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19 software developer jobs found

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software developer £400 - £500 Greater London
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Contract Spy
Feb 18, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows.     What You’ll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects....
Contract Spy
Feb 06, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...
Contract Spy
Feb 02, 2026
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...
Contract Spy
Feb 16, 2026
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Feb 12, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra Software Solutions Private Limited, London, £360-£400 per day
£360 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...
Contract Spy
Feb 12, 2026
Duration not stated
D365 Developer at Test Yantra Software Solutions Private Limited, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and mentorship to junior developers and other team...
Contract Spy
Feb 09, 2026
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Feb 05, 2026
Duration not stated
D365 Developer at Test Yantra Software Solutions Private Limited, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and mentorship to junior developers and other team...
Contract Spy
Feb 05, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra Software Solutions Private Limited, London, £360-£400 per day
£360 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...
Contract Spy
Feb 02, 2026
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Jan 29, 2026
Duration not stated
D365 Developer at Test Yantra Software Solutions Private Limited, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and mentorship to junior developers and other team...
Contract Spy
Jan 29, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra Software Solutions Private Limited, London, £360-£400 per day
£360 - £400 per day
Contract Spy London, UK
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...
Contract Spy
Feb 19, 2026
Duration not stated
UI/UX Developer with GDS at Test Yantra, London, £360-£400 per day
£360 - £400 per day
Contract Spy Hybrid (London, UK)
Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of...
Contract Spy
Feb 19, 2026
Duration not stated
D365 Developer at Test Yantra, London, £380-£400 per day
£380 - £400 per day
Contract Spy London, UK
About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical...
Contract Spy
Feb 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
Feb 16, 2026
Duration not stated
D365 F&O technical Architect at Test Yantra Software Solutions Private Limited, London, £500-£550 per day
£500 - £550 per day
Contract Spy London, UK
Required Core Skills: Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education. 10+ years of overall IT experience with a minimum of 5 years of hands-on experience in Microsoft Dynamics 365 FO/FSCM/AX. At least 4-5 End-to-End implementation experience D365 FO/FSCM/AX including integrations with externals applications. Ability/Experience in designing large Technology landscapes including multiple system integrations preferably with D365 FO/FSCM/AX Technical development and troubleshooting skills in areas like SSRS, Workflows, deployments, alerts & email, data management, role permissions etc., in D365 FO/FSCM/AX Understanding of On-Prem and Azure deployments in D365 FO/FSCM/AX Good understanding of integration protocols to be followed in large system integrations Understanding of Lifecycle Services and Azure DevOps Experience in other...
Contract Spy
Feb 09, 2026
Duration not stated
D365 F&O Technical Architect at Test Yantra Software Solutions Private Limited, London, £500-£550 per day
£500 - £550 per day
Contract Spy London, UK
Required Core Skills: Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education. 10+ years of overall IT experience with a minimum of 5 years of hands-on experience in Microsoft Dynamics 365 FO/FSCM/AX. At least 4-5 End-to-End implementation experience D365 FO/FSCM/AX including integrations with externals applications. Ability/Experience in designing large Technology landscapes including multiple system integrations preferably with D365 FO/FSCM/AX Technical development and troubleshooting skills in areas like SSRS, Workflows, deployments, alerts & email, data management, role permissions etc., in D365 FO/FSCM/AX Understanding of On-Prem and Azure deployments in D365 FO/FSCM/AX Good understanding of integration protocols to be followed in large system integrations Understanding of Lifecycle Services and Azure DevOps...
Contract Spy
Feb 02, 2026
Duration not stated
D365 F&O Technical Architect at Test Yantra Software Solutions Private Limited, London, £500-£550 per day
£500 - £550 per day
Contract Spy London, UK
Required Core Skills: Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education. 10+ years of overall IT experience with a minimum of 5 years of hands-on experience in Microsoft Dynamics 365 FO/FSCM/AX. At least 4-5 End-to-End implementation experience D365 FO/FSCM/AX including integrations with externals applications. Ability/Experience in designing large Technology landscapes including multiple system integrations preferably with D365 FO/FSCM/AX Technical development and troubleshooting skills in areas like SSRS, Workflows, deployments, alerts & email, data management, role permissions etc., in D365 FO/FSCM/AX Understanding of On-Prem and Azure deployments in D365 FO/FSCM/AX Good understanding of integration protocols to be followed in large system integrations Understanding of Lifecycle Services and Azure DevOps...
Contract Spy
Feb 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...
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