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4 Permanent API jobs in Middlesbrough + 20 miles
70 exact matches jobs are outside your preferred location
Senior Front-end (Web CMS) Developer
Senior Front-end (Web CMS) Developer
The University of York
York, North Yorkshire
£37,694 - £46,049 a year
This role sits within the Universitys Communications department, working as a partner to an existing Senior Front-end Developer to drive forward the functionality of our website to maximise our student recruitment outcomes and for the benefit of all users. The role will build upon the successful 2025 rollout of the updated University brand and modernisation of our digital pattern library. You will play a key role in shaping the ongoing digital implementation of the brand and rollout to other systems, including building new and improved components, bringing the brand to life through high-quality, performant, and accessible front-end code. * Build reusable components and design patterns using HTML, CSS and JavaScript. * Integrate front-end code into the Terminalfour (T4) Web CMS and other platforms.
This role sits within the Universitys Communications department, working as a partner to an existing Senior Front-end Developer to drive forward the functionality of our website to maximise our student recruitment outcomes and for the benefit of all users. The role will build upon the successful 2025 rollout of the updated University brand and modernisation of our digital pattern library. You will play a key role in shaping the ongoing digital implementation of the brand and rollout to other systems, including building new and improved components, bringing the brand to life through high-quality, performant, and accessible front-end code. * Build reusable components and design patterns using HTML, CSS and JavaScript. * Integrate front-end code into the Terminalfour (T4) Web CMS and other platforms.
Role: Full Stack Java Developer - DV Cleared - Company: Infotel UK - Infotel UK is seeking an experienced Full Stack Java Developer with DV (Developed Vetting) clearance for a critical project. The successful candidate will work on high-impact applications, contributing to both front-end and back-end development using Java technologies in a secure environment. * Develop and maintain Java-based applications ensuring high performance and security standards. * Work collaboratively with cross-functional teams to gather requirements and deliver solutions aligned with project goals. * Participate in code reviews, testing, and deployment. * Ensure compliance with security protocols and standards relevant to DV cleared projects. * Provide technical expertise and troubleshooting support. * Current DV clearance is mandatory.
Role: Full Stack Java Developer - DV Cleared - Company: Infotel UK - Infotel UK is seeking an experienced Full Stack Java Developer with DV (Developed Vetting) clearance for a critical project. The successful candidate will work on high-impact applications, contributing to both front-end and back-end development using Java technologies in a secure environment. * Develop and maintain Java-based applications ensuring high performance and security standards. * Work collaboratively with cross-functional teams to gather requirements and deliver solutions aligned with project goals. * Participate in code reviews, testing, and deployment. * Ensure compliance with security protocols and standards relevant to DV cleared projects. * Provide technical expertise and troubleshooting support. * Current DV clearance is mandatory.
Company Description - Angstrom is a proprietary sports pricing and product provider, building intricate, simulation driven pricing and risk systems to support the success of key sports brands across the Entain group. Founded in 2018 and having established itself as a pioneer in player-level, play-by-play simulations and forecasting, Angstrom was acquired by Entain in 2023. Today, we operate as a semi-autonomous division, responsible for delivering the groups most advanced pricing and risk capabilities with a focus on the US market. Were committed to building the next generation of sports betting products sports-first, recreationally-focused, and designed to make betting more engaging, more intelligent, and more fun. Were proud to be a high-performing, low-ego team where brilliant people work and people work to become brilliant.
Company Description - Angstrom is a proprietary sports pricing and product provider, building intricate, simulation driven pricing and risk systems to support the success of key sports brands across the Entain group. Founded in 2018 and having established itself as a pioneer in player-level, play-by-play simulations and forecasting, Angstrom was acquired by Entain in 2023. Today, we operate as a semi-autonomous division, responsible for delivering the groups most advanced pricing and risk capabilities with a focus on the US market. Were committed to building the next generation of sports betting products sports-first, recreationally-focused, and designed to make betting more engaging, more intelligent, and more fun. Were proud to be a high-performing, low-ego team where brilliant people work and people work to become brilliant.
Join the Exciting Journey at tombola! We are seeking a Software Developer for our backend development team to actively contribute to the design, development and delivery of the game engine services within our B2B platform. In this team, youll be building the systems that allow our games to be used by other businesses. Rather than focusing purely on the player-facing experience, youll be working on the technology that connects our games to external partners, ensuring everything runs smoothly, securely and reliably at scale. The role involves being a part of a newly established team with a focus on learning the business use case around the solution, contributing to the development of new services and showcasing your technical expertise in delivering backend systems that support external integrations.
Join the Exciting Journey at tombola! We are seeking a Software Developer for our backend development team to actively contribute to the design, development and delivery of the game engine services within our B2B platform. In this team, youll be building the systems that allow our games to be used by other businesses. Rather than focusing purely on the player-facing experience, youll be working on the technology that connects our games to external partners, ensuring everything runs smoothly, securely and reliably at scale. The role involves being a part of a newly established team with a focus on learning the business use case around the solution, contributing to the development of new services and showcasing your technical expertise in delivering backend systems that support external integrations.
Knowledge of web security, RESTful Web Services and RESTful architecture and API design principles.
Knowledge of web security, RESTful Web Services and RESTful architecture and API design principles.
Youll join our product and engineering team working on a Django back end and REST API that powers the Shortlister platform. Own and enhance our Django REST API, improving performance, security, maintainability and developer experience * Solid understanding of API design and HTTP fundamentals (authentication, headers, CORS, versioning)
Youll join our product and engineering team working on a Django back end and REST API that powers the Shortlister platform. Own and enhance our Django REST API, improving performance, security, maintainability and developer experience * Solid understanding of API design and HTTP fundamentals (authentication, headers, CORS, versioning)
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
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Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
UK
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
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The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The ideal candidate will be an experienced Python developer with a strong understanding of modern backend engineering principles, cloud-native development, and API design.
The engineering team works on a fully modernised, cloud-hosted SaaS platform built using contemporary frameworks and best practices, with a focus on scalable architecture, API-first design, and test-driven development. * API design and third-party integrations (payments, SaaS tools, external services)
The engineering team works on a fully modernised, cloud-hosted SaaS platform built using contemporary frameworks and best practices, with a focus on scalable architecture, API-first design, and test-driven development. * API design and third-party integrations (payments, SaaS tools, external services)
Architect data contract and schema governance across pipeline boundaries, structurally enforcing schema conformity and API contract compliance.
Architect data contract and schema governance across pipeline boundaries, structurally enforcing schema conformity and API contract compliance.
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API and systems integration experience
API and systems integration experience
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Software Engineer & Cloud Operations Specialist - Node, AWS.
Software Engineer & Cloud Operations Specialist - Node, AWS.
S Merrick LTD
Europe
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
Software Engineer & Cloud Operations Specialist - Node, AWS
Software Engineer & Cloud Operations Specialist - Node, AWS
S Merrick LTD
UK
Unspecified Daily Rate Negotiable - Outside IR35
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
You must have strong hands-on production Node.js and Python API development experience. * Frequent/daily Node.js backend/API development * Production Python API development, ideally Flask or FastAPI - Please only apply if you can commit to 24 hours per week and your CV clearly demonstrates production Node.js, Python API, AWS infrastructure, Docker and Ansible experience.
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Penetration Tester (CHECK / CREST)
Penetration Tester (CHECK / CREST)
Oscar Associates (UK) Limited
UK
£55000 - £90000 per annum + Expenses + Overnight Bonus
Deliver web application, API, and infrastructure penetration tests, taking ownership of engagements end-to-end from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional consultancy setting.
Deliver web application, API, and infrastructure penetration tests, taking ownership of engagements end-to-end from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional consultancy setting.
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Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
Develop and maintain product documentation for product requirements, release notes, API documentation and internal materials.
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You will work on complex automation projects, contributing to the architecture, implementation, and improvement of automated test frameworks across UI, API, and database systems. * Develops and maintains complex automated scripts for UI, API, and database systems, ensuring high performance, reliability, and adherence to standards. * Deep practical knowledge of industry-standard tools for web, API, and mobile testing, with the ability to troubleshoot complex environment-specific issues. * A structured and proficient approach to API testing using both automated code frameworks and exploratory tools like Postman.
You will work on complex automation projects, contributing to the architecture, implementation, and improvement of automated test frameworks across UI, API, and database systems. * Develops and maintains complex automated scripts for UI, API, and database systems, ensuring high performance, reliability, and adherence to standards. * Deep practical knowledge of industry-standard tools for web, API, and mobile testing, with the ability to troubleshoot complex environment-specific issues. * A structured and proficient approach to API testing using both automated code frameworks and exploratory tools like Postman.
PREMIUM
Exposure to API technologies such as GraphQL, gRPC or API gateway patterns.
Exposure to API technologies such as GraphQL, gRPC or API gateway patterns.
Advanced knowledge of the end-to-end testing ecosystem, including web, API, and mobile tools, with the ability to evaluate and onboard new technologies for different client contexts. * Proficiency in API testing and the integration of automated security or performance checks into the API layer.
Advanced knowledge of the end-to-end testing ecosystem, including web, API, and mobile tools, with the ability to evaluate and onboard new technologies for different client contexts. * Proficiency in API testing and the integration of automated security or performance checks into the API layer.
PREMIUM
UX/UI Engineer (AI-Driven Product Development) Location: UK Remote - Salary: £45,000 - £55,000 - Type: Permanent, Full-Time - Please note: Applicants must be based in the UK. Sponsorship is not available for this position. The Opportunity - We're partnering with an innovative technology company developing enterprise software solutions for highly regulated industries. As the business continues to grow, they're looking for a UX/UI Engineer who embraces AI-powered development and can leverage modern tools to accelerate design, prototyping, and product delivery. This is an exciting opportunity to join a product-focused team where AI is a core part of the development process. You'll help transform complex workflows and business requirements into intuitive, scalable, and engaging user experiences while working closely with Product and Engineering teams. The Role
UX/UI Engineer (AI-Driven Product Development) Location: UK Remote - Salary: £45,000 - £55,000 - Type: Permanent, Full-Time - Please note: Applicants must be based in the UK. Sponsorship is not available for this position. The Opportunity - We're partnering with an innovative technology company developing enterprise software solutions for highly regulated industries. As the business continues to grow, they're looking for a UX/UI Engineer who embraces AI-powered development and can leverage modern tools to accelerate design, prototyping, and product delivery. This is an exciting opportunity to join a product-focused team where AI is a core part of the development process. You'll help transform complex workflows and business requirements into intuitive, scalable, and engaging user experiences while working closely with Product and Engineering teams. The Role
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Freelance/Contract SAP ABAP Developer (E-Invoicing) - Remote - Europe - Location - Remote - Engagement Type - On-Demand Contractor - Work Arrangement * 0-20 hours per week * Work assigned based on project demand * Flexible, as-needed engagement model * Long-term opportunity for the right consultant - Position Summary - We are seeking an experienced SAP ABAP Developer to provide on-demand development and support services across SAP landscapes. The successful consultant will support enhancement, integration, compliance, and maintenance activities, working closely with functional and technical teams to deliver high-quality SAP solutions. A key focus of this role will be supporting Poland eInvoicing (KSeF) requirements, including integration development, XML processing, compliance validation, and submission management. Key Responsibilities
Freelance/Contract SAP ABAP Developer (E-Invoicing) - Remote - Europe - Location - Remote - Engagement Type - On-Demand Contractor - Work Arrangement * 0-20 hours per week * Work assigned based on project demand * Flexible, as-needed engagement model * Long-term opportunity for the right consultant - Position Summary - We are seeking an experienced SAP ABAP Developer to provide on-demand development and support services across SAP landscapes. The successful consultant will support enhancement, integration, compliance, and maintenance activities, working closely with functional and technical teams to deliver high-quality SAP solutions. A key focus of this role will be supporting Poland eInvoicing (KSeF) requirements, including integration development, XML processing, compliance validation, and submission management. Key Responsibilities
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Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
Senior Developer - Contract Type: Full-Time, Permanent - Salary: Up to £65,000 per annum - Location: Home Based - Overview - We are seeking a Senior Developer to join a software engineering team responsible for building and operating a modern Azure-based platform alongside on-premise solutions in the Rail sector. This is a hands-on technical role focused on the design, development, support, and continuous improvement of software solutions, with a strong emphasis on Kubernetes, C#/.NET, and contributing to the adoption of AI-driven capabilities across products and services. You will play a key role in the ongoing development of the technical platform, ensuring solutions remain scalable, secure, and fit for purpose, while supporting the use of emerging technologies, including AI and intelligent automation, where these can add real value. The Role - Software Development
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About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We''re now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose
About the Role At Barchester, our people are at the heart of everything we doand great people need great systems behind them. We''re now looking for an experienced HR Systems Analyst to support and enhance our HR technology, ensuring data integrity, system efficiency and a seamless employee experience across the organisation. This is a key role within People Services, where you will take ownership of our HR systems, supporting day-to-day operations while playing an important part in our HRIS transformation journey. You'll work with People, Payroll and IT teams to improve processes, drive automation and maximise the value of our systems. Responsibilities HR Systems Management & Support - Administer and maintain HR systems, including Resourcelink (Zellis) Ensure systems are accurate, reliable and fit for purpose