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3 Permanent API jobs in Chelmsford + 20 miles
243 exact matches jobs are outside your preferred location
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Full Stack Lead Engineer
Full Stack Lead Engineer
Hunter Selection
Soho, W1
£60000 - £85000 per annum + health insurance life insurance
Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
NEWFEATURED
Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
Youll have a working knowledge of a broad stack of cloud technologies, excellent engineering skills, and experience of Ingestion and ETL methods for pushing data into Snowflake from internal (MuleSoft, Salesforce, SaaS platforms etc) and external API-sources.
NEW
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Senior Software Engineer
Senior Software Engineer
Verifile Ltd
Bedford, Bedfordshire, MK44 3JZ
From £60,000 to £70,000 per annum Plus excellent benefits
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
NEWFEATURED
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
NEW
Experience with modern digital architectures such as cloud, data, API, digital, and mobile
Experience with modern digital architectures such as cloud, data, API, digital, and mobile
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
London, United Kingdom - Customer Success / Full-Time / Hybrid - Apply for this job - Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick. About us - We are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experience and Marketing-offers marketers a single platform to deliver unique experiences per person, drive profitable growth, and unleash peak productivity and efficiency. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform. We have just celebrated our $500M Series E funding round, led by General Atlantic . Before this, we've unlocked unicorn status following our Series D round.
London, United Kingdom - Customer Success / Full-Time / Hybrid - Apply for this job - Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick. About us - We are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experience and Marketing-offers marketers a single platform to deliver unique experiences per person, drive profitable growth, and unleash peak productivity and efficiency. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform. We have just celebrated our $500M Series E funding round, led by General Atlantic . Before this, we've unlocked unicorn status following our Series D round.
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Strong knowledge in C++ Strong understanding of API design
Strong knowledge in C++ Strong understanding of API design
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Extensive experience with AWS core services such as AWS Organisations, S3, EC2, ECS, ECR, KMS, RDS, SQS, SNS, Lambda, VPC, IAM, API Gateway, etc.
Proven experience in data modeling, schema design patterns and modern data access patterns (including API, streaming, data lake) and AWS
Proven experience in data modeling, schema design patterns and modern data access patterns (including API, streaming, data lake) and AWS
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
Ability to design and build end-to-end applications and API integrations.
Ability to design and build end-to-end applications and API integrations.
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
Managing Consultant – Microsoft 365 & Power Platform - Digital Workplace
Managing Consultant – Microsoft 365 & Power Platform - Digital Workplace
Kyndryl INC
London
Competitive
Modern Solution Design Translate business needs into scalable, future-ready solutions using Microsoft 365, Power Platform, Dataverse, Microsoft Fabric, and Graph API. * Governance & Platform Maturity Support the implementation of governance frameworks for Power Platform and Microsoft 365, including environment strategy, security, lifecycle management, and API integration. * Familiarity with Microsoft Fabric and Graph API
Modern Solution Design Translate business needs into scalable, future-ready solutions using Microsoft 365, Power Platform, Dataverse, Microsoft Fabric, and Graph API. * Governance & Platform Maturity Support the implementation of governance frameworks for Power Platform and Microsoft 365, including environment strategy, security, lifecycle management, and API integration. * Familiarity with Microsoft Fabric and Graph API
Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
You can interact comfortably with AWS via CLI and/or API
You can interact comfortably with AWS via CLI and/or API
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
Experience of leveraging GitLab API for advanced automation, integration, and reporting;