Senior Software Engineer I Send (Java, Backend) High Volume Team

Job Description

About the role:

At Wise we believe exceptional products are built by exceptional people not just processes or leadership. Were a customer-obsessed company where every line of code every design decision and every optimisation directly serves one purpose: to make our customers lives better. We foster a culture of high autonomy and accountability looking for individuals who thrive on solving real problems and driving tangible impact.

Were seeking a Backend Engineer who is keen to rapidly accelerate their career and make a monumental impact on a critical area of our business. If you possess a relentless curiosity a deep sense of ownership and an unshakeable enthusiasm for tackling complex challenges that directly benefit millions of users this role is for you.

What will you be working on

You will join our High Volume team who is on a mission to profoundly improve the experience for our customers making significant transactions alleviating their anxieties and ensuring their financial needs are met with ease and confidence. While this naturally drives substantial growth in our cross-currency volume (a potential annual increase worth billions) our core focus is always on the customer.

In this role you will be instrumental in:

• Simplifying Complex Transactions: Developing and implementing robust backend solutions that make sending large amounts cross-border significantly less cumbersome and more convenient for our customers.

• Reducing Customer Anxiety & Building Trust: Crafting systems that create clear awareness about potential challenges with large transactions and help customers plan ahead ensuring their funds are transferred smoothly and on time. Your work will directly enhance reliability and transparency fostering greater trust.

• Empowering Through Education & Features: Building tailored flows that enable such high volume customers to easily discover and learn about everything Wise can do for them ensuring they dont need to look elsewhere for their financial needs.

• Delivering Missing Functionality: Collaborating closely with Product Managers Designers and Analysts to bring new essential features to life. This includes increasing in-product limits systemising exceptions for large transfers and laying the groundwork for future game-changing features that address sophisticated financial needs.

• Driving Engineering Excellence: Contributing to the design development and deployment of scalable reliable and maintainable backend services. Youll engage in systematic thinking from first principles applying strong problem-solving abilities algorithms and data structures to decompose complex problems.

• Learning & Growing: Working alongside experienced engineers youll rapidly expand your technical capabilities understanding of distributed systems and product intuition. Youll be actively coached and mentored with opportunities to take increasing ownership of initiatives and influence technical direction.

• Customer-Centric Impact: Continuously asking why are we building this and connecting your technical contributions directly to making our customers lives better. Your work will directly impact customer satisfaction and trust by improving the fundamental mechanics of high-value money movement.

What do you need

• A Product Engineer Mindset: Youre an engineer first but you think like a product owner. Youre inherently curious about the why behind the what and youre driven by solving real customer problems not just writing code.

• Fundamental Technical Strength: A solid grasp of computer science fundamentals including data structures algorithms and systematic problem-solving. Youre keen to apply these to build scalable correct and performant systems.

• A Builders Spirit: You are excited by the prospect of building new features and improving existing ones to deliver tangible customer value. You see a current need for more engineering capacity as an exciting opportunity to step up and make a difference.

• Ownership DNA: You care about outcomes not just shipping code. You take pride in seeing your work through from conception to deployment and beyond.

• Exceptional Learning Velocity: You absorb new concepts technologies and domain knowledge at an incredible pace eager to push your boundaries and grow beyond your current experience level.

• Collaborative & Humble: You are a joy to work with confident in your abilities but humble enough to learn from others and contribute positively to team dynamics. We specifically avoid ego-driven personalities.

• Backend Proficiency: Experience with backend development (e.g. Java Kotlin Python Go or similar) understanding of API design and database interactions. Experience with distributed systems or microservices is a bonus but a strong desire to learn and master these is key.

What do we offer: 

• Direct Impact: Work on problems with massive business impact directly affecting billions in customer volume and revenue.

• Unparalleled Growth: Accelerate your career in an environment that prioritises learning mentorship and significant ownership. Youll be empowered to tackle challenges with the support system to succeed.

• Autonomy & Accountability: Be trusted to own initiatives and see your ideas come to life with minimal oversight.

• World-Class Colleagues: Learn from and collaborate with a team of exceptional product managers designers analysts and engineers who are at the top of their game.

• Real-World Problems at Scale: Join a company that is no longer a scrappy startup but a profitable A-game player solving complex challenges for millions of users globally competing for talent with the best in the world.
   

  Interested Find out more:

• How we work a practical guide

• DEI @ Wise

• Wise Tech Stack (2025 update)

• Our Engineering career map

• Scaling our Infrastructure; how we make it work

• Wise Engineering salary:  RSUs

• Wise Benefits

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