Backend Engineer - Contacts Team

Posted 4 Hours Ago
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London, Greater London, England, GBR
Hybrid
68K-88K Annually
Entry level
Fintech • Mobile • Payments • Software • Financial Services
Wise is one of the fastest growing fintechs in the world and we’re on a mission to make money without borders a new norm
The Role
Build and maintain backend solutions for Wise’s recipient and contacts experience. Responsibilities include developing scalable distributed systems, designing RESTful APIs, working with relational and non-relational databases, optimizing queries, designing schemas, writing testable code, conducting code reviews, and collaborating with designers, product managers, and analysts in an autonomous agile team.
Summary Generated by Built In
Company Description

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.

Job Description

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, to the intelligent search algorithms and local integrations (like Pix) that power discovery, all the way to the customer-facing screens where users interact with their counterparties. The team is integral to Wise’s day-to-day operations — if our services go down, Wise goes down.

How we work

We work in an agile fashion, with engineers closely collaborating with designers, the product manager, and the analyst. The team operates across our Tallinn and London offices. 

What will you be working on?

You will be part of an autonomous team, and help build the  backend solutions that power how our customers interact with recipients

Qualifications

What do you need?

We are fully aware that it is uncommon for a candidate to have all skills required and we fully support everyone in learning new skills with us. So if you have some of those listed below and are eager to learn more, we do want to hear from you!

  • You get things done

  • You have experience working with large scale distributed systems

  • You have strong experience with Java or a similar object-oriented language

  • You have experience working with relational and non-relational databases, query optimisation and designing schemas

  • You have a strong product mindset and passion for customer experience, you prioritise work with the customers in mind and make data-driven decisions to fix customer pain-points

  • You enjoy collaborating with others and bringing people together to solve a problem

  • You have experience in designing, deploying and maintaining clean RESTful APIs

  • You believe in and follow best coding practices, code reviews and open feedback

  • You enjoy writing testable code and believe in Test Driven Development

Nice to have: 

  • You have experience with Spring boot

  • You have worked with BFFs (Backend-for-Frontends)

Additional Information

Interested? Find out more:

  • How we work - a practical guide

  • DEI @ Wise

  • Wise Tech Stack (2025 update)

  • See what it’s like to work at Wise London

  • Our engineering career map

Wise Engineering – https://medium.com/wise-engineering

What do we offer: 

  • Starting salary: £68,000 - £87,500 + RSUs

  • Wise Benefits

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.

Skills Required

  • Ability to get things done
  • Experience working with large-scale distributed systems
  • Strong experience with Java or a similar object-oriented language
  • Experience with relational and non-relational databases, query optimization, and schema design
  • Strong product mindset and customer experience focus
  • Ability to collaborate effectively and bring people together to solve problems
  • Experience designing, deploying, and maintaining RESTful APIs
  • Knowledge of coding best practices, code reviews, and open feedback
  • Experience writing testable code and following Test Driven Development
  • Experience with Spring Boot
  • Experience with Backend-for-Frontends

What the Team is Saying

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The Company
9,000 Employees
Year Founded: 2011

What We Do

Wise is a global technology company, building the best way to move and manage the world's money. With Wise Account and Wise Business, people and businesses can hold 40 currencies, move money between countries and spend money abroad. Large companies and banks use Wise technology too; an entirely new network for the world's money. Launched in 2011, Wise is one of the world’s fastest growing, profitable tech companies. In fiscal year 2025, Wise supported around 15.6 million people and businesses, processing over $185 billion in cross-border transactions and saving customers around $2.6 billion.

Why Work With Us

We’re truly global in who we are, how we work, and how we build. Everything we do is centred around creating a world of money that’s fast, easy, fair. And open to all. Everyone who works here owns a piece of Wise, from the work they do, to the stock they hold.

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Wise Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We expect new joiners in the office most days to build connections and learn from colleagues for their first six months. After that, most Wisers split their working week between the office and home, typically coming in at least 12 times a month.

Typical time on-site: Flexible
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Brussels
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Austin
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Budapest
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Hydrabad
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Kuala Lumpur
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London
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New York
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São Paulo
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Singapore
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Tallinn
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Tokyo
Learn more

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