Little Journey
HealthTech
SeniorFullstackEngineer
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“Senior Fullstack Engineer at Little Journey. Skills: Fullstack development, Product development, System design, Scalable architecture, Reliability, Maintainability, Operational quality. Deliver features end-to-end: definition, implementation, testing, deployment, and monitoring. Work closely with Product and Design during the definition phase to shape problems, explore options, and design practical solutions before implementation with clear documentation for technical design & decisions”
What You'll Achieve.
Build reliable, scalable products and services; Improve care efficiency, compliance and patient experience; Alleviate the burdens faced by trial participants and their families
Industry & Context.
Ability to reason through system design, trade-offs, data flows, APIs, user journeys, and operational considerations; Break down ambiguous product problems into clear technical approaches, risks, assumptions, and implementation paths; Structured thinking; Assess trade-offs
Cannot sponsor visas to work in the UK
What They're Looking For.
Must Have
experience building production software systems in modern JavaScript/TypeScript environments, Experience in frontend/mobile engineering using React and related technologies, Experience in backend/platform engineering building APIs and services in production environments, Ability to reason through system design, trade-offs, data flows, APIs, user journeys, and operational considerations, Experience contributing to technical discovery, solution design, and story shaping with Product and Design, Ability to communicate proposed solutions clearly in working sessions, written design notes, or lightweight technical documentation, understanding of API design, frontendackend integration, and scalable application architecture, Experience working in agile product teams with collaborative story refinement and iterative delivery, Experience implementing automated testing strategies including unit, integration, and acceptance testing, Confidence debugging production issues and learning from incidents, Experience writing clean, maintainable, and testable code, Good communication skills and ability to work collaboratively within cross-functional teams, React, TypeScript, NodeJS, API and database schema design, CI/CD tooling and GitHub workflows, Automated testing frameworks
Nice to Have
Experience with healthcare technology or regulated environments, Experience with Sanity. io (or other headless CMS platforms), Experience with mobile app release and operational processes, Docker, GCP serverless environments, Capacitor (or similar mobile frameworks)
What You'll Do.
Deliver features end-to-end: definition
Work closely with Product and Design during the definition phase to shape problems
and design practical solutions before implementation with clear documentation for technical design & decisions
Break down ambiguous product problems into clear technical approaches
and implementation paths
Contribute to technical discovery
produce lightweight architecture/design documents
and story shaping before delivery begins
Refine stories collaboratively with the squad
helping break work down into clear deliverable subtasks and technical milestones
Build and maintain backend services and APIs that support core product workflows
scalable APIs and data access patterns for mobile and web applications
Implement and maintain automated testing including acceptance tests
and integration tests
Ensure applications and services are observable
and safe to operate in production
Contribute to CI/CD pipelines
and operational improvements
Participate in code reviews
and continuous improvement
and well-tested code aligned to engineering standards
How You'll Work.
Team & Collaboration
Work in a cross-functional and autonomous squad; Collaborate with Product and Design; Collaborative story refinement; Work effectively across Product, Design and Engineering; Communicate clearly with both technical and non-technical stakeholders
Communication Scope
Ability to communicate proposed solutions clearly in working sessions, written design notes, or lightweight technical documentation; Good communication skills; Communicate clearly with both technical and non-technical stakeholders
Process & Methodology
Story shaping, Breaking down work into clear deliverable subtasks and technical milestones
Full Job Description
We’re at an exciting stage in our growth as a digital HealthTech company, with increasing traction across clinical trials and life sciences. Over the past year, we’ve invested significantly in our application, data, and infrastructure to support a scalable, reliable, and secure platform for the next phase of growth. **About the role ** We’re looking for a Mid/Senior Fullstack Engineer to join our Product Engineering team and help build reliable, scalable products and services that power our health-tech platform. You’ll work in a cross-functional and autonomous squad that owns meaningful product areas end-to-end, from understanding user and business problems, exploring solution options, shaping technical approaches with Product and Design, through delivery, to operating what you build in production. This role is not just about implementation. We’re looking for an engineer who can contribute meaningfully during the definition phase: clarifying requirements, identifying risks, modelling systems, making trade-offs, and designing practical solutions before work is broken down into stories or code is written. This role is suited to someone who enjoys building product experiences across the stack with a thoughtful approach to usability, reliability, maintainability, and operational quality. We do not expect equal strength across frontend, backend, mobile, and platform engineering. We’re more interested in strong fundamentals, good judgement, collaboration, and product thinking. Our technology stack and tooling include: React, Capacitor, NodeJS, GCP, TypeScript, Docker, BigQuery, Sanity CMS, GitHub, Vercel, and Bugsnag. You will report to the Engineering Manager within your product squad and be part of our broader engineering team of about 10. This is a full-time role, either hybrid (Leeds) or fully remote in the UK. We cannot sponsor visas to work in the UK. **What you’ll do ** * Deliver features end-to-end: definition, implementation, testing, deployment, and monitoring *
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