Wise
Senior Software Engineer I – Contacts Team
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Senior Software Engineer I – Contacts Team
Senior Software Engineer - Contacts Platform
About Wise
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.
The Role
The Contacts team is a core team at Wise, dedicated to making adding, finding, and managing your recipients as easy as possible. We own this experience end-to-end: from the scalable platform securing tens of millions of bank accounts customers send to — through intelligent search algorithms and local integrations (e.g., Pix), to the customer-facing screens where users interact with their counterparties.
The team sits at the heart of Wise’s day-to-day operations — if our services go down, Wise goes down.
You will be part of an autonomous team, driving the technical vision for the backend solution powering the recipient’s user experience. Your work will contribute to scaling up and building a world-class recipient management product — helping users discover, manage and connect with counterparts globally.
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How We Work
We operate in an agile fashion, with engineers closely collaborating with designers, product managers, and analysts. The team spans our Tallinn and London offices.
Key Responsibilities
- Drive the technical vision and architecture for a high-performance backend system that scales to millions of connections and transactions.
- Design, build and maintain secure, performant and scalable RESTful APIs that empower the recipient management experience.
- Optimise database schemas and queries for speed and reliability, working with both relational and non-relational systems.
- Foster a product-first mindset, ensuring developed solutions directly address customer pain points with data-backed decision making.
- Ensure code quality, enforce best practices for testing (TDD), feedback (code reviews), and modularity.
- Collaborate across teams (technical and non-technical) to manage dependencies and maintain the entire backend-forward user experience flow.
Requirements
Essential
- Full cycle delivery mentality — you’ve built it, you’ve shipped it, and you actively own improving it.
- Hands-on experience with large-scale distributed systems, ensuring scalability, reliability, and fault tolerance.
- Strong command of Java.
- Deep knowledge of relational and non-relational databases, schema design optimisation for query performance.
- A product-first approach, bringing customer empathy and metrics-driven decision-making to each problem.
- Experience designing, testing, deploying and maintaining clean RESTful APIs and microservices.
- Strong commitment to testing (including unit and integration), code reviews, and iteration.
- Expertise in TDD and writing best-in-class, modular, maintainable code.
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Nice to Have
- Spring Boot proficiency.
- Experience working with BFF (Backend-for-Frontends) patterns.
Why Join Wise?
At Wise, we're builders of money without borders — without judgement or prejudice. We believe diverse teams create stronger workplaces and superior outcomes.
By joining us:
- Find a truly international workplace, where differences are celebrated.
- Work in environments built around inclusion, ethical values, and pay equity.
- Develop your career through career coaching, mentorship and opportunities within a globally-recognised tech leader.
Discover more about what it’s like to work at Wise here.
Stay connected with us on LinkedIn and Instagram for updates on our growing team.
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