Job Description

Date Posted: 28/04/2025


Location: London


Job Type: Full time

Senior Back End Engineer

Location: London - hybrid

Full time - 35 hours

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Who are Just?

We're a FTSE 250 Financial Services company who specialise in retirement solutions and right now, our world is moving pretty quickly. With the defined benefit buy in / buy out space growing each year, Just continues to annually grow its business by over 4bn of assets.


We are a purpose driven company with compelling and credible goals. Quite simply, we help people achieve a better later life. We achieve this by providing competitive and innovative products, services, financial advice and guidance to help our customers achieve security, certainty and provide them with peace of mind in retirement.


That's who we are. We're a company on a mission: to become a beacon for the entire retirement industry. Because we believe everyone deserves a fair, secure, and fulfilling retirement.

Purpose:

We are looking for a Senior Backend Engineer to join our growing team, supporting the development of mobile and web applications. This role will focus on building scalable, secure, and high-performing backend services using GraphQL, C#, Kubernetes, and Azure, while also integrating with Dynamics 365.


You will work closely with frontend, mobile, and infrastructure teams to develop and maintain a robust platform that powers seamless digital experiences.

Job Role Accountabilities:

Design, develop, and maintain backend services using GraphQL and C#. Build scalable and efficient APIs to support mobile and web applications. Deploy and manage applications using Kubernetes, Helm, and Azure. Automate infrastructure provisioning and configuration using Terraform. Integrate and manage data flow between systems, including Dynamics 365. Optimize application performance, security, and reliability. Collaborate with cross-functional teams, including frontend developers, DevOps, and product managers. Troubleshoot and resolve technical issues efficiently. Implement best practices for CI/CD, cloud security, and API management. Document solutions, workflows, and architecture decisions.

Skills and Experience

Strong experience in backend development using C# and .NET. Experience working with GraphQL for efficient data querying. Hands-on experience with Kubernetes and Helm for container orchestration and deployments. Azure cloud expertise, including app services, networking, and monitoring. Proficiency with Terraform for Infrastructure as Code (IaC). Experience integrating with Dynamics 365 and other enterprise applications. Strong understanding of API security, authentication, and performance optimization. Experience working with microservices architecture. Solid problem-solving and debugging skills. Ability to work in a fast-paced agile environment and collaborate with cross-functional teams.

Company Benefits

A Competitive Salary, Pension Scheme and Life Assurance Along with 25 Days Annual Leave plus an Additional Day on us for your Birthday Private Medical Cover and Income Protection, just in case A generous and highly achievable bonus scheme - paid annually based on individual and company performance against targets Opportunity to progress within your career both in-role and within the company FREE access to the Headspace App, a 24/7 Employee Assistance Helpline and Trained Physical & Mental Health First Aiders (On-Site) A variety of Employee Funded Benefits available to you via our Online Benefits Portal * Plus, several additional purchase options available for you and your loved ones