Project Eleven
About Project Eleven Project Eleven is an applied lab of builders and technologists working at the intersection of quantum computing and cryptography. We build impactful solutions that push the digital-asset ecosystem to a more secure future. Our focus is post-quantum migration: upgrading wallets, identity, and settlement rails to quantum-safe primitives without breaking UX, composability, and developer workflows. Our mission is to future-proof digital assets and preserve self-sovereignty in a post-quantum world. We do that by building the canonical tooling and products teams can adopt: crypto-agile infrastructure, reference implementations, and integrations that fit real constraints like latency, cost, compatibility, key rotation, and recovery. We work with leading ecosystems to make this migration real through products we build, audits, testnets, and cutting edge research. The vision we are have is clear: a proven upgrade path, production-ready tooling and users retaining control of their assets and identity, before a cryptographically-relevant quantum computer exists. The role We're looking for a Research Engineer to join our growing R&D Engineering team. As a Research Engineer, you'll take part in cutting-edge research and development paving the way for products that protect digital assets and preserve self-sovereignty in a post-quantum world. This role is a full-time, fully remote position in Europe (GMT to GMT+2). What you'll be responsible for Research, design and build high-fidelity proof-of-concepts for upcoming features Serve as a bridge to the Product Engineering team, providing cryptographic guidance, code reviews, and troubleshooting for complex protocol-level issues Uphold rigorous security standards and best-practice cryptographic principles before they transition to production Own and maintain key R&D initiatives and drive community contributions Work closely with clients and partners, helping them to navigate and implement post-quantum migrations Monitor the evolving blockchain and post-quantum cryptography landscape, identifying emerging threats or new primitives for adoption Translate complex concepts into digestible technical blog posts, documentation, and whitepapers solidifying P11's thought leadership in the space What you bring Strong experience in Rust. You'll be expected to work on performance-critical research or protocol-level code. Strong proficiency in a similar systems programming language may also be acceptable Experience writing, testing, and deploying secure smart contracts in Solidity Experience building robust applications or tooling in TypeScript. You should be comfortable using TypeScript to model complex logic and interact with cryptographic libraries Demonstrable experience writing clean, secure code that was shipped to a production system in a Web3 company Deep understanding of cryptographic primitives (hashes, signatures, encryption) and their practical implementation/limitations Comprehensive understanding of EVM internals, cross-chain dynamics, and the broader modular/L2 ecosystem Demonstrated excellence in problem solving, e.g. hard problems solved in a company, high achievements in academic problem solving, hackathon wins Strong technical writing skills. The ability to explain "why it matters" to a non-technical audience and "how it works" to a technical one Public contributions to the blockchain ecosystem, e.g. blog posts, valuable forum engagement, valuable social media contributions, useful open source projects What we'd love to see Understanding of ERC-4337 smart wallet patterns e.g. EOA vs AA concepts, multisig basics, validation flows, bundlers/paymasters Experience with frontend development in React (or similar) Experience with post-quantum cryptography schemes Experience developing and maintaining protocols Experience with decentralised identity, DIDComm, encrypted messaging protocols Experience using AI to maximize work efficiency Experience with formal verification Equal Opportunity We are committed to equal employment opportunity and believe that diverse teams build better products. All qualified applicants will receive consideration without regard to any protected characteristic under applicable law.
About Project Eleven Project Eleven is an applied lab of builders and technologists working at the intersection of quantum computing and cryptography. We build impactful solutions that push the digital-asset ecosystem to a more secure future. Our focus is post-quantum migration: upgrading wallets, identity, and settlement rails to quantum-safe primitives without breaking UX, composability, and developer workflows. Our mission is to future-proof digital assets and preserve self-sovereignty in a post-quantum world. We do that by building the canonical tooling and products teams can adopt: crypto-agile infrastructure, reference implementations, and integrations that fit real constraints like latency, cost, compatibility, key rotation, and recovery. We work with leading ecosystems to make this migration real through products we build, audits, testnets, and cutting edge research. The vision we are have is clear: a proven upgrade path, production-ready tooling and users retaining control of their assets and identity, before a cryptographically-relevant quantum computer exists. The role We're looking for a Research Engineer to join our growing R&D Engineering team. As a Research Engineer, you'll take part in cutting-edge research and development paving the way for products that protect digital assets and preserve self-sovereignty in a post-quantum world. This role is a full-time, fully remote position in Europe (GMT to GMT+2). What you'll be responsible for Research, design and build high-fidelity proof-of-concepts for upcoming features Serve as a bridge to the Product Engineering team, providing cryptographic guidance, code reviews, and troubleshooting for complex protocol-level issues Uphold rigorous security standards and best-practice cryptographic principles before they transition to production Own and maintain key R&D initiatives and drive community contributions Work closely with clients and partners, helping them to navigate and implement post-quantum migrations Monitor the evolving blockchain and post-quantum cryptography landscape, identifying emerging threats or new primitives for adoption Translate complex concepts into digestible technical blog posts, documentation, and whitepapers solidifying P11's thought leadership in the space What you bring Strong experience in Rust. You'll be expected to work on performance-critical research or protocol-level code. Strong proficiency in a similar systems programming language may also be acceptable Experience writing, testing, and deploying secure smart contracts in Solidity Experience building robust applications or tooling in TypeScript. You should be comfortable using TypeScript to model complex logic and interact with cryptographic libraries Demonstrable experience writing clean, secure code that was shipped to a production system in a Web3 company Deep understanding of cryptographic primitives (hashes, signatures, encryption) and their practical implementation/limitations Comprehensive understanding of EVM internals, cross-chain dynamics, and the broader modular/L2 ecosystem Demonstrated excellence in problem solving, e.g. hard problems solved in a company, high achievements in academic problem solving, hackathon wins Strong technical writing skills. The ability to explain "why it matters" to a non-technical audience and "how it works" to a technical one Public contributions to the blockchain ecosystem, e.g. blog posts, valuable forum engagement, valuable social media contributions, useful open source projects What we'd love to see Understanding of ERC-4337 smart wallet patterns e.g. EOA vs AA concepts, multisig basics, validation flows, bundlers/paymasters Experience with frontend development in React (or similar) Experience with post-quantum cryptography schemes Experience developing and maintaining protocols Experience with decentralised identity, DIDComm, encrypted messaging protocols Experience using AI to maximize work efficiency Experience with formal verification Equal Opportunity We are committed to equal employment opportunity and believe that diverse teams build better products. All qualified applicants will receive consideration without regard to any protected characteristic under applicable law.
Applause IT Recruitment Ltd
Sales Development Representative (SDR) - SaaS Construction Technology Remote first with 2-3 days in London per month (full expenses paid including hotels for those living outside London where needed) SaaS Digital Construction B2B Sales 35,000 - 40,000 Basic + Bonus (OTE circa 50K) + Comprehensive Benefits Package. To suit candidate living in England / South Wales on main motorway / rail network. Suitable locations London and Southeast, Bristol and West, Birmingham and Wider Midlands, Manchester and Leeds in the North. Are you an ambitious Sales Development Representative looking to break into a high-growth SaaS environment? Do you want to play a key role in transforming how the construction industry delivers projects through digital innovation? A global construction technology provider is transforming how the UK and Irish construction sector builds - delivering smarter, faster, and more accurate project outcomes through cutting-edge digital solutions. As an SDR, you will be at the forefront of this transformation, driving new business conversations with contractors, developers, and infrastructure organisations. This is an opportunity to join a global technology leader, accelerate your sales career, and make a genuine impact in an industry undergoing digital transformation. The Role: Sales Development Representative (SDR) As an SDR, you will generate and qualify new business opportunities, build pipeline, and support the wider sales function. You will engage construction professionals in meaningful conversations around digital transformation, project efficiency, and data-driven decision making. Key Responsibilities Generate and qualify inbound and outbound sales opportunities within the construction and built environment sector. Identify target accounts and conduct structured discovery and qualification calls. Build, manage, and maintain a high-quality sale pipeline. Collaborate with Marketing to optimise lead generation campaigns and improve lead quality. Arrange pre-sales meetings and web-based product demonstrations with Product Specialists Maintain accurate CRM records and ensure smooth lead flow across the sales team. Conduct proactive follow-up and support sales administration where required. Stay informed on industry trends, competitor activity, and customer challenges. Demonstrate resilience, curiosity, and a strong hunter mindset in a high-activity sales environment. Attend the office 3-4 times per month for collaboration, training, and planning sessions. About You We are looking for a motivated, commercially aware sales professional who thrives in a target-driven environment. Essential Skills & Experience Experience in B2B sales, sales development, account management, or customer-facing roles Background within construction, SaaS, software, or technology sectors preferred Strong commercial awareness and understanding of customer workflows. Confident communicator in English across phone, email, and virtual meetings Excellent time management and organisational skills Self-driven, resilient, and comfortable with outbound prospecting Tech-savvy with the ability to quickly learn software solutions. Fluent English communication skills (C2 level) Desirable Experience selling construction software or digital construction solutions. What is on Offer? Structured onboarding and training programme Hybrid working model with flexible hours. Clear career progression pathways (national and international opportunities) Ongoing professional development and sales training - The team gather in London for 2-3 days per month. Employee benefits package including discounts and wellbeing support. Regular team events and collaborative working culture Opportunity to work within a global organisation driving sustainable digital transformation. Why Apply? This is more than just an SDR role - it is an opportunity to help modernise a multi-billion-pound industry through innovative technology. You will work alongside experienced sales, product, and marketing professionals while developing your own career in SaaS and enterprise sales. If you are ambitious, curious, and ready to build your career in technology sales within the construction sector, we'd love to hear from you.
Sales Development Representative (SDR) - SaaS Construction Technology Remote first with 2-3 days in London per month (full expenses paid including hotels for those living outside London where needed) SaaS Digital Construction B2B Sales 35,000 - 40,000 Basic + Bonus (OTE circa 50K) + Comprehensive Benefits Package. To suit candidate living in England / South Wales on main motorway / rail network. Suitable locations London and Southeast, Bristol and West, Birmingham and Wider Midlands, Manchester and Leeds in the North. Are you an ambitious Sales Development Representative looking to break into a high-growth SaaS environment? Do you want to play a key role in transforming how the construction industry delivers projects through digital innovation? A global construction technology provider is transforming how the UK and Irish construction sector builds - delivering smarter, faster, and more accurate project outcomes through cutting-edge digital solutions. As an SDR, you will be at the forefront of this transformation, driving new business conversations with contractors, developers, and infrastructure organisations. This is an opportunity to join a global technology leader, accelerate your sales career, and make a genuine impact in an industry undergoing digital transformation. The Role: Sales Development Representative (SDR) As an SDR, you will generate and qualify new business opportunities, build pipeline, and support the wider sales function. You will engage construction professionals in meaningful conversations around digital transformation, project efficiency, and data-driven decision making. Key Responsibilities Generate and qualify inbound and outbound sales opportunities within the construction and built environment sector. Identify target accounts and conduct structured discovery and qualification calls. Build, manage, and maintain a high-quality sale pipeline. Collaborate with Marketing to optimise lead generation campaigns and improve lead quality. Arrange pre-sales meetings and web-based product demonstrations with Product Specialists Maintain accurate CRM records and ensure smooth lead flow across the sales team. Conduct proactive follow-up and support sales administration where required. Stay informed on industry trends, competitor activity, and customer challenges. Demonstrate resilience, curiosity, and a strong hunter mindset in a high-activity sales environment. Attend the office 3-4 times per month for collaboration, training, and planning sessions. About You We are looking for a motivated, commercially aware sales professional who thrives in a target-driven environment. Essential Skills & Experience Experience in B2B sales, sales development, account management, or customer-facing roles Background within construction, SaaS, software, or technology sectors preferred Strong commercial awareness and understanding of customer workflows. Confident communicator in English across phone, email, and virtual meetings Excellent time management and organisational skills Self-driven, resilient, and comfortable with outbound prospecting Tech-savvy with the ability to quickly learn software solutions. Fluent English communication skills (C2 level) Desirable Experience selling construction software or digital construction solutions. What is on Offer? Structured onboarding and training programme Hybrid working model with flexible hours. Clear career progression pathways (national and international opportunities) Ongoing professional development and sales training - The team gather in London for 2-3 days per month. Employee benefits package including discounts and wellbeing support. Regular team events and collaborative working culture Opportunity to work within a global organisation driving sustainable digital transformation. Why Apply? This is more than just an SDR role - it is an opportunity to help modernise a multi-billion-pound industry through innovative technology. You will work alongside experienced sales, product, and marketing professionals while developing your own career in SaaS and enterprise sales. If you are ambitious, curious, and ready to build your career in technology sales within the construction sector, we'd love to hear from you.
Fanatics
Senior Staff Engineer Tech Lead- iCasino (UK - Remote) United Kingdom (Remote) Job Description As a Senior Staff Engineer Tech Lead at Fanatics, you are both a hands-on technical expert and a driving force behind the success of your team. You lead by influence-aligning engineers, product managers, designers, and backend partners to deliver exceptional customer-facing experiences with speed, quality, and purpose. You combine deep technical expertise with strong communication and relationship-building skills to guide the team through complex challenges, balance priorities, and maintain a high-performing, well-oiled product. You will operate at both strategic and implementation levels-owning, designing and evolving robust Backend-For-Frontend (BFF) solutions that power personalisation and content delivery across our platforms. You are responsible for the scalability, performance, and long-term technical direction of the BFF layer that enables our mobile and web client experiences, while fostering collaboration across organizations to move the business forward. Your leadership sets the tone for excellence, reliability, and teamwork. We own the iCasino experience across Fanatics platforms-including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. Each of these experiences is powered by Kotlin Multiplatform, and the BFF plays a critical role in delivering high-quality, consistent, and fast-paced innovation across all ecosystems. Our ambition is to build the top online casinos in the U.S-fun, dynamic, personalised, entertainment-focused products built with cutting-edge mobile technology. Responsibilities Lead the team in delivering high-impact customer-facing capabilities within the BFF, maintaining platform quality, guiding engineers through technical and execution decisions. Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery. Drive the design, development, testing, and deployment of high quality, stable and scalable BFF services in Java and Kotlin that power Android, iOS, and web experiences. Balance short-term delivery needs with long-term architectural vision, ensuring maintainable, performant, and reusable service patterns. Lead feature delivery end-to-end, from ideation through launch and iteration, ensuring quality and velocity across platforms. Set and uphold engineering standards, development principles, and best practices for API design, service architecture, and BFF patterns. Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison. Participate in sprint planning, architecture discussions, and design reviews, contributing technical insight and organizational leadership. Drive operational excellence-monitoring reliability, test coverage, and observability, and ensuring issues are resolved with ownership and urgency. Mentor engineers across multiple levels and platforms, modeling proactive communication, problem-solving, and accountability. Be open to occasional travel to Fanatics offices or events for planning, collaboration, and team-building activities. Required Qualifications More than 10 years of experience building and maintaining production distributed systems. Deep expertise in Java and/or Kotlin and Spring Boot, with experience designing scalable APIs and service layers. Experience building or evolving Backend-for-Frontend (BFF) or client-facing service architectures. Experience partnering closely with mobile or web client teams to deliver performant, user-centric APIs. Demonstrated ability to lead cross-functional efforts and drive execution across teams without direct authority. Excellent communication and collaboration skills-able to translate technical strategy into clear, actionable team direction. Proven success in Agile/SCRUM environments, balancing delivery speed with quality. A hands-on builder with a team-first mindset and a passion for coaching and elevating others. A Bachelor's degree, or professional certification, or a combination of education and experience Preferred Qualifications Production experience with Kotlin in backend systems, or demonstrated interest in adopting Kotlin where appropriate. Experience in sports, gaming, fintech, or other regulated, high-velocity environments. Passion for developer experience, performance optimization, and platform tooling. Strong focus on clean API design, service maintainability, and scalable architecture patterns. Not sure if you check every box? If you're excited about this role, Kotlin Multiplatform, and building best-in-class mobile experiences, we encourage you to apply-even if you don't meet every single qualification. We value passion, curiosity, and a growth mindset, and we believe great engineers come from diverse backgrounds and paths. Please note, you do need to be living in the UK for this position and we do NOT offer sponsorship. About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally. About the Team Launched in 2021, Fanatics Betting and Gaming is the online and retail sports betting subsidiary of Fanatics, a global digital sports platform. The Fanatics Sportsbook is available to 95% of the addressable online sports bettor market in the U.S. Fanatics Casino is currently available online in Michigan, New Jersey, Pennsylvania and West Virginia. Fanatics Betting and Gaming operates twenty-two retail sports betting locations, including the only sportsbook inside an NFL stadium at Northwest Stadium. Fanatics Betting and Gaming is headquartered in New York with offices in Denver, Leeds and Dublin. Job Info Posting Date 03/03/2026, 09:03 PM Locations Richmond House, Leeds, LS16 6QY, GB (Remote)
Senior Staff Engineer Tech Lead- iCasino (UK - Remote) United Kingdom (Remote) Job Description As a Senior Staff Engineer Tech Lead at Fanatics, you are both a hands-on technical expert and a driving force behind the success of your team. You lead by influence-aligning engineers, product managers, designers, and backend partners to deliver exceptional customer-facing experiences with speed, quality, and purpose. You combine deep technical expertise with strong communication and relationship-building skills to guide the team through complex challenges, balance priorities, and maintain a high-performing, well-oiled product. You will operate at both strategic and implementation levels-owning, designing and evolving robust Backend-For-Frontend (BFF) solutions that power personalisation and content delivery across our platforms. You are responsible for the scalability, performance, and long-term technical direction of the BFF layer that enables our mobile and web client experiences, while fostering collaboration across organizations to move the business forward. Your leadership sets the tone for excellence, reliability, and teamwork. We own the iCasino experience across Fanatics platforms-including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. Each of these experiences is powered by Kotlin Multiplatform, and the BFF plays a critical role in delivering high-quality, consistent, and fast-paced innovation across all ecosystems. Our ambition is to build the top online casinos in the U.S-fun, dynamic, personalised, entertainment-focused products built with cutting-edge mobile technology. Responsibilities Lead the team in delivering high-impact customer-facing capabilities within the BFF, maintaining platform quality, guiding engineers through technical and execution decisions. Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery. Drive the design, development, testing, and deployment of high quality, stable and scalable BFF services in Java and Kotlin that power Android, iOS, and web experiences. Balance short-term delivery needs with long-term architectural vision, ensuring maintainable, performant, and reusable service patterns. Lead feature delivery end-to-end, from ideation through launch and iteration, ensuring quality and velocity across platforms. Set and uphold engineering standards, development principles, and best practices for API design, service architecture, and BFF patterns. Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison. Participate in sprint planning, architecture discussions, and design reviews, contributing technical insight and organizational leadership. Drive operational excellence-monitoring reliability, test coverage, and observability, and ensuring issues are resolved with ownership and urgency. Mentor engineers across multiple levels and platforms, modeling proactive communication, problem-solving, and accountability. Be open to occasional travel to Fanatics offices or events for planning, collaboration, and team-building activities. Required Qualifications More than 10 years of experience building and maintaining production distributed systems. Deep expertise in Java and/or Kotlin and Spring Boot, with experience designing scalable APIs and service layers. Experience building or evolving Backend-for-Frontend (BFF) or client-facing service architectures. Experience partnering closely with mobile or web client teams to deliver performant, user-centric APIs. Demonstrated ability to lead cross-functional efforts and drive execution across teams without direct authority. Excellent communication and collaboration skills-able to translate technical strategy into clear, actionable team direction. Proven success in Agile/SCRUM environments, balancing delivery speed with quality. A hands-on builder with a team-first mindset and a passion for coaching and elevating others. A Bachelor's degree, or professional certification, or a combination of education and experience Preferred Qualifications Production experience with Kotlin in backend systems, or demonstrated interest in adopting Kotlin where appropriate. Experience in sports, gaming, fintech, or other regulated, high-velocity environments. Passion for developer experience, performance optimization, and platform tooling. Strong focus on clean API design, service maintainability, and scalable architecture patterns. Not sure if you check every box? If you're excited about this role, Kotlin Multiplatform, and building best-in-class mobile experiences, we encourage you to apply-even if you don't meet every single qualification. We value passion, curiosity, and a growth mindset, and we believe great engineers come from diverse backgrounds and paths. Please note, you do need to be living in the UK for this position and we do NOT offer sponsorship. About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally. About the Team Launched in 2021, Fanatics Betting and Gaming is the online and retail sports betting subsidiary of Fanatics, a global digital sports platform. The Fanatics Sportsbook is available to 95% of the addressable online sports bettor market in the U.S. Fanatics Casino is currently available online in Michigan, New Jersey, Pennsylvania and West Virginia. Fanatics Betting and Gaming operates twenty-two retail sports betting locations, including the only sportsbook inside an NFL stadium at Northwest Stadium. Fanatics Betting and Gaming is headquartered in New York with offices in Denver, Leeds and Dublin. Job Info Posting Date 03/03/2026, 09:03 PM Locations Richmond House, Leeds, LS16 6QY, GB (Remote)
