Permanent 'API Development' Job Vacancies

451 to 475 of 488 Permanent API Development Jobs

Senior Technical Business Analyst

Atlanta, Georgia, United States
Cook Systems International
/applications as a project team member. Considered a subject matter expert for several projects/applications. Works on projects of moderate to high complexity within one or more development environments. The Senior BA works with both software developers and business customers to ensure that the business needs are being met by the systems being built, changed, enhanced or … be limited to, the following:o Participates in and facilitates customer meetings as well as project team meetings.o Participates in project team meetings during all phases of the Software Development Lifecycle (SDLCo Serves as a liaison between the business partners and the development team to provide technical solutions to meet user needs.o Utilizes requirements elicitation techniques, such as … tools for requirements elicitation and documentation, integration, and user acceptance testing, AND advanced knowledge of requirements elicitation techniques, business modeling and use case design concepts, information systems and software development life cycles, AND? Experience defining API service calls which includes the ability to define the format and content of both incoming requests and outgoing responses for API More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Back-end C#/.NET Developer - DDD, Microservices, Cloud - 80% Home office

Wiesbaden, Hessen, Germany
Hybrid / WFH Options
Optimus Search
About us I'm working with a dynamic and innovative software company with a focus on developing cutting edge travel technology solutions. Their new platform, an API developed from scratch, is a greenfield project with entrepreneurial spirit that seamlessly connects providers from the travel industry with consumers. They are seeking a talented Senior C#.NET Developer to join their well … architectural discussions and decisions • Eagerness to learn about MS Azure, Docker, Kubernetes and RabbitMQ • Developing microservice architecture Profile • Strong experience in C# programming • Ability to work in an agile development process and designing scalable architecture • Experience in Docker/Kubernetes or RabbitMQ would be a plus • Fluent English language skills Contact If you are a talented and motivated Senior More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

PHP Developer

Leeds, England, United Kingdom
Brio Digital
a collaborative, growing IT team that’s dedicated to building and improving bespoke in-house software solutions that power the business. You’ll be part of a seven-person Development team based in Leeds, working closely with end users to create tailored tools that make a real impact. A key focus will be enhancing a large-scale, internally built … user experience. The team has also developed a proprietary document management system, with plenty of exciting new projects and enhancements planned on the roadmap. Main Responsibilities Join an established development team building and maintaining core systems, applications, and APIs. Participate in planning, design, and development processes, ideally with experience using the Laravel framework or another MVC framework. Build … interfaces. Comfortable working iteratively and incorporating feedback within Agile workflows. Strong organisational skills with the ability to manage multiple projects and deadlines. Desirable Skills and Experience Knowledge of REST API development. Experience with PHP Unit and/or PEST for unit and feature testing. Familiarity with Docker. More ❯
Posted:

PHP Developer

bradford, yorkshire and the humber, united kingdom
Brio Digital
a collaborative, growing IT team that’s dedicated to building and improving bespoke in-house software solutions that power the business. You’ll be part of a seven-person Development team based in Leeds, working closely with end users to create tailored tools that make a real impact. A key focus will be enhancing a large-scale, internally built … user experience. The team has also developed a proprietary document management system, with plenty of exciting new projects and enhancements planned on the roadmap. Main Responsibilities Join an established development team building and maintaining core systems, applications, and APIs. Participate in planning, design, and development processes, ideally with experience using the Laravel framework or another MVC framework. Build … interfaces. Comfortable working iteratively and incorporating feedback within Agile workflows. Strong organisational skills with the ability to manage multiple projects and deadlines. Desirable Skills and Experience Knowledge of REST API development. Experience with PHP Unit and/or PEST for unit and feature testing. Familiarity with Docker. More ❯
Posted:

Senior Power Platform Developer/Remote within the UK

England, United Kingdom
Hybrid / WFH Options
Akkodis
Platform Developer to join a growing team as the go-to expert for all things Power Platform. This is a hands-on role where you'll own the full development life cycle - from engaging with stakeholders to building scalable solutions and providing ongoing support. This role is 80 % project work, and 20 % support. *Please note that this role requires … Be Doing: Designing, building, and supporting applications using Power Apps , Power Automate , and Dataverse . Automating business processes and improving existing workflows. Administering and maintaining Power Platform environments across development, test, and production. Collaborating with stakeholders across the business to gather requirements and deliver impactful solutions. Providing technical support related to the Power Platform ecosystem. Creating and maintaining clear … . Strong grasp of business process automation and app life cycle management in the Power Platform. Solid documentation and process improvement skills. Basic experience with C#.NET for plugin or API development. Familiarity with JavaScript . A collaborative mindset with experience working across IT and business functions. Model Driven Apps & Canvass Apps Candidates should have owned the full development More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 63,750 Annual
Posted:

Frontend Developer

City of London, London, United Kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Posted:

Frontend Developer

London Area, United Kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Posted:

Frontend Developer

South East, United Kingdom
Harrington Starr
Trading UI Engineer - Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role - London - Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Developer

london (city of london), south east england, united kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Posted:

Frontend Developer

london, south east england, united kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Posted:

Frontend Developer

slough, south east england, united kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯
Posted:

Backend Magento Developer

United Kingdom
Hybrid / WFH Options
Candour
builds that help clients scale and succeed online. As part of their ongoing growth, my client is looking for an experienced Backend Magento Developer to join their fully remote development team. This is an excellent opportunity to work on a variety of exciting projects within a collaborative and forward-thinking environment. The Role The successful candidate will be responsible … party systems including payment gateways, ERPs, and CRMs. Skills & Experience Required Minimum of 3 years’ commercial experience in Magento 2 backend development. Strong proficiency in PHP, MySQL, and RESTful API development. Familiarity with Composer, Git, and modern deployment workflows. Excellent understanding of OOP, MVC architecture, and Magento’s EAV model. Strong problem-solving skills and attention to detail. Previous More ❯
Posted:

Senior Node Engineer

City of London, London, United Kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
Posted:

Senior Node Engineer

London Area, United Kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
Posted:

Senior Node Engineer

london, south east england, united kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
Posted:

Senior Node Engineer

slough, south east england, united kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
Posted:

Senior Node Engineer

london (city of london), south east england, united kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
Posted:

AI Quantitative Developer - Crypto

South East, United Kingdom
Selby Jennings
AI and ML to drive automation, enhance decision-making, and scale a fully automated global trading platform. This is a unique opportunity to work at the intersection of quantitative development, AI, and crypto trading. You'll collaborate with Researchers, Traders, and Engineers to build intelligent systems that power 24/7 trading strategies, with full ownership from design to … datasets and build intelligent data pipelines to support research and execution. Monitor and manage the lifecycle of AI-driven systems in production environments. Requirements 6+ years of professional software development experience, ideally in a quantitative or trading environment. Strong Python programming skills and a solid foundation in statistics and machine learning. Proven experience delivering production-grade AI/ML … LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Quantitative Developer - Crypto

City Of London, England, United Kingdom
Selby Jennings
AI and ML to drive automation, enhance decision-making, and scale a fully automated global trading platform. This is a unique opportunity to work at the intersection of quantitative development, AI, and crypto trading. You'll collaborate with Researchers, Traders, and Engineers to build intelligent systems that power 24/7 trading strategies, with full ownership from design to … datasets and build intelligent data pipelines to support research and execution. Monitor and manage the lifecycle of AI-driven systems in production environments. Requirements 6+ years of professional software development experience, ideally in a quantitative or trading environment. Strong Python programming skills and a solid foundation in statistics and machine learning. Proven experience delivering production-grade AI/ML … LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯
Posted:

AI Quantitative Developer - Crypto

london, south east england, united kingdom
Selby Jennings
AI and ML to drive automation, enhance decision-making, and scale a fully automated global trading platform. This is a unique opportunity to work at the intersection of quantitative development, AI, and crypto trading. You'll collaborate with Researchers, Traders, and Engineers to build intelligent systems that power 24/7 trading strategies, with full ownership from design to … datasets and build intelligent data pipelines to support research and execution. Monitor and manage the lifecycle of AI-driven systems in production environments. Requirements 6+ years of professional software development experience, ideally in a quantitative or trading environment. Strong Python programming skills and a solid foundation in statistics and machine learning. Proven experience delivering production-grade AI/ML … LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯
Posted:

AI Quantitative Developer - Crypto

london (city of london), south east england, united kingdom
Selby Jennings
AI and ML to drive automation, enhance decision-making, and scale a fully automated global trading platform. This is a unique opportunity to work at the intersection of quantitative development, AI, and crypto trading. You'll collaborate with Researchers, Traders, and Engineers to build intelligent systems that power 24/7 trading strategies, with full ownership from design to … datasets and build intelligent data pipelines to support research and execution. Monitor and manage the lifecycle of AI-driven systems in production environments. Requirements 6+ years of professional software development experience, ideally in a quantitative or trading environment. Strong Python programming skills and a solid foundation in statistics and machine learning. Proven experience delivering production-grade AI/ML … LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯
Posted:

AI Quantitative Developer - Crypto

London, UK
Selby Jennings
the time to read all the elements of this job advert carefully Please make your application promptly. This is a unique opportunity to work at the intersection of quantitative development, AI, and crypto trading. You'll collaborate with Researchers, Traders, and Engineers to build intelligent systems that power 24/7 trading strategies, with full ownership from design to … datasets and build intelligent data pipelines to support research and execution. Monitor and manage the lifecycle of AI-driven systems in production environments. Requirements 6+ years of professional software development experience, ideally in a quantitative or trading environment. Strong Python programming skills and a solid foundation in statistics and machine learning. Proven experience delivering production-grade AI/ML … LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯
Employment Type: Full-time
Posted:

Infrastructure Engineer

Poplar, England, United Kingdom
Barclays Bank PLC
Automation tools such as Ansible/Chef/Terraform.Working experience of event bus products such as Kafka.Some other highly valued skills may includeWorking experience of eSaaS and LoggingExperience with API DevelopmentExperience with DevOps automation tools such as Code versioning (git), JIRA, Ansible, database CI/CD tools and their implementation.You may be assessed on the key critical skills relevant … secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response. AccountabilitiesBuild Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and … Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution.Automation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.Security: Implementation of a secure configuration and measures to protect More ❯
Posted:

Senior API Engineer - PHP - £90k + Bonus - Full Remote.

United Kingdom
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty cool, huh? This isn More ❯
Posted:

Senior API Engineer - PHP - £90k + Bonus - Full Remote.

West London, UK
Hybrid / WFH Options
Venchr
Senior API Engineer - PHP - £90k + Bonus - Full Remote. We’re searching for a talented senior API developer with a background in building scalable web services around the PHP stack to join our team and dive into building a one-of-a-kind platform that manages finances for super yachts and touring bands—pretty cool, huh? This isn More ❯
Posted:
API Development
10th Percentile
£46,500
25th Percentile
£52,400
Median
£65,000
75th Percentile
£81,250
90th Percentile
£92,500