The backend developer will build backend software focusing on reliable APIs, ensure high-quality output, and collaborate with teams.
Job Description
- Proficiency in backend web development in Typescript/Javascript (NodeJS).
- Proficiency in widely-used DBMS technologies, such as:
- MongoDB
- PostgreSQL
- Knowledge of version control (git)
- Experience in any of the following is an advantage:
- CQRS + Event sourcing
- Microservices
- REST
- GraphQL
- gRPC
- ActiveMQ
- Redis
- Docker
Responsibilities
- Participate in the entire application lifecycle focusing on building the backend software
- Write clean code and tests to develop a functional and reliable APIs for web applications
- Collaborate with Frontend Engineers to integrate APIs
- Build reusable code and libraries to simplify future developments
- Troubleshoot and debug applications
- Collaborate with various departments such as product and design to gather specifications and requirements
- Collaborate and work with QA to ensure high-quality output
- Follow emerging technologies
- Adapt to reasonable changes
10:00 AM - 6:00 PM UTC+01:00 or
4:00 PM - 12:00 AM GMT +8
Similar Jobs
Big Data • Fintech • Mobile • Payments • Financial Services
Design and build scalable backend systems, APIs, data models, event-driven services, experimentation platforms, and personalization systems. Partner with Product, Data Science, Analytics, and Design teams to support customer acquisition and engagement. Establish secure, observable, high-performance engineering practices, mentor junior engineers, and participate in monitoring, on-call, and operational support.
Top Skills:
A/B Testing FrameworksAWSFeature Flagging SystemsKafkaKinesisKotlinPython
Cloud • Security • Software • Cybersecurity • Automation
Build and operate Go-based automation for PostgreSQL provisioning, configuration, upgrades, failover, scaling, and decommissioning at GitLab.com scale. Develop a PostgreSQL-as-a-service platform, integrate cloud infrastructure and infrastructure-as-code tooling, improve database performance and reliability, and create safe upgrade automation. The role includes production ownership, architecture leadership, code reviews, documentation, cross-team collaboration, mentorship, and using AI agents in engineering workflows.
Top Skills:
Cloud InfrastructureGoInfrastructure As CodeKubernetesPostgresRuby On RailsSQL
Big Data • Fintech • Mobile • Payments • Financial Services
Design, develop, launch, and maintain scalable backend systems and APIs used by partners and merchants. Collaborate with engineering teams and stakeholders, balance delivery speed with system quality and reliability, navigate large codebases, debug software, conduct code reviews, and write clear, tested, extensible code using distributed-systems technologies.
Top Skills:
AWSKotlinKubernetesMySQLPython
What you need to know about the Belfast Tech Scene
If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.
