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        37 Permanent API jobs in Leeds + 20 miles

        161 exact matches jobs are outside your preferred location

        Software Engineer - .Net

        On The Beach Ltd
        Manchester, Greater Manchester
        Competitive
        API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
        API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
        Fullstack Engineer (React + Python) Location: UK (remote-first) Contract: Permanent, full-time - About hedgehog lab - We're a digital product consultancy that designs, builds and scales impactful web, mobile and AI products. We partner with ambitious organisations to solve real problems with technology. The opportunity - We're looking for a Full Stack Engineer to join a cross-functional hedgehog lab team building and scaling a recently relaunched AI-powered learning platform. The platform has just gone live with new functionality and is entering a rapid growth phase to stay ahead of strong competitors. This is a chance to own an independent workstream, shape technical direction, and collaborate with senior engineers, delivery and product. You will be expected to contribute ideas and solutions, not only code. What you'll do
        Fullstack Engineer (React + Python) Location: UK (remote-first) Contract: Permanent, full-time - About hedgehog lab - We're a digital product consultancy that designs, builds and scales impactful web, mobile and AI products. We partner with ambitious organisations to solve real problems with technology. The opportunity - We're looking for a Full Stack Engineer to join a cross-functional hedgehog lab team building and scaling a recently relaunched AI-powered learning platform. The platform has just gone live with new functionality and is entering a rapid growth phase to stay ahead of strong competitors. This is a chance to own an independent workstream, shape technical direction, and collaborate with senior engineers, delivery and product. You will be expected to contribute ideas and solutions, not only code. What you'll do
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        Developer Advocate

        Embeddable
        Manchester, Greater Manchester
        £60,000 - £75,000 a year
        Who are we? At Embeddable, you can expect a very fast pace, ambitious goals and career-defining work. This is not your regular office job - we're looking for people who will live this product and give their best every day. This is just your default, without needing to be pushed. We launched in December 2023 and are already taking the developer world by storm! Like how Stripe enables developers to add payments to their platform and Unity enables you to build world-class games, Embeddable is the end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product. As a developer, adding a couple of charts to your online platform is easy. Scaling analytics to tens of thousands of end-users, who all have differing data needs and data questions, is a hard problem.
        Who are we? At Embeddable, you can expect a very fast pace, ambitious goals and career-defining work. This is not your regular office job - we're looking for people who will live this product and give their best every day. This is just your default, without needing to be pushed. We launched in December 2023 and are already taking the developer world by storm! Like how Stripe enables developers to add payments to their platform and Unity enables you to build world-class games, Embeddable is the end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product. As a developer, adding a couple of charts to your online platform is easy. Scaling analytics to tens of thousands of end-users, who all have differing data needs and data questions, is a hard problem.
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        NEW

        Lead Full Stack Developer

        COMMUNITY HEALTH AND EYECARE LIMITED
        Sheffield, South Yorkshire
        Competitive
        Job summary - An exciting opportunity has arisen for a Lead Full Stack Developer to join our IT team as we embark onto our journey of continued growth. We are looking for a result driven individual to bring new and innovative ideas to our team. Main duties of the job - If successful you will be responsible supporting our Director of Engineering in the end-to-end development of web applications, from concept and design to testing and deployment. The successful candidate will be responsible for multiple developments in the stack, including the design and development of new features and functionality within inhouse systems. About us - Since 2012, CHEC has been working with the NHS to increase patient choice and provide better access to exceptional, timely, locally-based ophthalmology and gastroenterology care free at the point of care.
        Job summary - An exciting opportunity has arisen for a Lead Full Stack Developer to join our IT team as we embark onto our journey of continued growth. We are looking for a result driven individual to bring new and innovative ideas to our team. Main duties of the job - If successful you will be responsible supporting our Director of Engineering in the end-to-end development of web applications, from concept and design to testing and deployment. The successful candidate will be responsible for multiple developments in the stack, including the design and development of new features and functionality within inhouse systems. About us - Since 2012, CHEC has been working with the NHS to increase patient choice and provide better access to exceptional, timely, locally-based ophthalmology and gastroenterology care free at the point of care.
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        We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
        We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
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        Lead Data Engineer

        TALKTALK GROUP LIMITED
        Salford, Greater Manchester
        Competitive
        The Team: The Data Engineering team is positioned in the Delivery business unit of the IT function within the Data & Automation department sitting alongside the Report Engineering, Data Governance, Data Migrations and Automation teams. Data Engineering is a perfect blend of Data Engineers and QA Engineers that are renowned for their forward thinking and trail blazing. Exceptionally talented, supportive and personable, its an area thats challenging, provides excellent growth opportunities and rewarding. * Leading by example, through hands-on development and review of a quality Python and SQL codebase. * Contributing towards a productive team culture through the adoption of automated CI/CD and testing industry practices. * Inputting into planning and estimating work / delivery roadmap. * Keeping up to date with Databricks platform developments and maintaining tech curre
        The Team: The Data Engineering team is positioned in the Delivery business unit of the IT function within the Data & Automation department sitting alongside the Report Engineering, Data Governance, Data Migrations and Automation teams. Data Engineering is a perfect blend of Data Engineers and QA Engineers that are renowned for their forward thinking and trail blazing. Exceptionally talented, supportive and personable, its an area thats challenging, provides excellent growth opportunities and rewarding. * Leading by example, through hands-on development and review of a quality Python and SQL codebase. * Contributing towards a productive team culture through the adoption of automated CI/CD and testing industry practices. * Inputting into planning and estimating work / delivery roadmap. * Keeping up to date with Databricks platform developments and maintaining tech curre
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        Product Manager – App & Website

        Well Pharmacy
        Manchester, Greater Manchester
        Up to £65,000 a year
        Overview of the role - Were looking for an experienced Product Manager to lead our App and Website portfolio within the Digital Product team. These platforms are the core of our patient and customer experience, spanning NHS prescriptions, private clinics, and eCommerce across multiple brands. Today, they run on a mix of Magento, BigCommerce, and React Native and youll help shape their evolution into a unified, composable healthcare ecosystem. This role sits at the heart of our transformation: guiding outsourced development squads, ensuring work aligns with business priorities, and championing patient-centred digital journeys. Alongside direct ownership of the app and website roadmap, youll also provide oversight of a second agency squad flagging risks, ensuring build approaches are sound, and keeping delivery aligned with the broader product strategy.
        Overview of the role - Were looking for an experienced Product Manager to lead our App and Website portfolio within the Digital Product team. These platforms are the core of our patient and customer experience, spanning NHS prescriptions, private clinics, and eCommerce across multiple brands. Today, they run on a mix of Magento, BigCommerce, and React Native and youll help shape their evolution into a unified, composable healthcare ecosystem. This role sits at the heart of our transformation: guiding outsourced development squads, ensuring work aligns with business priorities, and championing patient-centred digital journeys. Alongside direct ownership of the app and website roadmap, youll also provide oversight of a second agency squad flagging risks, ensuring build approaches are sound, and keeping delivery aligned with the broader product strategy.
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        United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
        United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
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        Cloud-native infrastructure in AWS - ECS, Lambda, Step Functions, SNS/SQS, Transit Gateway, Aurora, DynamoDB, CloudFront, S3, AppSync, API Gateway, and many more.
        Cloud-native infrastructure in AWS - ECS, Lambda, Step Functions, SNS/SQS, Transit Gateway, Aurora, DynamoDB, CloudFront, S3, AppSync, API Gateway, and many more.
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        IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
        IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
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        You will lead the security of high-performance computing (HPC) environments and associated systems, leveraging Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, App & API Protector) to protect classified infrastructure. * Design and implement security strategies for HPC environments and defence systems, integrating Akamai Edge solutions for DDoS mitigation, WAF, and API protection. * Expertise in Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, EdgeWorkers) for DDoS, WAF, and API protection.
        You will lead the security of high-performance computing (HPC) environments and associated systems, leveraging Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, App & API Protector) to protect classified infrastructure. * Design and implement security strategies for HPC environments and defence systems, integrating Akamai Edge solutions for DDoS mitigation, WAF, and API protection. * Expertise in Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, EdgeWorkers) for DDoS, WAF, and API protection.
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        NEWFEATURED
        About the job - Are you the kind of person who loves solving complex puzzles and shaping the future of tech? If so, weve got a brilliant opportunity for you. Were on the lookout for a Solution Architect who can bring clarity to complexity, guiding our teams to deliver smart, secure, and scalable technology solutions. Youll be right at the heart of our digital transformationwhere business ambition meets technical brilliance. This role is based in Wakefield, just off Junction 41 on the M1 with hybrid working (23 days a week on site). Youll help turn strategic goals into clear, practical architecture designs that guide how we build and integrate enterprise solutions. Working across a wide range of services, youll ensure solutions are aligned with governance standards and built to last. Evaluating options and shaping requirements with stakeholders will be a key part of yo
        About the job - Are you the kind of person who loves solving complex puzzles and shaping the future of tech? If so, weve got a brilliant opportunity for you. Were on the lookout for a Solution Architect who can bring clarity to complexity, guiding our teams to deliver smart, secure, and scalable technology solutions. Youll be right at the heart of our digital transformationwhere business ambition meets technical brilliance. This role is based in Wakefield, just off Junction 41 on the M1 with hybrid working (23 days a week on site). Youll help turn strategic goals into clear, practical architecture designs that guide how we build and integrate enterprise solutions. Working across a wide range of services, youll ensure solutions are aligned with governance standards and built to last. Evaluating options and shaping requirements with stakeholders will be a key part of yo
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        Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
        Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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        NEW
        Your new company - One of the largest Government Organisations responsible for Trade and Investment - Your new role - What you'll need to succeed - Are you looking to join as a key member of the Microsoft team? Are you looking to utilise Microsoft Office products, specifically Microsoft Dynamics, to deliver solutions in rapid and agile ways that will reduce burdens on staff, maximise the use of data and support decision-making? You will develop your own solutions and be expected to be innovative, but ensure compliance with the appropriate requirements for data protection and information security. As part of this role, you'll actively promote the use of M365 applications, helping the department make the most of the M365 applications that are available. * Develop and configure new and existing services using Power Platform, Plug-Ins, and Dynamics 365
        Your new company - One of the largest Government Organisations responsible for Trade and Investment - Your new role - What you'll need to succeed - Are you looking to join as a key member of the Microsoft team? Are you looking to utilise Microsoft Office products, specifically Microsoft Dynamics, to deliver solutions in rapid and agile ways that will reduce burdens on staff, maximise the use of data and support decision-making? You will develop your own solutions and be expected to be innovative, but ensure compliance with the appropriate requirements for data protection and information security. As part of this role, you'll actively promote the use of M365 applications, helping the department make the most of the M365 applications that are available. * Develop and configure new and existing services using Power Platform, Plug-Ins, and Dynamics 365
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        NEW
        We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
        We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
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        NEW
        UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel * Competitive pension contributions and a comprehensive benefits pa
        UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel * Competitive pension contributions and a comprehensive benefits pa
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        NEW
        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
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        What is the average salary for API in Leeds?

        Average salary per year
        £47,499

        The average salary for a API in Leeds is £47,499. API in Leeds salaries range from £37,499 to £57,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Leeds?
        There are 37 permanent API jobs within 20 miles of Leeds available on CWJobs right now.

        What other similar jobs are there to permanent API jobs in Leeds?
        As well as permanent API jobs in Leeds, you can find permanent DevOps, Implementation, React Developer, amongst many others.