{"id":1646144,"url":"https://alion.io/job/wise-senior-software-engineer-wise-platform-api-experience","title":"Senior Software Engineer - Wise Platform - API Experience","company":{"id":3856,"name":"Wise","domain":"wise.com","url":"https://alion.io/company/wise","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":31,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":22,"computed_at":"2026-10-03T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":87500,"max":111000,"currency":"GBP","period":"year","gross":null,"usd_annual":146892},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"API Gateway","optional":false},{"name":"Java","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"Swagger","optional":false}],"status":"live","first_seen_at":"2026-10-01T08:04:37Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-03T23:52:03Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About Wise & Wise Platform\nWise is a global technology company building the best way to move and manage the world’s money: min fees, max ease, full speed. With over 13 million customers and growing fast, we are building an entirely new network for the world's money.\nWise Platform enables banks, software companies, and large enterprises to leverage Wise's global infrastructure. Through our public APIs and backend infrastructure, our partners can offer their customers world-class international payment products. We are a cross-functional, global team spanning London, New York, Singapore, Tallinn, and beyond.\n About the API Experience Team\nThe API Experience team builds and maintains some of the most critical systems at Wise: the public API gateway, authentication/authorization systems (OAuth2), SDKs, and developer infrastructure used by our partners and internal teams.\nOur goal is to set the gold standard for intuitive, secure, and enterprise-ready financial APIs. You will solve complex challenges around scaling microservices across our network of 700+ microservices, optimising developer experience for global banks, ensuring financial-grade security, and enabling seamless integration at scale.\nWhat You Will Be Doing\nDesign & Architecture: Architect, build, and maintain highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture.\n\nAPI Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer-friendly tools, SDKs, and reference implementations to reduce integration complexity for major partners.\n\nTechnical Leadership & Mentorship: Champion engineering best practices, conduct code reviews, participate in domain modeling (DDD), and mentor junior engineers across the team.\n\nCross-Functional Collaboration: Partner closely with Product Managers, Implementation Managers, Solutions Engineers, and partner development teams to define features, shape technical solutions, and influence product strategy.\n\nCross-Organizational Impact: Work across frontend and infrastructure stacks, helping decentralized engineering teams across Wise align with API standards and architecture patterns.\n\nGlobal Travel: Collaborate directly with engineering hubs across the globe, including travel to our Tallinn office.\n\nWhat You Need to Succeed\nPublic API Experience: Proven track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2).\n\nCore Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices.\n\nDistributed Systems & Data: Hands-on experience with event-driven architecture (Kafka or similar messaging systems) and relational database design/optimization (PostgreSQL, MySQL).\n\nArchitectural Knowledge: Proficiency in domain-driven design (DDD), microservices patterns, and building for high availability and low latency.\n\nProduct Mindset: A customer-centric approach to engineering-balancing technical excellence with business context, user experience, and cost efficiency.\n\nCommunication & Collaboration: Ability to convey complex technical concepts to non-technical stakeholders, collaborate across business units, and adapt to feedback.\n\nNice to Have\nExperience with financial-grade security standards, compliance requirements, or international payment systems (FX, funding, settlement, interbank networks).\n\nFamiliarity with frontend frameworks or infrastructure/gateway tooling.\n\nExperience maintaining open-source developer libraries, SDKs, or developer portals.\n\nWe are currently only considering local candidates as relocation support is not provided. For local candidates we are able to support transfer of visa sponsorship\n Interested? Find out more:\nHow we work - a practical guide\n\nDEI @ Wise\n\nWise Tech Stack (2025 update)\n\nOur Engineering career map\n\nScaling our Infrastructure; how we make it work\n\nWise Engineering -https://medium.com/wise-engineering\n\nWhat do we offer:\nStarting salary: 87500 - 111000 GBP + RSUs\n\nWise Benefits\n\nInterested in more than one role?\nIf you're interested in multiple roles, please apply for just one-the one you're most excited about. If you submit multiple applications requiring the same assessment, we'll continue your recruitment journey using your first application, and any duplicate applications will be automatically closed. This helps ensure a fair and consistent interview process. If another role feels like a better fit, you can discuss this with your recruiter during the process.\n#LI-AB3 #LI-Hybrid\nFor everyone, everywhere. We're people building money without borders - without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.\nWe're proud to have a truly international team, and we celebrate our differences.\nInclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.\nIf you want to find out more about what it's like to work at Wise visit Wise.Jobs.\nKeep up to date with life at Wise by following us on LinkedIn and Instagram.","description_format":"text","description_chars":5178,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Financial Services","Money Transfer & Remittances","Currency Exchange & FX Payments"],"lifecycle":[{"event":"open","at":"2026-10-01T23:39:57Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":22,"reasons":["conf:30","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-03T05:45:00Z"},"pay":{"stated_usd_annual":146892,"is_top_pay":false},"html_url":"https://alion.io/job/wise-senior-software-engineer-wise-platform-api-experience","json_url":"https://alion.io/job/wise-senior-software-engineer-wise-platform-api-experience.json","meta":{"generated_at":"2026-10-04T01:23:50Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1809,"day_limit":5000,"remaining_today":3191,"minute_limit":60,"resets_at":"2026-10-05T00:00:00Z"}}}