Back End Developer (Senior) (Java + Python + JavaScript/TypeScript/Node.js + Kubernetes and Serverless + Unit Testing + Integration Testing + End-to-End testing)

Introduction We are looking for an experienced Senior Back-End Developer to join a dynamic global technology environment and contribute to the development of innovative, cloud-native software solutions.

The successful candidate will be responsible for designing, developing, deploying and operating production-ready backend applications within a distributed, highly scalable technology landscape.

This is an exciting opportunity for a senior technical professional who enjoys solving complex problems, working with modern cloud technologies and contributing to high-performing Agile development teams.

Key Responsibilities:

Design, develop, deploy and operate production-ready backend applications. Develop scalable and resilient distributed systems and cloud-native applications. Design and implement RESTful APIs and backend services. Work with microservices and containerised architectures. Develop and maintain cloud-based solutions, with a strong focus on AWS. Implement automated deployment and configuration processes. Develop and maintain CI/CD pipelines. Apply secure software development practices and cloud-security patterns. Monitor applications and contribute to observability, logging and operational excellence. Participate in 24/7 production support and incident resolution when required. Identify technical risks, impediments and dependencies and proactively address or escalate them. Apply software architecture and design patterns to complex technical challenges. Implement comprehensive automated testing, including unit, integration and end-to-end testing. Produce technical and system documentation in accordance with required standards. Collaborate with customers, internal teams and external technology partners. Contribute to Agile and Scrum ceremonies and delivery activities. Share technical knowledge and mentor junior and intermediate team members. Continuously improve existing products, systems and technical processes.

Essential Skills

10+ years of production experience in backend software development. Strong experience with one or more of the following: Java – preferred Python JavaScript / TypeScript / Node.js Strong knowledge of Microservices Architecture. Experience with cloud-native solutions and container architectures. Proven experience designing, developing and operating distributed systems. Strong experience with AWS cloud technologies, preferably including: Kubernetes Serverless API Gateway CloudWatch ECS Lambda OpenSearch RDS S3 Experience with Infrastructure as Code, preferably Terraform. Strong experience with both SQL and NoSQL databases. Experience developing and managing CI/CD pipelines, preferably using GitHub Actions. Experience with automated deployment and system configuration. Experience with monitoring, observability and log analytics. Strong experience designing and implementing RESTful APIs. Strong Git experience. Knowledge of software design and architecture patterns. Understanding of secure software development practices. Strong automated testing experience, including: Unit Testing Integration Testing End-to-End Testing Experience working within Agile and Scrum environments.

Advantageous Skills

Apache Kafka and Kafka Streams Event-driven architecture and solutions Design and evaluation of efficient algorithms Complexity Theory Performance testing Performance tuning Experience with highly scalable and distributed applications

Qualifications

Relevant IT Degree, Computer Science qualification or equivalent practical experience. Cloud certification is advantageous. AWS Developer Associate certification or higher is preferred. AWS Professional-level certification will be highly advantageous.