Back End Developer

BAE Systems - Applied Intelligence; Guildford; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A global technology company in Guildford is seeking a Back End Developer who will analyze software requirements, develop secure REST API endpoints, and collaborate with teams. Essential skills include experience in C#, ASP.NET Core, and familiarity with RESTful APIs. The company promotes a hybrid working model supporting work-life balance and diversity.

Qualifications

• Experience in C#, ASP.NET Core Controller and Minimal APIs.
• Experience coding in T-SQL and MSSQL database best practices.
• Familiarity with RESTful APIs and integration is essential.

Responsibilities

• Analyse software requirements to define and document REST API endpoints.
• Develop and implement secure REST API endpoints using modern .NET.
• Collaborate with cross-functional teams to design and ship new features.

Skills

C#

ASP.NET Core

T-SQL

MSSQL Best Practices

RESTful APIs

CI/CD pipelines

Docker

GitLab

Tools

Swagger

Jira

Confluence

Job description

Location(s):UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : London

BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.

Back End Developer

As a Back end developer you will:

• Analyse software requirements to define and document REST API endpoints
• Develop and implement secure REST API endpoints using modern .NET
• Use appropriate software development tools; e.g. source control, continuous integration Ecper
• Follow industry standard disciplines and best practices
• Collaborate with cross‑functional teams to design and ship new features
• Translate API requirements into high‑quality, stable, secureand performant code
• Understand web vulnerabilities and best practices to avoid vulnerable code
• Troubleshoot and debug issues on various platforms to ensure smooth user experiences
• Participate in code reviews to maintain code quality and consistency

You can bring to the role:

• Experience in C#, ASP.NET Core Controller and Minimal APIs; (Essential)
• Experience of coding in T‑SQL and MSSQL database best practices; (Essential)
• Experience with unit and integration testing using tools such as xUnit; (Essential)
• Familiarity with RESTful APIs and integration; (Essential)
• Understanding of front‑end build tools such as Vite, NPM; (Essential)
• Understanding of CI/CD pipelines using software such as GitLab; (Essential)
• Familiarity with .NET librarie used by BAE Systems, such as FluentValidation, Dapper, Polly; (Preferred)
• Knowledge of modern authorization mechanisms such as JSON Web Tokens and PKI; (Preferred)
• Experience using OpenAPI specification tools such as Swagger, NSWAG; (Preferred)
• Comfortable developing on both Linux and Windows; (Preferred)
• Experience with containerisation technologies such as Docker, Docker compose; (Preferred)
• Experience with the Atlassian suite of tools (Jira, Confluence) for development, documentation, and Agile delivery; (Preferred)
• Knowledge of the wider Tech Stack used by BAE Systems, such as React, Keycloak, Elasticsearch, NiFi; (Preferred)

Life at BAE Systems Digital Intelligence

We are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.

By embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well‑being.

Diversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds – the best and brightest minds – can work together to achieve excellence and realise individual and organisational potential.

Division overview: Government

At BAE Systems Digital Intelligence, we pride ourselves in being a leader in the cyber defence industry, and Government contracts are an area we have many decades of experience in. Government and key infrastructure networks are critical targets to defend as the effects of these networks being breached can be devastating.

As a member of the Government business unit, you will defend the connected world and ensure the protection of nations. We all have a role to play in defending our clients, and this is yours.