API Development Job Vacancies

201 to 225 of 234 API Development Jobs

Mid/Senior Java Full Stack Developer

London, United Kingdom
Emergn
and enforce coding standards and best practices. Troubleshoot, debug and optimize applications for performance and scalability. You're a perfect fit if you have: Extensive professional experience in Java development . Experience with front-end technologies (preferably VueJS or Angular or React) and RESTful API development. Proven experience with Microservices and JWT OAuth 2. Expertise with PostgreSQL Database. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Engineer - Outside IR35

Edinburgh, Midlothian, Scotland, United Kingdom
Sanderson Recruitment
and expanding the current automation service, which leverages OCR, Object Detection and LLM AI in order to automate some internal applications. You will bring a strong blend of Python development expertise, coupled with commercial exposure to modern AI technology and practices. Specifically, you will have a strong technical foundation across a blend of Large Language Models (LLMs), machine learning … fine tuning Machine Learning & AI Libraries including: Transformers/Hugging Face Python expertise with an understanding of object-oriented programming Pandas, PyTorch, Numpy SQLAlchemy, Boto3 AWS - Lambda, S3, CDK API Development Design and implementation of AI/ML solutions Excellent communicator Strong stakeholder management Keen collaborator The above is not exhaustive. For further information on this opportunity please More ❯
Employment Type: Contract
Rate: £500 - £550 per day
Posted:

Senior Software Engineer

Dublin, Ireland
Hybrid / WFH Options
Murex
is a global fintech leader in trading, risk management and processing solutions for capital markets.Operating from our 19 offices, 3 000 Murexians from over 60 different nationalities ensure the development, implementation and support of our platform which is used by banks, asset managers, corporations and utilities, across the world.Join Murex and work on the challenges of an industry at … in a people-centric environment.You'll be part of one global team where you can learn fast and stay true to yourself. The team: We are the Risk Control Development Team, part of the ERM (Enterprise Risk Management) domain in the Risk and Buy-Side group within the global development department. Our mission is to build and maintain … of collaboration, exploration, and continuous learning. The team is comprised of developers, business analysts and quality assurance members across our Dublin, Paris and Beirut sites Key Responsibilities: Design and Development: Lead the design and development of backend systems using Java, ensuring high performance, scalability, and reliability. Risk Control Solutions: Develop and implement risk control solutions that monitor, detect More ❯
Employment Type: Permanent
Salary: EUR 125,000 - 150,000 Annual
Posted:

Senior Software Engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Hybrid / WFH Options
Bright Purple Resourcing
Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Software Engineer

Greater Manchester, North West, United Kingdom
Hybrid / WFH Options
Bright Purple Resourcing
Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Software Engineer

Southampton, Hampshire, South East, United Kingdom
Hybrid / WFH Options
Bright Purple Resourcing
Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Software Engineer

Forton, Lancashire, UK
Hybrid / WFH Options
Bright Purple Resourcing
Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯
Employment Type: Full-time
Posted:

Blue Prism RPA Developer - SC Cleared

London, United Kingdom
Henderson Scott
. Proven ability to work independently and manage your own workload. Knowledge of the public sector, particularly within defence or government , is highly desirable. Experience with Power Automate and API development is a plus. If you're a skilled Blue Prism Developer with SC Clearance looking for a challenging new role, apply today. More ❯
Employment Type: Permanent
Salary: £500 - £515 per day + inside IR35
Posted:

React Developer

united states
Hybrid / WFH Options
Brooksource
structure & support of working at a Fortune 500 company, keep reading and apply today! *Education:* * Bachelor’s degree in Computer Science or a related technical field *Skillsets*: * Proven OOP development experience * Experience building user interfaces preferably with frameworks like ReactJS, but Typescript and AngularJS could also work. * Familiarity with Java and the Spring Boot framework. * Experience with RESTful web … services and API development. * Experience with cloud platforms is a plus * Passion for customer experience (CX) and Design Thinking * Understanding of software development lifecycle (SDLC), Agile methodology, continuous integration/continuous deployment (CI/CD) principles *Attitude and personality traits*: * Life-long learners, not afraid to ask questions, inquisitive by nature * Self-starter, takes the initiative and can … year Benefits: * Dental insurance * Health insurance * Paid time off * Vision insurance Compensation Package: * Performance bonus * Weekly pay Schedule: * 8 hour shift * Day shift * Monday to Friday Experience: * Front-end development: 5 years (Preferred) Work Location: Remote Remote working/work at home options are available for this role. More ❯
Posted:

Software Engineer - TS/ SCI FS Poly with Security Clearance

Falls Church, Virginia, United States
Associates Systems LLC
7+ years of relevant work experience) Analyze user requirements to derive software design and performance requirements. Debug existing software and correct defects. Provide recommendations for improving documentation and software development process standards. Design and code new software or modify existing software to add new features. Integrate existing software into new or modified systems or operating environments. Develop simple queries … functions. Design or implement complex algorithms requiring adherence to strict timing, system resources, or interface constraints. Perform quality control on team products. Implement recommendations for improving documentation and software development process standards. Confer with system engineers and hardware engineers to derive software requirements and obtain information on project limitations, capabilities, performance requirements, and interfaces. Coordinate software system installation and … monitor equipment functioning to ensure operational specifications are met. Architect and develop REST API to ensure secure, reliable communication between distributed systems. Architect and manage cloud-based solutions. Qualifications: Experience: 7-14+ years of relevant work experience as a Software Engineer (SWE) in programs and contracts of similar scope, type, and complexity. Skills: Excellent oral and written communication More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer - Flask and RestAPI - TS-SCI Full Scope with Security Clearance

Falls Church, Virginia, United States
Associates Systems LLC
7+ years of relevant work experience) Analyze user requirements to derive software design and performance requirements. Debug existing software and correct defects. Provide recommendations for improving documentation and software development process standards. Design and code new software or modify existing software to add new features. Integrate existing software into new or modified systems or operating environments. Develop simple queries … functions. Design or implement complex algorithms requiring adherence to strict timing, system resources, or interface constraints. Perform quality control on team products. Implement recommendations for improving documentation and software development process standards. Confer with system engineers and hardware engineers to derive software requirements and obtain information on project limitations, capabilities, performance requirements, and interfaces. Coordinate software system installation and … monitor equipment functioning to ensure operational specifications are met. Architect and develop REST API to ensure secure, reliable communication between distributed systems. Architect and manage cloud-based solutions. Qualifications: Experience: 7-14+ years of relevant work experience as a Software Engineer (SWE) in programs and contracts of similar scope, type, and complexity. Skills: Excellent oral and written communication More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software & Automation Senior Software Automation Engineer Permanent / Full-Time London, UK View ...

London, United Kingdom
Vorboss Limited
LLM-powered agents. Contribute to the full software lifecycle: design, build, deploy, and support. Champion a mindset of "improving how we build," both for team practices and developer experience. API Design and Development: Design and develop robust APIs with a strong emphasis on GraphQL. The right candidate: Adaptability in a Fast-Paced Environment: Thrives in dynamic settings and … oriented mindset. Must-Have Skills: Strong Experience in NodeJS and Typescript. Strong Experience with both consuming and developing GraphQL APIs Strong Experience working with React or other front end development frameworks. Experience with relational databases. Experience with Containers, Kubernetes, CI/CD, IaaC tooling, and Public Cloud platforms. Experience with graph databases and low & no-code tools. Familiarity with … digital design tools such as Figma. Familiarity with schema first database development, especially with Prisma ORM. Experience with graph databases, such as Neo4j We believe in taking care of our staff both mentally and physically and in order to support this we offer a range of benefits that you can access. Employee Share Plan - Once an employee at Vorboss More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Fullstack Developer

Birmingham, West Midlands, England, United Kingdom
Erin Associates
with designers, product owners, and other engineers in an agile environment. Build intuitive front-end experiences with React. Deliver robust APIs and services using RESTful architecture. Apply Test-Driven Development to ensure reliability and maintainability. Use Git for version control and Azure DevOps for tracking tasks and estimations. Core Skills & Experience for this Fullstack Developer role 5+ years’ experience … building commercial software and web applications. Expert at using Typescript to develop data-heavy Applications. React proficiency for front-end development. Deep knowledge of Node.js for backend and API development. Strong experience with unit testing and TDD practices. Skilled in Git branch management. A keen eye for quality, detail, and clean code practices. Comfortable using Azure DevOps for time … tracking and task estimation. The FullStack Typescript Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications. Keywords : Fullstack Developer, TypeScript, Node.js, React, Azure DevOps, Javascript, React Developer, Api, Birmingham, West Midlands, Solihull, WarwickshireTo apply, please send your CV More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Fullstack Developer

Birmingham, West Midlands, United Kingdom
Hybrid / WFH Options
Erin Associates
with designers, product owners, and other engineers in an agile environment. Build intuitive front-end experiences with React. Deliver robust APIs and services using RESTful architecture. Apply Test-Driven Development to ensure reliability and maintainability. Use Git for version control and Azure DevOps for tracking tasks and estimations. Core Skills & Experience for this Fullstack Developer role 5+ years experience … building commercial software and web applications. Expert at using Typescript to develop data-heavy Applications. React proficiency for front-end development. Deep knowledge of Node.js for backend and API development. Strong experience with unit testing and TDD practices. Skilled in Git branch management. A keen eye for quality, detail, and clean code practices. Comfortable using Azure DevOps for time … tracking and task estimation. The FullStack Typescript Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications. Keywords : Fullstack Developer, TypeScript, Node.js, React, Azure DevOps, Javascript, React Developer, Api, Birmingham, West Midlands, Solihull, Warwickshire To apply, please send your More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Senior Mobile Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Nextech Group Limited
Role: As a Senior Mobile Developer, you will take ownership of designing and delivering mobile-first applications across iOS, Android and web. You will work across the full software development lifecycle, from gathering requirements and managing backlogs to testing, deployment and delivery. This is a hands-on position where you'll also provide mentoring, drive best practices and ensure … Develop and implement applications using React Native, Xamarin, Blazor and Objective-C Build and maintain REST APIs with third-party integrations Lead automated testing and CI/CD pipeline development Oversee deployment processes and ensure robust release quality Mentor junior developers and share technical expertise Ensure compliance with security and industry best practice Requirements: 5+ years' experience with .NET … and C# Proven track record delivering mobile solutions across multiple platforms Strong knowledge of React Native, Xamarin, Blazor and Objective-C Solid understanding of REST API design and development Experience building accessible, mobile-first UIs and UXs Familiarity with cloud platforms (AWS preferred) Strong problem-solving skills and mentoring ability This is a fantastic opportunity to join a More ❯
Employment Type: Permanent
Salary: £45,000
Posted:

Software & Automation Software Automation Engineer Permanent / Full-Time London, UK View position

London, United Kingdom
Vorboss Limited
LLM-powered agents. Contribute to the full software lifecycle: design, build, deploy, and support. Champion a mindset of "improving how we build," both for team practices and developer experience. API Design and Development: Design and develop robust APIs with a strong emphasis on GraphQL. The right candidate: Adaptability in a Fast-Paced Environment: Thrives in dynamic settings and … oriented mindset. Must-Have Skills: Strong Experience in NodeJS and Typescript. Strong Experience with both consuming and developing GraphQL APIs Strong Experience working with React or other front end development frameworks. Experience with relational databases. Experience with Containers, Kubernetes, CI/CD, IaaC tooling, and Public Cloud platforms. Experience with graph databases and low & no-code tools. Familiarity with … digital design tools such as Figma. Familiarity with schema first database development, especially with Prisma ORM. Experience with graph databases, such as Neo4j We believe in taking care of our staff both mentally and physically and in order to support this we offer a range of benefits that you can access. Employee Share Plan - Once an employee at Vorboss More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data & AI Cloud Architect, AWS Professional Services

London, United Kingdom
Amazon
governance, streaming architectures, Open Table Formats, etc. Proficiency in at least one programming language (e.g., Python, Java, Scala, etc.) plus SQL. CI/CD experience and working knowledge of API development. Ability to lead technical teams and facilitating discussions regarding technical/architectural trade-offs, best practices and risk mitigation. This is a hands-on leadership role. Bachelor's … degree in Computer Science, Engineering, Maths or related field with 5+ years experience. PREFERRED QUALIFICATIONS Full-stack development experience e.g. React/Angular and integration with backend. AWS experience or working knowledge of AWS partner solutions like Databricks or Snowflake. Expertise of implementing GenAI in production including LLMs, RAG architectures, vector databases. Experience with automation and scripting (e.g., Terraform More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

Python Developer - Commodities

London, South East, England, United Kingdom
McGregor Boyall
requirements and iterate quickly on solutions. Implement testing frameworks, version control, and data validation processes. Integrate with market data, storage systems, and reporting platforms. Required Skills 5+ years' Python development experience, ideally within trading, risk, or financial services. Strong background with Pandas, NumPy, and data science libraries . Hands-on experience with Flask or FastAPI for API development. More ❯
Employment Type: Contractor
Rate: £650 - £700 per day
Posted:

Python Developer - Commodities

Crofton Park, Greater London, UK
MCGREGOR BOYALL ASSOCIATES LIMITED
requirements and iterate quickly on solutions. Implement testing frameworks, version control, and data validation processes. Integrate with market data, storage systems, and reporting platforms. Required Skills 5 years' Python development experience, ideally within trading, risk, or financial services. Strong background with Pandas, NumPy, and data science libraries . Hands-on experience with Flask or FastAPI for API development. More ❯
Posted:

Full Stack Java/Angular

Smithfield, Rhode Island, United States
AETG Services PVT LTD
Position title : Globality Bid - Full Stack Java/Angular Location : Smithfield, RI Duration : 8 Months Contract Primary Skills Angular, API, Java Job Description We are seeking 3 experienced Full Stack Java/Angular Developers for a critical project in FI - MDM Investible Universe. Client is looking for a team to assist in developing new capabilities to accommodate the expansion … and ensure adherence to best practices and coding standards. Troubleshoot and resolve any issues related to the reporting application and APIs. Qualifications: 6-10 years of experience in Java development Strong understanding of RESTful API design and development. Familiarity with data visualization tools and techniques. Solid knowledge of software development methodologies and best practices. Excellent problem-solving … skills to effectively collaborate with stakeholders. Preferred Skills: Experience in building reporting applications with functionalities similar to those described. Knowledge of application performance tuning and optimization. Familiarity with Agile development methodologies. More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Full Stack Java /springboot

Smithfield, Rhode Island, United States
AETG Services PVT LTD
Position title : Globality Bid - Full Stack Java/Springboot Location : Smithfield, RI Duration : 8 Months Contract Primary Skills Angular, Spring, API, Java Job Description We are seeking 3 experienced Full Stack Java/Springboot Developers for a critical project in FI - MDM Investible Universe. Client is looking for a team to assist in developing new capabilities to accommodate the … ensure adherence to best practices and coding standards. Troubleshoot and resolve any issues related to the reporting application and APIs. Qualifications: 6-10 years of experience in Java Springboot development Strong understanding of RESTful API design and development. Familiarity with data visualization tools and techniques. Solid knowledge of software development methodologies and best practices. Excellent problem-solving … skills to effectively collaborate with stakeholders. Preferred Skills: Experience in building reporting applications with functionalities similar to those described. Knowledge of application performance tuning and optimization. Familiarity with Agile development methodologies. kubra II More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Axway API Developer

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
Axway API Developer +6 months + +£650 - £700 a day +Inside IR35 +Fully remote working +SC cleared role Responsibilities Designing, developing and deploying of Axway policies and containers using Axway Policy Studio v7.7 Working with DevOps toolset for develop and maintain Automated Testing and Code Deployment Provide Assistance to Axway support team to resolve technical issues Administrating the … Axway Environment, using Axway Policy Studio, Axway API Manager, Cassandra and API Gateway for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Your skills and experience SFTP HTTPS SSL/TLS oAuth JSON XML SOAP REST Mime Linux Scripting SC clearance is essential for this role. … If you'd like to discuss this Axway API Developer in more detail, please send your updated CV to (url removed) and I will get in touch. More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Full Stack Engineer

Birmingham, England, United Kingdom
Hybrid / WFH Options
GTS Group Ltd
We are seeking a Full stack Developer to join our team and support the design and development of back-end systems that power our EV charging infrastructure. You’ll help build the technology stack that delivers real-time insights to customers on fleet charging operations, as well as data on system performance for Voltempo. Working closely with experienced engineers … Software Engineering, Computer Science, or a related subject (or equivalent experience). Knowledge of programming and web technologies such as HTML5, CSS3, JavaScript/React, Node.js, SQL, JSON, and API development. Strong problem-solving and analytical ability, with a willingness to learn and take on new challenges. Enthusiasm for low-carbon technologies, sustainability, and innovative data solutions. Strong communication More ❯
Posted:

Software Developer

Banbury, Oxfordshire, South East, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
Software API Developer - Hybrid - Salary £50k (DOE) We are currently working with a growing SaaS company based in Oxfordshire, who have an exciting opportunity for a Software developer experienced with C#, .NET Core, and ASP.NET to join their growing Agile Development team. You will be designing, developing, and optimising backend services and RESTful APIs. Also, you will be … ensure code quality. Ensure projects are completed on time and meet technical specifications. Essential Experience: Strong proficiency in C# and .NET Core Experienced with ASP.NET Core MVC and Web API Experienced with Entity Framework Core and LINQ Proven experience designing and implementing RESTful APIs Understanding of API versioning documentation (e.g. Swagger) Proficient in SQL Solid understanding od Data More ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
Posted:
API Development
10th Percentile
£45,000
25th Percentile
£52,500
Median
£70,000
75th Percentile
£87,500
90th Percentile
£100,000