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10 security engineer jobs found in London

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London security engineer £400 - £500
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United Kingdom  (10) Hybrid  (2)
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Greater London  (10) Hybrid  (2)
Contract Spy
Jul 16, 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 09, 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 03, 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
Jun 26, 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
Jun 16, 2026
Duration not stated
DataOps Engineer at Test Yantra, London, £350-£400 per day
£350 - £400 per day
Contract Spy London, UK
Experience / Competences Proficiency in writing database queries using SQL and general understanding of relational databases, and in data pipeline design and development. Experience with ETL processes, familiarity with the AWS ecosystem e.g. S3, Glue, DMS, CLI, etc., and experience with tools such as Qliksense, PowerBI, or equivalent. Ability to setup database connections and manage related issues. Familiarity with data analysis on trading platforms to understand order and trade lifecycle events. Be able to work through, with completeness and accuracy, a technical checklist of data validation and feed the results back to the Data Lead Be able to understand the reconciliation approach of order and order event count matching and use analysis techniques to identify differences and their cause. Self-starter, strong problem solver and great attention to detail. Excellent written and verbal communication. Adaptable, resilient, and a forward thinker....
Contract Spy
Jun 15, 2026
Duration not stated
Azure Solution Architect (SC Cleared) at Scrumconnect Consulting, London, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy London, UK
400-500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting Scrumconnect Consulting is a leading UK digital and technology consultancy specialising in delivering impactful, user-centred services for the public sector. We work with central government departments, agencies, and local authorities to build digital products and services that improve outcomes for citizens. With a team of engineers, architects, delivery professionals, and designers, we bring deep expertise in digital transformation, cloud technologies, and agile delivery. We are committed to engineering excellence, innovation, and creating an inclusive environment where everyone can thrive. Role Overview We are seeking an experienced Azure Solution Architect to design, architect, and deliver scalable, secure, and high-performance cloud data solutions...
Contract Spy
Jun 12, 2026
Duration not stated
Senior Solidity Engineer at Test Yantra, London/Remote, £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
Jul 17, 2026
Duration not stated
Data Lead at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
450 - 475 Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect At Scrumconnect, we are a people-first digital consultancy that partners with government and private sector organisations to design, build, and deliver user-centred digital services. We bring together multidisciplinary teams of consultants, designers, engineers, researchers, and data specialists to solve complex challenges and create meaningful outcomes for millions of users. We are passionate about delivering high-quality digital solutions that improve public services, drive innovation, and create lasting impact. Our culture is built on collaboration, continuous learning, inclusivity, and excellence.   About the Role Scrumconnect is seeking an experienced Data Lead to lead the development and execution of a strategic data vision for a large-scale...
Contract Spy
Jul 10, 2026
Duration not stated
Data Lead at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
450 - 475 Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect At Scrumconnect, we are a people-first digital consultancy that partners with government and private sector organisations to design, build, and deliver user-centred digital services. We bring together multidisciplinary teams of consultants, designers, engineers, researchers, and data specialists to solve complex challenges and create meaningful outcomes for millions of users. We are passionate about delivering high-quality digital solutions that improve public services, drive innovation, and create lasting impact. Our culture is built on collaboration, continuous learning, inclusivity, and excellence.   About the Role Scrumconnect is seeking an experienced Data Lead to lead the development and execution of a strategic data vision for a large-scale...
Contract Spy
Jun 12, 2026
Duration not stated
Data Lead at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
450 - 475 Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect At Scrumconnect, we are a people-first digital consultancy that partners with government and private sector organisations to design, build, and deliver user-centred digital services. We bring together multidisciplinary teams of consultants, designers, engineers, researchers, and data specialists to solve complex challenges and create meaningful outcomes for millions of users. We are passionate about delivering high-quality digital solutions that improve public services, drive innovation, and create lasting impact. Our culture is built on collaboration, continuous learning, inclusivity, and excellence.   About the Role Scrumconnect is seeking an experienced Data Lead to lead the development and execution of a strategic data vision for a large-scale...
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