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6 web developer jobs found

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web developer £400 - £500 Hybrid
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Duration not stated  (5) 6 Months or more  (1)
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Contract Spy
Aug 06, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £400 per day
£400 per day
Contract Spy Hybrid (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
Aug 04, 2026
Duration not stated
Senior Data Engineer/Architect - SC Cleared at Scrumconnect, Staines/Remote, £450-£500 per day (Outside IR35)
£450 - £500 per day
Contract Spy Hybrid (Staines, UK)
450-500 Outside IR35 City Staines Province Surrey Country United Kingdom Postal Code TW18 Job Description About Scrumconnect Consulting Scrumconnect Consulting is a leading digital transformation consultancy delivering innovative solutions across the UK public sector. We specialise in Agile delivery, digital services, cloud transformation, data, and user-centred design, helping organisations build scalable and impactful digital products and platforms. We are currently seeking an experienced Senior Data Engineer / Architect to support the design of the WebCAF database, risk reporting tools, and integration services within a major digital transformation programme. The Role This role is suited to a highly experienced data professional with strong architecture and engineering capabilities across cloud-based data platforms and modern application environments. The successful candidate will...
Contract Spy
Jul 30, 2026
6 Months or more
People Analytics Specialist (Power BI, SQL etc) at Thames Water, Reading/Remote, 6 Months, £400 per day
£400 per day
Contract Spy Hybrid (Reading, UK)
We are seeking a talented and highly motivated Power BI and SQL Developer to join our dynamic team. The ideal candidate will be responsible for developing, maintaining, and optimising our organisation's data visualisations and reports using Power BI and SQL. This role requires a deep understanding of data analysis, data modelling, and the ability to transform complex data into meaningful insights to support informed business decisions. The What you’ll be doing as a People Analytics Specialist Collaborate with business stakeholders to understand data needs and reporting requirements. Analyse and document data sources, data structure, and data quality considerations. Create and maintain interactive and visually appealing dashboards, reports, and data visualisations using Power BI, DAX, and SQL. Develop data models, measures, and calculations to provide actionable insights. Implement dynamic filters, slicers, and drill-down capabilities for...
Contract Spy
Jul 30, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £400 per day
£400 per day
Contract Spy Hybrid (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
Jul 28, 2026
Duration not stated
Senior Data Engineer/Architect - SC Cleared at Scrumconnect, Staines/Remote, £450-£500 per day (Outside IR35)
£450 - £500 per day
Contract Spy Hybrid (Staines, UK)
450-500 Outside IR35 City Staines Province Surrey Country United Kingdom Postal Code TW18 Job Description About Scrumconnect Consulting Scrumconnect Consulting is a leading digital transformation consultancy delivering innovative solutions across the UK public sector. We specialise in Agile delivery, digital services, cloud transformation, data, and user-centred design, helping organisations build scalable and impactful digital products and platforms. We are currently seeking an experienced Senior Data Engineer / Architect to support the design of the WebCAF database, risk reporting tools, and integration services within a major digital transformation programme. The Role This role is suited to a highly experienced data professional with strong architecture and engineering capabilities across cloud-based data platforms and modern application environments. The successful candidate will...
Contract Spy
Jul 23, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £400 per day
£400 per day
Contract Spy Hybrid (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...
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