Senior Software Engineer II - Treasury Operating Product Liquidity (Java)

Wise; City Of London; Hybrid; GBP 105,000 - 130,000; Full time

Job summary

A financial technology company in London is seeking a Senior Engineer to drive data-driven solutions and lead initiatives in liquidity management. The role involves close collaboration with cross-functional teams to enhance operational efficiency and impact millions of users. A successful candidate will have a strong product mindset, excellent communication skills, and a background in Java and Spring Boot. This position offers a competitive salary and numerous development opportunities.

Benefits

Starting salary: £105,000 - £130,000

Numerous development opportunities

Fun work environment with social activities

Opportunity to work with smart people

Qualifications

• A strong product mindset prioritizing customer needs and data-driven decisions.
• Excellent communication skills to drive cross-team projects.
• Proven ability to work independently and as part of a team.
• Experience in leading technical initiatives and mentoring engineers.

Responsibilities

• Design, build, and maintain high-performance tools using Java, Spring Boot.
• Implement real-time observability for liquidity management systems.
• Drive architectural decisions for Treasury systems.
• Document and present data-driven results to stakeholders.

Skills

Data-driven decision making

Cross-team collaboration

Customer-focused solutions

Mentoring junior engineers

Experience with asynchronous messaging systems

Strong ownership

Writing clean, well-tested code

Curiosity and continuous learning

Tools

Java

Spring Boot

Kafka

SQL

Hadoop

Job description

Overview

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

We are seeking a Senior Engineer passionate about the 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.
• Numerous development opportunities.
• A fun work environment with social activities and events.
• The opportunity to work with incredibly smart people.

Interested? Find out more

• How we work – a practical guide
• DEI at Wise
• Wise Tech Stack (2025 update)
• Our Engineering career map
• Scaling our Infrastructure; how we make it work
• Wise Engineering – Wise Engineering on Medium

What do we offer

• Starting salary: £105,000 - 130,000k
• Wise Benefits

#LI-AB3 #LI-Hybrid

Additional Information

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.

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