{"id":3731198,"url":"https://alion.io/job/ajaib-senior-backend-engineer-ii-platform","title":"Senior Backend Engineer II - Platform","company":{"id":6657,"name":"Ajaib","domain":"ajaib.co.id","url":"https://alion.io/company/ajaib","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":90,"open_postings":30,"ghost_share":0,"stale_share":0.2,"repost_share":0,"time_to_fill_p50_days":99,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Jakarta, Indonesia","Bangkok, Thailand"],"countries":["ID","TH"],"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":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-11-04T08:18:32Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-08T20:13:58Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Founded to transform retail finance, Ajaib Group is an Indonesian fintech unicorn breaking barriers to financial access. Having recently secured a $270M Series C-the single largest funding round in Southeast Asia over the past four years-we are backed by premier global investors including Y Combinator, Ribbit Capital, SoftBank, and SBI Holdings.\nTo build world-class products, we assemble world-class talent. Supported by our fully remote work arrangement, our team spans Eastern Europe, the Middle East, India, and Southeast Asia, allowing you to work with brilliant engineers and builders from around the globe from wherever you are. We operate with an impact-driven purpose where everyone is the owner of our customers' satisfaction. Driven by a growth mindset and a fierce will to win, we refuse to settle and constantly push engineering boundaries.\nRole Overview\nAs a Senior Backend Engineer II in the Platform team, you own shared backend services that every Ajaib product depends on, such as identity, notifications, configuration and API gateways, from design to production. You design for many users and many teams, keep services reliable and secure under real traffic, and mentor engineers around you.\nDesign, build and run scalable, secure shared backend services and APIs used by many product teams.\nOwn larger services end to end, including monitoring, alerting, on-call follow-up and support for the teams that use them.\nDesign APIs that stay stable: clear contracts, versioning, backward compatibility and safe deprecation.\nBuild and improve identity and access features, such as sign-in, sessions, tokens, permissions and account security.\nMake shared services resilient: rate limiting, graceful degradation, isolation between consumers and safe rollouts.\nImprove observability with useful metrics, logs and traces, and set service level objectives with the teams that depend on you.\nLead design reviews and give thoughtful code reviews.\nInvestigate production incidents, run root cause analysis and ship lasting fixes.\nMentor mid-level engineers and share knowledge within the team.\nWork with product engineering teams, Security, Infrastructure and Architecture to turn requirements into reliable solutions.\nRequirements\nEducation: Bachelor's degree in Computer Science or equivalent practical experience.\nExperience: 5+ years of professional backend engineering, with a track record of owning production services used by other teams or high traffic.\nLanguages: Strong in Java, Go or another modern backend language.\nSystem Design: Solid understanding of microservices, REST/gRPC APIs, event-driven design, and reliability and observability practices.\nData & Messaging: Hands-on with relational and NoSQL databases (query tuning), caching (Redis) and messaging (Kafka).\nSecurity: Strong knowledge of authentication and authorization (OAuth2, OpenID Connect, JWT) and secure coding.\nInfrastructure: Experience running services on cloud platforms (GCP or AWS), with containers and CI/CD.\nMindset: Ownership mindset, clear communication and a service attitude toward internal users. Experience in fintech or another regulated environment is a plus.\nBenefits\nPerformance Bonus - Get rewarded for the impact you make\nPrivate Insurance - Comprehensive health coverage for you \nPaid Time Off - Take the time you need to recharge and come back stronger\nLearning & Development - Company-sponsored training, courses, and professional certifications\nHybrid Work Arrangement - Enjoy the flexibility of working both remotely and from the office\nCareer Growth - Work closely with experienced leaders and take on meaningful ownership as we scale\nEmployee Perks - Enjoy exclusive discounts, partnerships, and lifestyle perks\nCollaborative & High-Ownership Culture - Work with smart, driven people in cross-functional teams, take ownership, and make a meaningful impact for our users.","description_format":"text","description_chars":3886,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"},{"name":"Indonesia","iso":"ID","kind":"country"},{"name":"Thailand","iso":"TH","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Investing Apps & Robo-Advisors","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-11-04T08:18:32Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":99,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/ajaib-senior-backend-engineer-ii-platform","json_url":"https://alion.io/job/ajaib-senior-backend-engineer-ii-platform.json","meta":{"generated_at":"2026-11-08T20:42:11Z","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":43251,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":6657},"rest":"https://alion.io/mcp/rest/get_company?id=6657"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fajaib-senior-backend-engineer-ii-platform"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fajaib-senior-backend-engineer-ii-platform"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fajaib-senior-backend-engineer-ii-platform"},{"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/ajaib-senior-backend-engineer-ii-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fajaib-senior-backend-engineer-ii-platform"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3731198}},{"tool":"search_jobs","arguments":{"company":"ajaib.co.id","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3731198},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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