Trainee Software Engineer jobs in Chelmsford

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.

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 be required to be on-site 3 days per week, in Basildon. This is an intial three month project - there is a strong likelihood of extension or movement onto a follow-on project depending on programme need and performance. Required Skills & Experience - Strong experience with C# / .

Job Description 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,...

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

Job Description 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...

Job Description 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,...

Senior Front-End Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re looking for a Senior Front-End Developer to join our engineering team and help build an advanced resource planning tool. You’ll focus on creating scalable, high-performing, and user-friendly interfaces that deliver an...

Job Description Job title: C++ 20/23 Software Engineer Client: Elite FinTech Firm Salary: Up to £150k + Bonus Location: London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices. An Elite Tech...

Job Description Job Title: SC Cleared Software Engineer Location: Farnborough, Malvern or Portsmouth Duration: 6 months with possible extension Rate: Up to £745.00 via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Our client, a leading organisation supporting maritime test and evaluation facilities, is hiring for a talented Software Engineer to...

You will work closely with developers on Next.

Job Description Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем...

Job Description 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...

You will be a key part in a community of world-class software engineers who will continuously improve, collaborate and innovate with other engineers to create market-leading products within the defence industry. What we are looking for: Understanding and knowledge of one or more of the following:

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# .

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

You will tackle technical challenges that bridge software engineering with real-world manufacturing processes. This role blends hands-on technical expertise with leadership responsibilities, offering both team mentorship and active involvement in architecture, design, process improvement, and code review.

Job Description Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance – please only apply if suitable Key Responsibilities: - C++ software development - Development of new applications to meet user expectations and within formal...

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.

Job Description Job title: Frontend Software Engineer (5+ Years) Client: Elite FinTech Firm Salary: Up to £200k + Bonus Location: London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices. An...