Senior Full Stack Developer

Role Summary : Only 7+ years apply. We are seeking a highly skilled and motivated Senior Full Stack Developer to design, build, and maintain scalable, cloud-native applications across multiple technology stacks. The successful candidate will have strong experience developing modern web applications and distributed services using TypeScript, Node.js, Java/Kotlin, and Spring Boot, while working within an agile product delivery environment. This role requires hands-on development expertise, strong software engineering practices, and the ability to collaborate closely with Product Owners, Architects, DevOps Engineers, and business stakeholders to deliver high-quality solutions. Key Responsibilities : - Design, develop, test, and deploy full-stack applications and microservices. - Build responsive web applications and APIs using TypeScript and Node.js. - Develop robust backend services using Java/Kotlin and Spring Boot. - Integrate applications with cloud-native storage and services, including Amazon S3. - Design and implement RESTful APIs and event-driven architectures. - Write clean, maintainable, and well-documented code following engineering best practices. - Participate in solution design, code reviews, technical workshops, and architectural discussions. - Optimize application performance, scalability, security, and reliability. - Collaborate with DevOps teams to support CI/CD pipelines and cloud deployments. - Support troubleshooting, root cause analysis, and resolution of production issues. - Contribute to technical standards, development frameworks, and reusable components. Must-Have Qualifications : A successful candidate will typically have 5+ years of software engineering experience, with proven expertise in building scalable, cloud-native applications. Backend Development : - Strong commercial experience with : 1. Java and/or Kotlin. 2. Spring Boot. 3. Building REST APIs and microservices architectures. 4. Dependency injection and enterprise application design patterns. Full Stack Development : - Extensive experience with : 1. TypeScript. 2. Node.js. 3. Modern front-end frameworks such as React, Angular, or Vue.js. 4. API integration and full-stack application development. Database Technologies : - Experience with relational and/or NoSQL databases such as : 1. PostgreSQL. 2. MySQL. 3. MongoDB. 4. DynamoDB. Engineering Practices : - Strong understanding of : 1. Agile delivery methodologies. 2. CI/CD pipelines. 3. Automated testing. 4. Git version control. 5. Secure coding practices. 6. Performance tuning and monitoring. Nice-to-Have : - Experience in the UK financial sector or financial sector in general. - Knowing their strict compliance, risk, and security rules gives you a major edge. Desirable Skills : Cloud & Storage : - Hands-on experience with : 1. Amazon S3. 2. Cloud-native application development. 3. AWS services and infrastructure. - Experience with Kubernetes and container orchestration. - Knowledge of Apache Kafka or event-streaming platforms. - Experience with Infrastructure as Code (Terraform, CloudFormation). - Familiarity with GraphQL. - Experience working within regulated or enterprise-scale environments. - Exposure to domain-driven design (DDD) and event-driven architectures. - Knowledge of observability and monitoring tools such as Prometheus, Grafana, Datadog, or ELK.