{"id":3597853,"url":"https://alion.io/job/ajaib-sr-backend-engineer-i-investment","title":"Sr. Backend Engineer I - Investment","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":"2026-11-14T05:58:10Z"}},"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":["Jakarta, Indonesia"],"countries":["ID"],"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":"2026-11-02T05:51:38Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-15T04:18:02Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"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 Sr. Backend Engineer I in the Investment team, you build and maintain the backend services that power stock trading: orders, market data, portfolio and transaction history. You deliver well-defined features with high quality, grow quickly in system design, and help keep a platform running that investors rely on every trading day.\nDesign, build and maintain backend services and APIs for stock trading and portfolio features.\nDeliver features from technical design to production, with tests, monitoring and alerting.\nMake sure all process related with financials, quantities and prices are handled accurately, with safe retries and clear audit trails.\nIntegrate with internal systems and external parties such as exchange, clearing and bank connections.\nWrite clean, well-tested code and take part actively in code reviews.\nInvestigate production issues, find root causes and help ship lasting fixes.\nImprove performance and reliability, especially around market open and peak trading volume.\nWork with Product, Operations and Compliance to turn requirements into reliable solutions.\nRequirements\nEducation: Bachelor's degree in Computer Science or equivalent practical experience.\nExperience: 4+ years of professional backend engineering, including running services in production.\nLanguages: Strong in Java, Go or another modern backend language.\nSystem Design: Good understanding of microservices, REST/gRPC APIs, event-driven design and reliability basics.\nData & Messaging: Hands-on with relational databases (query tuning), caching (Redis) and messaging (Kafka).\nInfrastructure: Experience with cloud platforms (GCP or AWS), containers and CI/CD.\nMindset & Domain: Ownership mindset and clear communication. Experience in capital markets, brokerage, payments or another regulated, high-traffic environment is a strong 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":3426,"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"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Investing Apps & Robo-Advisors","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-11-02T05:51:38Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":12,"expected_fill_days":99,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-11-14T05:58:10Z"},"pay":null,"html_url":"https://alion.io/job/ajaib-sr-backend-engineer-i-investment","json_url":"https://alion.io/job/ajaib-sr-backend-engineer-i-investment.json","meta":{"generated_at":"2026-11-15T05:25:53Z","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":714,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-16T00:00:00Z"}},"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-sr-backend-engineer-i-investment"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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-sr-backend-engineer-i-investment"},{"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-sr-backend-engineer-i-investment"},{"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-sr-backend-engineer-i-investment\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fajaib-sr-backend-engineer-i-investment"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3597853}},{"tool":"search_jobs","arguments":{"company":"ajaib.co.id","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3597853},"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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