Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
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Software Engineer (PHP, Playwright, k6)
Software Engineer (PHP, Playwright, k6)
Pro Contract Jobs Ltd
Bristol (BS1)
From £500 to £550 per day Outside IR35
The organisation is strengthening its mobile and API security capabilities and is seeking an click apply for full job details
The organisation is strengthening its mobile and API security capabilities and is seeking an click apply for full job details
Pay Rate: £500-£550 (Outside IR35) Duration: 6 months' Working arrangement: Once a month - Bristo
Pay Rate: £500-£550 (Outside IR35) Duration: 6 months' Working arrangement: Once a month - Bristo
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API integration experience and an API-first approach
API integration experience and an API-first approach
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.NET Azure Integration Developer - OUTSIDE IR35 - Fully Remote
.NET Azure Integration Developer - OUTSIDE IR35 - Fully Remote
Sanderson Recruitment
Bristol (BS1), BS1
£400 - £450 per day
Knowledge of Azure API Management desirable.
Knowledge of Azure API Management desirable.
FEATURED
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Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
Strong understanding of software architecture, API design, and scalable distributed systems
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Solid hands-on experience with AWS (e.g. Lambda, API Gateway, S3, DynamoDB, etc.).
Solid hands-on experience with AWS (e.g. Lambda, API Gateway, S3, DynamoDB, etc.).
Software Engineer Rust
Software Engineer Rust
Richmond Square Consulting Limited
Cheltenham (GL50)
From £70,000 to £90,000 per annum Plus Bonus and Benefits
Producing technical documentation including design specifications, API documentation, and operational runbooks
Producing technical documentation including design specifications, API documentation, and operational runbooks
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If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
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SC Cleared Technical Architect - Defence
SC Cleared Technical Architect - Defence
Sanderson Government and Defence
Corsham (SN13), SN13
£650 - £675 per day
Role: Technical Architect - Location: remote / Corsham - Duration: 6 months - Clearance: SC - Rate: £650 - £675 - We are seeking an experienced Technical Architect to support a major defence programme, delivering secure, scalable and resilient solutions across complex environments. Your Role - You will lead the design and assurance of technical architectures, ensuring alignment with operational and business needs while meeting strict defence and security standards. Key Responsibilities * Develop high- and low-level technical designs across defence systems * Design secure architectures spanning hybrid cloud, data platforms, secure networks, and edge environments * Support integration across MOD, allied, and industry systems * Ensure compliance with MOD standards, NCSC CAF, ISO 27001, and Zero Trust principles * Contribute to technical governance, design reviews, and assurance activities
Role: Technical Architect - Location: remote / Corsham - Duration: 6 months - Clearance: SC - Rate: £650 - £675 - We are seeking an experienced Technical Architect to support a major defence programme, delivering secure, scalable and resilient solutions across complex environments. Your Role - You will lead the design and assurance of technical architectures, ensuring alignment with operational and business needs while meeting strict defence and security standards. Key Responsibilities * Develop high- and low-level technical designs across defence systems * Design secure architectures spanning hybrid cloud, data platforms, secure networks, and edge environments * Support integration across MOD, allied, and industry systems * Ensure compliance with MOD standards, NCSC CAF, ISO 27001, and Zero Trust principles * Contribute to technical governance, design reviews, and assurance activities
FEATURED
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
Vulnerability Researcher - Cheltenham, UK * Base salary up to £85,000 depending on experience * Hybrid working, average 3 days onsite per week * Active SC clearance required minimum - About the client - Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits * Compressed working week option (4 or 4.5 days) * Annual bonus scheme * Enhanced family friendly and sick pay policies * Access to flexible benefits including health and wellbeing options * Additional cash bonus opportunities - The Vulnerability Researcher role
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Software Engineer (Python / React)?? Cheltenham Area - on site - Contract: Inside IR35, 12 months+ The Opportunity - We are seeking talented Software Engineers to join a cutting-edge programme supporting UK Intelligence customers. These roles focus on building modern, cloud-native applications and services that enable the operational use of AI and data-driven capabilities. While detailed job specifications are still being finalised, the mission, technology stack, and innovation culture make this a highly compelling opportunity. What You'll Be Doing * Develop user-facing applications, APIs, and backend services - o Python - o FastAPI - o React * Enable the integration and operational use of AI and data-driven capabilities * Contribute to scalable, cloud-native application development * Artificial Intelligence * Machine Learning * Natural Language Processing (NLP) * Cloud-native engineering
Software Engineer (Python / React)?? Cheltenham Area - on site - Contract: Inside IR35, 12 months+ The Opportunity - We are seeking talented Software Engineers to join a cutting-edge programme supporting UK Intelligence customers. These roles focus on building modern, cloud-native applications and services that enable the operational use of AI and data-driven capabilities. While detailed job specifications are still being finalised, the mission, technology stack, and innovation culture make this a highly compelling opportunity. What You'll Be Doing * Develop user-facing applications, APIs, and backend services - o Python - o FastAPI - o React * Enable the integration and operational use of AI and data-driven capabilities * Contribute to scalable, cloud-native application development * Artificial Intelligence * Machine Learning * Natural Language Processing (NLP) * Cloud-native engineering
FEATURED
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Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
Full Stack Software Lead - National Security - Join our growing team and help strengthen the UK's safety and resilience. We're a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments. As a Full Stack Software Lead, you'll deliver mission critical solutions for National Security customers - building products that protect people, platforms, missions and information against evolving threats. You'll help customers use data to improve mission outcomes, lead teams hands-on, and mentor others while working at the forefront of innovation. * You'll lead a team delivering valuable increments across back-end technologies. * Partner with engineering and customer technical leaders to shape the roadmap.
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Server Infrastructure Engineer
Server Infrastructure Engineer
CBSbutler Holdings Limited
Blandford Forum (DT11)
£550 - £600 per day + Outside IR35
+9 months + +On site in Blandford +SC cleared role +Outside IR35 +£550 - £600 a day - We are seeking a skilled and motivated Server Infrastructure Engineer to support the management, maintenance, and assurance of secure testbed environments that enable critical digital development, integration, and innovation activities within the Defence sector. Working as part of a specialist engineering team, you will be responsible for maintaining both on-premise and cloud-hosted infrastructure environments, ensuring secure, reliable, and continuous support for development activities, testing, exercises, and emerging AI capabilities. This is an exciting opportunity for an infrastructure professional with Defence CIS experience who enjoys working across server technologies, cloud platforms, virtualisation, networking, and cyber security. Key Responsibilities
+9 months + +On site in Blandford +SC cleared role +Outside IR35 +£550 - £600 a day - We are seeking a skilled and motivated Server Infrastructure Engineer to support the management, maintenance, and assurance of secure testbed environments that enable critical digital development, integration, and innovation activities within the Defence sector. Working as part of a specialist engineering team, you will be responsible for maintaining both on-premise and cloud-hosted infrastructure environments, ensuring secure, reliable, and continuous support for development activities, testing, exercises, and emerging AI capabilities. This is an exciting opportunity for an infrastructure professional with Defence CIS experience who enjoys working across server technologies, cloud platforms, virtualisation, networking, and cyber security. Key Responsibilities
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We're seeking an experienced Android Developer to join a growing technology team delivering innovative solutions within the Defence sector. Must be either SC Cleared or willing to undergo (sole UK Nationality) This is an opportunity to work on hi tech projects that make a real-world impact, developing secure, high performance mobile applications in a collaborative Agile environment. What You'll Be Doing * Designing, developing and maintaining Android applications using modern development practices. * Collaborating with cross-functional teams including software engineers, testers and product stakeholders. * Contributing to application architecture, performance optimisation and code quality initiatives. * Supporting the full software development lifecycle from concept through to deployment. What We're Looking For
We're seeking an experienced Android Developer to join a growing technology team delivering innovative solutions within the Defence sector. Must be either SC Cleared or willing to undergo (sole UK Nationality) This is an opportunity to work on hi tech projects that make a real-world impact, developing secure, high performance mobile applications in a collaborative Agile environment. What You'll Be Doing * Designing, developing and maintaining Android applications using modern development practices. * Collaborating with cross-functional teams including software engineers, testers and product stakeholders. * Contributing to application architecture, performance optimisation and code quality initiatives. * Supporting the full software development lifecycle from concept through to deployment. What We're Looking For
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Market National Security & Defense - At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact - Are you ready to design and deliver innovative software solutions that solve real-world challenges? At Jacobs, were growing our UK Digital & Data team and seeking experienced Java Software Engineers to join us. This is your opportunity to work on impactful projects across diverse sectors, including water, transportation, defence, and government, while collaborating with multidisciplinary teams to create scalable, high-performance back-end services.
Market National Security & Defense - At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact - Are you ready to design and deliver innovative software solutions that solve real-world challenges? At Jacobs, were growing our UK Digital & Data team and seeking experienced Java Software Engineers to join us. This is your opportunity to work on impactful projects across diverse sectors, including water, transportation, defence, and government, while collaborating with multidisciplinary teams to create scalable, high-performance back-end services.
Software Engineer
Software Engineer
Richmond Square Consulting Limited
Cheltenham (GL50)
From £60,000 to £90,000 per annum Plus Bonus and Benefits
Cheltenham / Hybrid - My client is looking for a strong Software Engineer / Polyglot Engineer / Application Developer / Software Developer to join a growing UK technology business delivering secure software, mobile, and cloud-based solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work in an environment that values strong engineering fundamentals, adaptability, and technical curiosity. It would suit an engineer who may have a core background in one area, but who is comfortable working across different technologies and solving complex real-world challenges. This role is particularly well suited to strong software engineers / software developer with experience in one or more of the following: C++, Rust, C#, Java, TypeScript, Android / Kotlin, or other ...
Cheltenham / Hybrid - My client is looking for a strong Software Engineer / Polyglot Engineer / Application Developer / Software Developer to join a growing UK technology business delivering secure software, mobile, and cloud-based solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work in an environment that values strong engineering fundamentals, adaptability, and technical curiosity. It would suit an engineer who may have a core background in one area, but who is comfortable working across different technologies and solving complex real-world challenges. This role is particularly well suited to strong software engineers / software developer with experience in one or more of the following: C++, Rust, C#, Java, TypeScript, Android / Kotlin, or other ...
Android Software Engineer
Android Software Engineer
Richmond Square Consulting Limited
Cheltenham (GL50)
From £65,000 to £85,000 per annum Plus Bonus and Benefits
Cheltenham / Hybrid - My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work, using modern Android engineering to solve complex real-world challenges. It would suit someone who wants to build secure, high-performance mobile applications in an environment where technical quality, innovation, and real-world impact genuinely matter. Benefits * £65,000 - £85,000 basic salary * Bonus * Hybrid working and flexibility (2 days per week WFH / remote) * Pension * Private healthcare * Electric car scheme * Training and development opportunities * Friendly, knowledgeable, peer-sharing culture * Career progression
Cheltenham / Hybrid - My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work, using modern Android engineering to solve complex real-world challenges. It would suit someone who wants to build secure, high-performance mobile applications in an environment where technical quality, innovation, and real-world impact genuinely matter. Benefits * £65,000 - £85,000 basic salary * Bonus * Hybrid working and flexibility (2 days per week WFH / remote) * Pension * Private healthcare * Electric car scheme * Training and development opportunities * Friendly, knowledgeable, peer-sharing culture * Career progression
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Contract Web Developer - Role: Web Developer - Competitive Daily Rate - Location: Gloucestershire - On Site Requirements: Hybrid (Expected 2 days on site per week) Our client is looking for a Web Developer to join their team, you will be responsible for developing, maintaining, and optimising websites, internal applications, and digital platforms. Responsibilities * Develop and maintain websites, web apps, and digital platforms using WordPress, HubSpot, Node.js, and modern web technologies. * Build new features, integration's, and internal tools to support business, product, and marketing needs. * Ensure platforms are secure, responsive, accessible, SEO-optimised, and high performing. * Collaborate with cross-functional teams and troubleshoot technical issues when needed. Skills & Experience * Experience with HTML, CSS, JavaScript, WordPress, HubSpot, Node.js, PHP, and APIs.
Contract Web Developer - Role: Web Developer - Competitive Daily Rate - Location: Gloucestershire - On Site Requirements: Hybrid (Expected 2 days on site per week) Our client is looking for a Web Developer to join their team, you will be responsible for developing, maintaining, and optimising websites, internal applications, and digital platforms. Responsibilities * Develop and maintain websites, web apps, and digital platforms using WordPress, HubSpot, Node.js, and modern web technologies. * Build new features, integration's, and internal tools to support business, product, and marketing needs. * Ensure platforms are secure, responsive, accessible, SEO-optimised, and high performing. * Collaborate with cross-functional teams and troubleshoot technical issues when needed. Skills & Experience * Experience with HTML, CSS, JavaScript, WordPress, HubSpot, Node.js, PHP, and APIs.
API-based Data Integration & Microservices exposure
API-based Data Integration & Microservices exposure
FEATURED
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Playwright, BDD/Cucumber, API testing (Rest Assured/Postman).
Playwright, BDD/Cucumber, API testing (Rest Assured/Postman).
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API design (REST / OpenAPI)
API design (REST / OpenAPI)
FEATURED
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Strong knowledge of JavaScript (particularly for rules engine API development)
Strong knowledge of JavaScript (particularly for rules engine API development)
Cloud Engineer - Oracle Fusion & Cloud Infrastructure
Cloud Engineer - Oracle Fusion & Cloud Infrastructure
Pro Contract Jobs Ltd
Oxford (OX1)
From £65,000 to £80,000 per annum plus travel allowance and bonus
Familiarity with Oracle Integration Cloud and API Gateway configurations.
Familiarity with Oracle Integration Cloud and API Gateway configurations.
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A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction.
FEATURED