{"id":1371286,"url":"https://alion.io/job/wise-senior-backend-engineer-payin-platform-4","title":"Senior Backend Engineer - Payin Platform","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":80,"open_postings":34,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","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":null,"salary_estimate":{"min_usd":90000,"max_usd":174000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":91},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"closed","first_seen_at":"2026-09-23T16:24:30Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-09-29T07:11:17Z","board_verified":false,"closed_at":"2026-09-29T07:11:17Z","days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"Company Description\nWise is a global technology company, building the best way to move and manage the world’s money.\nMin fees. Max ease. Full speed.\nWhether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.\nAs part of our team, you will be helping us create an entirely new network for the world's money.\nFor everyone, everywhere.\nMore about our mission and what we offer.\nJob Description\nRecurring Payin team owns the Direct Debit API that powers automated payments into Wise. Underneath this, we are building a platform that allows customers to easily schedule top-ups or business collections.\nThe platform is also built on top of our internal Payin Platform rails; which is a critical component to the Wise money-movement machine and we’re looking for an engineer motivated to come and help us build for this.\nWe primarily offer APIs for any partner looking to set up automated funding or pre-authorizations. From setting up GBP balance top ups automatically to allowing business partners collect EUR bills monthly without having the customer go through the flow every time; our platform aims to consolidate all these use-cases.\nWe aim to allow customers to give a one time permission (pre-authorization) for Wise to pull money across any payment method, a USD bank account or a EUR issued bank card; you name it.\nJob Responsibilities:\nDesign, develop, test, and maintain backend services written in Java and Kotlin using the Spring Boot framework, deployed on cloud infrastructure (AWS)\nBuild and maintain RESTful APIs that serve millions of customers across web and mobile platforms\nDevelop and optimise services powering the card pay-in payment method - one of the most popular payment methods, enabling Wise customers to move around £1 billion every month\nDesign and implement database schemas, write and optimise SQL queries against PostgreSQL databases handling high-volume transactional data\nBuild and maintain event-driven architectures using Apache Kafka for asynchronous processing of financial events across distributed services\nDevelop and maintain a payment orchestration system that dynamically routes payments across Payment Service Providers to optimize for cost and reliability\nWrite automated tests (unit, integration, and end-to-end) to ensure correctness and reliability of financial systems\nConduct code reviews for team members, ensuring code quality, security, and adherence to engineering standards\nParticipate in on-call rotations to monitor and respond to production incidents for Tier 2 critical services\nCollaborate with product managers, designers, analysts, and engineers across other teams to deliver cross-functional projects\nIdentify and resolve performance bottlenecks, scalability issues, and technical debt in existing systems\nEnsure development follows security best practices, particularly around handling of sensitive financial data and compliance with financial regulations\nAdditional Information\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\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":3842,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-28T04:06:09Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/wise-senior-backend-engineer-payin-platform-4","json_url":"https://alion.io/job/wise-senior-backend-engineer-payin-platform-4.json","meta":{"generated_at":"2026-10-12T14:12:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":22436,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3856},"rest":"https://alion.io/mcp/rest/get_company?id=3856"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwise-senior-backend-engineer-payin-platform-4"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fwise-senior-backend-engineer-payin-platform-4"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fwise-senior-backend-engineer-payin-platform-4"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/wise-senior-backend-engineer-payin-platform-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwise-senior-backend-engineer-payin-platform-4"}]}