Staff Full Stack Engineer

pbThis position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Full Stack Engineer
- Sell Side Engine based in Switzerland. /b /ppThis is a highly hands-on Staff Engineer role focused on solving complex technical problems within a rapidly scaling energy technology environment.br/You will join a small, high-impact product squad responsible for rebuilding the systems that support renewable energy origination, contracting, onboarding, and growth.br/The role combines deep backend and systems engineering with the flexibility to contribute to frontend development when needed.br/You will make architecture-level decisions across integration-heavy systems, working with pricing, data, billing, and risk platforms.br/A major focus will be turning manual and error-prone commercial processes into scalable, automated products that can support new business categories.br/You will work with significant autonomy, operating within ambiguity and taking complex problems from definition through production delivery.br/This is an opportunity for an exceptional engineer to directly influence critical market infrastructure while helping build the technology behind a more transparent and efficient energy ecosystem. /ph3Accountabilities: /h3ulliOwn architecture-level decisions for complex, integration-heavy systems, clearly defining system boundaries, contracts, dependencies, and failure modes. /liliDesign and build the technical foundations connecting new-product initiatives with pricing, settlement, data, billing, and other core platforms. /liliTake commercially driven and sometimes ambiguous problems, define practical technical approaches, and turn them into shippable plans within the squad's strategic direction. /liliHelp develop and launch new product categories, contributing to the technical work required to bring new offerings from concept through production and qualified commercial pipeline. /liliAutomate and productise tendering, pricing, contracting, onboarding, and other manual workflows that currently limit scalability and create operational risk. /liliDesign deal-gating and risk-management tooling that enables the business to safely support new categories of commercial risk. /liliWork effectively across organizational boundaries, delivering integrations and technical outcomes that depend on teams you do not directly manage. /liliBuild high-quality software across backend services and, when appropriate, contribute to React and TypeScript frontend development. /liliWrite clean, maintainable, and well-tested code, participate actively in code reviews, and contribute to stronger engineering practices and documentation. /liliHelp measure and improve the reliability, scalability, and business impact of the systems you build. /li /ulh3Requirements: /h3ulliDeep technical expertise in backend engineering and systems design, with a proven track record of making architecture-level decisions for complex, integration-heavy systems. /liliStrong professional experience with Python and AWS serverless technologies, including Lambda, API Gateway, DynamoDB, and EventBridge. /liliSolid understanding of event-driven architectures and distributed systems. /liliFull Stack or Backend Engineering experience in a startup, scale-up, or fast-paced product environment, with ownership of complex projects from inception through delivery. /liliAbility to work effectively without a complete specification, turning an ambiguous problem into a practical, well-scoped, and shippable technical plan. /liliDemonstrated experience delivering projects where critical dependencies are owned by other teams, requiring strong collaboration and influence without direct authority. /liliStrong product mindset and ability to connect technical decisions to commercial outcomes and customer or business value. /liliComfortable working hands-on across the stack, with React and TypeScript experience considered a plus rather than a core requirement. /liliStrong engineering judgment, attention to quality, and ability to reason about scalability, reliability, system boundaries, and failure modes. /liliExcellent communication and collaboration skills, particularly when working across technical and organizational boundaries. /liliExperience mentoring engineers or setting technical direction is desirable but not required. /liliExperience in energy, fintech, or another regulated or high-stakes commercial environment is advantageous. /liliExposure to workflow orchestration, real-time pricing engines, or event-driven systems is a plus. /liliExperience creating new product lines or technical capabilities from scratch is highly desirable. /li /ulh3Benefits: /h3ulliCompetitive base salary of £104,000, or the equivalent in local currency. /liliCompensation benchmarked against role and level, with pay adjustments based on demonstrated evidence rather than a fixed annual review cycle. /liliStock options, providing employ