{"id":1100591,"url":"https://alion.io/job/scalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3","title":"(Senior) Kotlin / Java Software Engineer - Trading Platform (m/f/x)","company":{"id":3485,"name":"Scalable Capital","domain":"scalable.capital","url":"https://alion.io/company/scalable-gmbh","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"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":["Munich, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":71000,"max_usd":124000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":59},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"DynamoDB","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-09-21T12:38:43Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-13T00:58:45Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"Scalable Capital is a leading digital investment and banking platform with a full banking licence, empowering people across Europe to shape their own finances. Scalable Broker makes it easy and affordable for clients to invest professionally in stocks, ETFs, cryptocurrencies, and derivatives, as well as set up savings plans. Scalable Wealth, the digital wealth management service, offers clients professional investment in ETF portfolios, and is also adopted as a white-label solution by banks and other B2B partners. The company’s offerings are rounded off by attractive interest rates, loans, and private equity. With the European Investor Exchange, Scalable Capital offers an exchange specifically for retail investors. Over one million clients have already entrusted more than €50 billion to the platform.\nFounded in 2014, Scalable Capital now employs over 700 people across Munich, Berlin, Vienna and Milan. Together with the founding and management team, including Erik Podzuweit and Florian Prucker, they are working on a new generation of financial services.\nVisit our finance blog or check out our Social Media channels to find out what our Expert Teams have to say.\nOur Company Values guide us every day in how we work and collaborate. To learn more about them, you can find our values here (English).\nWe are looking for experienced backend developers to work on our brand new banking platform!\n Be part of a highly motivated, cross-functional team building and operating Scalable Capital’s Trading Platform.\nDesign, build, and evolve business-critical services supporting the trading lifecycle-from order intake and validation through execution, status updates and post trade processing.\nDevelop reliable, scalable, and observable backend services using Kotlin, Java, and Spring Boot in a distributed, event-driven environment.\nWork with product, operations, risk, and other engineering teams to translate complex trading processes into clear, resilient software models and APIs.\nBuild integrations with internal platforms and external trading venues, ensuring robust processing of time-sensitive financial data.\nTake ownership from idea to production: contribute to architecture, implementation, testing, deployment, monitoring, and continuous improvement.\nHelp ensure the platform meets high standards for correctness, performance, availability, security, and auditability.\nWork in an autonomous agile team using modern software-development practices, including code reviews, automated testing, continuous integration and delivery, cloud-based infrastructure, and infrastructure as code.\nRaise engineering standards by improving reliability, automation, observability, developer experience, and operational processes.\n A university degree in computer science, engineering or a comparable qualification.\nStrong professional experience building production backend services with Kotlin or Java and Spring Boot.\nExperience designing and operating distributed, event-driven, high-availability systems with clear API and service boundaries.\nSolid understanding of Domain-Driven Design and the ability to model complex business workflows in maintainable software.\nDemonstrated ability to work on latency-sensitive, high-throughput systems, including performance analysis, monitoring, capacity considerations and failure-mode design.\nExperience designing, operating and optimising data persistence for backend services, including relational databases such as PostgreSQL/MySQL and NoSQL databases such as DynamoDB.\nA strong engineering-quality mindset: clean, secure, testable, documented, maintainable code and ownership of services in production.\nFamiliarity with cloud-native development and operations, ideally AWS, Docker, Terraform, CI/CD pipelines, monitoring, and observability tooling.\nStrong analytical skills and clear, audience-appropriate communication with engineering, product, operations and business stakeholders.\nExperience with designing and operating gRPC services, including protobuf-based API design, backward-compatible schema evolution, error handling and observability, is a plus.\nExperience with financial-market systems requiring strict operational controls and auditability is a strong plus.\n Be part of one of the fastest-growing and most visible Fintech startups in Europe, creating innovative services that have a substantial impact on the lives of our customers\nWork with an international, diverse, inclusive, and ever-growing team that loves creating the best products for our clients\nBe productive with the latest hardware and tools\nLearn and grow by joining our in-house knowledge sharing or career development sessions and spending your individual Education Budget \nLearn and experience German culture first hand by joining our free German language classes\nInternational relocation support is provided if required \nOpportunity to work from abroad\nBenefit from an attractive compensation package and from the company pension scheme\nMonthly contribution of 50% for the ‘Deutschland Jobticket’\nSay goodbye to order commissions and say hello to your complimentary subscription of Scalable Capital's PRIME+ Broker\nEnjoy flexible and discounted sports activities with Urban Sports Club","description_format":"text","description_chars":5221,"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":[{"language":"English","level":"All levels","optional":false},{"language":"German","level":"All levels","optional":false}]},"benefits":["Equity","Sports activities"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Investing Apps & Robo-Advisors","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-09-21T22:14:12Z"}],"visa":[],"liveness":{"score":62,"band":"ok","label":"Likely open","p_open":1,"p_active":0.825,"p_room":0.75,"age_days":20,"expected_fill_days":23,"reasons":["conf:2","velocity","win:late"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/scalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3","json_url":"https://alion.io/job/scalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3.json","meta":{"generated_at":"2026-10-13T03:30:49Z","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":5508,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":3485},"rest":"https://alion.io/mcp/rest/get_company?id=3485"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fscalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3"},{"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%2Fscalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3"},{"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%2Fscalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3"},{"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/scalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fscalable-capital-senior-kotlin-java-software-engineer-trading-platform-mfx-3"}]}