Senior Developer - IAM

Vallum Associates; Sheffield; On-site; GBP 70,000 - 90,000; Full time

Job summary

Vallum Associates in the United Kingdom is seeking a Senior Developer to design and deliver scalable backend systems for enterprise use. You will work with Node.js, TypeScript, PostgreSQL and GCP, building REST APIs and microservices, and mentoring peers in a cloud-first environment.

Based in Sheffield, the role emphasizes performant, secure, and maintainable code, collaboration with product and DevOps teams, and adherence to Agile practices and CI/CD pipelines.

Qualifications

• Experience with Node.js and TypeScript in production systems.
• Strong PostgreSQL design, performance tuning and optimization.
• Experience deploying on Google Cloud Platform (GCP) using Cloud Run, GKE, Cloud Functions, Pub/Sub, Cloud Storage, IAM.

Responsibilities

• Design and develop scalable backend services using Node.js and TypeScript.
• Build RESTful APIs and microservices architectures.
• Develop and optimize PostgreSQL databases and queries.
• Deploy and manage applications on Google Cloud Platform (GCP).
• Collaborate with architects, product owners, QA, and DevOps teams.
• Perform code reviews and mentor junior developers.
• Drive performance, security, reliability, and operational excellence.
• Support CI/CD pipelines and automated deployments.

Skills

Node.js

TypeScript

PostgreSQL

GCP

Docker

Kubernetes

REST APIs

Agile

CI/CD

Microservices

Tools

Docker

Kubernetes

Job description

We are seeking a Senior Developer with strong expertise in Node.js, TypeScript, PostgreSQL, and Google Cloud Platform (GCP) to build and support scalable cloud-native applications for enterprise environments.

Key Responsibilities

• Design and develop scalable backend services using Node.js and TypeScript.
• Build RESTful APIs and microservices architectures.
• Develop and optimize PostgreSQL databases and queries.
• Deploy and manage applications on Google Cloud Platform (GCP).
• Collaborate with architects, product owners, QA, and DevOps teams.
• Perform code reviews and mentor junior developers.
• Drive performance, security, reliability, and operational excellence.
• Support CI/CD pipelines and automated deployments.

Required Skills

• Strong hands-on experience with Node.js and TypeScript.
• Expertise in PostgreSQL database design, performance tuning, and optimization.
• Experience with GCP services such as Cloud Run, GKE, Cloud Functions, Pub/Sub, Cloud Storage, and IAM.
• Knowledge of Docker, Kubernetes, and CI/CD practices.
• Experience designing and implementing REST APIs and microservices.
• Strong understanding of Agile delivery methodologies.

Preferred Skills

• Experience with NestJS, Express.js, Prisma, TypeORM, or Sequelize.
• Exposure to Terraform or Infrastructure as Code.
• Knowledge of monitoring and observability tools.