Software Engineer C#

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Contract Software Engineer – C# / Windows / Networking


We’re looking for an experienced C# Software Engineer to join a highly skilled engineering team working on complex, mission‑critical Windows desktop systems used in marine operational environments.


This is a hands‑on contract role, ideal for someone who enjoys solving tough technical problems, working close to the product, and contributing across the full software lifecycle.


What You’ll Be Doing

  • Delivering high‑quality Windows desktop software from design through deployment and support
  • Diagnosing and resolving software issues encountered in live operational environments
  • Working within an Agile team, contributing to sprint activities, reviews, and retrospectives
  • Reviewing code and influencing design decisions to ensure robust, maintainable solutions
  • Collaborating closely with System Test teams to track progress and resolve defects
  • Providing technical leadership and guidance to other engineers


What We’re Looking For

  • Strong background in professional software development
  • Expert-level C# experience building Windows desktop applications
  • Solid knowledge of .NET and Windows Forms
  • Proven experience developing multi‑threaded and distributed systems
  • Good understanding of TCP/IP and UDP networking, ideally in real‑time or data‑driven environments
  • Strong analytical and problem‑solving skills
  • Clear communicator who works well in collaborative, cross‑functional teams


This is an Inside IR35 contract role – please get in touch for information regarding rate.

”, “datePosted”: “2026-05-10”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Carbon60”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__428835593__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=21196” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “New Malden” } } }
Company: Carbon60
Apply for the Software Engineer C#
Location: New Malden
Job Description:

Contract Software Engineer – C# / Windows / Networking

We’re looking for an experienced C# Software Engineer to join a highly skilled engineering team working on complex, mission‑critical Windows desktop systems used in marine operational environments.

This is a hands‑on contract role, ideal for someone who enjoys solving tough technical problems, working close to the product, and contributing across the full software lifecycle.

What You’ll Be Doing

  • Delivering high‑quality Windows desktop software from design through deployment and support
  • Diagnosing and resolving software issues encountered in live operational environments
  • Working within an Agile team, contributing to sprint activities, reviews, and retrospectives
  • Reviewing code and influencing design decisions to ensure robust, maintainable solutions
  • Collaborating closely with System Test teams to track progress and resolve defects
  • Providing technical leadership and guidance to other engineers

What We’re Looking For

  • Strong background in professional software development
  • Expert-level C# experience building Windows desktop applications
  • Solid knowledge of .NET and Windows Forms
  • Proven experience developing multi‑threaded and distributed systems
  • Good understanding of TCP/IP and UDP networking, ideally in real‑time or data‑driven environments
  • Strong analytical and problem‑solving skills
  • Clear communicator who works well in collaborative, cross‑functional teams

This is an Inside IR35 contract role – please get in touch for information regarding rate.

Posted: May 10th, 2026