Senior Back End Engineer

About This Role

Join a leading design and technology consultancy as a Senior Backend Engineer and work with one of their major enterprise clients on a large scale transformation project. You’ll work closely with the client’s internal teams and own backend services from design through to deployment and ongoing improvement. This role is perfect for someone who enjoys deep, complex system work and wants to make a real impact at scale.

Key Responsibilities

• Build and scale backend services using Node.js (Koa/Express) and Java SpringBoot

• Design, document, and maintain APIs using OpenAPI v3.0

• Develop event-driven features and integrations with Kafka

• Use Apache NiFi for low-code integrations

• Work across Postgres, RDS, DocumentDB, and MongoDB

• Deploy and operate services on AWS, using Kubernetes and Docker

• Use BitBucket and Bamboo for CI/CD (shifting toward GitHub Actions)

• Implement monitoring and alerting with Grafana, NewRelic, Opsgenie

• Ensure code quality and security through SonarQube and Snyk

• Collaborate closely with the client’s engineering and architecture teams

• Provide technical guidance and support to other developers

Tech Stack

NodeJS (Koa/Express), Java SpringBoot, Kafka, Apache NiFi, BitBucket, Bamboo → GitHub Actions, Grafana, NewRelic, Opsgenie, Apigee, OpenAPI v3.0, SonarQube, Snyk, Jira/Confluence, Kubernetes, Docker, RDS, Postgres, DocumentDB, MongoDB, AWS, IntelliJ IDEA

About You

• Experienced in backend development with Node.js and/or Java SpringBoot

• Comfortable working in complex enterprise environments

• Strong understanding of cloud hosting, containers, CI/CD, and API design

• You write clean, maintainable code and care about reliability and security

• You communicate well and collaborate with cross-functional teams

• Bonus: Experience with event-driven architecture, performance tuning, or observability tools

Our Values

• People First: Uplifting and understanding clients and team

• Push Boundaries: Challenging the status quo to bring innovation

• Built for the Long Haul: Prioritising sustainability over quick fixes

• Clear Communication: Essential to avoid miscommunication

• Driven by Curiosity: Finding excitement in doing and discovering

Offer

• Competitive Salary

• Great Work Culture

• Awesome office culture with fun social events, weekly cheese/drinks, monthly dinners, and frequent team lunches

• Commitment to personal growth, offering personalised development plans, group training, inspirational events, and lunch-and-learn sessions