Senior Software Engineer

ECM Selection Ltd.; Cambridge; Hybrid; GBP 68,000 - 83,000; Full time

Benefits offered by this job

28 paid holidays + bank holidays

Bupa medical insurance

Bonus scheme

Job summary

ECM Selection Ltd. in Cambridge, United Kingdom, is seeking a skilled software engineer to design and deliver secure cloud platforms on the Microsoft stack. The role focuses on building microservices, REST APIs and front-end integrations using Angular/TypeScript.

You will work with C#, .NET and Azure, applying modern development practices including CI/CD, IaC, and Kubernetes. A hybrid pattern with two days of homeworking is offered, with a benefits package including healthcare and a bonus scheme.

Qualifications

• Demonstrable experience developing microservices or service-oriented architectures, including REST API design
• Strong skills with the Microsoft tech stack, including C#, .NET and Azure
• Good understanding of web application authentication and access control, such as OAuth
• Wide knowledge of modern development practices, including CI/CD, IaC, Kubernetes and containers
• Openness to AI-assisted development tools

Responsibilities

• Design and implement secure and resilient cloud platforms built on top of the Microsoft stack
• Develop software used across the organisation, its clients and customers
• Deliver high-quality software across cloud and service-based architectures

Skills

REST API design

OAuth

CI/CD practices

AI-assisted development

Tools

C#

ASP.NET

Angular

TypeScript

Azure

Kubernetes

JavaScript

OAuth

Docker

Claude Code

Job description

Salary: £75,000 - 75,000 per year

Requirements:

• Demonstrable experience developing microservices or service-oriented architectures, including REST API design and ideally a modern JavaScript front-end framework
• Strong skills with the Microsoft tech stack, including C#, .NET and Azure
• Good understanding of web application authentication and access control, such as OAuth
• Wide knowledge of modern development practices, including database design, CI/CD, Infrastructure as Code, Kubernetes and containers
• Openness to AI-assisted development tools

Responsibilities:

• Design and implement secure and resilient cloud platforms built on top of the Microsoft stack
• Develop software used across the organisation, its clients and customers
• Deliver high-quality software across cloud and service-based architectures

Technologies:

• AI
• API
• Azure
• C#
• CI/CD
• Cloud
• JavaScript
• Kubernetes
• OAuth
• REST
• Web
• microservices
• ASP.NET
• Angular
• Claude Code
• DevOps
• TypeScript

More:

We are a globally recognised engineering firm with a strong track record of innovation, built through a deliberate focus on learning, collaboration and inclusivity. Our Cambridge-based team works on software used across the organisation, its clients and customers. Our offices are located just to the south of Cambridge with good road and rail links, and we offer a hybrid working pattern with two days per week homeworking. Our benefits include 28 paid days holiday plus bank holidays, Bupa medical insurance and a bonus scheme.

last updated 38 week of 2026