Senior Backend Kotlin Developer
KodyPay, also known as Kody, offers an all-in-one platform to simplify in-person commerce for businesses. It provides a suite of products including intuitive payment solutions, instant access to funds with the KodyCard, and powerful management and analytics tools. Partnering with Adyen N.V., Kody enables businesses to accept a wide range of payment methods, streamlining operations for both merchants and customers.
About KodyPay
KodyPay Ltd, registered in England and Wales, provides a comprehensive, all-in-one platform designed to simplify in-person commerce for businesses, particularly in the hospitality and retail sectors. The company's offerings include a suite of intuitive payment solutions such as terminals and online ordering, instant cash access via the KodyCard, and robust management tools with built-in loyalty and analytics features for understanding customer behavior. Through a partnership with financial services provider Adyen N.V., Kody supports a wide array of payment methods, including major credit cards and digital wallets like Apple Pay and Google Pay. The platform aims to enhance profit margins by improving the efficiency of the payment ecosystem, while also emphasizing personal customer service and handling processes like payment management, returns, and Know Your Customer (KYC) checks.
Skills
About the Role
You will design, build, and maintain backend services and APIs that power payment gateways, settlement systems, mobile POS integrations, and financial service APIs. You will contribute to backend architecture, ensure reliability and scalability, debug and optimise production performance, collaborate with product, QA and frontend, and write clean, well-tested code.
Requirements
- 5+ years of experience in backend software development (Kotlin or Java)
- Strong understanding of microservices and cloud deployment (AWS/GCP)
- Experience with CI/CD pipelines (GitHub Actions)
- Proficiency in SQL and NoSQL databases (PostgreSQL, MySQL, Redis)
- Familiarity with Docker and Kubernetes
- Experience with event-driven systems (Kafka)
- Solid understanding of APIs (REST, gRPC) and version control (GitHub)
- Familiarity with agile development processes
- Fluent in English (Mandarin or Cantonese a plus)
- Fintech, payment, or settlement background is a plus
Responsibilities
- Design backend services and APIs (REST/gRPC)
- Build and maintain backend systems
- Ensure system reliability and scalability
- Debug, troubleshoot, and optimise production performance
- Collaborate with product, QA, and frontend teams to deliver maintainable solutions
- Write clean, efficient, and well-tested code
- Stay current with backend and cloud technologies
Benefits
- Competitive compensation and meaningful work impact
- Equity available
- Flexibility and a global, tech-driven culture
- Career growth opportunities within a fast-scaling fintech
- Access to learning and development and travel opportunities