API Development Jobs in Hertfordshire

1 to 25 of 36 API Development Jobs in Hertfordshire

- Urgent! Polyglot Fullstack Tech leads Needed – UK-based – Series A Funded Startup – Rapid Gro[...]

Stevenage, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . … API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration More ❯
Posted:

- Urgent! Polyglot Fullstack Tech leads Needed – UK-based – Series A Funded Startup – Rapid Gro[...]

Watford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . … API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration More ❯
Posted:

- Urgent! Polyglot Fullstack Tech leads Needed – UK-based – Series A Funded Startup – Rapid Gro[...]

Hemel Hempstead, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . … API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration More ❯
Posted:

Urgent! x3 Tech Leads - UK-based - Series A Funded Startup - Rapid Growth - Fully Remote

Stevenage, Hertfordshire, UK
Hybrid / WFH Options
Areti Group | B CorpTM
React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum and Kanban Key Responsibilities: Full-Stack Development: Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management: Build scalable, cloud-based solutions using AWS, PostgreSQL, and DynamoDB. API Development: Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns: Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD: Use DevOps processes, including virtualization, containerization, and CI/CD pipelines to streamline development and deployment. Agile Collaboration: Work More ❯
Employment Type: Full-time
Posted:

Urgent! x3 Tech Leads - UK-based - Series A Funded Startup - Rapid Growth - Fully Remote

Watford, Hertfordshire, UK
Hybrid / WFH Options
Areti Group | B CorpTM
React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum and Kanban Key Responsibilities: Full-Stack Development: Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management: Build scalable, cloud-based solutions using AWS, PostgreSQL, and DynamoDB. API Development: Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns: Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD: Use DevOps processes, including virtualization, containerization, and CI/CD pipelines to streamline development and deployment. Agile Collaboration: Work More ❯
Employment Type: Full-time
Posted:

Urgent! x3 Tech Leads - UK-based - Series A Funded Startup - Rapid Growth - Fully Remote

Hemel Hempstead, Hertfordshire, UK
Hybrid / WFH Options
Areti Group | B CorpTM
React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum and Kanban Key Responsibilities: Full-Stack Development: Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management: Build scalable, cloud-based solutions using AWS, PostgreSQL, and DynamoDB. API Development: Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns: Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD: Use DevOps processes, including virtualization, containerization, and CI/CD pipelines to streamline development and deployment. Agile Collaboration: Work More ❯
Employment Type: Full-time
Posted:

Software Engineer

Stevenage, England, United Kingdom
Akkodis
APIs and AWS Lambda functions to support data processing and integration needs. Integrate SaaS applications with cloud environments, focusing on secure and efficient data flow. Use AWS services like API Gateway, Lambda, EventBridge, SNS, SQS, and Glue to implement integration solutions. Participate in technical discussions about API design, data flow, and integration strategies. Write clean, maintainable, and well … Agile/Scrum ceremonies and contribute to timely delivery of tasks. Monitor, troubleshoot, and optimize integration workflows using AWS tools (CloudWatch, CloudTrail). Required Experience: 3+ years of software development experience, ideally with some system integration or API development exposure. Proficiency in Java or Python. Practical experience with AWS services such as Lambda, API Gateway, EventBridge … SQS, SNS, or Glue. Familiarity with RESTful APIs and API security concepts (OAuth, JWT). Experience with version control systems like Git. Strong problem-solving and communication skills. Ability to work collaboratively in Agile teams. More ❯
Posted:

Software Engineer

Watford, Hertfordshire, UK
Akkodis
APIs and AWS Lambda functions to support data processing and integration needs. Integrate SaaS applications with cloud environments, focusing on secure and efficient data flow. Use AWS services like API Gateway, Lambda, EventBridge, SNS, SQS, and Glue to implement integration solutions. Participate in technical discussions about API design, data flow, and integration strategies. Write clean, maintainable, and well … Agile/Scrum ceremonies and contribute to timely delivery of tasks. Monitor, troubleshoot, and optimize integration workflows using AWS tools (CloudWatch, CloudTrail). Required Experience: 3+ years of software development experience, ideally with some system integration or API development exposure. Proficiency in Java or Python. Practical experience with AWS services such as Lambda, API Gateway, EventBridge … SQS, SNS, or Glue. Familiarity with RESTful APIs and API security concepts (OAuth, JWT). Experience with version control systems like Git. Strong problem-solving and communication skills. Ability to work collaboratively in Agile teams. More ❯
Employment Type: Full-time
Posted:

System Analyst

Stevenage, Hertfordshire, UK
Vallum Associates
System Analyst Location: United Kingdom (Remote) Experience Required: 5+ Years Job Type: Full-Time Job Summary: We are seeking a seasoned Technical Analyst with a strong background in application development, system analysis, and digital transformation to join our team. The ideal candidate will serve as a key bridge between business stakeholders and development teams, helping to modernize and … optimize BAU processes currently running on legacy systems. This role requires hands-on technical expertise in API development, React, and strong proficiency in SQL (preferably including Oracle SQL). Key Responsibilities: Collaborate with business stakeholders to understand and document current BAU (Business-as-Usual) processes. Analyze and propose improvements to existing BAU workflows to drive efficiency and performance. … deep understanding of application architecture and integration points. Work closely with third-party vendors to manage dependencies, issues, and timelines. Translate business requirements into technical solutions and collaborate with development teams to ensure successful delivery. Provide technical guidance during the design and development of applications. Develop and maintain RESTful APIs and contribute to front-end development using More ❯
Employment Type: Full-time
Posted:

System Analyst

Hemel Hempstead, Hertfordshire, UK
Vallum Associates
System Analyst Location: United Kingdom (Remote) Experience Required: 5+ Years Job Type: Full-Time Job Summary: We are seeking a seasoned Technical Analyst with a strong background in application development, system analysis, and digital transformation to join our team. The ideal candidate will serve as a key bridge between business stakeholders and development teams, helping to modernize and … optimize BAU processes currently running on legacy systems. This role requires hands-on technical expertise in API development, React, and strong proficiency in SQL (preferably including Oracle SQL). Key Responsibilities: Collaborate with business stakeholders to understand and document current BAU (Business-as-Usual) processes. Analyze and propose improvements to existing BAU workflows to drive efficiency and performance. … deep understanding of application architecture and integration points. Work closely with third-party vendors to manage dependencies, issues, and timelines. Translate business requirements into technical solutions and collaborate with development teams to ensure successful delivery. Provide technical guidance during the design and development of applications. Develop and maintain RESTful APIs and contribute to front-end development using More ❯
Employment Type: Full-time
Posted:

Software Architect

Watford, Hertfordshire, UK
Hybrid / WFH Options
Search 5.0
world’s most impressive payments businesses that work within a dynamic remote-first model. Our client’s aim is to hire a Software Architect to lead the design and development of scalable, high-performance software solutions. This role involves collaborating with cross-functional teams to ensure architectural integrity and alignment with business objectives. The successful candidate will work in … a multi-disciplinary team keeping close relationships with the product and development teams as well as external stakeholders. The Role Design and implement robust, scalable, and secure software architectures for our payment processing systems. Collaborate with product managers, developers, and stakeholders to translate business requirements into technical solutions. Evaluate and recommend technologies, tools, and frameworks to enhance our technology … stack. Lead architectural reviews and ensure adherence to best practices and coding standards. Mentor and guide development teams, fostering a culture of continuous improvement. Address performance and scalability challenges, implementing solutions to optimize system efficiency. Maintain comprehensive architectural documentation to support development and operational activities. What would make you a good fit? Bachelor’s or Master’s degree More ❯
Employment Type: Full-time
Posted:

Software Architect

Hemel Hempstead, Hertfordshire, UK
Hybrid / WFH Options
Search 5.0
world’s most impressive payments businesses that work within a dynamic remote-first model. Our client’s aim is to hire a Software Architect to lead the design and development of scalable, high-performance software solutions. This role involves collaborating with cross-functional teams to ensure architectural integrity and alignment with business objectives. The successful candidate will work in … a multi-disciplinary team keeping close relationships with the product and development teams as well as external stakeholders. The Role Design and implement robust, scalable, and secure software architectures for our payment processing systems. Collaborate with product managers, developers, and stakeholders to translate business requirements into technical solutions. Evaluate and recommend technologies, tools, and frameworks to enhance our technology … stack. Lead architectural reviews and ensure adherence to best practices and coding standards. Mentor and guide development teams, fostering a culture of continuous improvement. Address performance and scalability challenges, implementing solutions to optimize system efficiency. Maintain comprehensive architectural documentation to support development and operational activities. What would make you a good fit? Bachelor’s or Master’s degree More ❯
Employment Type: Full-time
Posted:

Software Architect

Stevenage, Hertfordshire, UK
RedRock Resourcing
Java, Power Platform) Proficiency in CI/CD tools (Azure DevOps, GitHub, GitLab, etc.) Hands-on with Infrastructure as Code (Terraform, Bicep, ARM) Understanding of DevOps/SRE principles, API development, and SDLC best practices Apply now for more details More ❯
Employment Type: Full-time
Posted:

Software Architect

Watford, Hertfordshire, UK
RedRock Resourcing
Java, Power Platform) Proficiency in CI/CD tools (Azure DevOps, GitHub, GitLab, etc.) Hands-on with Infrastructure as Code (Terraform, Bicep, ARM) Understanding of DevOps/SRE principles, API development, and SDLC best practices Apply now for more details More ❯
Employment Type: Full-time
Posted:

Software Architect

Hemel Hempstead, Hertfordshire, UK
RedRock Resourcing
Java, Power Platform) Proficiency in CI/CD tools (Azure DevOps, GitHub, GitLab, etc.) Hands-on with Infrastructure as Code (Terraform, Bicep, ARM) Understanding of DevOps/SRE principles, API development, and SDLC best practices Apply now for more details More ❯
Employment Type: Full-time
Posted:

Solutions Architect

Watford, Hertfordshire, United Kingdom
Burns Sheehan
complex information to diverse audiences, motivate others, and adapt communication style accordingly. Experience leading technological change, with relevant stories to tell. Proficiency in technologies such as cloud, platform engineering, API development, message buses, workflow engines, etc., and programming languages like C, C++, C#.NET, Python, PHP. Advocate for Agile methodologies, with the ability to drive Agile delivery, and a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Javascript Developer

Watford, Hertfordshire, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Node, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Node on AWS. Utilize AWS services such as Lambda, DynamoDB, S3, ECS, ECR for efficient data processing. Develop and maintain Docker containers … for data processing. Integration and Deployment: 3rd party API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Node with AWS services, serverless architecture, and Docker … per annum. Remote: Enjoy the flexibility of working from anywhere. Comprehensive health insurance coverage for you and your family. Plan: Secure your future with our contributory pension scheme. and Development: Continuous learning opportunities to enhance your skills. Balance: Flexible working hours to support your work-life balance. Leave: 25 days paid (plus Bank Holidays). If you feel you More ❯
Employment Type: Full-time
Posted:

Javascript Developer

Hemel Hempstead, Hertfordshire, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Node, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Node on AWS. Utilize AWS services such as Lambda, DynamoDB, S3, ECS, ECR for efficient data processing. Develop and maintain Docker containers … for data processing. Integration and Deployment: 3rd party API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Node with AWS services, serverless architecture, and Docker … per annum. Remote: Enjoy the flexibility of working from anywhere. Comprehensive health insurance coverage for you and your family. Plan: Secure your future with our contributory pension scheme. and Development: Continuous learning opportunities to enhance your skills. Balance: Flexible working hours to support your work-life balance. Leave: 25 days paid (plus Bank Holidays). If you feel you More ❯
Employment Type: Full-time
Posted:

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 -[...]

Hemel Hempstead, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯
Posted:

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 -[...]

Watford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯
Posted:

Solutions Architect

St Albans, England, United Kingdom
ZipRecruiter
Job Description Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: Salary +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They’re seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role: We … disparate systems, and overseeing their seamless migration to a new, unified platform — ensuring zero downtime throughout. In addition, you’ll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We’re Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and non More ❯
Posted:

Solutions Architect

St. Albans, Hertfordshire, South East, United Kingdom
Method-Resourcing
Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: Salary +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role: We're seeking … disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We're Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and More ❯
Employment Type: Permanent
Posted:

Solutions Architect

St Albans, England, United Kingdom
Army Marketing
Solutions Architect role at Army Marketing 2 days ago Be among the first 25 applicants Join to apply for the Solutions Architect role at Army Marketing Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: Salary +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability … disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We're Looking For Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and More ❯
Posted:

Golang Developer

Watford, Hertfordshire, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Golang, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Golang on AWS. Utilize AWS services such as DynamoDB, S3, ECS, ECR for efficient data processing. Integration and Deployment: 3rd part API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Golang (additional Nodejs experience could be beneficial) with AWS services, serverless architecture, and Docker containers. problem-solving More ❯
Employment Type: Full-time
Posted:

Golang Developer

Hemel Hempstead, Hertfordshire, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Golang, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Golang on AWS. Utilize AWS services such as DynamoDB, S3, ECS, ECR for efficient data processing. Integration and Deployment: 3rd part API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Golang (additional Nodejs experience could be beneficial) with AWS services, serverless architecture, and Docker containers. problem-solving More ❯
Employment Type: Full-time
Posted:
API Development
Hertfordshire
10th Percentile
£81,250
25th Percentile
£82,500
Median
£85,000
75th Percentile
£87,500