{"id":3921075,"url":"https://alion.io/job/instaleap-sr-backend-golang-node-typescript-payments","title":"Sr Backend | Golang, Node, TypeScript | Payments","company":{"id":178787,"name":"Instaleap","domain":"instaleap.io","url":"https://alion.io/company/instaleap","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Solutions","role_family":"Solutions","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":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Docker","optional":false},{"name":"Go","optional":false},{"name":"Node JS","optional":false},{"name":"PCI DSS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Terraform","optional":false},{"name":"Tokenization","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-23T20:06:03Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-11-09T12:05:21Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"What would you do?\nBuild and evolve payment services end to end, using Go for new services and Node.js, TypeScript, and PostgreSQL to maintain and improve existing systems.\n\nDesign and implement payment gateway integrations, supporting transaction flows such as authorization, capture, cancellation and refunds.\n\nBuild reliable transaction workflows that handle retries, timeouts, idempotency, concurrency, and partial failures while preserving transaction integrity.\n\nDrive technical solutions from discovery to production, translating business requirements into maintainable designs, identifying risks and dependencies early, and owning the outcome.\n\nContribute to the evolution of our payment platform, helping migrate from legacy systems to a scalable, modular architecture while maintaining existing customer operations.\n\nEnsure production reliability and observability, using monitoring, logs, tracing, automated testing, and incident analysis to prevent issues and improve system resilience.\n\nRaise engineering standards through thoughtful code reviews, pragmatic architectural decisions, testing strategies, and continuous improvement of development practices.\n\nCollaborate with Product and other engineering teams to clarify requirements, challenge assumptions, communicate trade-offs, and deliver solutions aligned with business priorities.\n\nShare knowledge and provide technical leadership, mentoring teammates, facilitating technical discussions, and helping others make sound engineering decisions.\n\nContribute to deployment and operations using AWS, Docker, Terraform, and CI/CD pipelines.\n\nYour experience has been shaped by\nGo: strong hands-on experience building production services, designing APIs, managing concurrency, and writing maintainable, well-tested code.\n\nNode.js, TypeScript, and PostgreSQL: experience evolving existing backend systems, working with relational data, optimizing queries, and maintaining transactional integrity.\n\nDistributed systems and microservices: service boundaries, asynchronous communication, failure handling, retries, and consistency across services.\n\nSoftware architecture: clean architecture, domain-driven design, modularity, and pragmatic approaches to legacy modernization.\n\nReliability engineering: idempotency, timeouts, observability, incident troubleshooting, and designing resilient systems.\n\nAutomated testing: unit, integration, and contract testing, with a focus on business behavior and critical transaction paths.\n\nAWS and infrastructure as code: experience with cloud services, Docker, Terraform, and CI/CD pipelines.\n\nTechnical leadership: mentoring engineers, conducting meaningful code reviews, facilitating technical discussions, and influencing decisions without relying on formal authority.\n\nCross-functional collaboration: communicating technical trade-offs clearly, aligning with Product, and managing dependencies across teams.\n\nPayment systems or transactional domains: experience with payment gateways, billing, financial transactions, order processing, or other business-critical workflows. 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