Software Engineer

Founding Full Stack Engineer

Salary: Up to £100k/year

Location: Hybrid – 3 days/week in Central London (Waterloo)

Help build the foundational product of a fast-moving startup transforming healthcare operations!

Your Role:

We’re hiring a Founding Full Stack Engineer to join an early-stage team at the intersection of healthcare, fintech, and AI. Working closely with the CTO, you’ll help shape the architecture, tech stack, and culture from the ground up. This is a hands-on role where you’ll ship meaningful features fast and influence everything from engineering practices to product direction.

What You’ll Be Doing:

• Building core features and infrastructure, prioritising performance, reliability, and security
• Contributing across the full stack from API design and backend architecture to polished UIs
• Working with Product and Ops teams to translate real-world problems into software
• Owning debugging and optimisation in production environments
• Establishing technical foundations and best practices for future hires to build on

(And if you don’t tick every box – that’s okay. We’d still love to hear from you.)

The Stack:

Their ideal tech stack includes:

React , Next.js , Java , Kotlin , PostgreSQL , and AWS

But they’re also open to engineers with strong experience in other modern stacks, including Python , Django , or Flask - as long as you're adaptable and comfortable working across systems.

What They’re Looking For:

• Experience working in an early-stage or fast-growing product team
• Proficiency in modern frontend and backend technologies
• Strong experience with SQL , particularly PostgreSQL
• Production-level problem solving, with an eye on speed and scalability
• High ownership mindset and comfort making technical decisions in ambiguous situations

How You Work:

• Clear, proactive communicator who works well across disciplines
• Comfortable working with urgency, but without cutting corners
• Prioritises high-impact work and thrives in a fast-paced, ever-changing environment
• Learns quickly, iterates fast, and values feedback and collaboration

Bonus Points:

• Experience with payments, embedded fintech, or conversational interfaces
• Exposure to LLMs, agentic AI, or intelligent automation
• Familiarity with CI/CD pipelines and dev workflow best practices in small teams

Why This Role?

• Shape the technical direction and culture of an early-stage team
• Collaborate with experienced founders who’ve scaled startups before
• Work on meaningful problems with potential for industry-wide impact
• Hybrid working (3 days/week) in a central London office
• Autonomy, ownership, and the chance to make your mark early

Interested? Let’s talk - email Thana@engagewithus.com or call 0117 450 7706