Sr. Backend API Developer

About the role

This opportunity offers the chance to design and build production-grade backend services for enterprise applications, with a strong focus on cloud-native microservices, REST APIs, and scalable integration solutions. The role will suit a technically strong software engineer who can contribute to architecture discussions, software quality, performance optimisation, and reliable delivery across distributed global teams. This position will play a key part in developing secure, high-performance backend systems in a modern engineering environment.

Responsibilities

• Design and build production-grade backend services for enterprise applications
• Develop cloud-native microservices, REST APIs, and scalable integration solutions
• Contribute to technical design and architecture discussions for enterprise-grade applications
• Troubleshoot complex production issues, perform root-cause analysis, and drive performance optimisation
• Collaborate with Product Owners, Architects, DevOps teams, QA teams, and business stakeholders across distributed global teams and time zones

Required Experience

• Strong experience building production-grade enterprise software using Java or Python
• Hands-on experience developing cloud-native microservices, REST APIs, enterprise integrations, and scalable backend solutions
• Experience contributing to technical design and architecture discussions for enterprise-grade applications
• Experience troubleshooting complex production issues, performing root-cause analysis, and driving performance optimisation
• Experience collaborating with Product Owners, Architects, DevOps teams, QA teams, and business stakeholders across distributed global teams and time zones

Required Skills

• Java with Spring Boot preferred, or Python using FastAPI, Flask, Django, or equivalent
• Working knowledge of Golang
• Strong RESTful API design and development skills, including API Gateway patterns and OpenAPI / Swagger
• Strong Linux/Unix administration and troubleshooting skills, including Shell/Bash scripting
• Experience with Docker, Kubernetes, Helm, and cloud technologies including AWS, Azure, and/or GCP
• Knowledge of Git, GitHub, GitLab, or Bitbucket, along with automated build, test, and deployment pipelines
• Strong understanding of microservices architecture, event-driven architectures, and message brokers such as Kafka or RabbitMQ
• Experience working with relational and NoSQL databases
• Testing expertise using unit testing frameworks such as JUnit, PyTest, Mockito, test automation, API testing tools such as Postman, and static code analysis tools including SonarQube
• Knowledge of monitoring and observability tools including Grafana, Prometheus, and ELK
• Strong grounding in design patterns, SOLID principles, high availability, scalability design, log analysis, and debugging
• Strong ownership, accountability, independent working capability, and effective stakeholder communication

Preferred Qualifications

• Experience in the telecommunications domain
• Knowledge of TM Forum Open APIs including TMF620, TMF641, TMF622, TMF633, TMF638, and TMF640
• Experience implementing Telecom OSS/BSS integrations
• Experience with Kubernetes-based deployments in production environments
• Familiarity with Infrastructure as Code tools such as Terraform or Ansible
• Understanding of distributed systems and cloud-native architecture patterns