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17 Permanent API jobs in West Sussex + 20 miles
345 exact matches jobs are outside your preferred location
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.Net Developer
.Net Developer
Deerfoot Recruitment Solutions
SO14, Southampton
£55000 - £65000 per annum + Bonus, 26 days hol, 10% pension
Fantastic opportunity for a .NET Developer to join a leading FTSE-listed wealth management firm and play a key role in a business undergoing significant digital transformation. You'll be working in an agile software engineering team, delivering high-quality, end-to-end solutions. * Design and implement high-quality, end-to-end software products using .NET C#. * Build and maintain RESTful APIs to support modern front-end systems. * Collaborate with cross-functional teams to create testable, scalable, and maintainable software. * Integrate with IAM solutions such as Azure AD B2C, OKTA, or Entra. * Support the integration of front-end frameworks, including React, Next.js, and Ionic. * Work within a CI/CD environment, deploying via Azure DevOps pipelines and tools. What You Bring * Microsoft .NET and .NET Core * Developing scalable RESTful backend services
Fantastic opportunity for a .NET Developer to join a leading FTSE-listed wealth management firm and play a key role in a business undergoing significant digital transformation. You'll be working in an agile software engineering team, delivering high-quality, end-to-end solutions. * Design and implement high-quality, end-to-end software products using .NET C#. * Build and maintain RESTful APIs to support modern front-end systems. * Collaborate with cross-functional teams to create testable, scalable, and maintainable software. * Integrate with IAM solutions such as Azure AD B2C, OKTA, or Entra. * Support the integration of front-end frameworks, including React, Next.js, and Ionic. * Work within a CI/CD environment, deploying via Azure DevOps pipelines and tools. What You Bring * Microsoft .NET and .NET Core * Developing scalable RESTful backend services
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Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer, you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions, and contribute directly to the user experience. * Designing and implementing scalable front-end solutions using React, TypeScript, and modern tooling (e.g. Redux, Webpack, Jest). * Breaking down complex, ambiguous problems into clean, testable components. * Performance tuningboost UI responsiveness, decrease load times, and streamline data management. * Selecting and integrating third-party tools and libraries wisely, balancing trade-offs effectively.
Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer, you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions, and contribute directly to the user experience. * Designing and implementing scalable front-end solutions using React, TypeScript, and modern tooling (e.g. Redux, Webpack, Jest). * Breaking down complex, ambiguous problems into clean, testable components. * Performance tuningboost UI responsiveness, decrease load times, and streamline data management. * Selecting and integrating third-party tools and libraries wisely, balancing trade-offs effectively.
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Senior Full Stack Engineer
Senior Full Stack Engineer
REVYBE IT RECRUITMENT LIMITED
EC1, City of London
From £90,000 to £120,000 per annum + Shares
London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
Southampton / Hybrid (3 days in office per week) Permanent - Deerfoot Recruitment is assisting a leading organisation in its search for a talented CRM Developer to join its growing IT team in Southampton. This role offers the chance to shape and deliver innovative solutions within Microsoft Dynamics 365 CRM, supporting business transformation across multiple functions. The role - As a CRM Developer, you will design, develop, and implement custom solutions within Dynamics 365 CRM. You will work closely with stakeholders to translate business needs into scalable technical solutions, while also supporting integration, data migration, testing, and ongoing system enhancements. * Work with the business to define requirements and features, ensuring that robust, scalable, and secure CRM features are developed using Microsoft Dynamics 365.
Southampton / Hybrid (3 days in office per week) Permanent - Deerfoot Recruitment is assisting a leading organisation in its search for a talented CRM Developer to join its growing IT team in Southampton. This role offers the chance to shape and deliver innovative solutions within Microsoft Dynamics 365 CRM, supporting business transformation across multiple functions. The role - As a CRM Developer, you will design, develop, and implement custom solutions within Dynamics 365 CRM. You will work closely with stakeholders to translate business needs into scalable technical solutions, while also supporting integration, data migration, testing, and ongoing system enhancements. * Work with the business to define requirements and features, ensuring that robust, scalable, and secure CRM features are developed using Microsoft Dynamics 365.
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Data Consultant
Data Consultant
Fortice Ltd
London
From £45,000 to £80,000 per annum Open to candidates of all experience
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
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D365 Functional Consultant / Analyst (Not-for-Profit) Permanent | West London | Hybrid - About the role - 167 Solutions are hiring on behalf of a fantastic not-for-profit based in West London. We are looking for a Dynamics 365 Functional Consultant/Analyst to own discovery, configuration and continuous improvement across Dynamics 365 and the wider Power Platform. You will gather requirements, translate them into well-designed solutions, and help the organisation get real value from its CRM. Key responsibilities * Run discovery workshops and turn business needs into clear user stories and acceptance criteria * Configure Dynamics 365 CE modules (Sales, Service), Dataverse, forms, views, business rules and security roles * Build and optimise Power Platform solutions, including Power Automate flows and model-driven apps
D365 Functional Consultant / Analyst (Not-for-Profit) Permanent | West London | Hybrid - About the role - 167 Solutions are hiring on behalf of a fantastic not-for-profit based in West London. We are looking for a Dynamics 365 Functional Consultant/Analyst to own discovery, configuration and continuous improvement across Dynamics 365 and the wider Power Platform. You will gather requirements, translate them into well-designed solutions, and help the organisation get real value from its CRM. Key responsibilities * Run discovery workshops and turn business needs into clear user stories and acceptance criteria * Configure Dynamics 365 CE modules (Sales, Service), Dataverse, forms, views, business rules and security roles * Build and optimise Power Platform solutions, including Power Automate flows and model-driven apps
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Proven track record in API design and development.
Proven track record in API design and development.
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Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
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5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
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Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
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Experience with Power Automate and API development is a plus.
Experience with Power Automate and API development is a plus.
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Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
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Title: Senior Software Engineer (Driver/API)
Title: Senior Software Engineer (Driver/API)
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Background in API design and automated testing frameworks.
Background in API design and automated testing frameworks.
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Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
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Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Senior Backend Engineer
Senior Backend Engineer
Innovate Recruitment Ltd
EC1N, City of London
Up to £95,000 per annum Benefits, Bonus, Share scheme
Experience building cloud-based REST API solutions
Experience building cloud-based REST API solutions
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AI (artificial intelligence) DevOps Engineer
AI (artificial intelligence) DevOps Engineer
Huxley Associates
EC1, City of London
£60000 - £90000 per annum
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
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Strong knowledge of Salesforce Lightning Web Components (LWC), Apex, SOQL, JavaScript Salesforce Lightning Design System (SLDS), REST API, Git and packages.
Strong knowledge of Salesforce Lightning Web Components (LWC), Apex, SOQL, JavaScript Salesforce Lightning Design System (SLDS), REST API, Git and packages.
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Knowledge of API testing and tools such as SoapUI or Postman.
Knowledge of API testing and tools such as SoapUI or Postman.
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Technical Architect
Technical Architect
Inspire People
London
£71590 - £85413 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
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Familiarity with testing tools/frameworks (e.g., JUnit, Postman) and API testing
Familiarity with testing tools/frameworks (e.g., JUnit, Postman) and API testing
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