101 to 125 of 487 Permanent API Development Jobs

Senior Backend or Full Stack Developer (Contract, AI-Driven Environment) I'm looking for an experienced full stack or backend-focused senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development. You … if you: Deliver production-ready APIs fast and independently Have proven experience with consumer-facing platforms Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development (this can be personal projects if no commercial experience) Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability … traffic environments We’re not looking for: Developers needing extensive supervision or mentoring Anyone without production experience in consumer-facing systems Core Technical Requirements: Node.js (extensive production experience) RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or More ❯

Senior Backend or Full Stack Developer (Contract, AI-Driven Environment) I'm looking for an experienced full stack or backend-focused senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development. You … if you: Deliver production-ready APIs fast and independently Have proven experience with consumer-facing platforms Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development (this can be personal projects if no commercial experience) Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability … traffic environments We’re not looking for: Developers needing extensive supervision or mentoring Anyone without production experience in consumer-facing systems Core Technical Requirements: Node.js (extensive production experience) RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or More ❯

work with your colleagues, stakeholders and third parties, to align on requirements and deliver a user experience you can be proud of. The role requires demonstrable experience of backend development using PHP and MySQL, and includes full lifecycle development of RESTful APIs and web apps which can operate at scale on AWS. You will appreciate the benefits of … Experience of software architecture and presenting technical designs to your team and stakeholders. Excellent communicator with a self-starter attitude and comfort working autonomously. Demonstrable expertise and understanding of API development/design and experience interfacing with disparate systems. Applicable understanding of software security, common exploits and secure development practices, including the OWASP Top 10. Proven and More ❯

TDD, BDD) Seek out ways to measure the impact your solutions have on the business and use them to inform future workSkills and Experience Specification Essential : Experience of application development using Python (FastAPI desirable) Relevant qualifications and experience i.e. BSc in Computer Science or Engineering, Software Development certifications, etc. Demonstrable experience in configuring and developing complex software solutions … Strong understanding of object-oriented programming and test driven development (TDD and BDD) Strong understanding of agile software engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on knowledge of Domain Driven Design (DDD) Some experience with frontend technologies such as HTML, CSS, HTMX, React Experience of C# with .NET Web and API development Understanding of git, CI/CD and DevOps practices and experience in Observability/monitoring Any knowledge of Actuarial/Commercial Insurance Some exposure to or interest in Terraform and deployment pipelines in AWS or Azure Awareness of modern software techniques such as integration patterns, microservices, containerisationWhat We OfferThe Tokio Marine HCC Group of Companies offers a More ❯

We are seeking a full-time contractor or employee for a Full Stack Java Developer role.Perform advanced automated systems development work in support of Applications Solutions systems. Responsible for activities during all phases of the system development life cycle including analyzing, diagnosing and resolving software, data, hardware and reporting problems and troubleshooting system issues for internal and external …/HTML/CSS/JavaScript/Bootstrap 2.0 Proficiency in SQL, DDL, DML, and Stored Procedures Experience with Spring MVC, Spring Boot, and Spring Batch Knowledge of Web API development (SOAP, REST, XML, JSON; REST preferred) Familiarity with Service-Oriented Architecture (SOA) concepts and technologies Experience with MS Azure Cloud technologies (Java on Azure, Azure SQL Server … JBOSS EAP on Azure) Working knowledge of scripting and batch processing in both legacy and modern technologies Experience in building WCAG-compliant web applications Strong understanding of Software Development Life Cycle (SDLC) principles and application programming techniques Ability to test software applications using a data-driven development approach Problem-solving skills, with experience in scheduling, testing, installing, implementing More ❯

Job Title: Full Stack (React/Java) Software Development Engineer II Job Location: Arlington, VA Onsite Requirements: React Java TS/SCI Full Scope Polygraph Clearance Job Description: The ideal candidate will have strong expertise in React, TypeScript, and Java, with a focus on developing and enhancing web applications. Key Responsibilities: Develop and enhance web applications using React/… TypeScript/Java Design, develop, and implement embedded or distributed software applications Create robust solutions based on functional requirements Participate in full development lifecycle from design to delivery Produce detailed software documentation Integrate back-end systems and develop APIs Collaborate with cross-functional teams Basic Qualifications: Minimum 3 years of professional software development experience (non-internship) 3+ years … of full stack development experience Proven experience with: Front-end: HTML, CSS, JavaScript, React Back-end: API development and model integration Preferred Qualifications: Bachelor's degree in Computer Science or equivalent field 3+ years experience with full software development lifecycle Proficiency in: Coding standards Code reviews Source control management Build processes Testing methodologies Operations Technical Skills More ❯

Fullstack Database Developer (React/Python API's) Overview Seeking a software developer to build a chemical inventory system that integrates seamlessly with our existing Lab Management System (LIMS). The goal is to improve material tracking, safety documentation, and experimental workflow integration. Requirements: Ingest materials using barcode scanning or UI input Retrieve and store hazard information, SDS, and … material quantity updates throughout experiment activities Ability to develop applications for a chemical inventory system to integrate with the existing lab management system Implement location tracking through the existing API (sample position) and enable order tracking Technical Skills: Proficiency in React, with a strong understanding of modern UI development practices. Expertise in Python and API development using frameworks such as Flask or FastAPI. Must have experience extending API's and/or device integration. Ability to handle inbound chemical data, including barcode scanning, material tracking, hazard information, and SDS management. Experience integrating with hardware devices, including barcode scanners. Demonstrated experience designing and deploying cloud-first solutions, preferably on AWS. Implement features that notify users More ❯

transformation. What You’ll Get: Access to a dedicated wellbeing hub and staff support networks Flexible working arrangements to suit your lifestyle Generous annual leave and pension scheme Professional development through extensive training programmes Salary sacrifice schemes for childcare, electronics, and savings Opportunities to work on innovative projects that impact real lives The Role: As a Senior Front-End … Developer, you’ll lead the design and development of secure, scalable web applications using modern Typescript/JavaScript frameworks. You’ll work in an agile, cross-functional team, contributing to strategic digital initiatives and mentoring junior developers. Key Responsibilities: Develop and maintain high-quality front-end solutions using React. Collaborate with designers, back-end developers, and stakeholders to deliver … APIs and manage CI/CD pipelines Write robust unit tests using tools like Jest Contribute to architectural decisions and technical strategy Support continuous improvement and innovation across the development lifecycle Essential Skills: Expert-level proficiency in HTML, CSS, JavaScript Strong experience with React. Familiarity with cloud platforms (Azure or AWS) Experience with CI/CD and API More ❯

Location : Preferred candidates from Washington, Illinois, or Arizona (Remote options available) Experience : 3+ years in MEAN stack development Employment Type : Full-Time Job Description : We are seeking a highly skilled and motivated MEAN Stack Developer to join our dynamic team. The primary role will involve developing and maintaining our custom CRM system. The ideal candidate will have a strong … background in building scalable and efficient applications using MongoDB, Express.js, Angular, and Node.js, with a focus on AWS cloud integration. Key Responsibilities : Participate in the development and enhancement of our CRM system. Ensure the AWS platform, including Lambda services and MongoDB databases, is up-to-date and fully optimized. Collaborate with the development team to design, build, and … to improve system performance and security. Work closely with cross-functional teams to integrate third-party services and applications. Maintain documentation and ensure best practices are followed throughout the development lifecycle. Required Qualifications : 3+ years of experience with MEAN stack development (MongoDB, Express.js, Angular, Node.js). Proven experience with AWS services , particularly Lambda (link removed)> Solid understanding of More ❯

Location : Preferred candidates from Washington, Illinois, or Arizona (Remote options available) Experience : 3+ years in MEAN stack development Employment Type : Full-Time Job Description : We are seeking a highly skilled and motivated MEAN Stack Developer to join our dynamic team. The primary role will involve developing and maintaining our custom CRM system. The ideal candidate will have a strong … background in building scalable and efficient applications using MongoDB, Express.js, Angular, and Node.js, with a focus on AWS cloud integration. Key Responsibilities : Participate in the development and enhancement of our CRM system. Ensure the AWS platform, including Lambda services and MongoDB databases, is up-to-date and fully optimized. Collaborate with the development team to design, build, and … to improve system performance and security. Work closely with cross-functional teams to integrate third-party services and applications. Maintain documentation and ensure best practices are followed throughout the development lifecycle. Required Qualifications : 3+ years of experience with MEAN stack development (MongoDB, Express.js, Angular, Node.js). Proven experience with AWS services , particularly Lambda (link removed)> Solid understanding of More ❯

Location : Preferred candidates from Washington, Illinois, or Arizona (Remote options available) Experience : 3+ years in MEAN stack development Employment Type : Full-Time Job Description : We are seeking a highly skilled and motivated MEAN Stack Developer to join our dynamic team. The primary role will involve developing and maintaining our custom CRM system. The ideal candidate will have a strong … background in building scalable and efficient applications using MongoDB, Express.js, Angular, and Node.js, with a focus on AWS cloud integration. Key Responsibilities : Participate in the development and enhancement of our CRM system. Ensure the AWS platform, including Lambda services and MongoDB databases, is up-to-date and fully optimized. Collaborate with the development team to design, build, and … to improve system performance and security. Work closely with cross-functional teams to integrate third-party services and applications. Maintain documentation and ensure best practices are followed throughout the development lifecycle. Required Qualifications : 3+ years of experience with MEAN stack development (MongoDB, Express.js, Angular, Node.js). Proven experience with AWS services , particularly Lambda (link removed)> Solid understanding of More ❯

Job Description: We are seeking a skilled Moveworks Developer to design, configure, and deploy enterprise-grade conversational AI solutions using the Moveworks platform. This role combines hands-on application development with AI assistant configuration and enterprise integrations, ensuring seamless end-to-end delivery across ITSM, HR, and other business domains. Key Responsibilities Design, develop, and configure AI-powered chatbots … Engineering, or a related field. 3+ years of technical experience, with at least 12 years in Moveworks or similar conversational AI platforms. Strong JavaScript/TypeScript, Node.js, and React.js development experience. Proven expertise in REST API development and enterprise integrations. Familiarity with HR lifecycle workflows (onboarding, performance management, case management) and ITSM processes. Strong analytical, troubleshooting, and … Moveworks-specific configuration (intents, conversation design, thresholds Experience integrating Workday, ServiceNow, or Salesforce with AI assistants. Knowledge of cloud platforms (AWS, Azure, GCP) and enterprise security best practices. Agile development and DevOps delivery experience. Exposure to HR compliance and data security frameworks. Mandatory Skills - Moveworks, AI, Chatbot Optional Skills Typescript,Javascript,Rest Api,Json,Nlp,React.Js More ❯

UK is investing heavily in modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. Role Overview As Tech Lead, you will be responsible for the technical leadership of a cross-functional agile team. You will guide … software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of enterprise-grade applications using Java and related technologies Define and enforce agreed coding standards, architectural principles, and engineering best practices Collaborate with Product Owners, Business Analysts, Solution Architects and … experience as a Tech Lead or Senior Java Developer in agile environments Strong understanding of Agile framework & principles Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development Experience with cloud platforms (AWS preferred), containerization (e.g. Docker, Kubernetes) and microservices architecture Familiarity with CI/CD tools such as Jenkins, AWS CodePipeline, GitLab CI, or More ❯

solving technical problems to creating design documents and implementing complex designs. Directly responsible for consistently delivering scalable, production-ready back-end/server code in Java, from design and development to deployment, as a member of an Agile development team. Partner closely with a cross-functional team of key stakeholders (Engineers, Architects, Product Managers, QA, and Operations) to … operations. Display a passion for high quality, continuous learning, and experimenting and applying cutting-edge technology, software paradigms, and engineering process improvements. Qualifications: Demonstrates strong software design skills (REST API design, extensible design while coding, good at DB modelling, proactive in error handling); expert in Java/Spring/Hibernate skills. 5+ years of software engineering experience, including a … AWS. Fluent in Databases/SQL (MySQL experience preferred). Excellent programming discipline: data structures, complexity analysis, object-oriented principles, design patterns, and unit testing. Excellent knowledge of the development challenges inherent with highly scalable and available web/mobile applications. Experience with API development and integration with 3rd-party services is preferred. Ability to work well More ❯

CI/CD, testing, and automation. What Were Looking For Comp Sci or STEM Degree from a Top Russell group University 3-5 years of experience in full-stack development, with a focus on Python and Django . Strong experience with React or React Native for building dynamic, responsive front-end applications. Proficiency in SQL databases (PostgreSQL/MySQL … practices and familiarity with tools such as Docker , Kubernetes , and cloud platforms ( AWS/GCP/Azure ). Knowledge of Node.js and building scalable back-end services. Experience in API development and integrating third-party APIs. Familiarity with Agile methodologies, version control (Git), and CI/CD pipelines. Bonus: Experience in the PropTech sector or working with property … Offer Competitive salary A fast-paced, collaborative, and innovative start-up environment. Flexible working hours and remote/hybrid options. Opportunity to shape the tech stack and architecture. Personal development budget and training opportunities. More ❯

with deploying, configuring, and managing cloud architecture and technologies in AWS environments. Experience with web application services such as NGINX, Apache, JBoss. Experience of Test Driven or Behaviour Driven development, and being able to implement automated test solutions using Robot, Selenium etc API development and integration (preferably using Go but not essential). Knowledge of OpenShift Containerisation More ❯

offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders to … cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior 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: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯

offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite.As a Senior Software Engineer, you’ll play a key role in the design, development, and delivery of scalable, high-performance software solutions. You’ll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders … cloud-based deployments. Key Skills & Experience 5+ years’ commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior 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: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯

offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders to … cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior 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: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯

offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite.As a Senior Software Engineer, you’ll play a key role in the design, development, and delivery of scalable, high-performance software solutions. You’ll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders … cloud-based deployments. Key Skills & Experience 5+ years’ commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior 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: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯

A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯

A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯

A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯

exceptional user experiences? A market-leading FinTech company—known for delivering best-in-class solutions in core business operations is seeking a collaborative engineer to join their dedicated AI development team. We believe brilliant minds create brilliant software, and we're expanding our capabilities to set a new standard in the industry. The Impact: Defining AI Interaction This role … managers to translate technical concepts into practical, market-ready solutions. Quality & Best Practices: Write robust, well-documented, and testable code, actively participating in code reviews and elevating front-end development standards. Your Technical Profile: We are looking for an adaptable, self-starting individual with a strong foundation in modern web technologies and a genuine enthusiasm for AI. Core Expertise … C#, .NET/JavaScript/Node Experience in front-end development and demonstrated proficiency with leading JavaScript frameworks (e.g., React, Vue, Angular). Web Fundamentals: Deep understanding of HTML5, CSS3, and responsive design principles. API Development: Proven ability to design and implement RESTful services. Cloud Exposure: Familiarity with major cloud providers (Azure, AWS, or GCP). Process More ❯

paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/CD processes. Optimize applications for performance and scalability. Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University … 1st or 2:1). 5+ years of full-stack development experience (Python/Django). Strong experience with SQL databases (PostgreSQL/MySQL). Familiarity with DevOps tools (Docker, Kubernetes, AWS/GCP/Azure). Experience with API development and Git. More ❯