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iO Associates - UK/EU
Contract Software Engineer

Contract Software Engineer

On site

Gloucestershire, United kingdom

£ 800 /day

Freelance

03-03-2026

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Skills

C/C++ Architecture Linux C++ VHDL

Job Specifications

Contract Software Engineer (DV Cleared)

6 Months (Initially)

Romsey OR Gloucester for On-site Work

€700-800 per day (Inside IR35)

iO Associates is proudly partnering an R&D client, specialising in developing cutting-edge technology for our National Security.

We are looking for a Software Engineer who holds a current DV clearance to join the team on an Initial 6 month basis (with a high likelihood of extension).

The role itself will involve designing, developing and optimising OpenCPI components and application for SIGINT and RF Systems.

Along with the additional tasks below:

Integrate OpenCPI solutions onto FPGA-based and embedded SDR platforms.
Support system architecture, trade studies, and technical design decisions.
Ensure robust, scalable and reusable OpenCPI-based implementations.

Key Responsibilities Involve:

Engineering & Development

Develop OpenCPI workers and containers in C/C++ and HDL (VHDL/Verilog where required).
Integrate DSP chains into FPGA and embedded Linux environments.
Conduct trade-off analysis across performance, latency and resource utilisation.
Support hardware/software integration in secure lab and customer environments.

Knowledge, Skills & Experience:

Demonstrable hands-on experience with OpenCPI framework.
Strong C/C++ development in embedded or Linux environments.
Understanding of digital signal processing (DSP) principles.
Experience integrating FPGA-based platforms (e.g. Xilinx or Intel toolchains).
Experience working within secure National Security or MOD environments.
Ability to troubleshoot complex integration and performance issues.
Experience working with SDR and RF signal processing systems

Due to the nature of the work, this is an on-site role. We can only consider contractors who have an active DV clearance for this position.

If you're interested, please apply to the link for consideration.

About the Company

Specialising in recruitment across the tech, digital, engineering, and government and defence sectors, iO Associates have extensive experience in securing the best talent to create the products and infrastructure of the future. Our dedicated team of highly experienced and knowledgeable consultants provide bespoke solutions, working with businesses to find the perfect fit across contract, interim, search, and permanent appointments. We offer end-to-end support, from Statements of Work and IR35 determination processes to full... Know more