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88 Contract API jobs in City of London + 20 miles
382 exact matches jobs are outside your preferred location
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Systems Manager - Oracle Fusion Specialist
Systems Manager - Oracle Fusion Specialist
EFCI Group Ltd
OX4, Oxford
From £75,000 to £90,000 per annum bonus + travel allowance
Lead Enterprise Systems for a Visionary Global Research & Development Organisation - Job Title: Systems Manager - Department: Technology - Reports to: Head of Application Integration Services - Location: South Oxford - Effective Date: ASAP - About the Organisation - We are a rapidly growing, mission-driven organisation focused on translating pioneering science and advanced technology into tangible, end-to-end solutions for some of humanity's most complex challenges. Our work is structured around high-impact humane endeavours, including health and medical science, sustainable resource management, clean energy, and advanced robotics/AI. We operate at the intersection of deep research and product development, dedicated to turning scientific breakthroughs into practical applications with high global impact. We are committed to long-term innovation and sustainability.
Lead Enterprise Systems for a Visionary Global Research & Development Organisation - Job Title: Systems Manager - Department: Technology - Reports to: Head of Application Integration Services - Location: South Oxford - Effective Date: ASAP - About the Organisation - We are a rapidly growing, mission-driven organisation focused on translating pioneering science and advanced technology into tangible, end-to-end solutions for some of humanity's most complex challenges. Our work is structured around high-impact humane endeavours, including health and medical science, sustainable resource management, clean energy, and advanced robotics/AI. We operate at the intersection of deep research and product development, dedicated to turning scientific breakthroughs into practical applications with high global impact. We are committed to long-term innovation and sustainability.
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Contract Type:Permanent - About the Role - We're looking for an experienced Data Integration Manager to take ownership of how data moves, integrates, and performs across our business. This is a strategic role that sits at the intersection of technology, operations, and business value, ensuring our financial, commercial, and operational data flows are reliable, accurate, and enable smarter decision-making. You'll be the technical owner of our integration partnerships, lead a small specialist team, and work closely with Finance, Operations, and Commercial stakeholders to modernise processes through better data. If you're someone who understands both the technical complexity of enterprise data and the business outcomes it should deliver, we'd love to hear from you. What You'll Be Doing - Leading Enterprise Integration & Data Operations
Contract Type:Permanent - About the Role - We're looking for an experienced Data Integration Manager to take ownership of how data moves, integrates, and performs across our business. This is a strategic role that sits at the intersection of technology, operations, and business value, ensuring our financial, commercial, and operational data flows are reliable, accurate, and enable smarter decision-making. You'll be the technical owner of our integration partnerships, lead a small specialist team, and work closely with Finance, Operations, and Commercial stakeholders to modernise processes through better data. If you're someone who understands both the technical complexity of enterprise data and the business outcomes it should deliver, we'd love to hear from you. What You'll Be Doing - Leading Enterprise Integration & Data Operations
We are seeking an experienced Product Engagement specialist to join the Analytics Client Engagement team in London, where you'll drive the narrative strategy behind some of LSEGs most impactful financial analytics products and experiences. As part of our high-performing client insight and engagement team, you will take a lead role to craft and scale brilliant narratives and digital experiences across the Analytics product portfolio for our growing client base and digital experiences. We're looking for a strategic storyteller to lead narrative research and development across our Analytics product and proposition portfolio, someone who knows how to bring clarity to complexity and compose product messaging that not only informs but inspires. In this role, you'll shape and drive a unified approach that cuts across product silos and regional teams, ensuring every word ...
We are seeking an experienced Product Engagement specialist to join the Analytics Client Engagement team in London, where you'll drive the narrative strategy behind some of LSEGs most impactful financial analytics products and experiences. As part of our high-performing client insight and engagement team, you will take a lead role to craft and scale brilliant narratives and digital experiences across the Analytics product portfolio for our growing client base and digital experiences. We're looking for a strategic storyteller to lead narrative research and development across our Analytics product and proposition portfolio, someone who knows how to bring clarity to complexity and compose product messaging that not only informs but inspires. In this role, you'll shape and drive a unified approach that cuts across product silos and regional teams, ensuring every word ...
As part of our high-performing Client Insight & Engagement team, youll help us research, define and craft outstanding digital experiences across our growing Analytics product portfolio. Focused on customer desirability you'll be at the forefront of crafting innovative, seamless, and human-centred products that make a real difference for our clients, at scale. Were looking for an experienced Product Research lead to inform and evolve sophisticated product concepts into user-first experiences across multiple industry digital touchpoints and channels. You'll weave design and systems thinking, empathy, and innovation to every stage of the product process, ensuring our products not only meet user needs but exceed expectations. This is more than a research role; its a chance to help define the future of how our clients engage with and experience high value financial solutio
As part of our high-performing Client Insight & Engagement team, youll help us research, define and craft outstanding digital experiences across our growing Analytics product portfolio. Focused on customer desirability you'll be at the forefront of crafting innovative, seamless, and human-centred products that make a real difference for our clients, at scale. Were looking for an experienced Product Research lead to inform and evolve sophisticated product concepts into user-first experiences across multiple industry digital touchpoints and channels. You'll weave design and systems thinking, empathy, and innovation to every stage of the product process, ensuring our products not only meet user needs but exceed expectations. This is more than a research role; its a chance to help define the future of how our clients engage with and experience high value financial solutio
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Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
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Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. Hybrid Working in the City of London, London. 3 days in the office and 2 days from home. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions
Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. Hybrid Working in the City of London, London. 3 days in the office and 2 days from home. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions
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Deep expertise in SAP Integration Suite, including Cloud Integration and API Management.
Deep expertise in SAP Integration Suite, including Cloud Integration and API Management.
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Senior Java Microservices AWS developer
Senior Java Microservices AWS developer
Stott & May Professional Search Limited
London
£460 - £510 per annum
As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Proven proficiency in AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3).
As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Proven proficiency in AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3).
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Expertise in open-source frameworks, API-led design, and secure, scalable architectures.
Expertise in open-source frameworks, API-led design, and secure, scalable architectures.
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REST API development
REST API development
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Experience in using API testing tools like Postman, Insomnia
Experience in using API testing tools like Postman, Insomnia
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Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Lead the transformation of core digital platforms (API-first, cloud, DevOps, CI/CD)
Lead the transformation of core digital platforms (API-first, cloud, DevOps, CI/CD)
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Knowledge on CPM Plugins and REST API
Knowledge on CPM Plugins and REST API
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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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Experience with API testing and integration
Experience with API testing and integration
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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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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Technical Architect
Technical Architect
Inspire People
London
£71590 - £85413 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
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As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
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As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This role is critical to protecting our customers and their end users from increasingly sophisticated fraud schemes and prevent bad actors from using our services while maintaining seamless user experiences across all Vonage communication API channels including voice & messaging channels..
As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This role is critical to protecting our customers and their end users from increasingly sophisticated fraud schemes and prevent bad actors from using our services while maintaining seamless user experiences across all Vonage communication API channels including voice & messaging channels..
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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Related Jobs
Locations
- London
- Central London
- Canary Wharf
- South West London
- West London
- East London
- Moorgate, City of London
- South East London
- North London
- West End
- Birmingham
- Manchester
- Leeds
- East Midlands
- Bristol
- South East
- Cardiff
- Derby
- Guildford
- Essex
- Woking
- Nottingham
- Croydon
- Bournemouth
- North East
- Milton Keynes
- Cambridgeshire
- Kent
- Yorkshire
- Cambridge
- Glasgow
- Hampshire
- Surrey
- Newcastle Upon Tyne
- Hertfordshire
- Ipswich
- Lancashire
- Slough
- Wolverhampton
- Stevenage
- Cheltenham
- Norwich
- Nottinghamshire
- North West
- Enfield
- Bedford
- County Antrim
- Reigate
- Southampton
- Kingston Upon Thames