Lead Developer

Experis

  • London
  • Contract
  • Full-time
  • 2 days ago
Working within an agile digital delivery team developing and supporting a mission critical application for the UK MOD, with instances hosted on both a secure cloud platform (AWS) and on VMs hosted a managed on-prem hosting environment. The application is extant and Live. You are to be the senior developer leading the ongoing development and support of the application, including designing, developing, integrating and unit testing new features in response to Product Owner / Client priorities and fixing bugs/issues raised on the Live application. You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL / Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. You will be comfortable using the supporting tools for Agile product delivery such as JIRA (User Story / Defect / Task Management), Confluence (Documentation / Comms), and Slack (collaboration / comms).Key Responsibilities
  • Lead development of microservices and front-end components using Node.js (TypeScript) and React (TypeScript).
  • Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations.
  • Design and implement PostgreSQL schemas, migrations, and triggers; ensure data integrity and performance.
  • Integrate with Identity and Access Management (IdAM) systems.
  • Ensure secure coding practices and compliance with platform security posture.
  • Collaborate with UX, QA, and DevSecOps teams to deliver accessible, performant, and maintainable features.
  • Monitor and troubleshoot applications
  • Contribute to design discussions, code reviews, and maintain documentation in Confluence.
Essential Technical SkillsLanguages & Frameworks
  • TypeScript (Proficient) - primary language for backend and frontend.
  • React (Proficient) - SPA development, state management, performance optimization.
  • js (Proficient) - microservices architecture.
  • GraphQL (Working) - queries, mutations, schema awareness.
  • SQL (PostgreSQL) (Working) - schema design, queries, migrations.
  • JavaScript (Working) - legacy code and Jest tests.
  • Go (Awareness) - infrastructure tooling and services.
  • Python (Awareness) - Airflow DAGs and automation scripts.
Infrastructure & Cloud
  • AWS (EKS, S3, IAM)
  • Kubernetes fundamentals (pods, services, ingress, Istio, Traefik).
  • Containerization with Docker/containerd.Observability
Collaboration Tools
  • Jira, Confluence, Slack, Figma.
Clearance:MOD SC - UK National required.Travel:Hybrid role, predominantly remote, but some travel to Client site will be required (estimate 1-2 times per month to London and/or the South / South-East).Share this jobEmma Johnston E-mailManpowerGroup (NYSE: MAN), the leading global workforce solutions company, helps organisations transform in a fast-changing world of work by sourcing, assessing, developing and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organisations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands - Manpower, Experis and Talent Solutions - creates substantially more value for candidates and clients across 8 countries and territories and has done so for 70 years.

Experis