{"id":644039,"url":"https://alion.io/job/teya-principal-backend-engineer-2","title":"Principal Backend Engineer","company":{"id":684703,"name":"Teya","domain":"teya.com","url":"https://alion.io/company/teya","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":76,"open_postings":33,"ghost_share":0,"stale_share":0.97,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","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":141000,"max_usd":278000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":46},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Docker","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-04-17T17:17:27Z","employer_posted_date":"2026-04-17","last_verified_at":"2026-10-17T15:19:53Z","board_verified":true,"closed_at":null,"days_open":182,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":182},"description":"Hello. We’re Teya.\nTeya was founded on a simple belief: local businesses deserve better.\nThey are the cafés, restaurants, salons, shops and entrepreneurs that bring character to our high streets, create jobs and keep communities moving. Yet for too long, financial services has made life harder for them - with clunky tools, poor support and complexity that gets in the way of running a business.\nTeya exists to change that.\nWe’re building a financial platform for local businesses across Europe - one built around simple tools, thoughtful design and real human support. Our Members rely on us to help them run their business with confidence, and that responsibility shapes the way we work.\nWe move fast. We care about quality. We stay close to the detail. And we believe great performance and genuine hospitality should go hand in hand.\nIf you want to build meaningful products, solve real problems and make a genuine difference for local businesses, we’d love to hear from you\nYour Mission\nSmall businesses are the backbone of our communities - yet they remain underserved by traditional banks and legacy payment providers. As a Principal Backend Engineer, you will play a defining role in changing that.\nYour mission is to design and build the resilient, scalable fintech infrastructure that underpins our most critical business initiatives. This isn’t about owning a single service - it’s about owning outcomes. You will drive the technical success of the platforms that power payments, merchant onboarding, transaction processing, and operational workflows across Europe.\nYou’ll operate at the intersection of engineering and business strategy, shaping systems that must be secure, compliant, highly available, and capable of scaling with rapid growth. The decisions you make will directly influence how quickly we can launch new products, enter new markets, and serve thousands of merchants.\nThis role goes beyond technical leadership. You will define and evolve the architectural foundations that multiple teams depend on, bringing clarity to ambiguity and ensuring our most important initiatives succeed.\nWhat You’ll Do\nOwn and drive the architecture behind our most critical platforms, ensuring they scale with the business and unlock new capabilities\n\nDesign and evolve high-scale, cloud-native systems powering payments and merchant experiences\n\nLead the development of resilient, secure, and compliant services for high-volume transaction processing\n\nShape and drive adoption of modern backend practices (Java 17/21, Spring Boot 3, Kotlin, clean architecture)\n\nArchitect event-driven systems (Kafka) that enable scalable, decoupled domains across teams\n\nDefine and enforce standards for API-first development (REST/gRPC) and domain-driven design (DDD)\n\nSet the bar for availability, performance, fault tolerance, and observability across critical systems\n\nPartner deeply with Product, Data, and leadership to translate business priorities into scalable technical strategy\n\nLead cross-organisational initiatives that are essential to company growth and market expansion\n\nInfluence engineering direction through hands-on contribution, design leadership, and mentorship\n\nBring structure to ambiguity across technical, regulatory, and operational domains\n\nWhat You Bring\n8+ years of experience building and operating distributed, production-grade backend systems\n\nProven track record operating at Senior Staff or Principal level, driving architecture across multiple teams or domains\n\nDeep expertise in Java (17+), Spring Boot, and modern backend engineering practices\n\nStrong experience with microservices, event-driven architecture, and asynchronous systems\n\nExperience building systems for high throughput, low latency, and reliability, ideally in fintech or transaction-heavy environments\n\nStrong grounding in system design, data structures, and performance trade-offs\n\nHands-on experience with AWS, Docker, and Kubernetes in production environments\n\nProven ability to implement observability, resilience patterns, and CI/CD best practices\n\nExcellent communication skills with the ability to influence and align stakeholders\n\nA track record of mentoring senior engineers and leading through ambiguity\n\nThe Perks\nWe trust you, so we offer flexible working hours, as long it suits both you and your team;\n\nPhysical and mental health support through our partnership with GymPass giving free access to over 1,500 gyms in the UK, 1-1 therapy, meditation sessions, digital fitness and nutrition apps;\n\nOur company offers extended and improved maternity and paternity leave choices, giving employees more flexibility and support;\n\nCycle-to-Work Scheme;\n\nHealth and Life Insurance;\n\nPension Scheme;\n\n25 days of Annual Leave (+ Bank Holidays);\n\nOffice snacks every day;\n\nFriendly, comfortable and informal office environment in Central London.\n\nTeya is proud to be an equal opportunity employer.\nWe are committed to creating an inclusive environment where everyone regardless of race, ethnicity, gender identity or expression, sexual orientation, age, disability, religion, or background can thrive and do their best work. We believe that a diverse team leads to better ideas, stronger outcomes, and a more supportive workplace for all.\nIf you require any reasonable adjustments at any stage of the recruitment process whether for interviews, assessments, or other parts of the application-we encourage you to let us know. We are committed to ensuring that every candidate has a fair and accessible experience with us.","description_format":"text","description_chars":5521,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Flexible schedule","Life insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","Financial Services","POS Systems","Business & SME Lending"],"lifecycle":[{"event":"open","at":"2026-09-10T20:11:05Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-10-17T06:21:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.216,"p_room":0.28,"age_days":182,"expected_fill_days":30,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/teya-principal-backend-engineer-2","json_url":"https://alion.io/job/teya-principal-backend-engineer-2.json","meta":{"generated_at":"2026-10-17T15:28:55Z","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":20972,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":684703},"rest":"https://alion.io/mcp/rest/get_company?id=684703"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fteya-principal-backend-engineer-2"},{"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%2Fteya-principal-backend-engineer-2"},{"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%2Fteya-principal-backend-engineer-2"},{"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/teya-principal-backend-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fteya-principal-backend-engineer-2"}]}