Freelance Software Engineer jobs in Chesterfield

Are you an Automotive Graduate or do you have a keen interest in Automotive Software, seeking a new challenge. If so Expleo have an opportunity for you. Expleo are recruiting for an Automotive Software Fleet Engineer, supporting our client, a Global Automotive OEM, based in Lancashire on a contact basis. Responsibilities of the Software Engineer include: • Updating current development fleet...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

You will work at the intersection of software engineering, quantum physics, and advanced hardware, enabling precise, reliable, and scalable quantum operations.

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including

Software Engineer Tech Stack: C# / .NET / Git / Azure Location: Fully Remote (no office travel required) Salary: £55,000 – £65,000 + Benefits This is an excellent opportunity to join a small but growing insurance software company, as they look to expand their development team. You’ll work across a variety of initiatives, including their core product development, system migrations, and...

You should be comfortable with most of our core technologies:

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

A fast-growing, product-focused tech business is looking for a Principal / Lead Software Engineer to guide a skilled engineering team based in Long Eaton. This is a primarily on-site role, with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems across web apps, APIs, and...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

Electronic Design / Embedded Software Engineer Location: Hybrid / Harpenden, Hertfordshire Salary: £55,000 – £65,000 + bonus (DOE) Hours: 40 hours per week (flexible within office hours) The Opportunity A specialist UK engineering consultancy is looking to hire an Electronic Design / Embedded Software Engineer to work on a wide range of technically challenging products across medical...

An exciting opportunity has arisen for a C# Software Developer to join a specialist simulation and experimentation team working on complex, real-time defence systems. This role sits within a highly technical environment, developing software that supports simulation, experimentation, verification, validation and training activities across advanced engineering programmes. The opportunity: -...

Senior Software Engineer (Robotics) 🤖 London (On-site, 5 days/week) Permanent role with excellent on-site benefits We’re looking for a Senior Software Engineer to help turn our advanced robotics stack into a dependable, real-world product. This is a hands-on role where you’ll write production code, integrate subsystems, and work directly with robots in both simulation and hardware environments...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We’re not just building powerful software—we’re building a team of...

Job Title: Functional Safety Software Engineer Location: Coventry Employment type: Permanent We are seeking an experienced Functional Safety Software Engineer to support the design, implementation, and verification of functional safety software in accordance with ISO 26262. The role focuses on functional safety system design, software validation, and compliance activities, with a strong...

You will be involved in: - Developing software for cyber security systems; - Developing novel signal, image, or data processing applications; - Developing solutions in C/C++, HTML, Typescript/Javascript, Python, and Rust; - Providing support and training to our customers in using the software.

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the services architecture. This role is ideal for an engineer who thrives in complex systems and is looking to develop new services that exploit a cloud-native ecosystem while modernizing legacy services into a containerized, cloud-native ecosystem.