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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Backend Software Engineer - Recurring Payin

Requirements:

  • Design, develop, test, and maintain backend services written in Java and Kotlin using the Spring Boot framework, deployed on cloud infrastructure (AWS)
  • Build and maintain RESTful APIs that serve millions of customers across web and mobile platforms
  • Develop and optimise services powering the card pay-in payment method
  • Design and implement database schemas, write and optimise SQL queries against PostgreSQL databases handling high-volume transactional data
  • Build and maintain event-driven architectures using Apache Kafka for asynchronous processing of financial events across distributed services
  • Develop and maintain a payment orchestration system that dynamically routes payments across Payment Service Providers to optimize for cost and reliability
  • Write automated tests (unit, integration, and end-to-end) to ensure correctness and reliability of financial systems
  • Conduct code reviews for team members, ensuring code quality, security, and adherence to engineering standards
  • Participate in on-call rotations to monitor and respond to production incidents for Tier 2 critical services
  • Collaborate with product managers, designers, analysts, and engineers across other teams to deliver cross-functional projects
  • Identify and resolve performance bottlenecks, scalability issues, and technical debt in existing systems
  • Ensure development follows security best practices, particularly around handling of sensitive financial data and compliance with financial regulations

Nice to Haves:

  • Great communication skills and the ability to articulate complex, technical concepts to non-technical audiences
  • Ability to work independently while also being a good team player. Your work will frequently involve cross-team collaboration.
  • Ability to break down complex projects into incremental milestones that deliver customer value
  • Experience in developing web applications and distributed systems in a production environment
  • Experience with common design and architectural patterns coupled with a passion for writing clean code that is performant and well tested
  • Curiosity and drive for continuous learning and improvement
  • Following and advocating best coding practices, continuous delivery and code reviews
  • Experience working with relational and non-relational databases, query optimisation and designing schemas is a plus
  • Knowledge of Java and Spring boot and experience with a messaging system, like Kafka, is a plus

What You'll Be Doing:

  • You’ll have onboarded and found your place through understanding your team and tribe vision and how you can contribute
  • You’ll understand how our values can help you guide your work
  • You’ll understand the reasons behind problematic payments and customer difficulties and how to go about solving them
  • You’ll be raising the automation level to enable scaling of the product
  • You’ll understand our customers and the impact our product makes in their lives
  • You’ll help us scale-up and build a world class global banking product by finding solutions to our technical challenges and opportunities
AI Summary ✨
Wise logo

Wise

Greater London, UK

Experience: Senior
Posted: May 11, 2026
Last seen: 2 hours ago
backend

Why we track Wise

Wise (formerly TransferWise) is a London-based fintech that built international money transfers from scratch. They have major engineering hubs in Tallinn, London, and Budapest. The engineering challenges around real-time payments, compliance, and multi-currency infrastructure are technically deep.

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