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2 Permanent API jobs in Colchester + 20 miles
448 exact matches jobs are outside your preferred location
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Martech Product Owner (iGaming)
Martech Product Owner (iGaming)
Technically Gifted Ltd
City of London (EC1V)
From £70,000 to £80,000 per annum
Ensure scalable, resilient API integration between MarTech tools, the Bonus Engine, product systems, and data warehouses - Define and manage the Bonus Engine roadmap, evolving API capabilities and reward mechanics to support campaign efficiency and player engagement.
Ensure scalable, resilient API integration between MarTech tools, the Bonus Engine, product systems, and data warehouses - Define and manage the Bonus Engine roadmap, evolving API capabilities and reward mechanics to support campaign efficiency and player engagement.
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Senior/Lead Full Stack Developer (React / Python) AI Start up!
Senior/Lead Full Stack Developer (React / Python) AI Start up!
Robert Half
City of London (EC1)
Negotiable
API & database experience
API & database experience
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Senior/Lead Full Stack Developer (React / Python) AI Start up!
Senior/Lead Full Stack Developer (React / Python) AI Start up!
Robert Half
City of London (EC1)
Negotiable
API & database experience
API & database experience
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Experience of Python, Bash, API's
Experience of Python, Bash, API's
FEATURED
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Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Smart Sourcer Limited
City of London (EC1)
From £85,000 to £90,000 per annum + bonus + benefits
Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Solid AWS expertise (IAM, Lambda, API Gateway, CDK)
Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Solid AWS expertise (IAM, Lambda, API Gateway, CDK)
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Skilled in building robust, optimized API endpoints.
Skilled in building robust, optimized API endpoints.
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Transparent Technology
London
£75000 - £150000 per annum
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
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Strong Python & C# skills; API and cloud architecture experience (Azure a plus).
Strong Python & C# skills; API and cloud architecture experience (Azure a plus).
FEATURED
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Proficiency in API development, integration testing, and cross-platform troubleshooting.
Proficiency in API development, integration testing, and cross-platform troubleshooting.
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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).
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Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
NEW
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Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
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Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
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Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
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Understanding of data transfer / API's and Cloud based applications
Understanding of data transfer / API's and Cloud based applications
PREMIUM
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Front Office Developer - Technical Team Lead
Front Office Developer - Technical Team Lead
CMC Markets UK Plc
The City, City of London (EC3), EC3A 7BX
Competitive Salary + Bonus, Pension, Private Health, Life Assurance
Proven experience designing and developing API-based, microservices-driven architectures.
Proven experience designing and developing API-based, microservices-driven architectures.
FEATURED
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Solutions Consultant – Integrations
Solutions Consultant – Integrations
ARC IT Recruitment Ltd
West End, Central London (W1), W1G
£competitive + Bonus + Excellent Benefits
Familiar with setting up API connections, mapping data and managing transformation rules.
Familiar with setting up API connections, mapping data and managing transformation rules.
Basic backend understanding to help shape API contracts.
Basic backend understanding to help shape API contracts.
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Solid engineering fundamentals: version control, CI/CD for ML, observability, API integration, and cloud infrastructure (AWS/Azure/GCP).
Solid engineering fundamentals: version control, CI/CD for ML, observability, API integration, and cloud infrastructure (AWS/Azure/GCP).
FEATURED
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
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Java Software Engineer - Tech for Good
Java Software Engineer - Tech for Good
Client Server
The City, City of London (EC3), EC3V
£85000 - £100000 per annum + benefits
Apply now to find out more about this Java Software Engineer / Developer (Java Angular SQL API) opportunity.
Apply now to find out more about this Java Software Engineer / Developer (Java Angular SQL API) opportunity.
PREMIUM
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.
Leverage AWS services (Lambda, API Gateway, SQS/SNS, Step Functions, S3, IAM) to deliver secure, event-driven systems. * Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus.
Leverage AWS services (Lambda, API Gateway, SQS/SNS, Step Functions, S3, IAM) to deliver secure, event-driven systems. * Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus.
NEW
The role is around 50% Manuel and 50% automation with a mix of UI and API testing. * Perform exploratory and automated testing across API and UI * UI and API automation knowledge
The role is around 50% Manuel and 50% automation with a mix of UI and API testing. * Perform exploratory and automated testing across API and UI * UI and API automation knowledge
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Audit all existing documentation including the Knowledge Base, API references, onboarding flows, and training materials * Identify the purpose of each piece of content and map it to a clear, intuitive documentation structure * Curiosity about how systems work and the confidence to explore API docs, UI flows, and business logic
Audit all existing documentation including the Knowledge Base, API references, onboarding flows, and training materials * Identify the purpose of each piece of content and map it to a clear, intuitive documentation structure * Curiosity about how systems work and the confidence to explore API docs, UI flows, and business logic