software integration engineer jobs in Essex

Job Description A fantastic opportunity has arisen for an Integration & Test Engineer (Lab-Based) to join a specialist engineering department supporting complex system integration and proving activities within a secure, laboratory-based environment. This role performs hands-on integration, test and proving duties and reports into a senior engineer within the wider Integration and Systems...

Job Description C++ Software Engineer - Defence sectorInitial 3-month contractBasildon or Southampton (2-3 days onsite per week)£63.70ph, UMB, inside IR35Please note SC level Security Clearance is required for this role, please only apply if you hold live SC or are eligible. Our client, a leader in the Defence & Security sector, is seeking a C++ Software Engineer for an initial 3-month contract...

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 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.

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...

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...

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 collaborate with cross-functional teams to define specifications, deliver the product, and support its release. Knowledge needed:- 7+ years of Advanced C++- object-oriented (OOP) concepts- Experience with cross-compiling, GDB, JTAG. - Microprocessor and microcontroller architectures like Cortex-A series, ARM series, and other general-purpose microcontrollers.

Job Description 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...

Job Description Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come...

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# / .

You will technically lead ATE projects from concept to deployment, mentoring junior engineers and collaborating with cross-functional teams in hardware, firmware, and manufacturing to enhance product test coverage, throughput, and diagnostic accuracy. Key Responsibilities:

Job Description Software Developer Basildon 12-Month Contract Paying up to £65p/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: - Ability to work to software development process (from requirements capture through to Verification and...

Job Description A fantastic opportunity has arisen for an Integration & Test Engineer (Lab-Based) to join a specialist engineering department supporting complex system integration and proving activities within a secure, laboratory-based environment. This role performs hands-on integration, test and proving duties and reports into a senior engineer within the wider Integration and Systems...

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 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 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# .

Job Description A fantastic opportunity has arisen for an Integration & Test Engineer (Lab-Based) to join a specialist engineering department supporting complex system integration and proving activities within a secure, laboratory-based environment. This role performs hands-on integration, test and proving duties and reports into a senior engineer within the wider Integration and Systems...

Job Description 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...