Senior Backend Engineer - Java

Join Zepz: Breaking Down Borders, Together

Our Meaningful Mission

At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech. Zepz is the power behind WorldRemit and Sendwave, driven by the mission to celebrate the incredible impact migrants have, both at home and abroad. We're not just moving money; we're building a world that truly recognizes and supports global connections.

Who You'll Be Joining

We look for mission-driven builders who thrive in a fast-paced environment connected to a true purpose. We're an always developing team of experts that enjoy problem solving and bring clarity to tough challenges. At Zepz, we are Relentless Learners, always seeking feedback, and Responsible Owners, treating company resources like your own. We depend on Transparent Communicators who keep the team aligned through open, honest talk.

Our Core Commitments — What We Live By

Our vibrant and truly diverse culture is built on three core commitments, that guide how we work and interact:

• Integrity: We always do the right thing. It's simple, but it's the foundation of everything we build for our customers and each other.
• Outcomes: We work for our customers. Their success and prosperity are the results we focus on delivering.
• Velocity: We are fast! We maintain high energy levels and make smart decisions quickly, keeping us nimble and ahead of the curve.

Perks of Joining Our Team

We believe in empowering colleagues because we genuinely trust our team. Our culture is founded on this high trust, which naturally encourages the high ownership that drives us to meet our shared high expectations and deliver high performance. Our remote-first culture means you have the flexibility to work in your employing country wherever you feel the most focused and productive. This freedom comes with wonderful tailored, location-specific perks designed to support your whole life, not just your work. Think unlimited annual leave , great healthcare benefits, and employee discounts. We want you to thrive and focus entirely on making your biggest impact! In turn, we expect you to bring high ownership and commitment to your work. This is a place where we value trust and high performance, and we'll provide the environment and support needed for you to excel.

About the role

We count on you to help us build robust systems and tools for our Payments Resilience team, which plays a critical role in ensuring seamless money transfer experiences for customers sending funds from 50 countries into 150+ markets worldwide.

You will be joining a specialized team focused on managing and monitoring transaction health, resolving stuck transfers, and managing cancellations, reversals, and refunds. Our mission is to minimize operational losses through proactive monitoring, intelligent automation, and continuous process improvements.

What you will do

• Monitor and resolve payment issues: Track transaction statuses, identify stuck transfers, and implement solutions to ensure payments flow smoothly
• Build resilience tools: Develop microservices and automation tools that detect, alert, and resolve payment anomalies
• Process improvement: Analyze failure patterns and create systems to prevent recurring issues, reducing operational losses
• Data-driven insights: Create dashboards and monitoring solutions to track KPIs, transaction health metrics, and team performance
• Database expertise: Design and optimize complex SQL queries to analyze transaction data, identify bottlenecks, and support root cause analysis
• Cross-team collaboration: Integrate with various payment domains' APIs and work with internal and external platforms

What you will own

Reporting to the Senior Engineering Manager, you will:

• Write great code. We understand code is read more than it's written, better off tested and maintainability is a must.
• Help shape what we build. You'll be working closely with product owners, designers and other engineers to design and refine our work. We work as a team and your input is key.
• Design and influence technology evolution. We are designing new platform with long term goals in mind and are also happy to improve with new technology capabilities
• Own delivery. We're obsessed with shipping value; you'll own work beyond just a pull request. You'll care about bugs, scalability, uptime and other non-functional requirements.
• Growing together. You'll review others' work and happily seek feedback on yours to ensure we build a better codebase and sharpen each other's skills.
• Share your knowledge and points of view. We promote knowledge sharing across our Chapters and as such count on you to become an active member of one. Experiment with new tools, present your findings, shape our future standards.
• This role may require out of hours on-call.

What you bring to the table

• Strong experience of building APIs and services.
• Extensive experience in Java 17 or above
• Python knowledge (or strong willingness to learn)
• Strong SQL Proficiency and deep understanding of database structures, complex joins, query optimization, and data analysis
• Experience working with Microservices
• Experience working with REST, gRPC and GraphQL APIs (consumer and provider)
• Experience with unit and integration tests
• Happy in the Clouds. Our Cloud Native platform is hosted in AWS. You'll be comfortable working with a system that supports users from around the world, at scale.
• Bias for action. You see a problem, you fix a problem. You get buy-in for your solutions and keep tickets moving. We're always looking for ways to ship at pace.

Bonus points if you have

• Working knowledge of Spring Boot and Spring Cloud
• Knowledge of AWS native services
• CI/CD and IaaC tooling experience: Jenkins, Terraform, ArgoCD
• Experience with Relational and NoSQL databases

If you want to join us in our journey to help break barriers in financial access and improve lives globally, there's no better place or time to join.

Our global team of 800+ people is spread across six continents. We aspire to hire the best mix of people from former Olympians to YouTube influencers and we speak over twenty languages. This incredible diversity isn't a bonus; it's the engine that lets us serve the world.

Ready to Apply? Let's Go.