Backend Kotlin Developer (Senior)
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Before you apply
LocationAdmiralty, Kowloon, Hong Kong
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentTechnology
EquityIncluded
Company size201–500 people
PostedOct 9, 2025 · 1y ago
Verified live23h ago
At a glanceSummarised by Seekless from the posting.
5+ years of experience in backend software development (Kotlin or Java)
Strong understanding of microservices, cloud deployment (AWS/GCP), and CI/CD pipelines (GitHub Actions)
Proficiency in SQL/NoSQL databases (PostgreSQL, MySQL, Redis)
Familiar with Docker, Kubernetes, and 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
Skills
Kotlin
Java
Kafka
Kubernetes
Redis
PostgreSQL
AWS
GCP
GitHub Actions
Docker
MySQL
REST
gRPC
GitHub
Benefits
Equity
Flexible work
Career growth
Learning development
Travel opportunity
About the company
At Kody, we’re redefining how businesses take payments and access financial services. As a fast-growing Fintech, we partner with some of the most recognised names in hospitality, F&B and retail across Hong Kong helping them modernise payments, settlement and digital financial experiences.
Our Hong Kong tech team runs like a startup within a scaling company i.e. agile, innovative and deeply product-driven. We’re now looking for a Senior Backend Engineer to help us build the next generation of payment and settlement infrastructure.
Why Join us?
•
Work with industry-leading brands in Hong Kong and across the region
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Join a fast-moving, innovative tech culture with the stability of a growing international company
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Build with modern tools and stacks: Kotlin, Kafka, Kubernetes, Redis, PostgreSQL, and cloud-native frameworks
•
Enjoy flexibility while working with a passionate, highly skilled engineering team
•
Access learning and development and the opportunity to travel for collaboration with our global tech teams
Your Role
As a Senior Backend Engineer, you’ll be at the heart of our platform designing and scaling systems that power Kody’s products, from payment gateways and settlement systems to mobile POS integrations and financial service APIs.
Responsibilities
•
Design, build, and maintain backend services and APIs (REST/gRPC)
•
Contribute to backend architecture and ensure system reliability and scalability
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Debug, troubleshoot, and optimise performance in production systems
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Collaborate with product, QA, and frontend teams to deliver robust, maintainable solutions
•
Write clean, efficient, and well-tested code
•
Stay current with modern backend and cloud technologies
Requirements
•
5+ years of experience in backend software development (Kotlin or Java)
•
Strong understanding of microservices, cloud deployment (AWS/GCP), and CI/CD pipelines (GitHub Actions)
•
Proficiency in SQL/NoSQL databases (PostgreSQL, MySQL, Redis)
•
Familiar with Docker, Kubernetes, and 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
Benefits
•
Competitive compensation and meaningful work impact
•
Equity available
•
Flexibility and a global, tech-driven culture
•
Career growth opportunities within a fast-scaling fintech
•
Work with ambitious teammates who think big and execute fast