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- The City, City (EC3)
- The City, City (EC4)
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151 Contract API jobs in Harmondsworth + 20 miles
671 exact matches jobs are outside your preferred location
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
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Skilled in API development and microservices architecture
Skilled in API development and microservices architecture
For this role I am looking for a Mid-Level Java Developer with 3yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with some commercial experience of working with ReactJS.
For this role I am looking for a Mid-Level Java Developer with 3yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with some commercial experience of working with ReactJS.
Expertise in system and API design, scalability, and performance tuning
Expertise in system and API design, scalability, and performance tuning
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Senior Frontend Developer
Senior Frontend Developer
Pathfinder Business Solutions Ltd
Milton Keynes (MK9), MK9 3QA
From £50,000 to £60,000 per annum Full Benefits Pack
REST-based API development
REST-based API development
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Web API / WCF / Web Services (2+ years)
Web API / WCF / Web Services (2+ years)
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Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Understanding of cloud architectures, API-driven platforms, and financial data security standards.
Understanding of cloud architectures, API-driven platforms, and financial data security standards.
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
)
For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
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Prinicipal Full Stack Java Developer
Prinicipal Full Stack Java Developer
G.R.E. Recruitment Limited
Reading (RG1)
From £90,000 to £100,000 per annum
For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is 75% hands on / 25% hands off leadership exp.
For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is 75% hands on / 25% hands off leadership exp.
Senior Full Stack Java Developer
Senior Full Stack Java Developer
G.R.E. Recruitment Limited
Reading (RG1)
From £70,000 to £80,000 per annum
For this role I am looking for a Senior Full Stack Java Developer with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the full stack with ReactJS/TypeScript on the front end.
For this role I am looking for a Senior Full Stack Java Developer with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the full stack with ReactJS/TypeScript on the front end.
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For this role I am looking for aJunior Java Developer with 2yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with a willingness/interest to learn ReactJS/TypeScript and become full stack - you may have personal project experience with ReactJS or have some experience with other JS frameworks such as AngularJS/VueJS.
For this role I am looking for aJunior Java Developer with 2yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with a willingness/interest to learn ReactJS/TypeScript and become full stack - you may have personal project experience with ReactJS or have some experience with other JS frameworks such as AngularJS/VueJS.
)
Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Familiarity with REST API and Soap Services
Familiarity with REST API and Soap Services
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Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
The Service is one of the fastest growing streams in the LCH business lines and is looking to build on recent successes and further increase market share through modernising and enhancing our external facing application and API by delivering powerful and scalable functionality to meet evolving market demands.
The Service is one of the fastest growing streams in the LCH business lines and is looking to build on recent successes and further increase market share through modernising and enhancing our external facing application and API by delivering powerful and scalable functionality to meet evolving market demands.
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Cloud Engineer – Oracle Fusion & Cloud Infrastructure
Cloud Engineer – Oracle Fusion & Cloud Infrastructure
EFCI Group Ltd
Oxford (OX4)
From £60,000 to £70,000 per annum + £6500 travel allowance + 10% bonus
Familiarity with Oracle Integration Cloud (OIC) and API Gateway configurations.
Familiarity with Oracle Integration Cloud (OIC) and API Gateway configurations.
Related Jobs
Locations
- The City, City (EC3)
- The City, City (EC4)
- Shoreditch
- Southwark
- Hinxton
- Lambeth
- Arundel Heights
- Bellfields
- Bloomsbury
- Burton End
- City of London
- Reading
- Cambridge
- Central London
- West End
- Milton Keynes
- South East London
- East London
- Southampton
- North West London
- London
- Berkshire
- Cambridgeshire
- Buckinghamshire
- Hampshire
- Oxfordshire
- Hertfordshire
- Essex
- Surrey
- West Sussex
- South East
- East Anglia
- East Midlands
- Midlands