226 to 250 of 397 API Development Jobs

Java API Developer x3 Northampton £55,000 - £60,000 + Benefits A leading consultancy-based organisation is currently looking to recruit a number of Java API Developers to partner with a financial services-based organisation who have a passion for designing and building robust, scalable applications. The successful skilled developer will join a dynamic engineering team, where you … in peer code reviews and contribute to continuous improvement Ensure systems are secure, scalable, and optimised for performance Skills & Experience: Strong hands-on experience in Java, Spring Boot, and API Gateway Solid understanding of OOP, Core Java, and Advanced Java Proficient with REST API, Spring Core, Spring MVC, and Microservices Architecture Familiarity with tools and technologies such as … Maven, Gradle SOAP, Junit, Oracle Jenkins, Nexus Git, JBoss/Tomcat Linux/UNIX shell scripting JIRA, Exec API Exposure to cloud platforms (e.g., OpenShift V3, AWS, or Spring Cloud) is desirable More ❯

public holidays observed in the Republic of Ireland. Mandatory Requirements (Pass/Fail) ü Experience Level: The candidate must have more than 1+ years of relevant Java/JEE Development experience at a junior level. ü Availability: The candidate must be available to commence work from 3rd November 2025. ü English Language Proficiency: The candidate must be fluent in … with experience using industry-standard frameworks, e.g. Quarkus/Spring Boot. Coding in adherence to the standards of the application in question. Completing assigned tasks related to phases of development lifecycle of enterprise applications within given scope and timeframes requirements. Maintaining, tuning and repairing applications to keep them performing according to technical and functional specifications. Performing preventive maintenance activities … Microservice and API development (RESTful, experience of REST design and implementation). Understanding API security protocols (OAuth 2.0/0penID Connect). Knowledge of Kubernetes, API managers and WebLogic. Experience with OpenShift Container platform, 3scale API and KeyCloak. Testing frameworks and TDD (like Cucumber or Junit). Databases: Relational (Oracle). Integration of technical and More ❯

is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for a 12-month contract. Role Overview: As part of their growing in-house development team, you'll define, design, and develop new features and capabilities, focusing on cloud services and architectures. The role involves creating tools and apps that enhance their data platform … directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ years' experience in complex, multi-platform environments Strong background in Azure cloud architecture and deployment Proficiency in … TypeScript and Node.js Experience with enterprise middleware technologies Knowledge of API development and management Package & Working Pattern: Salary up to £80,000 per annum Performance-related bonus Comprehensive benefits package 2 days in our London office Fixed-term contract (12 months) Their approach is agile and data-driven, emphasizing collaboration within a cross-functional product team. #CloudComputing #Azure More ❯

is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for a 12-month contract. Role Overview: As part of their growing in-house development team, you'll define, design, and develop new features and capabilities, focusing on cloud services and architectures. The role involves creating tools and apps that enhance their data platform … directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ years' experience in complex, multi-platform environments Strong background in Azure cloud architecture and deployment Proficiency in … TypeScript and Node.js Experience with enterprise middleware technologies Knowledge of API development and management Package & Working Pattern: Salary up to £80,000 per annum Performance-related bonus Comprehensive benefits package 2 days in our London office Fixed-term contract (12 months) Their approach is agile and data-driven, emphasizing collaboration within a cross-functional product team. #CloudComputing #Azure More ❯

Description Position: Software Architect - Expert Location: Northern VA Clearance: TS/SCI Overall Assignment Description: Expert-level Software Architects lead the design and development of software solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. The Expert-Level … coding standards, tools, and platforms. The Expert-level Software Architect provides technical and software engineering support towards a model-based systems engineering approach to IT requirements engineering and architecture development, targeted at the Enterprise, Segment, and Solution Engineering levels. This consists of developing and transforming the A gency IT EA framework, processes & tools to realize EA vision, and the … SaaS, PaaS, custom software, third party offerings, open source and other technology components. Ensure a loosely coupled architecture through the use and management of APIs (e.g., REST, OData, AWS API management tools, etc ) as well as microservices. Establish standards and guardrails for internal and external use. Provide architectural guidance to support Agile/DevSecOps software development solutions, modern More ❯

Solutions Architect (Integration | API Design)St Albans (Hybrid) Compensation: Salary +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role: We're seeking … disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We're Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and More ❯

Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: Salary +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role: We're seeking … disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We're Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and More ❯

Developer works as part of a team to implement functionality as part of multiple efforts to build data processing applications while taking ownership of some pieces of the software development lifecycle. A successful developer will be able to implement functionality to interface with an existing system, as well as writing new functionality to interface with various open-source tools. … Knowledge of the software development lifecycle is a must, as the developer will help translate requirements into user stories to be implemented as part of a team. As part of the implementation phase, the developer is expected to include automated tests as part of the CI/CD pipeline to validate the code that is being written. Knowledge of … customer stakeholders to align on requirements and technical implementations Required Skills: Minimum 3-5 years' experience with: Data Processing Python Libraries such as PySpark, Pandas and Numpy Experience with API development in Python using Python libraries such as FastAPI Experience with Unit Testing Frameworks in PyTest and Mocking Preferred Skills/Experience: Experience with Python ORM tools for More ❯

Lead a team of developers to design, develop, test, and release software solutions to support therequirements of the business. Lead initiatives which deliver modernisation of deployed technology,tools, and development processes. Responsibilities Maintain a skilled, and motivated team capable of delivering software solutions across a broad technologystack Design high quality software solutions which meet technical architecture and security standards … Develop robust and scalable software solutions Adhere and contribute to the evolution of development standards Ensure high quality and robust automated and manual tests are completed on all system changesprior to handing over to the System Test team Lead team initiatives to improve efficiency or reduce technical debt, reporting progress to the Head ofDevelopment as Sponsor Peer review code … accuracy and completeness, whilst ensuring that changesare both maintainable and supportable Assist the Delivery Managers and/or Project Managers during the programme and project planning process Continually review development and delivery activities to identify improvements to architecture, processes,services, performance metrics and infrastructure to increase efficiency, effectiveness, and customersatisfaction Provide expert second line support to 7IM's Application More ❯

Alleud - Hybrid (2 days/week onsite) 6 Months (+ Possible Extensions) We're looking for an experienced AI Engineer to join our innovation-driven team and lead the development of GenAI solutions using GPT, Azure AI, and LLMs . What You'll Do Design and deliver end-to-end AI solutions (from prototype to production). Engineer effective … experiment with agentic frameworks (e.g., OpenAI Agent SDK, MCP Tools). Your Profile Proven track record with GPT/LLMs , Azure AI , and Python . Strong in prompt engineering , API development , and cloud integration . Experience with agentic AI , Docker , and BI/ETL pipelines is a plus. Team player with great communication skills. Fluent in English (Dutch More ❯

UK business who are looking for a Senior Developer, as they continue to invest in technology and digital transformation across CRM, service delivery, and SaaS solutions This has strong development opportunities with a clear route to a Lead Developer role.On offer is a salary of up to £65k and a flexible working pattern with the opportunity to work mostly … you’ll also be responsible for troubleshooting and optimising application performance to deliver the best possible user experience. Requirements: Strong experience with Azure infrastructure, UI/UX, and RESTful API development, along with a solid grasp of SOLID principles and CI/CD pipelines. Strong collaboration and stakeholder management skills, with the ability to work effectively with different More ❯

Our client is on a mission to shape the future of AI. As they expand their development team, they are looking for a talented Full Stack Developer to help build outstanding features that customers love. About the Role: As a Full Stack Developer, you will be responsible for designing, developing, and maintaining applications using Next.js, Supabase, and TypeScript. You … high standards of quality and best practices. Troubleshoot and resolve issues, ensuring optimal performance and user experience. Stay updated with the latest industry trends and technologies to continuously improve development practices. Technical Requirements: Strong experience with Next.js and TypeScript. Proficiency in front-end technologies such as HTML, CSS, and JavaScript. Experience with API design and development, including … opportunities to share in our success Flexible working hours for work-life balance Clear career progression paths A diverse, inclusive environment that values autonomy Annual learning allowance for professional development ALL APPLICANTS MUST BE FREE TO WORK IN THE UK Exposed Solutions is acting as an employment agency to this client. Please note that no terminology in this advert More ❯

join a multi-disciplinary team supporting a large-scale programme within UK central government. This role involves a combination of supporting complex live services and contributing to ongoing project development in a fast-paced agile environment. Candidates must hold active SC clearance and have recent experience working on central government digital services . Key Responsibilities: Manage and resolve live … tools like ServiceNow Triaging and prioritising incoming issues based on severity and business impact Implement fixes and enhancements directly or in collaboration with other technical teams Contribute to project development tasks as required Collaborate with Scrum Masters, DevOps engineers, testers and delivery leads within an established team Essential Skills & Technologies: Java (including Spring Boot and REST API development More ❯

documented code, adhering to best practices in software engineering. Testing and validation : Develop comprehensive unit and integration tests to ensure the reliability and accuracy of our AI retrieval systems. API development : Build and maintain REST and GraphQL APIs using frameworks like FastAPI and Flask to expose our AI retrieval capabilities to other services and applications. Streaming and cancelable … can choose the appropriate approach for different tasks. Memory and performance profiling : Proficient in using tools like tracemalloc and cProfile to identify and optimize memory usage and performance bottlenecks. API development : Experienced in developing and maintaining REST and GraphQL APIs using frameworks like FastAPI and Flask. Streaming responses and cancelable endpoints : Capable of implementing streaming responses and cancelable … Competitive pension scheme and company contribution Annual work-life stipends for: Home office setup, cell phone, internet Wellness stipend for gym, massage/chiropractor, personal training, etc. Learning and development stipend Company-wide off-sites and team off-sites Competitive compensation and company stock options More ❯

and designing integration solutions to connect Dynamics 365 Finance and Operations with other systems such as ProjOps, Dataverse, Data Lake, Synapse, Enterprise Data Warehouse (EDW), or third-party applications. Development: Writing code and developing custom solutions using relevant programming languages and technologies (such as X , C#, SQL, XML, JSON) to create seamless data flow and functionality between different systems. … API Development: Utilizing APIs (Application Programming Interfaces) provided by Dynamics 365 Finance and Operations and other systems to facilitate data exchange and communication between them. Data Mapping and Transformation: Defining data mapping rules and implementing data transformation processes to ensure data consistency and accuracy across integrated systems. Testing and Debugging: Conducting thorough testing of integration solutions to identify … methodologies to continuously improve integration solutions and processes. Skills and Competencies A relevant number of years' of experience developing integrations for Microsoft Dynamics 365 Finance & Operations Skills of X development, including solutions. T-SQL development skills Cloud Integration specialisms familiar with the range of Azure integration technologies Functions Logic App Azure Data Lake Azure Synapse Azure DevOps Experience More ❯

Angular As their Full Stack Software Engineer you will be involved in everything from maintaining the current code base to developing highly available, scalable, and resilient applications to streamlining development and deployment processes. You must be comfortable working within a small internal team and with an extended team with external development partners. Skills and responsibilities: Develop, maintain and … version preferred), RxJS, and NgRx (or similar state management libraries). Backend Skills: experience with .NET Core/.NET 6, C#, and Entity Framework for Back End services and API development. Database Expertise: Proficiency with SQL databases, with hands-on experience in database design, writing complex queries, and performance tuning. Version Control: Proficient in using Git for source control More ❯

across large organisations or multi-layered teams. Experience with DevOps automation tools such as Code versioning (git), JIRA, Ansible, database CI/CD tools and their implementation. Experience of API development using REST/SOAP. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business … of systems and services through proactive monitoring, maintenance, and capacity planning. Resolution, analysis and response to system outages and disruptions, and implement measures to prevent similar incidents from recurring. Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience. Monitoring and optimisation of system performance and resource usage, identify and address … bottlenecks, and implement best practices for performance tuning. Collaboration with development teams to integrate best practices for reliability, scalability, and performance into the software development lifecycle, and work closely with other teams to ensure smooth and efficient operations. Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a More ❯

This role is on site at Fort Bragg 5x per week. You Have: 3+ years of experience with Python, JavaScript, and React 3+ years of experience with API development and integration 2+ years of experience with user authorization, role implementation, and code build and deployment Experience with JWT and Oath2 Experience with Git management, including code repo management More ❯

events has reached an impressive 80% and we have over half a million users on the platform. Following a successful funding round, we are gearing up for rapid product development and business expansion. the opportunity: This is a rare opportunity as a Full Stack Engineer to work at a venture-backed startup on a totally greenfield project where you … React web applications on Google Cloud Platform + Firebase, both frontend and backend. Considerable experience with App deployment and management on the Vercel cloud computing platform. Occasionally contribute to development and maintenance of React Native and mobile web front-end. Building and managing resources on Google Cloud Platform, serverless functions and other cloud technology. Write clean, maintainable, and reusable … UI/UX designers to implement user-friendly interfaces and ensure a seamless user experience. Optimise application performance and resolve any technical issues or bugs that arise during the development process. Conduct code reviews and provide constructive feedback to junior team members to improve overall code quality. Collaborate effectively within a cross-functional team to deliver high-quality solutions More ❯

pricing teams in order to help support maturation of analytics practice within the organization. Write high quality python code using industry best practice for model training and deployment Continuous development of knowledge base and experience, including researching new techniques and technologies, communicating this back with the team Skills criteria Experience of data science, advanced analytics or a genuine interest … mining) used to draw key business insights and clearly articulate findings for target audience Exceptional written communications skills and effective presentation skills Willingness to learn best practice in software development Strong python programming skills Experience of TDD (pytest or other testing framework) Desirable skills Graduate or Postgraduate qualification or equivalent experience in a relevant discipline e.g. engineering, mathematics, physics … insurance or Ecommerce is an advantage but not required Experience of deployment in a cloud environment Experience with neural networks and Tensor Flow, CatBoost, XGBoost, SKlearn, Pandas Experience with API development SQL experience Software engineering experience DevOps/MLOps experience Good working understanding of CI/CD If you hold the experience and technical skills outlined above which More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerisation, automation, and orchestration tools.Familiar with CI/CD pipelines and More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerisation, automation, and orchestration tools.Familiar with CI/CD pipelines and More ❯

Epsilon invests in our employees by promoting from within and enabling employees to elevate their knowledge and skill set in their profession by allocating $3,000 annually in Professional Development funds. We also offer competitive pay, comprehensive benefits through one of the largest national carriers, Paid Time Off (PTO) that increases with tenure and has a generous rollover … flexibility to work from home based on business needs. An average day: As Artificial Intelligence (AI) Technical Lead , you will provide strategic oversight and technical leadership in the design, development, and support of AI/ML models and related infrastructure. This role focuses on building scalable, maintainable solutions that address complex domain-specific challenges while ensuring alignment with organizational … mentors team members, drives innovation through state-of-the-art algorithmic approaches, and fosters operational efficiency across enterprise systems. In this position you will: Direct the end-to-end development and support of AI models for multiple functional domains, ensuring advanced scalability, reusability, and alignment with organizational goals. Oversee the integration, maintenance, and sharing of model-specific metadata-such More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerisation, automation, and orchestration tools.Familiar with CI/CD pipelines and More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerisation, automation, and orchestration tools.Familiar with CI/CD pipelines and More ❯