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13 computer science engineer jobs found

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computer science engineer Greater London
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Contract Spy
Apr 08, 2026
up to 6 Months
Fullstack Software Engineer at Paloma Health, London, 3-5 Months, £Competitive Day Rate
Contract Spy London, UK
Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...
Contract Spy
Mar 23, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London, £400 per day
£400 per day
Contract Spy London, UK
Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...
Contract Spy
Mar 16, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra Software Solutions Private Limited, London, £400 per day
£400 per day
Contract Spy London, UK
Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...
Contract Spy
Mar 30, 2026
6 Months or more
Network Engineer at Xoriant, London Canary Wharf/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (Canary Wharf, London, UK)
Network Engineer Hybrid (2 days a week) Contract (6+ Months) Inside IR35 Canary Wharf, UK   Knowledge, skills, and abilities A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching. In-depth knowledge of design, implementation, configuration and testing of the following: Routing – OSPF, BGP, knowledge of route redistribution and manipulation. WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning. Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching. Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls. Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN’s, ACL’s. WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs. Firewalls – Cisco...
Contract Spy
Mar 27, 2026
Duration not stated
Azure Devops Engineer at Bliss Software Solutions, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
Company Description   Bliss Software Solutions is a technology-driven organization specializing in providing comprehensive software and IT solutions to businesses across various industries. Known for fostering innovation and delivering cutting-edge technologies, Bliss Software Solutions is committed to creating value for its clients with efficient and scalable solutions. The company emphasizes teamwork, professional growth, and technical excellence. With a dynamic and inclusive culture, Bliss Software Solutions offers a supportive workplace to help employees thrive and make an impact.   Role Description   This is a contract role for an Azure DevOps Engineer, designed as a hybrid position based in the London area, United Kingdom, with the flexibility to work remotely on some occasions. The role involves designing, implementing, and managing automated pipelines to ensure seamless deployment and integration of software applications. The engineer...
Contract Spy
Mar 19, 2026
6 Months or more
Network Engineer at Xoriant, London Canary Wharf/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (Canary Wharf, London, UK)
Network Engineer Hybrid (2 days a week) Contract (6+ Months) Inside IR35 Canary Wharf, UK   Knowledge, skills, and abilities A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching. In-depth knowledge of design, implementation, configuration and testing of the following: Routing – OSPF, BGP, knowledge of route redistribution and manipulation. WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning. Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching. Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls. Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN’s, ACL’s. WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs. Firewalls – Cisco...
Contract Spy
Mar 10, 2026
Duration not stated
Research Engineer - Machine Learning (Contractor) at Huawei, London, £Contractor Rate
Contract Spy London, UK
About Huawei Research and Development UK Limited Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. Our vision and mission is to bring digital to every person, home and organization for a fully connected, intelligent world. To this end, we will drive ubiquitous connectivity and promote equal access to networks; bring cloud and artificial intelligence to all four corners of the earth to provide superior computing power where you need it, when you need it; build digital platforms to help all industries and organizations become more agile, efficient, and dynamic; redefine user experience with AI, making it more personalized for people in all aspects of their life, whether they’re at home, in the office, or on the go. This spirit of innovation has...
Contract Spy
Mar 25, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include:...
Contract Spy
Mar 24, 2026
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London, £Contractor Rate
Contract Spy London, UK
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Mar 19, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include:...
Contract Spy
Mar 17, 2026
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London, £Contractor Rate
Contract Spy London, UK
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Mar 10, 2026
Duration not stated
Junior Full Stack Java Web Developer at ReachX, Hybrid/London, £Contract Rate
Contract Spy Hybrid (London, UK)
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Mar 10, 2026
up to 6 Months
Azure Cloud Developer at Satalia, Remote/London, 3 Months +, £Contract Rate
Contract Spy Remote (London, UK)
Azure Cloud Developer Contract 3 months + Role type: Contract Location: UK, London, Remote Preferred start date: ASAP LIFE AS A SATALIAN As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in industry. Satalia, a WPP Company, is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight knit team of high performing colleagues. Led by our founder (who is also WPP’s Chief AI Officer), Satalia’s ambition is to become a decentralised organisation of the future. Today this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting environment. We...
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