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Nice to have: Windows Server and Client OS, Exchange Server, SQL Server, Graph API, Modern Authentication Protocols.
Nice to have: Windows Server and Client OS, Exchange Server, SQL Server, Graph API, Modern Authentication Protocols.
NEWPREMIUM
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Support and oversee API integration processes to streamline seller systems and workflows.
Support and oversee API integration processes to streamline seller systems and workflows.
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Experience with RESTful API design and integration.
Experience with RESTful API design and integration.
NEWPREMIUM
Experience with RESTful API design and integration.
Experience with RESTful API design and integration.
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To complement the efficient networking architecture, you will help designing Infrastructure-as-a-Service virtual network orchestration API-driven services to support tenants workloads security and performance SLAs for BMaaS, VMaaS and Kubernetes. * Hands-on experience developing secure and performant API-driven services (gRPC, ReST with transport encryption and strong authentication)
To complement the efficient networking architecture, you will help designing Infrastructure-as-a-Service virtual network orchestration API-driven services to support tenants workloads security and performance SLAs for BMaaS, VMaaS and Kubernetes. * Hands-on experience developing secure and performant API-driven services (gRPC, ReST with transport encryption and strong authentication)
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Experience with workflow automation tools and concepts (e.g., RPA platforms, scripting, API integrations).
Experience with workflow automation tools and concepts (e.g., RPA platforms, scripting, API integrations).
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Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
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Experience with data migration, ETL processes, and API integrations.
Experience with data migration, ETL processes, and API integrations.
NEWFEATURED
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Global Claims, IT Solutions Leader
Global Claims, IT Solutions Leader
MARSH CORPORATE SERVICES LIMITED
The City, EC3R 5BU
Discretionary Bonus, Pension Scheme & Private Healthcare
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
NEWPREMIUM
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Software Engineer (Content)
Software Engineer (Content)
Hargreaves Lansdown
BS1, Bristol
£45000 - £60000 per annum + Generous Bonus & Pension
Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking.
Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking.
NEWFEATURED
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Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
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Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
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Automation frameworks that support test development across any of Web, Mobile, API
Automation frameworks that support test development across any of Web, Mobile, API
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Technical experience in areas suchas Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
Technical experience in areas suchas Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
NEWFEATURED
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Solution Architect - Location: Windsor, UK (Hybrid 1 day per week onsite) Type: Contract (6 months) | Rate: £500/day (Inside IR35) Start Date: 15 September 2025 - About the Role - Our client, a leading global organization, is seeking an experienced Solution Architect to play a key role in shaping and delivering scalable, secure, and efficient solutions within a large-scale transformation programme. You will be responsible for defining technology roadmaps, ensuring architectural best practices, and collaborating with stakeholders across business and IT functions. This is a hands-on, strategic role requiring strong architecture expertise, particularly in AWS integration, application hosting, governance, and security roadmaps, with the ability to influence at senior levels and guide implementation teams. Key Responsibilities
Solution Architect - Location: Windsor, UK (Hybrid 1 day per week onsite) Type: Contract (6 months) | Rate: £500/day (Inside IR35) Start Date: 15 September 2025 - About the Role - Our client, a leading global organization, is seeking an experienced Solution Architect to play a key role in shaping and delivering scalable, secure, and efficient solutions within a large-scale transformation programme. You will be responsible for defining technology roadmaps, ensuring architectural best practices, and collaborating with stakeholders across business and IT functions. This is a hands-on, strategic role requiring strong architecture expertise, particularly in AWS integration, application hosting, governance, and security roadmaps, with the ability to influence at senior levels and guide implementation teams. Key Responsibilities
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The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API). * FIX API integration for various fixed income products as well as Post-Trade and Data API products. * Work closely with Product Owners and customers on the deployment of new API functionality and workflows and implement features with client requirements/needs in mind
The primary responsibility of the CI group is to work with broker-dealers and institutional clients to help them integrate their systems to the MarketAxess Fixed Income trading system via Application Programming Interfaces (API). * FIX API integration for various fixed income products as well as Post-Trade and Data API products. * Work closely with Product Owners and customers on the deployment of new API functionality and workflows and implement features with client requirements/needs in mind
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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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Good understanding of API integration and data flow between front-end and back-end.
Good understanding of API integration and data flow between front-end and back-end.
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) facilities for the manufacture of Active Pharmaceutical Ingredients (API) and brand-new, well-equipped laboratories for organic process research and development. * Tech Transfer: Facilitate the introduction of API processes from R&D and Pilot Plant into manufacturing across our global network (UK, US, China). * Experience: 35 years in the pharmaceutical industry, ideally with exposure to API synthesis under GxP regulations.
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) facilities for the manufacture of Active Pharmaceutical Ingredients (API) and brand-new, well-equipped laboratories for organic process research and development. * Tech Transfer: Facilitate the introduction of API processes from R&D and Pilot Plant into manufacturing across our global network (UK, US, China). * Experience: 35 years in the pharmaceutical industry, ideally with exposure to API synthesis under GxP regulations.
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Senior Software Engineer
Senior Software Engineer
AJ BELL BUSINESS SOLUTIONS LIMITED
Salford Quays, M5 3EE
From £70,000 to £80,000 per annum Competitive plus bonus and benefits
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
NEWFEATURED
Bonus: experience in data visualisation, analytics or serverless data stacks (Lambda, Kinesis, API Gateway)
Bonus: experience in data visualisation, analytics or serverless data stacks (Lambda, Kinesis, API Gateway)
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Experience of using Power Query to extract, transform and load data from a variety of sources into Power BI and Excel e.g. Microsoft Fabric, SQL Server, Excel, API
Experience of using Power Query to extract, transform and load data from a variety of sources into Power BI and Excel e.g. Microsoft Fabric, SQL Server, Excel, API
NEWPREMIUM
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Develop Python scripts, AWS Lambda, and REST API integrations
Develop Python scripts, AWS Lambda, and REST API integrations
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Familiarity with Endur and the .NET API (Open Components) is a plus.
Familiarity with Endur and the .NET API (Open Components) is a plus.
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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