Full Stack Lead Engineer

These partnerships provide us with the necessary provisions to propel our business to new heights.

Modulr values

• Building the extraordinary; going that extra mile.
• Owning the opportunity; be passionate and proud of the time you invest.
• Move at pace; reach goals faster whilst supported on your career journey.
• Achieve it together, working collaboratively and being a Modulite.

The Role The Full Stack Lead Engineer is a vital role within Modulr, where you will be responsible for building an autonomous, high performing engineering squad to foster an environment where decisions are delegated, made and communicated effectively.

You will drive technical strategy with a strong emphasis on Python and FastAPI backend development while remaining deeply hands-on with core development.

The role is a blend of hands-on Python development, technical leadership, mentoring, and operational excellence.

You will lead the architecture and implementation of robust, scalable backend systems using FastAPI, cloud infrastructure on AWS, and coordinate full-stack solutions with frontend teams.

Specific duties

• Lead a squad of software engineers, driving technical excellence through code reviews, architectural guidance, pair programming, and mentoring with strong emphasis on Python and FastAPI best practices.
• Technically efficient to write production-quality Python code, designing high-performance REST APIs, managing databases, async operations, and establishing coding standards.
• Own backend architecture decisions and lead the design of scalable, robust systems using Python, relational databases (PostgreSQL/MySQL), caching layers, and message queues.
• Lead technical strategy for AWS cloud deployments, ensuring security, reliability, scalability, and operational excellence.
• Mentor team members to develop deep full stack expertise for both backend & frontend through 1-2-1s, code reviews, and pair programming, fostering their technical growth and career progression.
• Plan squad deliverables and delegate responsibilities clearly, ensuring the team has well-defined goals, unblocked paths to success, and regular progress tracking.
• Collaborate with Frontend, DevOps, and Product teams to deliver integrated solutions, ensuring seamless API integration between backend and frontend.
• Drive agile practices and conduct productive ceremonies (stand-ups, sprint planning, reviews, retros), promoting continuous improvement and team autonomy.
• Drive hiring and recruitment, conducting technical interviews, assessments, and candidate evaluations while representing Modulr's engineering culture and values.
• Report on squad progress, outcomes, and technical achievements to leadership; share knowledge and best practices across the broader Engineering organisation.