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102 Contract API jobs in South Croydon + 20 miles
438 exact matches jobs are outside your preferred location
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£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
£80,000 - £90,000 | Fully Remote | Full-time - Are you an experienced software engineer with a passion for front-end development and a proven track record in React? We're looking for a Lead Software Engineer to guide a small but talented team while continuing to deliver impactful features yourself. This role blends technical leadership with hands-on coding, giving you the opportunity to shape the direction of a modern SaaS platform while staying close to the craft. What You'll Do * Take the lead on front-end development, driving high-quality user experiences using React and TypeScript. * Contribute directly to the product codebase, designing and delivering scalable, performant features. * Review code for consistency, maintainability, and best practices. * Collaborate with Product Managers to translate requirements into clear development tasks.
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£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
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Proficiency in data integration, API design, and user interface considerations.
Proficiency in data integration, API design, and user interface considerations.
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Backend API development + frontend (React/JavaScript) for annotation tools.
Backend API development + frontend (React/JavaScript) for annotation tools.
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Build API-driven architectures, event streams, and real-time analytics pipelines using AWS services. * Expertise in AWS services: IAM, VPC, Lambda, API Gateway, EventBridge, Kinesis, CloudWatch, DynamoDB.
Build API-driven architectures, event streams, and real-time analytics pipelines using AWS services. * Expertise in AWS services: IAM, VPC, Lambda, API Gateway, EventBridge, Kinesis, CloudWatch, DynamoDB.
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Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
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Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
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Experience with real-time model inference and API development (e.g., FastAPI, Flask).
Experience with real-time model inference and API development (e.g., FastAPI, Flask).
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This could be a new language, an internal codebase or a new API.
This could be a new language, an internal codebase or a new API.
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
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. As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, youll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. * Contribute to the direction of dashboard UI development and API functionality * Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) * API management experience
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. As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, youll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. * Contribute to the direction of dashboard UI development and API functionality * Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) * API management experience
API Interaction: Familiarity with APIs, particularly in Python
API Interaction: Familiarity with APIs, particularly in Python
Plan and execute offensive engagements across web/mobile/API, auth flows, and business logic * 5+ years in AppSec/offensive security focused on web/API
Plan and execute offensive engagements across web/mobile/API, auth flows, and business logic * 5+ years in AppSec/offensive security focused on web/API
Work with back-end teams to align API integration and interface logic.
Work with back-end teams to align API integration and interface logic.
Deep knowledge of at least one modern graphics API (DirectX 12)
Deep knowledge of at least one modern graphics API (DirectX 12)
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
Experience interacting with a variety of API technologies, such as REST, JSON and XML * Experience working with AWS, using services such as ECS, S3 and API Gateway (Optional)
Experience interacting with a variety of API technologies, such as REST, JSON and XML * Experience working with AWS, using services such as ECS, S3 and API Gateway (Optional)
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Language: Java 8/21 Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring Cloud Architecture: Microservices, REST API, Message Queues, WebSocket Database: MySQL, MyBatis, MongoDB Caching: Redis/ValKey (AWS ElastiCache), ElasticSearch Message Queue: RocketMQ Cloud: Kubernetes, AWS Monitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTelemetry CI/CD: Jenkins, ArgoCD What you'll be doing
Language: Java 8/21 Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring Cloud Architecture: Microservices, REST API, Message Queues, WebSocket Database: MySQL, MyBatis, MongoDB Caching: Redis/ValKey (AWS ElastiCache), ElasticSearch Message Queue: RocketMQ Cloud: Kubernetes, AWS Monitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTelemetry CI/CD: Jenkins, ArgoCD What you'll be doing
Advanced understanding of good practice API development, integration, and testing (e.g. RESTful services, GraphQL). * Experience with both front-end (e.g. React, TypeScript) and back-end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation, or event-driven architectures (e.g. webhooks).
Advanced understanding of good practice API development, integration, and testing (e.g. RESTful services, GraphQL). * Experience with both front-end (e.g. React, TypeScript) and back-end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation, or event-driven architectures (e.g. webhooks).
Ensure the quality of our web, mobile and API software * Proven, extensive experience testing web, mobile UI/UX, and API endpoints. * Practical experience in automated UI and API testing (e.g., using frameworks like Cypress, Playwright, or Postman).
Ensure the quality of our web, mobile and API software * Proven, extensive experience testing web, mobile UI/UX, and API endpoints. * Practical experience in automated UI and API testing (e.g., using frameworks like Cypress, Playwright, or Postman).
Create and maintain API and data integrations between ServiceNow and other services.
Create and maintain API and data integrations between ServiceNow and other services.
This senior role focuses on establishing and evolving best practices in QA engineering, with particular emphasis on automated testing for web, API, and desktop applications. * Lead the development and maintenance of automated tests for web, API, and desktop applications - o API: RestSharp (or similar tools)
This senior role focuses on establishing and evolving best practices in QA engineering, with particular emphasis on automated testing for web, API, and desktop applications. * Lead the development and maintenance of automated tests for web, API, and desktop applications - o API: RestSharp (or similar tools)
Fortune 500 clients trust eGain AI knowledge solution to improve customer experience and reduce cost of service. Top rated by Gartner, eGain AI Knowledge Hub orchestrates AI and experts to deliver trusted answers to customers, agents, and field staff. We dream big and sweat details. We are diverse, optimistic, and tenacious. We take pride in what we do but we dont take ourselves too seriously. If work is fun for you, talk to us. We will not waste your time. Responsibilities * Discover client requirements and pain points to propose and configure tailored solutions. * Architect AI Knowledge Solutions leveraging eGain product capabilities and architecture in the context of the clients tech stack. * Develop and present technical proposals and sharp RFP responses. Education and Experience * 7 years of experience in developing AI based solutions for customer service/Contact
Fortune 500 clients trust eGain AI knowledge solution to improve customer experience and reduce cost of service. Top rated by Gartner, eGain AI Knowledge Hub orchestrates AI and experts to deliver trusted answers to customers, agents, and field staff. We dream big and sweat details. We are diverse, optimistic, and tenacious. We take pride in what we do but we dont take ourselves too seriously. If work is fun for you, talk to us. We will not waste your time. Responsibilities * Discover client requirements and pain points to propose and configure tailored solutions. * Architect AI Knowledge Solutions leveraging eGain product capabilities and architecture in the context of the clients tech stack. * Develop and present technical proposals and sharp RFP responses. Education and Experience * 7 years of experience in developing AI based solutions for customer service/Contact
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