Senior Software Engineer II - Treasury + Liquidity (Java)

Wise; Greater London; On-site; GBP 105,000 - 130,000; Full time

Job summary

A global finance technology company in Greater London is looking for a Senior Software Engineer II to enhance Treasury and Liquidity solutions. The role involves designing high-performance services and leading technical initiatives to improve liquidity management. Candidates should have strong communication skills and a proven track record of mentorship. This position offers a competitive salary and a collaborative work environment.

Benefits

Empowerment to solve problems creatively

Opportunity to work with a diverse team

Fun work environment with social activities

Qualifications

• Ability to work independently while collaborating with teams.
• Experience with relational databases and SQL optimization.
• Track record of mentoring junior engineers.

Responsibilities

• Design, build, and maintain high-performance tools and services.
• Lead technical initiatives to improve liquidity management.
• Document and present results to stakeholders.

Skills

Strong product mindset

Excellent communication skills

Experience with asynchronous messaging systems

Knowledge of Java and Spring Boot

Curiosity and drive for continuous learning

Tools

Kafka

AWS

Hadoop

Job description

Senior Software Engineer II - Treasury + Liquidity (Java)

• Full-time
• Compensation: GBP 105,000 - GBP 130,000 - yearly

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.

We are seeking a Senior Engineer passionate about our mission of Money Without Borders to collaborate with our Treasury team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing one of Treasury’s core functions.

You will work closely with product, analytics, data science, risk and controls, and operations to translate your designs into tangible improvements for our customers, directly impacting Wise’s mission and millions of our users.

As part of the team, you will be at the forefront of designing, implementing, and refining systems for forecasting and managing liquidity, and influencing decision-making across the organization. The team’s mission is to ensure Wise maintains sufficient cash in the right place at the right time, while effectively managing liquidity risk. You will collaborate with cross‑functional teams to develop data‑driven solutions that enhance our liquidity management and operational efficiency.

What you will do:

• Design, build, and maintain high‑performance, scalable tools and services utilizing Java, Spring Boot, and cloud technologies etc.
• Implement metric‑driven, real‑time observability for Liquidity management systems.
• Lead technical initiatives to improve real‑time Liquidity management, emphasizing automation, reliability, and performance.
• Collaborate with product managers to translate business requirements into technical solutions.
• Mentor junior engineers, offering technical guidance and conducting code reviews.
• Drive architectural decisions and technical strategy for Treasury systems.
• Contribute to our engineering culture through knowledge sharing and best practices.
• Partner with product and operational teams to transform complex liquidity risk scenarios into actionable insights for customer‑focused solutions.
• Document and present data‑driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives.

What we are looking for:

• A strong product mindset, prioritizing customer needs and making data‑driven decisions.
• A strong sense of ownership and excellent communication skills to drive cross‑team projects.
• Ability to work independently while also being a collaborative team player, frequently engaging in cross‑team efforts.
• The ability to break down complex projects into incremental milestones that deliver customer value.
• Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well‑tested code.
• Curiosity and a drive for continuous learning and improvement.
• Adherence to and advocacy for best coding practices, continuous delivery, and code reviews.
• Knowledge and experience with asynchronous messaging systems, such as Kafka.
• Knowledge of Java and Spring Boot is a plus.
• Experience working with relational databases, SQL query optimization, and schema design is a plus.
• Experience with big data technologies such as Hadoop, Spark, Flink, or similar. Familiarity with cloud platforms (e.g., AWS, GCP, Azure) and data warehousing solutions.
• A proven track record of leading technical initiatives and mentoring other engineers.

What does success look like?

You will have successfully onboarded and integrated into your team, understanding the team and tribe vision and how you can contribute.

You will understand how our values can guide your work.

You will understand our customers and the impact our product has on their lives.

You will identify technical challenges and opportunities, helping us build a world‑class product.

What do you get back?

The empowerment to solve problems in your own way.

The opportunity to have a real impact.

A fun work environment with social activities and events.

The opportunity to work with incredibly smart people.

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 visitWise.Jobs .