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18 software engineer jobs found

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Duration not stated software engineer £400 - £500
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Contract Spy
Mar 16, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience...
Contract Spy
Mar 02, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience...
Contract Spy
Mar 16, 2026
Duration not stated
Full Stack Python & React Engineer at Test Yantra Software Solutions, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
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 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 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 13, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, Sheffield, £500 a day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data flows Work...
Contract Spy
Mar 10, 2026
Duration not stated
DV Site Reliability Engineer at Twinstream, Cheltenham, £500-£650 per day Outside IR35
£500 - £650 per day
Contract Spy Cheltenham, UK
Who are we: In 2019, our founders were working as engineers  solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Day Rate: £500 - £650 Location: Hybrid working in Cheltenham (3-4 days) with possible 24/7 call out when on rota   Security Clearance: Must have live DV Clearance      About the role:   Our cross-domain services are used in high-profile government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an experienced Site Reliability Engineer to help satisfy that demand. As an SRE you will be responsible for ensuring the availability, performance and cost effectiveness...
Contract Spy
Feb 26, 2026
Duration not stated
Back End Engineer - Python/Azure at Toucanberry Tech, Remote, £500 per day (Outside IR35)
£500 per day
Contract Spy Remote
Back End Engineer (Python & Azure) Delivering scalable data infrastructure that transforms manual financial and actuarial processes into automated, auditable workflows. To deliver robust, scalable backend systems and data infrastructure that power automated data pipelines and dashboards for financial services clients.   Requirements Hands On Experience:   Designing and implementing distributed, large-scale systems Architecting solutions from scratch across the full development lifecycle Working with event-driven architectures and data pipelines Building production Python applications with strong software engineering practices   Must Have:   Extensive production experience with Python including modern frameworks, testing, and deployment practices Proven experience designing and building distributed systems at scale Strong system architecture skills with ability to translate requirements into...
Contract Spy
Mar 18, 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 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 11, 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 13, 2026
Duration not stated
Senior DevOps Engineer at Kato, London W1B, £450 - £480 a day
£450 - £480 per day
Contract Spy London W1B, UK
Kato is a fast growing PropTech (property tech) company. Backed by industry-leading VCs, investors, entrepreneurs and advisors, we’re on an exciting path with a mission to change the future of commercial property. We’re doing this through our ever-evolving all-in-one online platform built for everyone involved in commercial property transactions, plus a whole lot of industry data. We’re only just getting started, and we’re looking for dynamic, confident individuals to expand our brilliant team and join us on the journey! Role overview We're looking for a Senior DevOps Engineer to join us on an initial 3-6 month contract basis. You'll be our go-to person for all things infrastructure; owning our AWS environment, keeping things running smoothly, and helping us level up how we build and ship software. Right now, we're at a point where we need someone who can take what we've got and make it better: tighter CI/CD pipelines, cleaner infrastructure-as-code, and a real push...
Contract Spy
Mar 16, 2026
Duration not stated
GCP Cloud Enginer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below...
Contract Spy
Mar 02, 2026
Duration not stated
GCP Cloud Enginer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£401 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below...
Contract Spy
Mar 18, 2026
Duration not stated
Business Analyst (Test Automation & Active SC) at Test Yantra, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Business Analyst (with Test Automation Experience) The role will provide the opportunity to help define future technology projects and programmes by working as part of a team to realise change. As the business analyst you will be responsible for collecting, clarifying, translating, and communicating the requirements necessary to transform our existing technology service Skills: Demonstrated experience in requirements definition and the modelling of systems for technology service management Strong understanding of modelling techniques (e.g., use cases, activity diagrams) and various forms of software development methodologies (e.g., agile and waterfall) Outstanding analytical skills and intellectual curiosity, ability to challenge assumptions, problem-solve and provide in detail analysis Good understanding of technology services and project interdependencies Excellent skills in stakeholder management, written communication and...
Contract Spy
Mar 11, 2026
Duration not stated
Business Analyst (Test Automation exp & Active SC) at Test Yantra Software Solutions Private Limited, Remote, £400-£450 per day
£400 - £450 per day
Contract Spy Remote
Business Analyst (with Test Automation Experience) The role will provide the opportunity to help define future technology projects and programmes by working as part of a team to realise change. As the business analyst you will be responsible for collecting, clarifying, translating, and communicating the requirements necessary to transform our existing technology service Skills: Demonstrated experience in requirements definition and the modelling of systems for technology service management Strong understanding of modelling techniques (e.g., use cases, activity diagrams) and various forms of software development methodologies (e.g., agile and waterfall) Outstanding analytical skills and intellectual curiosity, ability to challenge assumptions, problem-solve and provide in detail analysis Good understanding of technology services and project interdependencies Excellent skills in stakeholder management, written communication and verbal communication Ability to...
Contract Spy
Mar 04, 2026
Duration not stated
Business Analyst (Test Automation & Active SC) at Test Yantra, London, £400-£450 per day
£400 - £450 per day
Contract Spy London, UK
Business Analyst (with Test Automation Experience) The role will provide the opportunity to help define future technology projects and programmes by working as part of a team to realise change. As the business analyst you will be responsible for collecting, clarifying, translating, and communicating the requirements necessary to transform our existing technology service Skills: Demonstrated experience in requirements definition and the modelling of systems for technology service management Strong understanding of modelling techniques (e.g., use cases, activity diagrams) and various forms of software development methodologies (e.g., agile and waterfall) Outstanding analytical skills and intellectual curiosity, ability to challenge assumptions, problem-solve and provide in detail analysis Good understanding of technology services and project interdependencies Excellent skills in stakeholder management, written communication and...
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