76 to 100 of 372 Permanent API Development Jobs

contribute to the evolution of our core B2B ordering platform and play a key role in the transition to a next-generation digital ordering experience. Reporting to the Software Development Manager you will help us improve our back-end applications to help drive productivity and efficiency within our business, and most importantly delight our customers. As an experienced dotnet … focussed product team developing our core B2B ordering platform, and will be responsible for contributing to sprint velocity, stand up, estimations, and retrospectives. You will have strong back-end development skills with a clear understanding of modern dotnet, C# and Entity Framework. Experience with using OAuth2.0 would be welcomed. You will be involved in all stages of software development … expect to work with, our core stack is outlined below. However, we are constantly learning and, where appropriate, incorporating the latest technologies in our projects. We use modern software development practices including CI/CD and feature flagging, and are always looking to improve delivery of our software through automation, and collaboration with other areas of IT. Backend: C# More ❯

TFS/Azure DevOps We are looking for an experienced Software Developer for a growing Software house. You’ll have the opportunity to work in a close-knit, collaborative Development Team, working on some complex projects, where problem solving is of high importance. To be considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and More ❯

contribute to the evolution of our core B2B ordering platform and play a key role in the transition to a next-generation digital ordering experience. Reporting to the Software Development Manager, you will help us improve our back-end applications to drive productivity and efficiency within our business and delight our customers. As an experienced dotnet developer (minimum … work as part of a focused product team developing our core B2B ordering platform, contributing to sprint velocity, stand-ups, estimations, and retrospectives. You should have strong back-end development skills with a clear understanding of modern dotnet, C#, and Entity Framework. Experience with OAuth2.0 is a plus. You will be involved in all stages of software development … CD pipelines using GitHub and Azure DevOps for continuous integration, testing, and deployment. Collaborate closely with team members. Perform code reviews to ensure standards are met. Troubleshoot errors in development and production environments. Engage with customers/users to understand their challenges. Proactively develop your skills and seek out learning opportunities. Collaborate with other teams to improve understanding of More ❯

role: We are seeking an experienced Senior Full Stack Web Developer to join our dynamic team. As a Senior Developer, you will play a key role in the design, development, and maintenance of our collaborative, real-time platform called OnePlan. This platform provides a comprehensive suite of event planning, visualisation, and management tools, combining the best features canvas and … mapping technology. Key Responsibilities: Develop full‐stack features using Python (Django) and React, building on, maintaining and scaling our frontend and backend applications. API & service development : design, implement, and maintain REST APIs; ensure robust integrations and clear documentation. Test-first development : practise Test Driven Development, and write and maintain BDD test scenarios (using Gherkin syntax) Collaborate … bottlenecks, and help manage technical debt. Your profile: 5+ years in full‐stack software engineering roles with Python & React. Strong knowledge and hands-on Python and Django for REST API development. Strong knowledge and hands-on React development, excellent understanding of Zustand, Vitest, React testing library and Playwright, responsive UI best practices. Experience working with geospatial data and More ❯

with minimal guidance. Works closely with scrum masters, project managers, QA, Creative, and UX team members to ensure compliance with project needs. Your role will be centered on the development and improvement of new and existing features. Additionally, you will be reviewing the code of your peers, advocating for standard development methodologies, and participating in an inclusive, energetic … oversight for less experienced engineers; Stay on top of latest technologies and trends. Using error reports, establish priorities and assign out bugs to relevant team members for resolution. Support development of version control principles (e.g. Git and working within an agile environment), CI/CD pipeline and various automations. (25%) Design, develop and/or review complex code to … solutions meet the requirements of functional and technical specifications. Develop and/or review project technical architecture design and development. Solutions may include but are not limited to the development of various types of applications, web, mobile app, full stack or integrations hosted on premises data centers or in the cloud. Develop automated Unit tests and/or automated More ❯

be successful in this role As a minimum, candidates must have proven technical skills in at least one (ideally several) of the following: • Containerisation/Container Security; • Microservice Architectures; • API Development, REST, Swagger, OpenAPI, gRPC; • Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); • Cloud native Apps, Kubernetes, OpenShift, MicroK8s; • Infrastructure … e.g. Apache Hadoop (CDH), Apache Spark; • RedHat Enterprise Linux, CentOS, Debian or Ubuntu. • Java 8, Spring framework (preferably Spring boot), AMQP - RabbitMQ, • Open source technologies; • Experience of Agile software development (SAFe, Scrum, Kanban, etc) • Experience writing technical documentation such as LLDs, user guides, release notes etc All applicants must hold or be prepared to undergo National Security Vetting (NSV More ❯

the team. Collaborate across teams to improve working practices and skill levels. Carry out all responsibilities in accordance with the Quality Policy and all applicable procedures. Contribute to the development and maintenance of all aspects of the applications and services owned by the team. Qualifications What will make you a successful Principal Software Engineer at Waters: Extensive knowledge and … a software developer, with exposure to back-end technology stacks (C#, .NET). Experience with Front-End JavaScript Frameworks, especially Angular. Good experience working with Amazon Web Services, Microservices, API development. Knowledge and application of software engineering practices (e.g., Unit testing, TDD, CI/CD, SOLID, BDD). Proven ability to work as part of a team. Ability to … analyze and solve problems. Excellent communication and teamwork skills. The following criteria are desirable but not essential, as training will be provided: Experience with Agile software development for iterative product delivery. Experience with continuous delivery pipelines using Spinnaker, Kubernetes, Docker, TerraForm. Experience implementing Data Dog - creating monitors, alerts, dashboards. Experience using GitHub and GitHub Actions. Experience with Behavior Driven More ❯

such as React Js, Angular, jQuery Minimum 5 years of experience working server-side programming languages such as Net, Java, Ruby and Python Minimum 5 years of experience in API development using web services and Service Oriented Architecture (SOA) methodologies. Minimum 5 years of experience in database technology, including SQLServer, Oracle, MongoDB and MySQL and caching mechanisms such … like Redis and Memcached), and application caching Expertise in comprehensive testing lifecycle inclusive of Unit Testing, User Acceptance Testing, Regression Testing, and Defect Remediation. Comfortable with Agile and Waterfall development lifecycles for project deliveries Experience with software development lifecycle methodologies such as Scrum, Kanban, etc. Expertise in secure software development and secure coding practices Ability to translate More ❯

and microservices that communicate through clean interface layers to deliver a stable and agile scheduling platform. You have the flexibility to work on web apps, mobile apps, integrations, and API development. The company utilises Azure and AWS and have multiple production and test environments. We’re very keen on automating infrastructure creation and changes to infrastructure alongside deployments to … experience configuring CI/CD systems. We use Github Actions, TeamCity, Octopus Deploy, and Azure Devops. Any experience of these would be beneficial. Have good knowledge of back-end development architecture, Web Development technologies and SOA or microservices architecture. Demonstrate excellent interpersonal skills, an ability to build effective working relationships with internal teams using collaboration and persuasion skills. More ❯

to back in OTC derivatives. The individual/s must have experience in developing derivatives trading and valuation systems. They will be working as part of the OTC product development team in an agile manner to first prototype then to productionize the various system enhancements working in conjunction with SMEs. Why this role is important to us The team … you will be joining is a part of Charles River Development (or CRD), that became a part of State Street in 2018. CRD helps create enterprise investment management software solutions for large institutions in the areas of institutional investment, wealth management and hedge funds. Together we have created first open front-to-back platform - State Street Alpha, that was … to CRDs business Provide expert guidance and critical analysis of proposed changes during code reviews What we value Experience in back-end technologies: Java, C#, Python, and external facing API development Able to independently design specs Able to work on small to medium projects with little to no supervision and on more complex tasks with no oversight Very More ❯

litigation services. Working in the Data and MI team, we are looking for a mid-level software engineer with good technical skills who has a general understanding of software development principles. The daily tasks would involve enhancing current functionality while also developing fresh features and integrating them with both internal services and external applications. You'll make a major More ❯

the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure to mobile application ecosystems, collaboration across cross-functional teams, and experience in the banking or financial services domain will be strong assets. You’ll work closely with … stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX goals. • Drive integration with API Gateway technologies (e.g., Kong, Apigee, AWS … API Gateway) to enforce access control, rate limiting, and API lifecycle management. • Implement robust authentication and authorization workflows using IDAM platforms such as Ping Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. More ❯

the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure to mobile application ecosystems, collaboration across cross-functional teams, and experience in the banking or financial services domain will be strong assets. You’ll work closely with … stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX goals. • Drive integration with API Gateway technologies (e.g., Kong, Apigee, AWS … API Gateway) to enforce access control, rate limiting, and API lifecycle management. • Implement robust authentication and authorization workflows using IDAM platforms such as Ping Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. More ❯

our Head of Customer Support to build next-generation systems that enable our team to deliver world-class support efficiently and effectively. What Makes This Role Special High-Impact Development : Every system you build directly affects customer satisfaction and business growth. Your technical solutions will be measured by real business outcomes. Cutting-Edge AI Integration : Work at the forefront … engineering challenge of doing more with less. Full Ownership : Take end-to-end ownership of internal platforms, from conception through deployment and ongoing optimization. Core Responsibilities Technical Integration & Platform Development Design and implement robust API integrations between Intercom, internal systems, and third-party platforms Build and maintain our internal web-based admin tools and dashboards Develop scalable, maintainable … streamline complex workflows Research, prototype, and implement emerging technologies that enhance customer experience Develop intelligent routing and escalation systems Create A/B testing frameworks for automation initiatives Backend Development & Analytics Build backend systems that capture and process customer interaction data Develop dashboards and reporting tools that measure system performance and effectiveness Create analytics features that help identify patterns More ❯

You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on your experience and goals. Key … using Java, TypeScript, and React-so flexibility and a passion for learning are key. Benefits: Salary up to £70k depending on experience 25 days' holiday + bank holidays Personal development budget Collaborative, supportive engineering culture Modern stack with evolving tech roadmap Opportunity to lead a small development team What Happens Next? Please either apply online or email me … only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, Secure Coding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯

Software Engineer Contract 12 months initially 2/3 days a week onsite in Wilmslow IR35 Status - TBC Rate - TBC The team you'll join are currently completing the development of the suite of micro-services (e.g. Tenancy Admin, Notifications) written in C# and built on the AWS architecture that will comprise our first Cloud Platform, due live later … Extensive knowledge and proven experience as a software developer, with exposure to elements of our back-end technology stack (C#, .Net) Good experience working with Amazon Web Services, Microservices, API development Knowledge and application of software engineering practices (e.g. Unit testing, TDD, CI/CD, SOLID, BDD etc.) and experience working as part of an agile delivery team. … Continuous delivery, with pipelines implemented in Kubernetes, Docker Front-End JavaScript Frameworks, especially Angular is advantageous Experience implementing and maintaining Datadog Experience using GitHub and GitHub Actions Behaviour Driven Development (BDD), with Gherkin & SpecFlow Atlassian Jira, Confluence & JFrog Artifactory Ideally some software security best practices and implementation (e.g. OWASP, PKI, X509 Certificates, TLS) Software development for regulated environments More ❯

We are seeking a talented Software Engineer to join our dynamic development team. The ideal candidate will possess strong expertise in Core Java 8 , Spring Boot , and Spring Web , along with experience in API development and deployment . You will be responsible for building and maintaining scalable, high-performance applications while leveraging modern CI/CD pipelines. More ❯

new asset management system—and they’re looking to bring experienced Back-End or Full Stack Developers on board to drive this transformation. As a key part of the development team, you’ll be involved in architecting and delivering robust, scalable backend solutions using PHP (Laravel), MySQL, and modern frontend technologies. You’ll be joining a collaborative and agile … environment where autonomy and technical input are both valued and encouraged. What you’ll be working with: PHP (Laravel) and MVC frameworks MySQL Backend API development (REST) HTML, CSS, JavaScript, Bootstrap Vue.js or similar JavaScript frameworks Azure DevOps, CI/CD pipelines Linux-based environments What we’re looking for: 6+ years’ experience in a full stack or … React, Node.js, Angular, or additional modern JS frameworks This is an exciting opportunity to work on a greenfield project with long-term impact, using a modern stack and best development practices. On offer is a salary of £70,000 plus excellent benefits, flexible working, and the chance to be part of something genuinely rewarding. Interested? Apply now or get More ❯

new asset management system—and they’re looking to bring experienced Back-End or Full Stack Developers on board to drive this transformation. As a key part of the development team, you’ll be involved in architecting and delivering robust, scalable backend solutions using PHP (Laravel), MySQL, and modern frontend technologies. You’ll be joining a collaborative and agile … environment where autonomy and technical input are both valued and encouraged. What you’ll be working with: PHP (Laravel) and MVC frameworks MySQL Backend API development (REST) HTML, CSS, JavaScript, Bootstrap Vue.js or similar JavaScript frameworks Azure DevOps, CI/CD pipelines Linux-based environments What we’re looking for: 6+ years’ experience in a full stack or … React, Node.js, Angular, or additional modern JS frameworks This is an exciting opportunity to work on a greenfield project with long-term impact, using a modern stack and best development practices. On offer is a salary of £70,000 plus excellent benefits, flexible working, and the chance to be part of something genuinely rewarding. Interested? Apply now or get More ❯

collaborative environment, this could be the perfect opportunity for you. About the Role: As a Full Stack Engineer, you'll be an integral part of a cross-functional feature development squad, responsible for delivering innovative new features on our flagship platform. You'll apply your polyglot skill-set to contribute across all aspects of the development lifecycle – from … architectural analysis and design, data engineering, and back-end service development, to web-based UI development. You'll collaborate closely with other engineers, product owners, scrum masters, and business stakeholders to ensure a continuous delivery of value. What You'll Do: Collaborate with your development squad to define, elaborate, and refine requirements for new features. Contribute towards sprint … as a full stack engineer. Experience in common web technologies such as React, TypeScript, and JavaScript. Experience developing microservices as part of a full-stack application architecture. Proficiency in API design and development (REST, Swagger, HATEOAS, gRPC). Working knowledge of Microsoft Azure and application workload management. Proficiency in object-oriented development techniques. Understanding of modern data More ❯

automation capabilities that reduce overheads across delivery, product and operations teams Develop robust integrations, custom APIs, and maintain business-critical automated processes Provide strategic guidance, frameworks, and standards for development and automation solutions Stay abreast of emerging technologies and tools, introducing innovations that enhance operational performance Collaborate with stakeholders across all levels, translating technical concepts into business-friendly language … control and CI/CD tools (Git, Azure DevOps, GitHub/GitLab) Skilled in multiple programming languages, ideally including: .Net (C#) PowerShell T-SQL Deep understanding of the software development lifecycle and Agile methodologies Proven experience in DevOps/SRE practices, CI/CD pipelines and Infrastructure as Code (Terraform, Bicep, ARM) Solid understanding of API development More ❯

contribute to the evolution of our core B2B ordering platform and play a key role in the transition to a next-generation digital ordering experience. Reporting to the Software Development Manager, you will help us improve our front-end applications to drive productivity and efficiency within our business, and most importantly, delight our customers. As a highly motivated developer … the digital products team, you will be the front-end expert, vital to sprint velocity, stand-ups, estimations, and retrospectives. You will be critical to all stages of software development, from architecture design and performance evaluation to build and deployment pipeline creation, and application monitoring. Our core stack includes: Backend: C#/.Net/SQL Server/RESTful APIs … Tools: LaunchDarkly, Grafana, GitHub Advanced Security, GitHub Copilot, Pluralsight CI/CD: Azure DevOps, GitHub Actions Infrastructure: Azure, App Service, Cloudflare Frontend: Angular, React, Flutter We use modern software development practices including CI/CD and feature flagging, and are always looking to improve delivery through automation and collaboration. Who we are: apetito is the UK's leading food More ❯

real-time data processing, and integrate cutting-edge cybersecurity tools ( CrowdStrike, Elastic, Windows Defender ). You'll also help shape best practices, guide architectural decisions, and foster a strong development culture within the team. Key responsibilities: Develop & optimize full-stack applications using Supabase (SQL), NextJS, TypeScript, and Python . Build scalable and secure APIs to interact with security tools … system architecture decisions , ensuring scalability and maintainability. Foster a collaborative team environment , helping junior developers grow their expertise. Requirements Required skills & experience: 5+ years of experience in full-stack development , ideally in cybersecurity or security-related applications . Proven experience leading and mentoring junior developers in a team setting. Expertise in TypeScript, NextJS, Python, and Supabase (SQL) . Strong … experience with API development (REST, GraphQL), authentication (OAuth, JWT), and security best practices . Familiarity with SIEMs, EDR solutions, security automation, and large-scale security data processing . Experience working with large-scale databases, query optimization, and performance tuning . Hands-on experience integrating with security tools like CrowdStrike, Elastic, or Windows Defender . Knowledge of cloud platforms More ❯

seeking a Senior Java Developer/Lead who could drive technology transformation in the team. This role involves taking ownership of key projects and components throughout the entire Software Development Life Cycle (SDLC). A primary focus will be on design, development & maintenance of components under Price Master Central systems which would require expertise in Java, Spring, SQL … API development, Kafka, Kubernetes, and Cloud technologies. You will guide & mentor team of engineers, providing technical expertise and direction, and ensure adherence to best practices. A strong understanding of system and enterprise architecture is essential. You will collaborate with global and diverse teams, including Business Analysts, Project Management, Production Support, and Infrastructure. Price Master Central is a global … management application - responsible for sourcing Securities & Pricing data from market vendors and internal Citi sources and providing it to downstream clients after applying client specific rules. Responsibilities : Deliver assigned development projects within agreed schedule, quality and scope expectations Participate in all stages of the SDLC within an agile Scrum environment Form partnership with technology vendors and gain deep understanding More ❯

contribute to the evolution of our core B2B ordering platform and play a key role in the transition to a next-generation digital ordering experience. Reporting to the Software Development Manager you will help us improve our front-end applications to help drive productivity and efficiency within our business, and most importantly delight our customers. As a highly motivated … on Azure. You will be responsible for contributing to sprint velocity, stand up, estimations, and retrospectives. At a wider level, you will be involved in all stages of software development from architecture design, performance evaluation, to build and deployment pipeline creation, and application monitoring. About Our Stack To give you a flavour of some of the things you can … expect to work with, our core stack is outlined below. However, we are constantly learning and, where appropriate, incorporating the latest technologies in our projects. We use modern software development practices including CI/CD and feature flagging, and are always looking to improve delivery of our software through automation, and collaboration with other areas of IT. Backend: C# More ❯