Full stack developer

About the role

We are looking for a highly capable senior full stack developer to drive the build and ongoing development of a core platform, taking hands-on ownership across front end, back end, APIs and cloud infrastructure.

The role is deeply technical and execution-focused, with a strong emphasis on Python and Node.js development on AWS. You will lead a small team of remote, part-time developers while remaining heavily hands-on, building features, shaping pipelines and ensuring steady forward momentum across the platform.

This is a builder-first role in an investor-backed environment where delivery matters. You will be expected to work to clear timelines, hit targets and take ownership for keeping the project and delivery pipelines moving forward. While the engagement starts as a contract, the intent is to find someone who can carry technical ownership and continuity, not deliver a short-term spike and leave.

Key responsibilities

• Lead the ongoing build and evolution of the platform across front end, back end and APIs
• Actively develop production code, with hands-on contribution forming the majority of the role
• Design, build and maintain back-end services using Python and Node.js
• Develop and integrate APIs and core application logic
• Design and implement payment workflows, including transaction processing, state management and error handling
• Integrate and operate third-party payment providers (for example card payments, wallets or other transaction services)
• Build, deploy and operate services on AWS, including managing environments and pipelines
• Contribute to front-end development and UI integration where required
• Integrate third-party services, including payments, data sources and AI APIs where needed
• Lead a small team of remote, part-time developers, providing technical direction and day-to-day guidance
• Define, structure and maintain backlogs, epics and priorities
• Plan and coordinate sprint cycles, ensuring execution against agreed goals and timelines
• Keep delivery moving at pace by unblocking issues and making pragmatic trade-offs
• Operate under commercial and investor expectations, taking ownership for delivery outcomes
• Communicate progress, risks and priorities clearly and directly
• Maintain appropriate standards of code quality, testing, documentation and version control

Effort split (indicative)

• 75−80% hands-on full stack development
  • Python and Node.js back-end development
  • API development and integration
  • Front-end contributions where needed
  • Building and maintaining AWS-based services and pipelines
• 10−15% backlog, sprint planning and coordination
  • Defining epics, stories and sprint scope
  • Sequencing work and coordinating execution across the team
• 5−10% technical decision-making and team guidance
  • Making pragmatic technical choices
  • Reviewing code and guiding other developers
  • Balancing speed with acceptable technical quality

The role remains heavily hands-on throughout.

Required skills and experience

• Strong, demonstrable expertise in Python and Node.js in production environments
• Solid experience developing and operating systems on AWS
• Proven experience as a full stack developer working across front end, back end and APIs
• Confidence designing and building scalable services and integrations
• Experience leading or coordinating the work of other developers in small teams
• Experience owning backlogs, epics and sprint execution
• Comfortable delivering under time pressure and commercial constraints
• Strong sense of ownership and accountability for outcomes
• Able to work independently in a fully remote environment
• Clear and direct communicator, particularly around progress and risk

Nice to have

• Proven experience building and maintaining payment workflows and integrations
• Experience in start-up or early-stage product environments
• Exposure to gaming, fintech or transaction-heavy platforms
• Familiarity with AI API integration (for example LLM-based services)
• Experience building CI/CD pipelines or infrastructure-as-code on AWS