Senior Software Engineer II - Treasury + Liquidity (Java)

Location: Global

Team: General

About the Role

Wise is a global technology company on a mission to build the best way to move and manage the world’s money with min fees, max ease, and full speed. Join our Treasury + Liquidity team as a Senior Software Engineer II to drive data-driven growth decisions and develop core functions that ensure Wise maintains sufficient cash in the right place at the right time while managing liquidity risk. You'll collaborate with product, analytics, data science, risk, and operations teams to design innovative systems for forecasting and liquidity management, directly impacting millions of users and advancing our Money Without Borders mission. In this role, you'll design and build scalable Java/Spring Boot services, implement real-time observability, lead technical initiatives for automation and performance, mentor juniors, and drive architectural strategy. Partnering cross-functionally, you'll translate complex liquidity scenarios into customer-focused solutions and present data-driven insights to stakeholders. With a strong product mindset and ownership, you'll break down challenges into value-delivering milestones in a flexible, global environment. Success means integrating into our team, embodying Wise values, understanding customer impact, and building world-class products. Enjoy empowerment to solve problems your way, real impact, development opportunities, a fun culture, and work with smart people across our international team.

Key Responsibilities

• Design, build, and maintain high-performance, scalable tools and services utilizing Java, Spring Boot, and cloud technologies
• 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 engineering culture through knowledge sharing and best practices
• Partner with product and operational teams to transform complex liquidity risk scenarios into actionable insights

Required Qualifications

• Strong product mindset, prioritizing customer needs and making data-driven decisions
• Strong sense of ownership and excellent communication skills to drive cross-team projects
• Ability to work independently while being a collaborative team player
• Ability to break down complex projects into incremental milestones that deliver customer value
• Experience with common design and architectural patterns, passion for writing clean, performant, and well-tested code
• Curiosity and drive for continuous learning and improvement
• Adherence to and advocacy for best coding practices, continuous delivery, and code reviews
• Proven track record of leading technical initiatives and mentoring other engineers

Preferred Qualifications

• Knowledge and experience with asynchronous messaging systems, such as Kafka
• Knowledge of Java and Spring Boot
• Experience working with relational databases, SQL query optimization, and schema design
• 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

Required Skills

• Java
• Spring Boot
• Cloud technologies
• Asynchronous messaging systems (e.g., Kafka)
• Relational databases
• SQL query optimization
• Schema design
• Big data technologies (Hadoop, Spark, Flink)
• Architectural patterns
• Real-time observability

Benefits

• Starting salary: £105,000 - £130,000
• RSUs (stock options)
• Flexible working
• Numerous development opportunities
• Learning budget
• Health insurance
• Company retreat
• Wise card

Wise is an equal opportunity employer committed to building a diverse workforce.