'API Development' Job Vacancies

126 to 150 of 510 API Development Jobs

SharePoint Developer

United Kingdom
Morgan Law
A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯
Employment Type: Permanent
Salary: GBP 56,000 - 61,500 Annual
Posted:

SharePoint Developer

South London, London, United Kingdom
Morgan Law
A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯
Employment Type: Permanent
Salary: £56000 - £61500/annum
Posted:

AI Engineer

United Kingdom
Trust In SODA
exceptional user experiences? A market-leading FinTech company—known for delivering best-in-class solutions in core business operations is seeking a collaborative engineer to join their dedicated AI development team. We believe brilliant minds create brilliant software, and we're expanding our capabilities to set a new standard in the industry. The Impact: Defining AI Interaction This role … managers to translate technical concepts into practical, market-ready solutions. Quality & Best Practices: Write robust, well-documented, and testable code, actively participating in code reviews and elevating front-end development standards. Your Technical Profile: We are looking for an adaptable, self-starting individual with a strong foundation in modern web technologies and a genuine enthusiasm for AI. Core Expertise … C#, .NET/JavaScript/Node Experience in front-end development and demonstrated proficiency with leading JavaScript frameworks (e.g., React, Vue, Angular). Web Fundamentals: Deep understanding of HTML5, CSS3, and responsive design principles. API Development: Proven ability to design and implement RESTful services. Cloud Exposure: Familiarity with major cloud providers (Azure, AWS, or GCP). Process More ❯
Posted:

Senior Python Developer

South West London, London, United Kingdom
Hybrid / WFH Options
Run-Time Group Ltd
paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/CD processes. Optimize applications for performance and scalability. Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University … 1st or 2:1). 5+ years of full-stack development experience (Python/Django). Strong experience with SQL databases (PostgreSQL/MySQL). Familiarity with DevOps tools (Docker, Kubernetes, AWS/GCP/Azure). Experience with API development and Git. More ❯
Employment Type: Permanent, Work From Home
Posted:

Consultant Software Developer - Hybrid Working

Bedford, Bedfordshire, England, United Kingdom
Hybrid / WFH Options
Oliver James
scalable solutions from the ground up, and work closely with clients to solve meaningful business problems. You'll operate in small project teams (or sometimes independently), across the full development lifecycle from business requirements through to deployment and optimisation. Key Responsibilities Design, develop, and deliver high-quality software solutions in line with client needs and business goals Lead or … architecture, offering input into technology and design decisions Collaborate directly with clients to understand their operations and challenges Work across the full stack - backend through to frontend using modern development practices Take ownership of project delivery with an awareness of budgets and timelines Apply a problem-solving mindset and adapt quickly to different industries and business domains Core Technical … Skills Required C#/.NET (Core and Framework) strong backend development experience essential JavaScript and React for building responsive, user-friendly front-end applications Familiarity with API development (RESTful services) Experience with SQL Server and database integration Comfortable working in DevOps environments (CI/CD pipelines, version control, automated testing) Strong understanding of application architecture and scalable More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Consultant Software Developer - Hybrid Working

Crawley, West Sussex, England, United Kingdom
Hybrid / WFH Options
Oliver James
scalable solutions from the ground up, and work closely with clients to solve meaningful business problems. You'll operate in small project teams (or sometimes independently), across the full development lifecycle from business requirements through to deployment and optimisation. Key Responsibilities Design, develop, and deliver high-quality software solutions in line with client needs and business goals Lead or … architecture, offering input into technology and design decisions Collaborate directly with clients to understand their operations and challenges Work across the full stack - backend through to frontend using modern development practices Take ownership of project delivery with an awareness of budgets and timelines Apply a problem-solving mindset and adapt quickly to different industries and business domains Core Technical … Skills Required C#/.NET (Core and Framework) strong backend development experience essential JavaScript and React for building responsive, user-friendly front-end applications Familiarity with API development (RESTful services) Experience with SQL Server and database integration Comfortable working in DevOps environments (CI/CD pipelines, version control, automated testing) Strong understanding of application architecture and scalable More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Backend Software Engineer

City of London, London, United Kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Backend Software Engineer

London Area, United Kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Backend Software Engineer

london, south east england, united kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Backend Software Engineer

slough, south east england, united kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Backend Software Engineer

london (city of london), south east england, united kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

MuleSoft Developer

London Area, United Kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

MuleSoft Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

MuleSoft Developer

South East, United Kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

MuleSoft Developer

london, south east england, united kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

MuleSoft Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

MuleSoft Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

Software Developer

Saint Louis, Missouri, United States
ALTA IT Services
Clearance: Active Top Secret clearance required (with the ability to upgrade to a CI Poly) Compensation: $120,000 - $150,000 (depending on experience) Job Responsibilities: This position involves software development activities that support building and delivering new and innovative software solutions to Aeronautical based applications. Duties will include building AWS services, deep understanding of software languages (C#/Java … Python, Shell), participate in Agile Methodology, perform deployments to multiple development, test and operational environments, patching, troubleshooting, and working with internal teams and departments. Core Qualifications: The applicant must possess a deep understanding of core AWS services, like compute, storage and be able to develop and deploy cores services (Lambda, EC2s) C#/Java and JavaScript/TypeScript, Python … new and existing functionality within software version control repositories (Gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct Participate in program Agile software development initiatives (standup, planning, Increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing utilizing Atlassian (Jira/Confluence) Primary responsibilities will involve using cloud More ❯
Employment Type: Permanent
Salary: USD 150,000 Annual
Posted:

Software Engineer - Pensions, ISA & Investments

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯
Employment Type: Permanent, Part Time, Work From Home
Salary: £65,000
Posted:

Software Engineer - Pensions, ISA & Investments

newport, wales, united kingdom
Hybrid / WFH Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯
Posted:

Software Engineer - Pensions, ISA & Investments

bristol, south west england, united kingdom
Hybrid / WFH Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯
Posted:

Software Engineer - Pensions, ISA & Investments

bath, south west england, united kingdom
Hybrid / WFH Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯
Posted:

Software Engineer - Pensions, ISA & Investments

bradley stoke, south west england, united kingdom
Hybrid / WFH Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯
Posted:

GenAI Python Developer x4

City of London, London, United Kingdom
Hybrid / WFH Options
EMBS Technology
environments with tight security controls Experience integrating AI or ML services into real-world applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as More ❯
Posted:

GenAI Python Developer x4

London Area, United Kingdom
Hybrid / WFH Options
EMBS Technology
environments with tight security controls Experience integrating AI or ML services into real-world applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as More ❯
Posted:
API Development
10th Percentile
£46,500
25th Percentile
£52,400
Median
£65,000
75th Percentile
£81,250
90th Percentile
£92,500