Just IT
Backend developer
Backend developer at Just IT, based in London, South East England, paying £45,000 - £50,000 per annum. This is a contract role with hybrid working.
- Pay
- £45,000 - £50,000 per annum
- Hours and contract
- Contract · Hybrid
- Location
- London, South East England
- Closing date
- Sector
- Software Developer
34% below the typical rate for software developer
Reference 57553139
About the role
Backend Developer - Job Summary
Role: Backend Developer
6month fixed term position
Reporting to: Development Team Lead
Location: London (Hybrid) 2 days a week in December 1 day a month thereafter
Overview
My client is seeking a Backend Developer to support the modernization of its digital platforms and cloud infrastructure. The role focuses on maintaining and enhancing backend systems, supporting the migration from the legacy Tridion CRM platform to Salesforce, and developing scalable cloud-based solutions within AWS.
Key Responsibilities
- Support the decommissioning of the legacy Tridion CRM system.
- Develop, maintain, and troubleshoot applications built in C# and .NET Framework 4.7.2.
- Build and maintain RESTful APIs and backend services.
- Support integrations between Salesforce and internal systems.
- Maintain AWS serverless solutions using Lambda and API Gateway.
- Work with Microsoft SQL Server, including queries, stored procedures, and data migration activities.
- Collaborate with developers, testers, analysts, and infrastructure teams in an Agile environment.
Essential Skills & Experience
- Strong experience with C# and .NET Framework.
- Experience with AWS Lambda and API Gateway.
- Solid knowledge of SQL Server.
- Experience developing and integrating REST APIs.
- Understanding of SOLID principles and object-oriented programming.
- Strong troubleshooting and analytical skills.
- Good communication and teamwork abilities.
Desirable Experience
- Salesforce API integrations.
- Working with legacy CRM/CMS platforms, especially Tridion.
- Data migration and application decommissioning projects.
Key Challenges
- Understanding and maintaining an established legacy codebase.
- Supporting the transition from Tridion to Salesforce with minimal business disruption.
- Identifying undocumented integrations and dependencies.
- Ensuring data integrity throughout migration activities.
- Balancing project work with ongoing support responsibilities.
Ideal Candidate Profile
This role would suit a mid-to-senior Backend Developer with strong C# experience who enjoys working on system modernization, cloud technologies, and complex integration projects. Experience supporting legacy systems and business-critical migrations would be highly valuable.
If you have strong C# experience spanning across 3- 4 years then apply now for a quick conversation as the client needs an immediate starter.
Reference: 57553139 · Posted 33 minutes ago · Closes 22 Dec 2026 · Listed via Just IT
Apply for this job
This role is listed via Just IT. Applications are handled on the employer's site.
Apply on employer siteOpens the employer's website in a new tab.
Signed in? Every job you apply for counts toward your weekly goal and badges. How it works
Safe applying: a genuine employer will never ask you to pay for a DBS check, training or equipment, or move you onto WhatsApp before you are hired. If this listing does, report it and do not pay anything.