Lead Software Engineer

WHO WE ARE...

Our Mission is to help those in need with our out-of-this-world superpowers. Avalanche Laboratory's purpose is to be a reliable and long-term business partner to our customers offering them customized software solutions tailored for their business processes. We work on a project basis (in the EU and beyond), to this day we have already implemented over 320 projects and currently, we are working on another 45 projects. We have a wide range of clients from the financial sector, fintech, government projects, manufacturing companies etc.

WHAT WE DO

We are set up to provide our customers with end-to-end support in the process of developing software solutions:

• Business need analysis, design of functional and non-functional requirements, system analysis, support for business transformation and IT/business consultancy;
• User interface and experience design and development for mobile and desktop applications;
• Front and back-end development in a wide range of technologies: Java, .NET, Ruby, GoLang, Oracle, Python.
• Complete Data Warehouse solutions from architecture, design and implementation using mainly Vertica, Oracle and Microsoft platforms.
• Avalanche has been the central counterparty for multiple major banking projects in the Scandinavia and Baltics, in areas such as lending automation, regulatory reporting and calculations, integrations, governance, risk and compliance, Basel II/III, Stress Testing, AML/KYC.

Do you like us already? Wait until you see the role! 😊

We’re looking for a Lead Software Engineer who is strong enough to lead the technical direction, keep the Java/Spring Boot delivery clean, and speak the language of banking, payments, and integrations. This is not a junior or mid assignment – we need someone who has been around large systems and can design services that will actually work in a regulated banking environment.

DO YOU HAVE...

🌟 8+ years in Java (SE/EE) backend development with production systems.

🌟 5+ years building Spring Boot microservices covering security, config, testing, monitoring, and integration.

🌟 5+ years in FinTech, banking, or payments with solid payment flow and product knowledge.

🌟 5+ years designing architectures: service boundaries, APIs, data models, error handling, and security.

🌟 5+ years with relational databases (PostgreSQL/Oracle), schema design, and performance tuning.

🌟 5+ years integrating enterprise payment services with core banking, card platforms, REST, SOAP, messaging.

🌟 3+ years hands-on with Apache Kafka for event-driven integrations and reliable messaging.

🌟 3+ years of AWS or exposure to public cloud platforms, including backend deployment and CI/CD.

🌟 Strong consulting communication skills in English, working with architects, managers, and global teams.

BONUS SKILLS...

While not mandatory, any of these will set you apart:

💎 Experience with FlexCube (Oracle core banking platform) or other core banking systems — even high-level knowledge is valuable.

💎 Experience with enterprise integration patterns (message routing, idempotency, contract-first design, API gateways).

💎 Experience in payments and cash management value streams within a bank or in Cash Pooling / Liquidity Management concepts – e.g. zero balancing, target balancing, notional pooling, corporate structures.

💎 Experience with secure coding in banking — audit, traceability, encryption, masking.

💎 Prior vendor/consulting background where you represented your company in front of the client.

ARE YOU WILLING TO...

✨ Work remotely from the Baltics or Poland, but occasionally come on-site (hybrid) when a workshop, design session, or delivery milestone needs your presence?

✨ Be visible, not a silent coder — participate in calls, design reviews, and solution discussions?

✨ Take ownership of your piece of the integration — from design to documentation to handover?

WHY BECOME AN AVALANCHER...

⭐ This is an opportunity to work with talented teammates and shape the future of Avalanche Labs (and we have daring plans!)

⭐ Working on an international level in a fast-paced environment with professional growth opportunities

⭐ Benefit basket with additional health insurance plan, additional vacation weeks, go on extreme adventures with Avalanchers, and more!

⭐ Remote work arrangement

⭐ We offer a competitive salary of up to 6,500 EUR gross per month for this position, based in Estonia (B2B is also an option).