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212 exact matches jobs are outside your preferred location
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
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Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
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Strong knowledge of the API/integration lifecycle, including design, deployment, and enhancement. * Expertise in RESTful & SOAP API design, APIM policy, and transformations. * Skilled in API/Integration security protocols & best practices. * Practical experience with Postman, API monitoring, and documentation tools. * Knowledge of Open API Specification, WSDL, SOAP, XSLT. * Application Insight proficiency in .NET and .NET Core (Web, API) and working knowledge of VS Code with Azure.
Strong knowledge of the API/integration lifecycle, including design, deployment, and enhancement. * Expertise in RESTful & SOAP API design, APIM policy, and transformations. * Skilled in API/Integration security protocols & best practices. * Practical experience with Postman, API monitoring, and documentation tools. * Knowledge of Open API Specification, WSDL, SOAP, XSLT. * Application Insight proficiency in .NET and .NET Core (Web, API) and working knowledge of VS Code with Azure.
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Previous work in API integration
Previous work in API integration
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Provide technical direction on MuleSoft integrations and ensure robust API strategy and lifecycle management.
Provide technical direction on MuleSoft integrations and ensure robust API strategy and lifecycle management.
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We're looking for a Senior AWS Platform Engineer to play a hands-on role in a major API infrastructure migration project. * Kong API Gateway (hybrid model) * Strong understanding of API gateways (Kong)
We're looking for a Senior AWS Platform Engineer to play a hands-on role in a major API infrastructure migration project. * Kong API Gateway (hybrid model) * Strong understanding of API gateways (Kong)
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Software Developer - Active SC, Python, AWS
Software Developer - Active SC, Python, AWS
Hays
London
£400.0 - £425.0 per day + up to £425 per day (InsideIR35)
Proven experience as a software developer with data integration experience (API)
Proven experience as a software developer with data integration experience (API)
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Python Backend Developer - AWS
Python Backend Developer - AWS
Infoplus Technologies UK Ltd
London
From £300 to £350 per day Max GBP 350/day Inside IR35
GraphQL, API authentication, performance management, and internationalization
GraphQL, API authentication, performance management, and internationalization
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Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
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Strong experience with RESTful API development in microservice environments
Strong experience with RESTful API development in microservice environments
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Proficiency in JavaScript, Glide API, and ServiceNow development tools.
Proficiency in JavaScript, Glide API, and ServiceNow development tools.
D365 Finance Senior Integration Developer (remote)
D365 Finance Senior Integration Developer (remote)
Hays
London
£500.0 - £550.0 per day + c£510 per day (inside IR35)
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
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Expert-level knowledge of IAM, network security, encryption, API and application security, container security, and SIEM strategies.
Expert-level knowledge of IAM, network security, encryption, API and application security, container security, and SIEM strategies.
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Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
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Lead integration of data from SAP (e.g., S/4HANA, BW/4HANA) and external platforms using cloud and API technologies.
Lead integration of data from SAP (e.g., S/4HANA, BW/4HANA) and external platforms using cloud and API technologies.
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Systems Integration & API Work
Systems Integration & API Work
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Loan IQ Technical Consultant - inside IR35
Loan IQ Technical Consultant - inside IR35
LA International Computer Consultants Ltd
London
£800 - £850 per day
oKnowledge of event management frameworks and API integrations.
oKnowledge of event management frameworks and API integrations.
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Role/Job title - Work Location - Wokingham - Role type - Permanent/Fixed Term/ Contracting - Contracting - Mode of working Hybrid /office based - Hybrid - If Hybrid, how many days are required in office? 3 days a week - Duration of assignment - 6 months - To be published on job boards from below onwards - The Role - The JML Solution Architect will be responsible for designing and implementing a solution to manage the access rights of their employees and stakeholders more efficiently and securely. The Joiner, Mover, and Leaver (JML) process has emerged as a pivotal framework within Identity & Access Management (IAM) to tackle this challenge head-on. It encompasses a comprehensive approach to managing user access throughout their lifecycle within an organization. This solution will integrate multiple data sources, automate workflows, and provide valuable insights to inf
Role/Job title - Work Location - Wokingham - Role type - Permanent/Fixed Term/ Contracting - Contracting - Mode of working Hybrid /office based - Hybrid - If Hybrid, how many days are required in office? 3 days a week - Duration of assignment - 6 months - To be published on job boards from below onwards - The Role - The JML Solution Architect will be responsible for designing and implementing a solution to manage the access rights of their employees and stakeholders more efficiently and securely. The Joiner, Mover, and Leaver (JML) process has emerged as a pivotal framework within Identity & Access Management (IAM) to tackle this challenge head-on. It encompasses a comprehensive approach to managing user access throughout their lifecycle within an organization. This solution will integrate multiple data sources, automate workflows, and provide valuable insights to inf
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My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
API Integration Experience:Proven track record of consuming and building APIs for data exchange * Strong understanding of API development and integration (REST, GraphQL)
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Rate - £500 per day Inside IR35 - Duration - 1 month initial - Location - Remote with occasional visits into London - We are looking for an experienced Siebel Developer to join our client's technology team and play a pivotal role in the design, development and migration of Siebel CRM solutions. You will be responsible for enhancing existing systems, delivering robust integrations with external applications and supporting large-scale migration projects as part of digital transformation initiatives. * Design, configure and develop Siebel CRM applications to meet evolving business requirements. * Support migration projects, including data migration, environment upgrades and platform transitions. * Deliver robust integrations between Siebel and third-party systems using Siebel EAI, web services, APIs and middleware.
Rate - £500 per day Inside IR35 - Duration - 1 month initial - Location - Remote with occasional visits into London - We are looking for an experienced Siebel Developer to join our client's technology team and play a pivotal role in the design, development and migration of Siebel CRM solutions. You will be responsible for enhancing existing systems, delivering robust integrations with external applications and supporting large-scale migration projects as part of digital transformation initiatives. * Design, configure and develop Siebel CRM applications to meet evolving business requirements. * Support migration projects, including data migration, environment upgrades and platform transitions. * Deliver robust integrations between Siebel and third-party systems using Siebel EAI, web services, APIs and middleware.
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Backend engineer
Backend engineer
LA International Computer Consultants Ltd
SN13, Corsham
£500 - £600 per day + price in
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
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Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
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Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
Location: London OR Gloucester OR Warrington (Hybrid) Contract Duration: 6 months (starting ASAP) Security Clearance: UK SC Cleared (Mandatory) We are looking for an experienced Dynatrace Engineer to join an established IT Infrastructure team on a 6-month contract. This is a high-impact role focused on building scalable observability solutions using Dynatrace across multi-cloud environments (AWS & Azure), with a strong emphasis on automation and Infrastructure-as-Code using Terraform. You'll work cross-functionally with engineering, platform, and operations teams to enhance monitoring, improve performance visibility, and drive proactive incident management. This role can be based out of London, Gloucester, or Warrington, with some flexibility on hybrid working arrangements. Occasional on-call and out-of-hours work may be required, depending on project needs.
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