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3 Permanent API jobs in Chelmsford + 20 miles
361 exact matches jobs are outside your preferred location
FICO (NYSE: FICO) is a leading global analytics software company, helping businesses in 100+ countries make better decisions. Join our world-class team today and fulfill your career potential! The Opportunity - As a Platform Success Manager, you will serve as a strategic advisor and trusted partner to enterprise customers leveraging the FICO Platform. Balancing business acumen with technical understanding, you will ensure customers achieve measurable value through effective platform adoption, operational alignment, and ongoing engagement. Your mission is to drive customer success by aligning platform capabilities with strategic goals, ensuring both business impact and operational excellence. - Customer Success, Senior Director - What Youll Contribute * Build and maintain strong, trust-based relationships with business stakeholders, product owners, and executive sponso
FICO (NYSE: FICO) is a leading global analytics software company, helping businesses in 100+ countries make better decisions. Join our world-class team today and fulfill your career potential! The Opportunity - As a Platform Success Manager, you will serve as a strategic advisor and trusted partner to enterprise customers leveraging the FICO Platform. Balancing business acumen with technical understanding, you will ensure customers achieve measurable value through effective platform adoption, operational alignment, and ongoing engagement. Your mission is to drive customer success by aligning platform capabilities with strategic goals, ensuring both business impact and operational excellence. - Customer Success, Senior Director - What Youll Contribute * Build and maintain strong, trust-based relationships with business stakeholders, product owners, and executive sponso
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
Web API Services
Web API Services
Large-scale data processing; data modeling; holistic, intent-based API design
Large-scale data processing; data modeling; holistic, intent-based API design
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Translate datasets and domain requirements into a data model, SQL schemas, and API-driven back-end services. Applicants should have a strong knowledge of modern back-end development using C# and .NET (Core or later), including API design and modular service architecture along with analytical and problem solving skills and effective communication.
Translate datasets and domain requirements into a data model, SQL schemas, and API-driven back-end services. Applicants should have a strong knowledge of modern back-end development using C# and .NET (Core or later), including API design and modular service architecture along with analytical and problem solving skills and effective communication.
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Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Experience in consuming a RESTful API.
Experience in consuming a RESTful API.
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API. *Familiarity withISO20022 messaging formats and flow, familiarity with API-based payment integration is a plus.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API. *Familiarity withISO20022 messaging formats and flow, familiarity with API-based payment integration is a plus.
Software Engineer II
Software Engineer II
LEXISNEXIS RISK SOLUTIONS UK LIMITED T/a LexisNexis Risk Solutions Group
London
Competitive
Experience developing web applications or services (e.g. Web API, ASP.NET MVC, etc.).
Experience developing web applications or services (e.g. Web API, ASP.NET MVC, etc.).
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
The Tyk API Management platform is helping to drive the connected world and power new products and services. Weve started by building an API Management platform.
The Tyk API Management platform is helping to drive the connected world and power new products and services. Weve started by building an API Management platform.
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Enterprise Systems Integration: Deep experience with enterprise applications (SAP, Salesforce, Oracle, ServiceNow, Workday) and API-based integration patterns
Enterprise Systems Integration: Deep experience with enterprise applications (SAP, Salesforce, Oracle, ServiceNow, Workday) and API-based integration patterns
Manager, Lead Research Scientist, Training Data (Foundational Research)
Manager, Lead Research Scientist, Training Data (Foundational Research)
Thomson Reuters
London
Competitive
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
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Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design
Familiarity with API integration with Dynatrace
Familiarity with API integration with Dynatrace
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Experience of SOAP API's
Experience of SOAP API's
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Experience with API automation is beneficial
Experience with API automation is beneficial
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Strong experience of working with and developing API endpoints.
Strong experience of working with and developing API endpoints.
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Do you enjoy creating technical documents (Manuals, Announcements, Bulletins, and API & SDK References Documents)?
Do you enjoy creating technical documents (Manuals, Announcements, Bulletins, and API & SDK References Documents)?
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Expert-level knowledge of secure coding principles, SAST, DAST, API security testing, and vulnerability analysis.
Expert-level knowledge of secure coding principles, SAST, DAST, API security testing, and vulnerability analysis.
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Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.