Senior Software Engineer - Finance Core Accounting

Posted Yesterday
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Tallinn, Harju maakond
Hybrid
Senior 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
The Senior Software Engineer will lead development initiatives in Core Accounting, focusing on scalable systems, backend development, and cross-team collaboration, while mentoring others.
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 team you’ll be working with: Core Accounting in Finance

Finance drives financial accounting, business monitoring and representing Wise financials to board, investors, regulators and auditors. Their focus is on running financial processes in an efficient, scalable and controlled manner and ensuring timely and accurate financial reporting. Finance Services at Wise record over 1 billion ledger entries per month, averaging at 40,000 events per minute. Teams in Finance are responsible for the following:

  • Core Accounting: Providing ledger as a service and responsible for the Third Party integrations along with spitting the financial aggregations out. 

  • Finance Implementation: Journaling of financial transactions of new customer products/features

  • Integrations Experience: Improving the experience and process of onboarding new product financials. 

  • Data & Assurance: Managing the governance and controls over all financial data

About the Role

As an Senior Software Engineer to join our Core Accounting team you would be responsible for shaping and delivering some of the key initiatives and functionalities in the team  like:

  • Design, shape, develop, and test applications using Java, Spring Boot, PostgreSQL, Kafka and React in a micro services environment

  • Participate in the development of our ledger as a service, aggregation pipeline for financials, and 3rd party integrations

  • Learn and take ownership of the 3rd party systems we in finance have and how we integrate with them

  • Work cross-functionally in squads who are vital to driving the mission of making ledger and financials more timely, accurate and controlled. 

  • Create clear and helpful interfaces, whilst maintaining consistency, maintainability and performance

  • Collaborate with cross-functional teams to identify and prioritize product requirements

  • Write clean, efficient, and well-documented code that adheres to our coding standards

  • Participate in code reviews and contribute to the improvement of our codebase

  • Participate in team ceremonies and planning cycles

Qualifications

What You'll Do

Technical Leadership & Delivery

  • Own large-scale projects: Lead the technical roadmap and deliverables for significant, impactful initiatives (8+ engineering weeks)

  • Design scalable systems: Build backend services and APIs with a long-term approach, using design patterns that enable easy iteration and scaling

  • Full-stack contribution: Work across the entire stack with particular strength in backend technologies, ensuring seamless integration between frontend and backend systems

  • Maintain system reliability: Take accountability for the availability, reliability, and security of the systems you build

  • API-first design: Ensure all products are designed with strong, well-documented APIs that partners and internal teams can easily consume

Product & Strategic Impact

  • Drive technical roadmap: Own and contribute to your team's technical roadmap alongside product partners

  • Product thinking: Provide strong feedback on product roadmaps, always able to articulate why something is being built, what customer problem it solves, and expected impact

  • Technical debt management: Proactively address technical debt and plan work to keep it within risk appetite

  • Cross-team collaboration: Promote collaboration across teams to minimize duplicate work and align everyone toward common goals

Mentorship & Team Excellence

  • Mentor engineers: Coach and assist other engineers in your team and broader engineering guilds

  • Own onboarding: Lead the onboarding process for new engineers joining your team

  • Engineering practices: Ensure your team follows Wise's engineering best practices (observability, security, database usage, testing, etc.)

Additional Information

What We're Looking For

Technical Expertise

  • Backend mastery: Expert-level knowledge in backend technologies with up-to-date knowledge of your discipline

  • Full-stack capabilities: Strong understanding of frontend technologies and ability to work across the entire stack

  • Distributed systems: Solid understanding of distributed systems, microservices, and how to design them effectively

  • System design: Experience designing and building scalable, maintainable systems with proper abstractions

Leadership & Collaboration

  • Mentorship skills: Proven ability to coach and develop other engineers

  • Cross-functional collaboration: Excellent communication skills across engineering, product, design, and other functions

  • Ownership mindset: Embrace long-term ownership while building redundancy and knowledge sharing

  • Cultural contributor: Exemplify Wise values and contribute

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.

Top Skills

Java
Kafka
Postgres
React
Spring Boot

What the Team is Saying

Lindsay
Surendra
Smrithi
Pavan
Asya
Jennifer
Lauren
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The Company
6,500 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: Not Specified
Singapore
Austin, TX
Brussels, BE
Hungary
Hyderabad, IN
Kuala Lumpur, MY
London, GB
New York, NY
São Paulo, BR
Tallinn, EE
Tokyo, JP
Learn more

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