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74 software engineer jobs found in London

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London software engineer
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Contract Spy
Mar 18, 2026
Duration not stated
Software engineer (JAVA , Python , Golang) at Test Yantra Software Solutions Private Limited, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Mar 17, 2026
up to 6 Months
Senior Software Engineer at Red Badger, London, 3 Months initial, £Contract Rate
Contract Spy London, UK
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of ʺtech cityʺ...
Contract Spy
Mar 11, 2026
Duration not stated
Software engineer (JAVA , Python , Golang) at Test Yantra Software Solutions Private Limited, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Mar 10, 2026
Duration not stated
Senior Software Engineer at Red Badger, London, £Day Rate Outside IR35
Contract Spy London, UK
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 3 days / week in person working (London) Immediate Interviews     The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.     Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.     We are based at Old Street in the heart...
Contract Spy
Mar 06, 2026
Duration not stated
Senior Software Engineer at Medtronic, London, 6 Months, £Contract Rate
Contract Spy London, England, United Kingdom
At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life Medtronic Digital Technologies is creating ambitious new products that bring connectivity, real-time guidance, and decision support to the operating room. To support this mission, we are developing compact, high-performance, embedded systems that enable edge computing and connectivity. Working closely with other teams across Medtronic, we are creating a connected ecosystem and leveraging the state of the art in computer vision to provide the most comprehensive view of surgery. If you’re interested in using cutting-edge technology to improve the standard of care in surgery on a global scale, this could be the place for you. As a Senior Software Engineer, you’ll be performing development, primarily in...
Contract Spy
Mar 03, 2026
up to 6 Months
Senior Software Engineer at Red Badger, London/Remote, 3 Months+, £Day Rate (Outside IR35)
Contract Spy Hybrid (London, UK)
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of ʺtech cityʺ...
Contract Spy
Feb 27, 2026
6 Months or more
Senior Software Engineer at TXODDS, Remote, 12 Months, £Contractor Rate
Contract Spy Remote (Hoxton Square, London N1 6NT, UK)
Senior Software Engineer Europe (Remote) Full‑time contractor role (rolling 12‑month contract).   About TxODDS TXODDS is a premier provider of ultra low-latency, accurate odds data, fast scores, and innovative betting solutions for the global sports betting industry. With offices in London, Chicago, and Belgrade - and team members working worldwide - we deliver cutting-edge technology and data products that power some of the world’s top sportsbooks.   About the Role We’re looking for a Senior Software Engineer to join our Data Acquisition team. This is a key role in building and maintaining the systems that power our real‑time data delivery. You’ll work closely with cross‑functional teams to ensure the accuracy, reliability, and speed of the data we provide to customers. This is a great opportunity for someone with 5+ years of experience who enjoys working in a fast‑moving, highly collaborative engineering...
Contract Spy
Mar 13, 2026
Duration not stated
Software Deployment Engineer - Contract - Outside IR35 at minderacraft, London, £Competitive Day Rate
Contract Spy London, UK
Mindera are currently looking for a Software Deployment Engineer to deliver, configure, test, and roll out software and device solutions across multiple environments. You'll work closely with software engineers, product teams, and platform specialists to ensure seamless deployments that support millions of customers and thousands of colleagues. This role is perfect for someone who enjoys hands-on deployment, automation, configuration, testing, and troubleshooting across a wide technology landscape. This is a hybrid position where you will be expected to be onsite in Bracknell 3 days per week. Requirements Deployment & Configuration (Primary Focus) • Deploy application releases across Dev, Test, UAT, Pre-Prod, and Production environments. • Configure applications, services, and devices according to environment needs. • Automate deployment activities through CI/CD pipelines and scripting. • Manage deployment schedules, releases, and...
Contract Spy
Mar 13, 2026
Duration not stated
Senior Software Deployment Engineer - Contract - Ouside IR35 at minderacraft, London, £Competitive Day Rate
Contract Spy London, UK
Mindera are currently looking for a Senior Software Deployment Engineer who can lead the delivery, configuration, testing, and rollout of applications and retail device solutions across complex, large-scale environments. In this role you will help shape deployment strategy, drive automation, improve reliability, mentor engineers, and work closely with product, platform, and engineering teams to ensure smooth, secure, and high-quality releases that reaches thousands of customers. This is a hybrid role and you will be expected to be on site in Bracknell 3 days per week. Requirements Deployment & Configuration Leadership • Lead end-to-end deployment processes across Dev, Test, UAT, Pre-Prod, and Production. • Design scalable, repeatable deployment workflows and environment strategies. • Drive automation across CI/CD pipelines using scripting, IaC, and tooling improvements. • Ensure environment readiness, configuration integrity, and...
Contract Spy
Mar 13, 2026
Duration not stated
Senior Software Deployment Engineer - Contract - Ouside IR35 at Mindera, London, £Contract Rate
Contract Spy London, UK
Mindera are currently looking for a Senior Software Deployment Engineer who can lead the delivery, configuration, testing, and rollout of applications and retail device solutions across complex, large-scale environments. In this role you will help shape deployment strategy, drive automation, improve reliability, mentor engineers, and work closely with product, platform, and engineering teams to ensure smooth, secure, and high-quality releases that reaches thousands of customers. This is a hybrid role and you will be expected to be on site in Bracknell 3 days per week. Requirements Deployment & Configuration Leadership Lead end-to-end deployment processes across Dev, Test, UAT, Pre-Prod, and Production. Design scalable, repeatable deployment workflows and environment strategies. Drive automation across CI/CD pipelines using scripting, IaC, and tooling improvements. Ensure environment readiness, configuration integrity, and release reliability. Define and...
Contract Spy
Mar 06, 2026
Duration not stated
Senior Software Deployment Engineer at Mindera, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
Mindera are currently looking for a Senior Software Deployment Engineer who can lead the delivery, configuration, testing, and rollout of applications and retail device solutions across complex, large-scale environments. In this role you will help shape deployment strategy, drive automation, improve reliability, mentor engineers, and work closely with product, platform, and engineering teams to ensure smooth, secure, and high-quality releases that reaches thousands of customers. This is a hybrid role and you will be expected to be on site in Bracknell 3 days per week. Requirements Deployment & Configuration Leadership Lead end-to-end deployment processes across Dev, Test, UAT, Pre-Prod, and Production. Design scalable, repeatable deployment workflows and environment strategies. Drive automation across CI/CD pipelines using scripting, IaC, and tooling improvements. Ensure environment readiness, configuration integrity, and release reliability....
Contract Spy
Mar 05, 2026
Duration not stated
Netbackup Engineer at Test Yantra Software Solutions Private Limited, London, £300-£320 per day
£300 - £320 per day
Contract Spy London, UK
JOB DETAILS Minimum years of experience: 5 Detailed Job Description: NetBackup Administration – Deep understanding of Veritas NetBackup, including backup, recovery, and disaster recovery strategies. · Flex Appliance Management – Experience in deploying, configuring, and maintaining NetBackup Flex Appliances. · Access Appliance Management – Experience in deploying, configuring, and maintaining NetBackup Access Appliances. · Bash Scripting & Automation – Proficiency in Bash, Powershell, or Python scripts for automating backup tasks, log analysis, and system monitoring. · Containerization & Linux Administration – Familiarity with Docker-based NetBackup instances and Linux-based system management. · Networking & Storage – Knowledge of storage configurations, networking protocols, and troubleshooting connectivity issues. · Security & Compliance – Understanding of RBAC, encryption, and security monitoring to ensure data protection. · Cloud Backup & Storage –...
Contract Spy
Mar 04, 2026
Duration not stated
DataOps Engineer at Test Yantra Software Solutions Private Limited, 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. Knowledge of data...
Contract Spy
Mar 03, 2026
Duration not stated
ServiceNow Engineer (Devops) at Test Yantra Software Solutions Private Limited, London, £320 per day
£320 per day
Contract Spy London, UK
Required Skills & Qualifications · Technical Expertise o Hands-on experience with ServiceNow CMDB and ITSM modules. o Strong knowledge of automation tools (Ansible, Terraform, Puppet, Chef). o Proficiency in scripting languages (Python, PowerShell, Shell). o Familiarity with CI/CD tools (Jenkins, GitLab, Azure DevOps). o Experience with cloud platforms (AWS, Azure, GCP). · Process Knowledge o Solid understanding of ITIL processes , especially Configuration, Change, and Incident Management. o Experience in integrating CMDB with monitoring and discovery tools. · Soft Skills o Strong analytical and problem-solving skills. o Excellent communication and stakeholder management abilities. o Ability to work in cross-functional teams and manage multiple priorities. Preferred Qualifications ServiceNow Certified Implementation Specialist (CIS) – CMDB. ITIL v4 Foundation certification. Experience in large-scale enterprise environments. Exposure to...
Contract Spy
Mar 02, 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
Feb 26, 2026
Duration not stated
Netbackup Engineer at Test Yantra Software Solutions Private Limited, London, £300-£320 per day
£300 - £320 per day
Contract Spy London, UK
JOB DETAILS Minimum years of experience: 5 Detailed Job Description: NetBackup Administration – Deep understanding of Veritas NetBackup, including backup, recovery, and disaster recovery strategies. · Flex Appliance Management – Experience in deploying, configuring, and maintaining NetBackup Flex Appliances. · Access Appliance Management – Experience in deploying, configuring, and maintaining NetBackup Access Appliances. · Bash Scripting & Automation – Proficiency in Bash, Powershell, or Python scripts for automating backup tasks, log analysis, and system monitoring. · Containerization & Linux Administration – Familiarity with Docker-based NetBackup instances and Linux-based system management. · Networking & Storage – Knowledge of storage configurations, networking protocols, and troubleshooting connectivity issues. · Security & Compliance – Understanding of RBAC, encryption, and security monitoring to ensure data protection. · Cloud Backup & Storage –...
Contract Spy
Feb 25, 2026
Duration not stated
DataOps Engineer at Test Yantra Software Solutions Private Limited, 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. Knowledge of data...
Contract Spy
Mar 04, 2026
up to 6 Months
Lead/Senior Software Engineering Manager at Crown Prosecution Service, London, 5 Months, £Contract Rate
Contract Spy London, UK
Act as Head of Profession for Software Engineering. Good technical fluency with modern programming languages such as Python or C# Define career pathways, capability frameworks and skills matrices. Provide leadership and mentorship to Lead Software Engineers and Software Engineering Managers. Foster a culture of continuous learning, psychological safety, and collaboration. Lead the recruitment, retention, and career development of the software engineers. Coach Senior Engineers, helping them grow into strategic technical leaders. Direct line management the permanent Software Engineering team Manage the mix of civil service and third party resources Collaborate closely with cross-functional stakeholders to align technical roadmaps.
Contract Spy
Mar 13, 2026
Duration not stated
Engineering Manager at minderacraft, London, £Contract Rate Outside IR35
Contract Spy London, UK
We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington. Requirements   Your key accountabilities will include: • Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across projects....
Contract Spy
Mar 12, 2026
Duration not stated
Data Engineer- AI Trainer at DataAnnotation, London, From £29.40 an hour
Contract Spy London, UK
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Engineer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others...
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