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137 Permanent API jobs in The City, City of London + 20 miles
551 exact matches jobs are outside your preferred location
Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the worlds leading financial groups. Across the globe, were 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world. With a vision to be the worlds most trusted financial group, its part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. We are MUFG. 360 years of heritage. A world-class set of bus
Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the worlds leading financial groups. Across the globe, were 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world. With a vision to be the worlds most trusted financial group, its part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. We are MUFG. 360 years of heritage. A world-class set of bus
Join us to build powerful data pipelines, integrate AI, and turn complex data into clear, actionable insights. If you're a Data Engineer with an interest in automation, analytics, and impactwe want to hear from you. Why Join IDX? Not Just Any Brands: See your work come to life for iconic brands like Rolls-Royce, Vodafone and Bupa. Collaborative Spirit: Work alongside passionate innovators who share your thirst for progress. Continuous Learning: Grow your skills with ongoing training, mentorship, and the freedom to experiment. Fast Paced & Fun: Thrive in a dynamic environment where big ideas and bold action collide. Cutting-Edge Technology: Play with the latest analytics tools, use AR to build immersive digital events, and explore the future of brand storytelling! Global Presence: We Get It Done morning, day and night with offices across multiple time-zones! Our Perks:
Join us to build powerful data pipelines, integrate AI, and turn complex data into clear, actionable insights. If you're a Data Engineer with an interest in automation, analytics, and impactwe want to hear from you. Why Join IDX? Not Just Any Brands: See your work come to life for iconic brands like Rolls-Royce, Vodafone and Bupa. Collaborative Spirit: Work alongside passionate innovators who share your thirst for progress. Continuous Learning: Grow your skills with ongoing training, mentorship, and the freedom to experiment. Fast Paced & Fun: Thrive in a dynamic environment where big ideas and bold action collide. Cutting-Edge Technology: Play with the latest analytics tools, use AR to build immersive digital events, and explore the future of brand storytelling! Global Presence: We Get It Done morning, day and night with offices across multiple time-zones! Our Perks:
We are seeking a Developer to join one of Millenniums long standing & successful Trading teams, currently comprising of 18. This role will design, develop and support a strategic set of applications for data collection, analytics and trading for this systematic team. Principal Responsibilities * Work directly with PMs, traders and quants to support and enhance system * Load data from multiple external and internal sources * Build monitoring system to proactively spot any data issues * Create APIs for the business to access data * Develop streaming analytics and real-time monitoring * Develop testing framework * Continual improvement of existing codebase - Main technologies: KDB+/Q, Git, Gradle, Linux. Qualifications/Skills Required * Master or Bachelor Degree in Computer Science, Mathematics or related area * Knowledge of Q/KDB+ is an advantage * Familiarity with Linu
We are seeking a Developer to join one of Millenniums long standing & successful Trading teams, currently comprising of 18. This role will design, develop and support a strategic set of applications for data collection, analytics and trading for this systematic team. Principal Responsibilities * Work directly with PMs, traders and quants to support and enhance system * Load data from multiple external and internal sources * Build monitoring system to proactively spot any data issues * Create APIs for the business to access data * Develop streaming analytics and real-time monitoring * Develop testing framework * Continual improvement of existing codebase - Main technologies: KDB+/Q, Git, Gradle, Linux. Qualifications/Skills Required * Master or Bachelor Degree in Computer Science, Mathematics or related area * Knowledge of Q/KDB+ is an advantage * Familiarity with Linu
Title: Mid- Senior Frontend Developer - Location: UK Remote - Salary: 55k - 60k plus bonus - Position: Perm - About PetLabCo. PetLab Co. is the worlds fastest-growing pet supplement business. Launching in 2018, we successfully achieved a 9-figure revenue last year without any external funding. We have a loyal community of loving pet parents and over 1.5 million happy dogs whose lives have been positively impacted by our innovative products. Our team is vibrant, fast-moving, and customer-driven where high-performers are valued and rewarded. And it is the ideal place for an ambitious, hardworking, animal lover who wants to progress their career rapidly. A Day In The Life... Reporting to our Principal Frontend Developer youll join a growing agile team of highly talented engineers working on building scalable solutions for our ecommerce platform.
Title: Mid- Senior Frontend Developer - Location: UK Remote - Salary: 55k - 60k plus bonus - Position: Perm - About PetLabCo. PetLab Co. is the worlds fastest-growing pet supplement business. Launching in 2018, we successfully achieved a 9-figure revenue last year without any external funding. We have a loyal community of loving pet parents and over 1.5 million happy dogs whose lives have been positively impacted by our innovative products. Our team is vibrant, fast-moving, and customer-driven where high-performers are valued and rewarded. And it is the ideal place for an ambitious, hardworking, animal lover who wants to progress their career rapidly. A Day In The Life... Reporting to our Principal Frontend Developer youll join a growing agile team of highly talented engineers working on building scalable solutions for our ecommerce platform.
As a Web Experience Designer & Payload Developer, you will play a key role in shaping and building the next generation of our content-driven web experiences. You will be responsible for designing reusable templates, implementing them within Payload CMS, and creating modular components and widgets that allow our teams to scale content production efficiently. This hybrid role combines design sensibility with hands-on front-end development and CMS integration, ensuring our digital properties are both visually engaging and technically robust. Responsibilities * Design and deliver reusable page templates (e.g., product landing pages) that are brand-consistent and scalable. * Create designs in Figma for review. * Build and configure these templates in Payload CMS, ensuring editors can easily manage and repurpose them.
As a Web Experience Designer & Payload Developer, you will play a key role in shaping and building the next generation of our content-driven web experiences. You will be responsible for designing reusable templates, implementing them within Payload CMS, and creating modular components and widgets that allow our teams to scale content production efficiently. This hybrid role combines design sensibility with hands-on front-end development and CMS integration, ensuring our digital properties are both visually engaging and technically robust. Responsibilities * Design and deliver reusable page templates (e.g., product landing pages) that are brand-consistent and scalable. * Create designs in Figma for review. * Build and configure these templates in Payload CMS, ensuring editors can easily manage and repurpose them.
Strong understanding of data integration concepts, file formats (CSV, Excel), and API-based workflows. * Hands-on experience with Postman for API testing, plus ability to read and analyze technical logs.
Strong understanding of data integration concepts, file formats (CSV, Excel), and API-based workflows. * Hands-on experience with Postman for API testing, plus ability to read and analyze technical logs.
Experience in API documentation, for example using Swagger with REST API and GraphQL schema documentation.
Experience in API documentation, for example using Swagger with REST API and GraphQL schema documentation.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Deep understanding of AWS services such as Lambda, DynamoDB, S3, API Gateway and CloudFormation
Deep understanding of AWS services such as Lambda, DynamoDB, S3, API Gateway and CloudFormation
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Lead API design, integration strategies, and legacy modernization to microservices. * Integration - API Design & Management, CMS, Legacy Migration
Lead API design, integration strategies, and legacy modernization to microservices. * Integration - API Design & Management, CMS, Legacy Migration
Hands-on .NET experience, including C# and ASP.NET WEB API.
Hands-on .NET experience, including C# and ASP.NET WEB API.
Full Stack Engineer (Product Data Compliance) - 12 month FTC- Remote
Full Stack Engineer (Product Data Compliance) - 12 month FTC- Remote
Abcam PLC
Amersham, Buckinghamshire
Competitive
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
Experience with API design (REST, GraphQL), service-oriented architecture, and event-driven systems is a major plus.
Experience with API design (REST, GraphQL), service-oriented architecture, and event-driven systems is a major plus.
Dynamics 365 Customer Service, Dynamics 365 Web API
Dynamics 365 Customer Service, Dynamics 365 Web API
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
NEW
You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Identify opportunities for process improvements within the CRM system and recommend efficiency solutions, including integrations via API or native 3rd party tools and datasets.
Identify opportunities for process improvements within the CRM system and recommend efficiency solutions, including integrations via API or native 3rd party tools and datasets.
Azure API Management for rate limiting and security policies * SharePoint via Graph API (policy documents, QMS)
Azure API Management for rate limiting and security policies * SharePoint via Graph API (policy documents, QMS)
Experience of RESTful API design
Experience of RESTful API design
Own end-to-end API and IDoc integration strategy and execution through go-live.
Own end-to-end API and IDoc integration strategy and execution through go-live.
M365/Azure API integrations.
M365/Azure API integrations.
Implement data solutions leveraging AWS services such as EMR, AWS Glue, AWS Lambda, Athena, API Gateway and AWS Step Functions * Hands-on experience with AWS data services such as EMR, AWS Glue, AWS Lambda, Athena, API Gateway and AWS Step Functions
Implement data solutions leveraging AWS services such as EMR, AWS Glue, AWS Lambda, Athena, API Gateway and AWS Step Functions * Hands-on experience with AWS data services such as EMR, AWS Glue, AWS Lambda, Athena, API Gateway and AWS Step Functions
Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Charing Cross
- The City, City (EC2)
- Datchet Common
- Euston
- Milton
- White Hill
- Canary Wharf
- City of London
- Reading
- Cambridge
- South West London
- South East London
- Central London
- West End
- Milton Keynes
- North West London
- East London
- London
- Berkshire
- Cambridgeshire
- Surrey
- Buckinghamshire
- Hampshire
- Hertfordshire
- Oxfordshire
- Bedfordshire
- East Sussex
- South East
- East Anglia