Software Engineer

Solutions Banking as a Service Modular Islamic Banking Payments & Wallets Engine Core Banking Modernization Unified Lending Solutions Venture Launchpad Product Platform Core Banking Cards Islamic Suite Lending Payments Agentic banking platform Auto Finance FAQs Company About Careers Newsroom Insights Blog Events Webinars Resources Customers Partners Developer Portal Contact us Software Engineer Quick rundown Location Tallinn Team Engineering Commitment Full-time Workplace hybrid Apply Quick Rundown Apply for this position Location Tallinn Team Engineering Commitment Full-time Workplace hybrid Tuum is a next-generation banking platform. We enable fintech and banks to rapidly offer seamless and tailored financial services to their customers. Our core banking platform is revolutionising the financial services industry. The platform is API-based, consisting of flexible and independent modules covering all retail and business banking capabilities for quick and easy integration.  Launched in 2019, Tuum is headquartered in Tallinn and is backed by investors including Citibank, BlackFin Capital Partners, Karma Ventures, Portage Ventures, SpeedInvest, and CommerzVentures. We are looking for a highly skilled Software Engineer to join our Cards Team. At Tuum, we aren’t just adjusting legacy systems; we are building a next-generation, cloud-native core banking platform from scratch. As part of the Cards Team, you will be at the heart of our transactional engine—designing and scaling the systems that handle card issuing, payment processing, and real-time ledger balances globally. If you love high-throughput, low-latency challenges and want to see your code power everyday transactions worldwide, this is your sandbox. What you'll be doing Own the product life cycle: design, implement, test, and deploy robust and scalable features for our Cards module Ensure the reliability and performance of production systems Produce high-quality, clean, and reliable code in close collaboration with your team and fellow engineers Build, monitor, and improve our systems to handle high-volume data processing at scale Provide technical solutions and development recommendations that enhance the product in a way that anticipates future needs Be a subject-matter expert to team members and business users Our expectations 3+ years of professional experience building scalable backend applications using Java (Spring) and relational databases like PostgreSQL Hands-on experience with microservices architecture, understanding how to keep distributed systems decoupled and resilient Willingness to contribute to our front-end codebase and grow your skills in JavaScript (React) Strong background in agile software development and a desire to work in a culture of continuous improvement  Deep curiosity for understanding the ‘why’ behind the work, from the product vision and requirements to the underlying business logic Proactive and solutions-focused mindset, with a passion for solving complex challenges An active collaborator who shares knowledge, provides constructive feedback, and invests in the success of your team Bonus points for Familiarity with cloud-based solutions, especially AWS A background in the financial sector What we offer Competitive salary Tuum stock options Hybrid-working (3 days a week in the office) 4-day work week during the summer months (June, July, August) Private health insurance or generous wellness compensation Career opportunities to grow both professionally and personally as we scale Bright and warm-hearted team of professionals delivering great things together All-hands-on-deck-approach (meaning that everyone delivers value regardless of responsibilities) We are an...