14 of 14 API Integration Jobs in the Thames Valley

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and … enforce security best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication More ❯

managers, wealth advisors, and multi-family offices to streamline operations, enhance profitability, and accelerate digital transformation. The platform integrates directly with Saxo Bank, Addepar, and other vendors via Open API, offering a full stack of investment, trading, custody, and reporting infrastructure. Backed by cutting-edge cloud-native architecture, we are redefining the way wealth managers operate. The Role We … investment management platform Coordinate complex product development initiatives across portfolio management, trading, reporting, CRM, business management, and other modules Translate business and regulatory requirements into technical specifications Oversee the integration and enhancement of our extensive Open API ecosystem, including connections with Saxo Bank, Addepar, market data providers, KYC/AML vendors, and many others Serve as the primary … deep understanding of industry workflows and requirements Solid technical foundation with hands-on experience in modern web technologies, including React, TypeScript, Python, and cloud infrastructure (AWS preferred) Understanding of API integration patterns, particularly Open API/REST API implementations in financial services contexts Proven track record of successfully managing complex, multi-module/multi-vendor software More ❯

to address server-side optimizations and resolve stability issues. Database Management: Reviewing SQL database processes and automating tasks where required. Debugging and improving backend database integrations. 3. Zoho CRM Integration and Support (Optional): API integration for Zoho CRM. Workflow creation and process optimization within Zoho. Consultancy and ongoing support for Zoho-related tools. 4. E-commerce and More ❯

About Icebrg Icebrg is a London-based wealthtech startup creating a digital Platform as a Service for modern investment managers: a cloud-native, API-driven wealthtech platform that integrates custody, trading, portfolio management, reporting, and compliance workflows. With live connectivity to Saxo Bank, Addepar, and multiple API-based services (client KYC/AML, market data providers, and many … Senior Operations Manager to lead the operational setup and management of the Icebrg platform. You will oversee client assets and reporting, manage operational and regulatory processes, and ensure seamless integration of operational workflows with our technology infrastructure. This is a highly technical role: you will work closely with the CTO and the developers’ team, leveraging Open API integrations … Manage comprehensive regulatory reporting, including transaction reporting, position reporting, and market abuse surveillance Maintain books and records in accordance with regulatory standards and audit requirements Leverage our extensive Open API integration ecosystem, implementing best practices for system connectivity and data flow Oversee trading operations, including order management, execution, settlement, custody and reporting across multiple asset classes and markets More ❯

PHP and Laravel. Strong knowledge of Azure Frontend: HTML, CSS JavaScript, jQuery, and GSAP. Backend: Expertise in PHP, Laravel, and MySQL/MariaDB. APIs: Experience with REST and SOAP API design and integration. Version Control: Strong GIT proficiency. Server Management SEO: Deep knowledge of on-page SEO principles. Proven success in fast-paced settings managing multiple projects in client More ❯

for a large-scale web application Contribute to major framework migrations (Vue 23 or VueReact) Ensure applications are high-performing, scalable, and maintainable Collaborate with back-end teams on API integrations Drive code quality, best practices, and CI/CD improvements Work closely with a fully remote, globally distributed engineering team About You 5+ years’ experience as a Web … about building high-quality products with great user experiences Nice to Have Degree/Diploma in Computer Science, Engineering, or similar Financial systems or agency workflow experience SQL and API integration skills Experience with component libraries such as DevExtreme What’s in It for You £60,000 – £75,000 salary (depending on experience) Fully remote working with monthly More ❯

full-stack development experience Expertise in conversion optimisation, user experience design, and interface development Deep understanding of cybersecurity protocols, authentication systems, and compliance requirements Proven ability to implement complex API integrations and third-party systems Strategic Capabilities: Track record of delivering successful multi-channel digital strategies Advanced expertise in organic search, paid advertising, and technical optimisation Strong analytical mindset More ❯

full-stack development experience Expertise in conversion optimisation, user experience design, and interface development Deep understanding of cybersecurity protocols, authentication systems, and compliance requirements Proven ability to implement complex API integrations and third-party systems Strategic Capabilities: Track record of delivering successful multi-channel digital strategies Advanced expertise in organic search, paid advertising, and technical optimisation Strong analytical mindset More ❯

Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

Do you have experience with Atlassian tools (such as Jira and Confluence), PowerShell scripting, and SQL Server? If so, this role offers an exciting opportunity to support a major integration project within a high-integrity engineering environment. Our client, a respected UK leader in mission-critical software and systems, is seeking a capable contractor to assist with API development and systems integration involving Oracle and internal platforms. This role requires a proactive engineer who can take ownership of specific, well-defined technical tasks. Key Skills Required - Contract Software Engineer - PowerShell/SQL, Berkshire: Hands-on experience with Atlassian tools (Jira, Confluence) Strong PowerShell scripting skills Solid knowledge of SQL Server or similar relational databases Experience working … with or integrating Oracle systems Familiarity with API development and integration Ability to work independently and efficiently on scoped tasks UK nationality is essential due to project requirements Experience in regulated sectors is beneficial (e.G. Defence, aerospace, healthcare) Join a collaborative and technically strong team, contributing to a critical programme within a respected engineering organisation. For more information More ❯

to ensure seamless product development and launch. Gather and analyze user feedback to identify areas for improvement and inform future product iterations. Manage external vendor relationships and ensure successful integration with third-party platforms. Metrics & Analytics: Define and track key performance indicators (KPIs) to measure the success of the AdTech platform. Analyze user data and platform usage to identify … teams. Data-driven mindset with experience in defining and tracking product KPIs. Experience in user research and ability to translate user feedback into actionable product roadmaps. Desired: Experience with API development and integration. Experience working with cloud-based platforms (e.g., AWS, Azure, GCP). Experience in managing external vendor relationships (optional, but a plus). What you’ll get More ❯

comprehensive range of Employee Benefits, (including 13.5% Pension, Blue Light Card scheme and a wide range of travel and shopping discounts) Key Skills: .Net, C#, SQL Server, XML. XSLT, API's. Why Apply: Joining a busy Application Services Development Team, you will be supporting the enhancements and modifications of key Policing applications as well as the migration of legacy … systems to new systems and necessary integrations. It's a fascinating role developing and enhancing a Police Forces Applications, (as well as the API's so that they integrate with other the Police Force applications), that deliver critical services to the wider community. There is potential for the role to be pro rata on a 4 day week basis … successful candidate will be able to demonstrate: Essential: 5+ years Application Development, testing and documentation experience in .Net , C#, SQL Server environment. Strong RDBMS exposure to SQL Server Good API/writing API Integrations, (XSLT, XML etc.) PowerApps experience would be beneficial but not essential. ** You will need to be able to demonstrate that you have lived and More ❯

manage platforms including Jira, ServiceNow, Dynamics 365, and other internal systems. Provide 1st line support for business-critical applications, ensuring issues are resolved quickly and effectively. Support and maintain API integrations and smooth data flows between systems. Collaborate with colleagues across the organisation to understand requirements and deliver process improvements. Partner with the Digital Workplace team to standardise workflows … best practices. Skills & Experience Technical exposure gained through studies, IT systems administration, or 1st line support. Familiarity with business platforms such as Jira, ServiceNow, or Dynamics 365. Comfort with API integrations and system configuration. Strong attention to detail and a structured, problem-solving mindset. A natural drive to spot inefficiencies and seek out process improvements. Clear communication skills with More ❯