Job Description

 We’re looking for a Senior Full-Stack Engineer (IC3) with strong backend expertise to join our team at Wise. You’ll be a technical expert who contributes significantly to large-scale impactful projects while owning the engineering excellence of your team. As a product engineer, you’ll not only build great technology but also deeply understand the “why” behind what we create.

What You’ll Do Technical Leadership & Delivery

• Own large-scale projects: Lead the technical roadmap and deliverables for significant, impactful initiatives (8+ engineering weeks)

• Design scalable systems: Build backend services and APIs with a long-term approach, using design patterns that enable easy iteration and scaling

• Full-stack contribution: Work across the entire stack with particular strength in backend technologies, ensuring seamless integration between frontend and backend systems

• Maintain system reliability: Take accountability for the availability, reliability, and security of the systems you build

• API-first design: Ensure all products are designed with strong, well-documented APIs that partners and internal teams can easily consume

Product & Strategic Impact

• Drive technical roadmap: Own and contribute to your team’s technical roadmap alongside product partners

• Product thinking: Provide strong feedback on product roadmaps, always able to articulate why something is being built, what customer problem it solves, and expected impact

• Technical debt management: Proactively address technical debt and plan work to keep it within risk appetite

• Cross-team collaboration: Promote collaboration across teams to minimize duplicate work and align everyone toward common goals

Mentorship & Team Excellence

• Mentor engineers: Coach and assist other engineers in your team and broader engineering guilds

• Own onboarding: Lead the onboarding process for new engineers joining your team

• Engineering practices: Ensure your team follows Wise’s engineering best practices (observability, security, database usage, testing, etc.)

What We’re Looking For Technical Expertise

• Backend mastery: Expert-level knowledge in backend technologies with up-to-date knowledge of your discipline

• Full-stack capabilities: Strong understanding of frontend technologies and ability to work across the entire stack

• Distributed systems: Solid understanding of distributed systems, microservices, and how to design them effectively

• System design: Experience designing and building scalable, maintainable systems with proper abstractions

Leadership & Collaboration

• Mentorship skills: Proven ability to coach and develop other engineers

• Cross-functional collaboration: Excellent communication skills across engineering, product, design, and other functions

• Ownership mindset: Embrace long-term ownership while building redundancy and knowledge sharing

• Cultural contributor: Exemplify Wise values and contribute