Jack & Jill/External ATS

Junior Customer Support Engineer Company Description: Fast-growing AI software startup Job Description: You will bridge the gap between customers and the core development team by implementing feature requests, debugging code, and managing deployments. This role offers the opportunity to work directly with users on Slack and WhatsApp, providing rapid technical solutions while maintaining a high-quality Node.js and React codebase using AI-assisted tools. Location: London, UK Why this role is remarkable: Transition into a high-growth environment where your code changes directly impact customer success and product adoption daily. Join a well-funded venture-backed startup supported by top-tier VCs in the rapidly evolving AI productivity space. Master cutting-edge development workflows using AI-assisted coding tools like Cursor and Cloud Code within a modern Firebase stack. What you will do: Debug and implement small-to-medium feature iterations in Node.js and React based on direct customer feedback. Own the customer onboarding process, including initial deployment calls and implementing specific configurations directly in the code. Manage technical support queries through real-time communication channels while maintaining robust git workflows and documentation. The ideal candidate: Possesses 2-3 years of software development experience or a relevant Master's degree with a focus on full-stack development. Demonstrates proficiency with AI-assisted coding tools and comfort navigating complex logging platforms for independent debugging. Exhibits a strong problem-solving mindset with the communication skills necessary to handle high-touch customer implementation phases.

A leading AI-driven recruitment service is seeking a Forward Deployed Engineer in London, UK, to bridge the gap between engineering and customers in high-profile financial institutions. The role includes leading pilot deployments, building custom workflows, and translating insights into product requirements. The ideal candidate has 3+ years in software engineering with skills in Node.js, React, and TypeScript, and offers a competitive salary between £80K and £110K alongside equity opportunities and generous benefits.

Full-stack Engineer Salary: £90K - £120K + Equity Company Description: Fast-growing healthcare AI startup Job Description Join a mission-driven team developing clinical AI tools that automate documentation and eliminate human error in medicine. You will build user-facing features, partner integrations, and scalable infrastructure using TypeScript and Python. This role offers the unique opportunity to ship high-impact software directly to clinicians and paramedics across major healthcare organisations. Location London, UK Why this role is remarkable Rare chance to build AI technology that genuinely transforms patient care and saves lives. Work with a high-performing team using a modern stack including GCP, GKE, and self-hosted ML models. Unique 9-day fortnight policy (every other Friday off) supporting a sustainable, high-impact culture. What you will do Build and maintain user-facing features and SDKs that empower clinicians and healthcare partners. Scale production infrastructure using Kubernetes, Terraform, and GitOps to ensure system reliability. Collaborate directly with end-users to translate clinical needs into elegant, production-ready technical solutions. The ideal candidate 5+ years of full-stack experience with React/TypeScript and Node.js or Python. Strong product instincts with experience building integrations in complex, regulated domains. Proficiency with modern DevOps practices including Kubernetes, IaC, and microservice architectures.

Senior Staff Mobile Engineer Company Description Market-leading health-tech platform Job Description You will be the foundational technical leader responsible for designing, building, and launching high-performance consumer mobile applications across iOS and Android. This role bridges e-commerce and wellness intelligence, requiring deep React Native expertise to create a world-class ecosystem. You will translate complex product requirements into elegant features that drive global health engagement. Location London, UK Why this role is remarkable Lead the architecture of a category-defining mobile application from the ground up for a high-revenue consumer platform. Join a mission-led, rapidly scaling business at the forefront of AI-driven wellbeing and personalized health technology. Influence the long-term technical roadmap and international expansion strategy alongside a high-caliber engineering leadership team. What you will do Lead the technical design and delivery of cross-platform mobile applications using React Native and native Swift/Kotlin. Establish scalable architectural patterns for state management, networking, and component reusability across the mobile stack. Manage the end-to-end CI/CD pipeline, including automated testing, performance monitoring, and App Store deployments. The ideal candidate 5+ years of experience deploying high-scale consumer-facing mobile applications to both Apple and Google stores. Expert proficiency in React Native with the ability to bridge native modules and optimize hybrid performance. Strong background in product-focused delivery, collaborating with UI/UX teams to iterate on engagement-driving features.

iOS Engineer Salary: £50,000 - £65,000 + Equity Company Description: Fast-growing fintech startup Job Description You will join a talented team dedicated to building the next generation of mobile applications for a high-growth fintech platform. As an iOS specialist, you will design, build, and ship high-quality features while helping steer the technical roadmap. This role offers the chance to make saving effortless for millions of users globally. Location: Remote, UK Why this role is remarkable: Impactful mission to build a future-facing investment super app for millions of users. Well-funded environment with a discretionary performance bonus and early Friday finishes. Comprehensive benefits including private medical insurance, training budgets, and health credits. What you will do: Design and ship high-quality features for the iOS application using Swift and SwiftUI. Collaborate with cross-functional Agile teams to identify process and product improvements. Contribute to the product roadmap while ensuring code is testable and maintainable. The ideal candidate: Proven experience building and shipping iOS applications currently available on the App Store. Deep technical knowledge of Swift, SwiftUI, and modern frameworks like Swift Package Manager. Strong understanding of the full mobile development lifecycle and modular application architecture.

AI Engineer High-growth consumer fintech platform Job Description As a hands on AI Engineer in the Internal Automation team, you will build AI powered tools and automated workflows to supercharge efficiency across finance, compliance, and product departments. You will own the end to end lifecycle of integrations and LLM based solutions, shipping high impact software that eliminates manual friction and provides immediate value to colleagues. Location London, UK Why this role is remarkable Ship AI integrations on Monday and see them saving teams hours of manual work by Friday, offering immediate and visible impact. Work at the frontier of AI tooling, experimenting with LLMs, agentic workflows, and the Model Context Protocol (MCP) in a production environment. Join a small, high leverage team within a well funded fintech where you have full ownership from problem discovery through to implementation. What you will do Build and maintain knowledge base pipelines and connectors for systems like Slack, Snowflake, and Jira to power internal AI tooling. Create templates, guardrails, and building blocks that enable non engineers to safely build their own AI powered data sources and workflows. Partner with the PM and Engineering Lead to identify high leverage automation opportunities and iterate quickly based on adoption metrics. The ideal candidate 4+ years of software engineering experience with strong full stack proficiency in Python or TypeScript and containerised deployments via Kubernetes. Proven track record of shipping commercial AI tooling and a deep comfort level with LLMs, embeddings, and modern AI application patterns. A self starter mindset motivated by tangible impact, with the ability to design, build, and monitor solutions from the ground up. Next steps Visit our website. Click 'Talk to Jack'. Talk to Jack so he can understand your experience and ambitions. Jack will make sure Jill considers you for this role. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. If not, Jack will find you excellent alternatives. All for free.

Biosecurity Engineer Company Description: Fast growing biodefense infrastructure startup Job Description: You will lead the development of near continuous biosurveillance infrastructure designed to protect global health. This role involves building automated sample preparation workflows, integrating microfluidic subsystems into deployable devices, and driving end to end product development. You will iterate rapidly to create category defining technology that bridges the gap between biological research and field ready hardware solutions. Location: Remote (UK) Why this role is remarkable Opportunity to build world first autonomous biosurveillance hardware that directly impacts global health security. Join a mission driven team backed by top tier VCs in a fast paced, high stakes engineering environment. Deep ownership over the full hardware lifecycle, from technical research to deploying units for early customer pilots. What you will do Develop and automate complex sample preparation workflows, moving from raw biological samples to molecular diagnostics. Design and integrate microfluidic and airflow subsystems into field ready devices while managing biological contamination controls. Drive technical strategy and system architecture while collaborating on early stage hardware testing and engineering team growth. The ideal candidate Holds a strong background in molecular biology with specific expertise in DNA purification and diagnostic techniques. Proven experience developing microfluidic systems, bioaerosol sampling techniques, or autonomous environmental monitoring hardware. Thrive in zero to one environments, ideally with experience in early stage startups or as a former founder.

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Lead Growth Engineer Salary: £140K - £250K + Equity Company Description: Fast-growing AI productivity startup Job Description: You will lead product-led growth by owning the strategy and execution of growth loops. Working independently without PMs, you'll leverage a modern TypeScript stack to build experiments across onboarding and monetization journeys. This high-intensity role offers the chance to scale a top-ranked AI application toward its goal of $100M ARR. Location: London, UK Why this role is remarkable: Join a company ranked among the top global AI applications based on real startup spending data. Exceptional growth trajectory, scaling from $1M to $30M ARR in a single year with a lean technical team. Total ownership of growth strategy and implementation without the bureaucracy of product managers. What you will do: Autonomously design and implement experiments to improve viral loops and product-led growth mechanics. Analyze qualitative and quantitative data from Metabase and PostHog to prioritize high-impact backlogs. Build and optimize full-stack features using a serverless TypeScript, React, and Firebase architecture. The ideal candidate: Proficient in TypeScript and React with the ability to function as a high-velocity full-stack engineer. Proven track record in growth engineering, including optimizing customer journeys and revenue operations infrastructure. Strong background at early-stage tech companies or as a founder with a deep interest in AI agents. Next steps Visit our website. Click 'Talk to Jack'. Talk to Jack so he can understand your experience and ambitions. Jack will make sure Jill (the AI agent working for the company) considers you for this role. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. If not, Jack will find you excellent alternatives. All for free. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

Forward Deployed Engineer This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Salary: £80K - £110K + 0.30% - 0.50% Equity Company Description: AI-driven financial compliance startup Job Description: You will bridge the gap between engineering and customers, leading end-to-end pilot deployments for high-profile financial institutions. By building custom workflows and integrations, you will solve critical compliance pain points and translate field insights into product requirements, directly influencing the roadmap of a platform automating high-stakes operational review tasks. Location: London, UK Why this role is remarkable: Significant ownership and influence over product direction at an early-stage, fast-growing startup. Work directly with leading fintechs and banks on mission-critical financial crime and intelligence problems. Generous benefits including visa sponsorship, performance equity refreshes, and four weeks of work-from-anywhere annually. What you will do: Lead customer deployments from first engagement through implementation, launch, and post-go-live iteration. Build and rapidly ship custom workflows, configurations, and integrations directly within customer environments. Partner with leadership to synthesize customer learnings into actionable insights for the long-term platform strategy. The ideal candidate: 3+ years of experience in software or forward-deployed engineering, ideally in customer-facing environments. Strong fundamentals in Node.js, React, and TypeScript with the ability to build production-grade data pipelines. Exceptional problem-framing skills to translate messy, real-world operational pain points into structured technical solutions. Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. Next steps Visit our website. Click 'Talk to Jack'. Talk to Jack so he can understand your experience and ambitions. Jack will make sure Jill (the AI agent working for the company) considers you for this role. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. If not, Jack will find you excellent alternatives. All for free. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

A hospitality tech company is seeking an Engineering Team Lead to drive technical direction and foster high performance within an engineering squad. This role is fully remote and requires proven experience in technical leadership, mentoring, and product delivery. The ideal candidate will leverage technologies such as Python, React, and AWS to build advanced decision-support tools and influence product strategy. Join a scaling organization and contribute to impactful projects that optimize operations for multi-site operators.

Engineering Team Lead Company Description: Fast-growing hospitality tech SaaS Job Description: You will lead a high-impact engineering squad focused on building sophisticated forecasting and decision-support tools. This hands-on leadership role involves balancing technical architecture with people management to deliver intelligent features that help operators optimize complex daily operations. You'll work across a modern stack to drive predictive excellence and operational automation at scale. Location: Remote (UK) Why this role is remarkable: Lead the technical direction of a business-critical insights layer that uses AI and machine learning to solve real-world operational challenges. Join a well-funded, scaling organization backed by top-tier VCs during a high-growth phase with significant technical ownership. Influence product strategy by partnering directly with Data and Design teams to build tools used daily by hundreds of multi-site operators. What you will do: Lead a squad of engineers by setting technical direction, reviewing code, and fostering a high-performing engineering culture. Own the end-to-end delivery of predictive features, ensuring statistical accuracy and a seamless user experience for complex data products. Design and evolve scalable systems using technologies like Python, React, and AWS to support high volumes of data and traffic. The ideal candidate: Proven experience in hands-on technical leadership with the ability to work across the full stack and mentor junior engineers. Strong product instincts and a track record of delivering commercial outcomes within cross-functional, agile product squads. Deep understanding of systems thinking and the ability to make pragmatic trade-offs between rapid delivery and long-term maintainability. Next steps Step 1. Visit our website. Step 2. Click 'Talk to Jack'. Step 3. Talk to Jack so he can understand your experience and ambitions. Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step 6. If not, Jack will find you excellent alternatives. All for free.

Company Description Fast-growing industrial AI startup Job Description You will lead global talent strategy and people operations for a high-growth AI company deploying real-world technology in heavy industries. This role involves sourcing elite technical talent, owning the full cycle recruitment process, and designing high-impact onboarding experiences. You will act as a primary gatekeeper for quality, ensuring a high signal, low friction hiring culture. Location Austin, USA or London, UK Why this role is remarkable Influence the growth of a world class engineering organization that moves at high speed and high trust. Join a well funded startup on track to increase bookings 5x YoY with significant market expansion potential. Work directly with founders to shape the culture and compensation strategy of a mission critical AI platform. What you will do Source specialized talent including AI researchers and Forward Deployed Engineers from non obvious talent pools. Manage the end to end recruitment process to ensure high signal hiring with minimal friction for candidates. Design and lead people operations, including global compensation benchmarking, performance management, and organizational growth. The ideal candidate Proven track record of hiring exceptional technical talent at high bar, early stage startups or research labs. Deep understanding of technical roles and what world class engineers value in a high performance environment. Entrepreneurial mindset with the ability to build elite teams from scratch without a pre defined playbook. Next steps Step 1. Visit our website. Step 2. Click "Talk to Jack". Step 3. Talk to Jack so he can understand your experience and ambitions. Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step 6. If not, Jack will find you excellent alternatives. All for free.

A fast-growing AI startup in the UK is looking for a leader to drive their global talent strategy and manage people operations. The ideal candidate will source specialized talent and oversee the recruitment process, ensuring a high-quality hiring culture. With a focus on early-stage startups, this role requires an entrepreneurial mindset to build elite teams from scratch. A unique opportunity to influence the growth of a high-performance engineering organization awaits.

Overview Head of Design at a High-growth AI creator economy platform. Location: London, UK. Job Description: As the Head of Design, you will lead the end-to-end design vision for a global platform scaling past $100M ARR. You will elevate the product UI, ship complex AI-powered features, and build a world-class design organization. This is a high-impact leadership role blending strategic vision with hands-on execution. Responsibilities Own and execute the design strategy across all product surfaces while rolling out a scalable, world-class design system. Refine high-impact UX flows, including creator activation and checkout experiences, to drive core business KPIs. Build, mentor, and scale a high-performing design team while remaining hands-on with the most critical product initiatives. Qualifications Exceptional design leader with deep mastery across visual, interaction, and UX design in fast-moving environments. Proven track record of connecting design decisions to measurable business impact and scaling high-performing teams. Comfortable with ambiguity and energized by building at the intersection of AI-native tooling and sophisticated product design. Company & Location Company: High-growth AI creator economy platform Location: London, UK Next steps Visit our website Click "Talk to Jack" Talk to Jack to share your experience and ambitions Jack will consider you for this role If Jill thinks you are a great fit, the client will meet you If not, Jack will propose excellent alternatives

A dynamic technology company in London is looking for a Head of Design to lead the design vision for their AI-powered platform. In this high-impact leadership position, you will be responsible for executing a user-centric design strategy, refining critical UX flows, and building a top-notch design team. Candidates should have extensive experience in visual, interaction, and UX design, and the capacity to connect design decisions to business impact. This role blends strategic leadership with hands-on execution, ideal for innovative design professionals.