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2 Contract API jobs in East Sussex + 20 miles
Embedded ISV Solution Architect - Tax Technology
Embedded ISV Solution Architect - Tax Technology
Sovos Compliance / Fiscal Reps Ltd
Brighton, East Sussex
Competitive
Recommend authentication and security methods (OAuth 2.0, JWT, API keys)
Recommend authentication and security methods (OAuth 2.0, JWT, API keys)
Senior Machine Learning Operations Engineer
Senior Machine Learning Operations Engineer
FIRST CENTRAL SERVICES (UK) LIMITED
Haywards Heath, West Sussex
£65,000 - £75,000 a year
Understanding of microservices architecture, RESTful API design, development, and integration
Understanding of microservices architecture, RESTful API design, development, and integration
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184 exact matches jobs are outside your preferred location
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Solid understanding of REST API development, integrations, and modern application architecture.
Solid understanding of REST API development, integrations, and modern application architecture.
Analyse technical capabilities, integrations, and API readiness.
Analyse technical capabilities, integrations, and API readiness.
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Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
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MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
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Strong knowledge of API integration.
Strong knowledge of API integration.
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APIs: REST API
APIs: REST API
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Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
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Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
3 or more years' experience of technical testing micro services solutions, at a service and API layer specifically * Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layer
3 or more years' experience of technical testing micro services solutions, at a service and API layer specifically * Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layer
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Role - .Net Engineer - Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 - Rate - £475 to £525 per day - Start - ASAP - This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity - We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
Role - .Net Engineer - Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 - Rate - £475 to £525 per day - Start - ASAP - This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity - We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
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Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
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Hands-on with PowerShell and Microsoft Graph API for security automation
Hands-on with PowerShell and Microsoft Graph API for security automation
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Troubleshoot and resolve complex technical cases involving Airtable's API, SAML/SSO, SCIM provisioning, advanced automations, scripting, and third-party integrations.
Troubleshoot and resolve complex technical cases involving Airtable's API, SAML/SSO, SCIM provisioning, advanced automations, scripting, and third-party integrations.
Strong knowledge of API integration.
Strong knowledge of API integration.
Implement automation workflows, orchestration, and API-based solutions. o Strong knowledge of ServiceNow scripting (JavaScript, Glide API), Flow Designer, and IntegrationHub.
Implement automation workflows, orchestration, and API-based solutions. o Strong knowledge of ServiceNow scripting (JavaScript, Glide API), Flow Designer, and IntegrationHub.
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Solution Architect - (HCM) SC Cleared
Solution Architect - (HCM) SC Cleared
Henderson Scott
London
£700 - £800 per day + Umbrella rate (inside IR35)
Solution Architect - Active SC Cleared - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Our client requires a high-calibre Solution Architect with extensive HCM (Workday / Oracle HCM / Successfactors) experince to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect the new HCM with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authority for all Workday integration design and delivery. * Integration Strategy: Define, develop, and own the Workday integration strategy and road
Solution Architect - Active SC Cleared - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Our client requires a high-calibre Solution Architect with extensive HCM (Workday / Oracle HCM / Successfactors) experince to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect the new HCM with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authority for all Workday integration design and delivery. * Integration Strategy: Define, develop, and own the Workday integration strategy and road
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Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
Strong focus on optimizing inference performance and cost (e.g., model compression, quantization, API optimization).
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Solid understanding of system design principles and API development.
Solid understanding of system design principles and API development.
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API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies.
API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies.
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Oracle Fusion Cloud Sr. Technical Integration Manager
Oracle Fusion Cloud Sr. Technical Integration Manager
Indotronix Avani UK Ltd
St James, South West London (SW1), SW1A
Unspecified
Fusion Cloud Products: Deep knowledge of Oracle Integration Cloud and other relevant integration requirements e.g., XSLT transformations, API security, interface error handling with practical design, configuration, and testing experience.
Fusion Cloud Products: Deep knowledge of Oracle Integration Cloud and other relevant integration requirements e.g., XSLT transformations, API security, interface error handling with practical design, configuration, and testing experience.
Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
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Description - 1. Consumes existing messages from the AMP bus (AMPS is a product from 60East) containing Json messages. 2. Transforms and Routes messages to Dynatrace ingest endpoints. 3. Publishes metrics/dimensions via Dynatrace v2 APIs. 4. Enriches records with required Dynatrace metadata (e.g., dt.entity.host) to correctly bind data to hosts/entitiesmethod for building/maintaining the metadata mapping table to be agreed during design. Key Responsibilities * Design and implement the message consumer and router for Application to Dynatracetarget processor. * Publish metrics/dimensions to Dynatrace v2 APIs correctly and efficiently. * Create and manage metadata enrichment to bind data to hosts/entities (e.g., dt.entity.host). * Ensure security, reliability, and observability of the integration. * Collaborate with platform monitoring team and SREs for alignment and app
Description - 1. Consumes existing messages from the AMP bus (AMPS is a product from 60East) containing Json messages. 2. Transforms and Routes messages to Dynatrace ingest endpoints. 3. Publishes metrics/dimensions via Dynatrace v2 APIs. 4. Enriches records with required Dynatrace metadata (e.g., dt.entity.host) to correctly bind data to hosts/entitiesmethod for building/maintaining the metadata mapping table to be agreed during design. Key Responsibilities * Design and implement the message consumer and router for Application to Dynatracetarget processor. * Publish metrics/dimensions to Dynatrace v2 APIs correctly and efficiently. * Create and manage metadata enrichment to bind data to hosts/entities (e.g., dt.entity.host). * Ensure security, reliability, and observability of the integration. * Collaborate with platform monitoring team and SREs for alignment and app
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Software Engineer (Hardware Integration with .NET)
Software Engineer (Hardware Integration with .NET)
IO Associates
City of London (EC1)
£600 - £800 per day + Outside IR35 and Hybrid
Role: Staff Software Engineer - Sector: Life Sciences - Location: London - Days Onsite: 3 per week - Day Rate: £800 Outside IR35 - Duration: 4 Months then to extend or go Permanent - iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented - Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in
Role: Staff Software Engineer - Sector: Life Sciences - Location: London - Days Onsite: 3 per week - Day Rate: £800 Outside IR35 - Duration: 4 Months then to extend or go Permanent - iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented - Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in
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