57 Contract Senior Software Developer Jobs in Hertfordshire

We are currently partnered with a Local Government agency in Central London who require a Senior Software Developer to join their team on a 24-month contract to work on a large-scale ticketing & fare collection program of work. The role is INSIDE IR3...

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Senior Software Developer required to work with a Government department. This is an initial 5 month contract, paying 700 a day, inside IR35, hybrid working. Job Description: Experience of testing solution which utilise microservices, REST APIs and ev...

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Senior Software Engineer 6-month Contract 650 a day Inside IR35 Fully Remote - UK only As a Senior Software Engineer with proficiency in Golang (Go), you will be collaborating in a multi-disciplinary squad to enhance the functionality of the customer...

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I have a new requirement at a top client of mine, looking for a Senior Software Engineer, with hands-on mobile experience, across iOS and Android. You will be working for a software company, providing enhancement on a flagship mobile application. Thi...

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Role: Senior Software Developer Work Mode: Hybrid 2 days a week - London SE10 0ES Daily Rate: 500 - 600 per day (Inside IR35) Contract Duration: 1-2 year contract A local government organisation responsible for most aspects of London's transport syst...

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I have a new requirement at a top client of mine based in the UK, who're looking for a Senior Software Engineer to join a fast paced and exciting project. You will need to be experienced across Front-end Technologies: React, Typescript, Next JS. With...

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? Join Our Team as a Senior Software Developer ? Are you a seasoned expert in software development, ready to take on exciting challenges and drive innovation? We're seeking a Senior Software Developer with deep knowledge and proficiency in a wide ran...

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Job Opportunity: Linux/Open-Source Application Administrator / Senior Software Engineer Location: Camden Contract Type: Full-time, Contract Position Company Overview: Join a dynamic team dedicated to technological advancement and innovation in the he...

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Senior Software Development Engineer Canary Wharf, London 12 month contract (great potential for extensions and to go perm) Offering between 55 - 63 per day Hybrid working (2 days in office) About The Company This company is a global leader across in...

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Backend Java Software Engineer | Banking / Finance industry experience Full Remote Outside IR35 - Rates up to 500 Overview: Jefferson Frank are looking for a Senior Backend Java Software Engineer to on-board for a 6 month initial contract. This posit...

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Reverse Software Engineer (IDA Pro / GHIDRA) London - Remote 6 Month Contract 4 00 - 600 outside IR35 Are you an Software Engineer that wants to work on the most sought after tuning products for the racing market? Do you want to work in an elite team...

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Robert Half have partnered with a leading company that specialises in merging fundamental research with commercial products, leveraging expertise in MEV and blockchain technologies to shape the future of crypto. As the Engineering Lead, you will over...

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Senior Analyst Developer 6 Months London - Hybrid 350 - 450 inside IR35 We are currently seeking a Senior Analyst Developer to join our clients Data Archiving product team on a contract basis. This role requires a blend of support, development, and r...

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Senior C Developer 6 months contract – Competitive market rates – Inside IR35 - London – 3 days on-site Key Skills: C , Red Hat Linux (ideally V7), Experience with In house built trading systems is a must, FIX, Equities/Options The Role: A global tra...

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SENIOR KAFKA DEVELOPER REQUIRED IN LONDON Duration- 6 months Hybrid working 2 days a week office based. Rate: Competitive via Umbrella company My client is a blue chip FMCG and retail brand that serve millions of customers every week from all over t...

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Senior Java Developer - Ultra Low Latency/FX/Rates sought by leading investment bank based in Canary Wharf. Inside IR35 - 2-3 days a week onsite Job Responsibilities / Role: Building best of breed ultra-low latency connectivity to new markets Hands o...

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Senior Java Developer - Rates eTrading - sought by leading investment bank based in Canary Wharf - Hybrid - Contract inside IR35 Job Responsibilities/Role: Designing and developing front office eTrading applications to the trading business Working di...

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An experienced Amazon Web Services (AWS) Connect Integration Developer is needed to join our team at Central Bedfordshire Council based in Shefford. This is a 12 months contract role on a hybrid working basis. About Us Central Bedfordshire is an ambi...

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Senior 2nd Line Support- Windows, Higher Education-ITIL Senior 2nd Line Support Engineer with experience of supporting enterprise level software systems, ideally within a Higher Education environment, within Microsoft, MAC operating systems and assoc...

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World Class Defence Organisation based in Stevenage, Hertfordshire (the role will be mainly remote, working from home. 2-4 days per month onsite on average) is currently looking to recruit a Technical Author subcontractor on an initial 12 month contr...

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Senior Python Developer - Initial 12 months - Inside IR35 - 675-700pd This is a hybrid role and working 2 days per week on site in London. We are working with a global-leading energy client looking for Senior Python Developer to join their fast paced...

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Senior C# Developer Avanti Recruitment is currently recruiting for a Senior C# Developer for a 6 month outside IR35 contract with my client who are a Risk Management firm offering hedging solutions. They have a couple of semi-greenfield projects they...

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I am on the lookout for a Senior Golang Developer for a 6 month fully remote contract This role is Outside IR35. The ideal candidate must have: Strong Experience with Golang. Extensive experience with AWS. Good understanding of SQL and NoSQL database...

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Senior React UI Developer - Risk, Banking sought by leading investment bank based in London. Inside IR35 - hybrid working 3 days a week onsite. Skills & Qualifications: You have excellent knowledge of JavaScript, TypeScript, React and related technol...

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Application Operations Engineer Senior (Atlassian) East Kilbride, on-site - Occasional travel to London 6 months Inside IR35, up to 750 P/D Active SC would be advantageous • Jira Data Centres (On Prem) • Groovy scripting • Experience of migrating fro...

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