Senior Fullstack Software Engineer

How we work

Why join Little Journey?

Requirements

• You're a full-lifecycle engineer; with the judgement and curiosity to work across the whole journey from problem to production.
• You're comfortable with ambiguity, open to other ways of think, work collaborative, and able to explain the trade-offs behind your decisions.
• We're particularly interested in people who have experienced high-quality engineering at scale or maturity and are excited by the opportunity to bring what they've learned into a smaller team — adapting the good practices rather than simply importing the process.
• You'll also have solid experience building and shipping production software, including:
• Fullstack development with TypeScript/JavaScript, React and NodeJS, building across frontend, APIs and backend services.
• Building and releasing mobile applications, ideally using Capacitor or similar cross-platform technologies.
• Building and operating applications in a modern cloud environment — we use Google Cloud Platform (GCP), Docker, Vercel and Sanity CMS.
• Working in environments where quality, traceability and responsible data handling matter — healthcare, fintech, life sciences or other regulated industries are particularly relevant.
• Working in agile, cross-functional product teams, collaborating with Product and Design to turn problems into well-shaped user stories with clear acceptance criteria, technical considerations, dependencies and edge cases.
• Experience with test automation and traceability, building confidence that what's been designed, built and released meets the intended requirements.

Benefits

• Up to 6% pension match (salary sacrifice)
• 28 days annual leave per year (plus public holidays)
• £500 annual training budget
• £200 home working budget (one-off)
• EMI share options
• Enhanced (family & parental) leave policies
• Interview Loop
• We want our interview loop to give you a good understanding of the role, the team and how we work, while giving us the opportunity to understand how you think and solve problems.
• Screening call — 30 minutes An introduction to Little Journey and the role, and a chance to understand what you’re looking for.
• Coding interview — 60 minutes A practical coding exercise focused on how you approach problems, write code and work through technical decisions.
• Hiring Manager interview — 45 minutes A deeper conversation about your experience, how you approach engineering and what you’re looking for in your next role.
• Systems design + panel — 90 minutes A systems design exercise focused on how you understand problems, design solutions and make technical trade-offs, followed by an opportunity to meet members of the team and ask questions. About Little Journey
• Little Journey was founded by Dr Chris Evans, a paediatric anaesthetist and researcher, and Sophie Copley, a human-centred product designer, with a shared ambition to improve how people are supported through complex experiences. What began by supporting children and families through healthcare has evolved into Trial Flow, our platform focused entirely on participant support in clinical trials.
• Our mission is to make patient-centric participation the foundation of better research. We believe better support leads to better participation, and better participation leads to better research. As clinical trials become more complex, Trial Flow helps participants, families and sites navigate what is being asked of them, reducing avoidable burden and supporting better adherence, retention and trial outcomes.
• Today, Little Journey is a Series A company with a team of around 30 to 40 people, working with pharmaceutical companies on clinical trials around the world. We care deeply about the people our work ultimately supports, and that shapes how we work together. We value honesty and integrity, trust people to take accountability, and make time to reflect, learn and improve.

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