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Senior Software Engineer — Support Tooling

eePosted 28 Oct 2026

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About this role

We're looking for a Senior Software Engineer to join our Support Tooling team in Tallinn. The team builds and maintains the systems that enable our Customer Support agents to help millions of Wise customers efficiently, reliably and at scale. Our goal is to make customer support as seamless as possible by providing agents with the right tools, information and workflows to resolve issues effectively, while ensuring that our systems remain secure, scalable and easy to maintain.

You'll take ownership of the core tooling our Support agents use every day , working on a complex, distributed Java system with opportunities to improve how we support our customers. As part of a new workstream, you'll work closely with Product colleagues to help shape the future of our agent tooling — balancing new product capabilities, technical improvements and long-term reliability. What you'll be working on: Owning and evolving a complex Java backend system , taking responsibility for technical decisions, development, testing and deployment.

Solving distributed-systems challenges involving concurrency, service-to-service communication, data consistency and reliability. Improving the tools used by Customer Support agents , helping them resolve customer issues more efficiently and deliver a better customer experience. Driving technical improvements and managing tech debt , making pragmatic decisions about when to prioritise new features, maintenance and long-term system health.

Partnering closely with Product Managers and operational stakeholders to understand problems, influence priorities and help shape the team's roadmap. Contributing to the user experience , working with React where needed to improve the interfaces and workflows used by our agents. Taking end-to-end ownership of meaningful Engineering initiatives, from identifying opportunities through to production delivery. What you'll bring: Strong hands-on Java experience , building and maintaining complex backend systems in production.

Experience with distributed systems and asynchronous communication , including technologies such as Kafka and service-to-service integrations. A solid understanding of concurrency and parallel processing , including concepts such as thread safety, distributed locking and eventual consistency. The ability to work independently and take ownership of complex technical problems, from identifying the right approach through to delivery.

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A strong product mindset , with the ability to understand user needs and make Engineering decisions based on customer impact. A pragmatic approach to technical debt, maintenance and feature development , balancing short-term delivery with long-term system quality. Strong communication skills and the ability to collaborate effectively with Product Managers, operational teams and non-technical stakeholders. Willingness to work across the stack when needed, particularly with React.

You don't need to be a frontend specialist, but you should be comfortable learning and contributing beyond the backend. Nice to have: Experience developing backend-heavy products with complex workflows . Previous experience building internal tools or systems used by operational teams. Hands-on experience with React and building user-facing applications. What we offer you: 💶 Salary range: €5,750–€7,083 gross/month (€69,000–€85,000 gross/year).

🚀 Wise Restricted Stock Units (RSUs) — the opportunity to share in Wise's long-term success. 🌿 Hybrid working in Tallinn, Estonia , with relocation and visa sponsorship support where applicable. 💪 A robust annual self-development budget for your professional growth. 🌱 3 fully paid 'me days' per year to help you manage life. 📈 Opportunities to grow your technical expertise and progress along our Engineering Career Map .

Interested in joining us? Find out more about how we work: Engineering at Wise Our mission and values Wise Engineering blog For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.

If you want to find out more about what it's like to work at Wise visit Wise.Jobs . Keep up to date with life at Wise by following us on LinkedIn and Instagram . Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer .

Source listing: smartrecruiters_wise

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