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10 api developer jobs found

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api developer £500 - £600 South Yorkshire
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Sheffield  (10)
Contract Spy
Mar 16, 2026
Duration not stated
AI/ML Developer at Delta Capita, Sheffield, £500-£550 per day
£500 - £550 per day
Contract Spy Sheffield, UK
AI/ML Developer - Contract Duration: Initial 6 Month Contract Rate: £500- £550 p/d Location: Sheffield This role sits within a global onboarding and KYC capability team focused on delivering modern, scalable, and user-centric digital solutions. The team brings together business, operations, and technology stakeholders to co-design platforms that improve customer experience, streamline processes, and strengthen operational resilience. The function supports enterprise-wide digital transformation efforts, enabling the move towards a more modern, future-state technology architecture. Teams collaborate across multiple global locations to design and build digital services that allow customers to onboard quickly, simply, and securely. The remit covers onboarding products, platforms, and delivery approaches aligned to agile, client-focused ways of working. Solutions are used by a broad spectrum of customers, from large corporates to small businesses. As part of...
Contract Spy
Mar 30, 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 30, 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 27, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, 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 23, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, 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 23, 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 20, 2026
Duration not stated
Full Stack Python & React at Test Yantra Software Solutions Private Limited, 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 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 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 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...
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