Senior Full-Stack Engineer - Trading API

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full-Stack Engineer - Trading API based in Switzerland.

Join a globally distributed engineering team building developer-focused infrastructure for modern financial services and digital <trading.As> part of the Trading API team, you will build end-to-end experiences spanning sophisticated frontend interfaces and high-performance backend financial systems.Your work will help power products used by millions of users and support trading activity across a broad range of financial <assets.You> will work across domains including payments, trading, market data, and account infrastructure while contributing to API and product development.The role combines hands-on engineering with architectural ownership, giving you the opportunity to shape scalable systems and elegant user <experiences.You> will collaborate closely with product, engineering, and other stakeholders while taking ownership of high-visibility projects from design through deployment.This is an ideal opportunity for a senior engineer who enjoys full-stack development, financial technology, and solving complex problems at significant scale.

Accountabilities

• Architect, design, implement, and maintain scalable software solutions across the frontend and backend stack.
• Develop high-quality product features and user experiences for Trading API customers, spanning trading dashboards and backend services.
• Work deeply with financial systems and infrastructure covering areas such as payments, trading, market data, and account management.
• Contribute to API design and the development of new capabilities across the broader product ecosystem.
• Build performant, intuitive, and visually polished frontend experiences using TypeScript, React, HTML, and modern CSS frameworks.
• Develop reliable backend services and components using Golang or another modern systems programming language.
• Translate stakeholder and customer requirements into complete, production-ready features.
• Own high-visibility projects throughout their lifecycle, from technical design and implementation through testing, deployment, and ongoing improvement.
• Collaborate with cross-functional teams to identify technical solutions that balance product requirements, scalability, performance, and maintainability.
• Mentor fellow engineers and contribute to technical direction, architectural decisions, and engineering best practices.
• Continuously improve the quality, performance, usability, and reliability of systems supporting financial products and services.

Requirements

• 5+ years of professional full-stack software development experience.
• Strong professional experience with Golang and TypeScript/React, with the ability to work effectively across both backend and frontend technologies.
• Proficiency in TypeScript and React, including experience creating intuitive, responsive, and performant user interfaces.
• Strong knowledge of HTML and modern CSS frameworks, particularly TailwindCSS or comparable technologies.
• Proficiency in at least one modern systems programming language such as Golang or C#.
• Solid experience with SQL and relational databases, preferably PostgreSQL.
• Strong understanding of REST APIs and API design best practices.
• Excellent communication and collaboration skills, with the ability to work effectively with technical and non-technical stakeholders.
• Demonstrated ability to gather, clarify, and translate stakeholder requirements into well-designed, fully implemented features.
• Strong attention to detail and appreciation for design quality, usability, and polished user experiences.
• Ability to take ownership of complex projects and drive them from initial design through successful deployment.
• Experience working with cloud platforms, preferably Google Cloud Platform, is a plus.
• Experience with Docker and Kubernetes is advantageous.
• Knowledge of financial markets or experience in fintech is a strong plus.
• Experience with algorithmic trading, whether professionally or through personal projects, is advantageous.
• Previous experience in a startup or rapidly growing technology environment is a plus.
• Experience working effectively in a fully remote environment is beneficial.
• Curious, accountable, empathetic, and comfortable taking initiative in a globally distributed team.

Benefits

• Competitive salary and stock options.
• Health benefits.
• $500 one-time home-office setup allowance for new hires.
• $150 monthly stipend provided through a company expense card.
• Fully remote working environment.
• Opportunity to work with a globally distributed team of engineers, traders, and financial technology professionals.
• Opportunity to build infrastructure and products supporting millions of users and substantial trading activity.
• High level of ownership and visibility across product development and technical strategy.
• Opportunity to work across trading, payments, market data, accounts, APIs, and other financial technology domains.
• Collaborative environment that values curiosity, empathy, accountability, and continuous improvement.
• Opportunity to contribute to developer-friendly APIs and modern financial infrastructure.