151 to 175 of 3,893 ECMAScript Jobs

About the Role: Software Development Manager. (.Net C# React TypeScript JavaScript SQL Server) Our clients are seeking an experienced and dynamic Software Development Manager with expertise in .NET, C#, React, JavaScript, and TypeScript to lead our clients development team. In this role, you will oversee the design, development, and delivery of high-quality software solutions, ensuring alignment with business objectives … project requirements and priorities. Technical Oversight: Drive the technical vision for the team, advocating best practices in software design, development, and testing. Ensure effective utilisation of .NET, C#, React, JavaScript, and TypeScript within projects. Review and approve technical designs, ensuring solutions are scalable, maintainable, and aligned with business goals. Process Improvement & Innovation: Implement agile methodologies and continuous integration/continuous … Technical Expertise: Proven experience in software development with a strong command of .NET and C#. Hands-on experience with front-end frameworks, particularly React, as well as proficiency in JavaScript and TypeScript. A solid understanding of architectural principles, design patterns, and software development best practices. Leadership Experience: Demonstrable experience in managing and mentoring a software development team. Excellent project management More ❯

Job Title: Cloud Engineer Responsibilities: • Design, develop, and maintain scalable software applications using modern programming languages (e.g., Python, Java, C++, JavaScript). • Implement cloud-based solutions using AWS or Azure Cloud Platforms. • Develop and integrate AI/ML models to enhance software capabilities. • Optimize software performance, security, and scalability. • Collaborate with UI/UX designers to create intuitive user interfaces. … degree in Computer Science, Software Engineering, or a related field. • 3+ years of experience in software development and engineering. • Proficiency in one or more modern programming languages (Python, Java, JavaScript, Go, C#). • Experience working with cloud computing (AWS, Azure, GCP). • Strong knowledge of microservices architecture and API development. • Hands-on experience with containerization and orchestration (Docker, Kubernetes). More ❯

support the Drug Enforcement Administration (DEA) by developing secure, high-performance applications and tools that advance mission-critical law enforcement operations. The ideal candidate will have experience with modern JavaScript frameworks, building scalable APIs, and working with both relational and NoSQL databases. The engineer will work closely with mission-driven developers, analysts, customers, and project leadership to deliver innovative solutions … in a secure government environment. Responsibilities: • Design, develop, test, and deploy web applications using modern JavaScript frameworks such as React, Vue, or Angular. • Build and maintain secure RESTful APIs for data integration across DEA systems. • Develop and optimize data models using relational databases (SQL Server, PostgreSQL, MySQL) and NoSQL databases (Elasticsearch, MongoDB, Janus Graph). • Integrate AI/ML models … s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. • 3+ years of experience in full stack software development. • Proficiency with at least one modern JavaScript framework (React, Vue, Angular). • Strong experience developing and integrating RESTful APIs. (React, Vue, Angular). • Experience building applications using OOP languages (Java, Python, C#) • Experience with relational and NoSQL More ❯

engineers and stakeholders to build intuitive, reliable user interfaces – and support backend development where needed. Other key responsibilities include: Building and maintaining high-quality front-end code using modern Javascript/Typescript Working with React, Redux and CSS frameworks such as Bootstrap or Tailwind Collaborating closely with UX designers and interpreting Figma designs Contributing to backend services and APIs (Node.js … too. You’ll be detail-oriented, driven by clean, maintainable code, and passionate about building products that matter. Key skills and experience we’re looking for: Deep experience with Javascript/Typescript Strong knowledge of React & Redux Experience working with Figma designs, UX principles and CSS Familiarity with Tailwind CSS or Bootstrap Comfortable working in Agile environments with a TDD More ❯

well-documented code Assist in investigating and resolving user-reported issues Qualifications: 2+ years' experience in front-end or full-stack development Strong understanding of front-end technologies including JavaScript/TypeScript and React Experience integrating real-time functionality using SignalR Excellent communication and collaboration skills Strong problem-solving mindset and attention to detail Bachelor's degree in Computer Science … Software Engineering, or related field (desirable) Skills Required: Languages: JavaScript/TypeScript Libraries & Frameworks: React, SignalR API Interaction: REST APIs Development Practices: Agile/Scrum Tools: Git, Visual Studio (or any other IDE of your choice), Postman, Jira UX/UI: Responsive design principles, component-based development Desirable Skills: Familiarity with C#/.NET/MVC Exposure to full-stack More ❯

well-documented code Assist in investigating and resolving user-reported issues Qualifications: 2+ years' experience in front-end or full-stack development Strong understanding of front-end technologies including JavaScript/TypeScript and React Experience integrating real-time functionality using SignalR Excellent communication and collaboration skills Strong problem-solving mindset and attention to detail Bachelor's degree in Computer Science … Software Engineering, or related field (desirable) Skills Required: Languages: JavaScript/TypeScript Libraries & Frameworks: React, SignalR API Interaction: REST APIs Development Practices: Agile/Scrum Tools: Git, Visual Studio (or any other IDE of your choice), Postman, Jira UX/UI: Responsive design principles, component-based development Desirable Skills: Familiarity with C#/.NET/MVC Exposure to full-stack More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core, C# PHP, Python, JavaScript SQL dialects: MySQL, MSSQL, PostgreSQL Familiarity with Redis, ElasticSearch, REST APIs Experience with Windows-based development: services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

the full development lifecycle - from gathering requirements and designing solutions to building, testing, and deploying them in Azure. You'll be working primarily with C#, .NET Core, ASP.NET MVC, JavaScript, Angular, and SQL Server to develop and maintain both internal and client-facing applications. Your day-to-day could include writing robust APIs, improving database performance, enhancing user interfaces, or … role offers the variety and challenge you're looking for. As the Software Engineer, you will: Designing and developing full-stack applications using C#, .NET Core, ASP.NET MVC, HTML, JavaScript, JQuery, Angular and SQL Server. Writing clean, efficient and testable code that powers data-driven applications and APIs. Deploying and supporting applications in Microsoft Azure. Creating and optimising SQL Server … and experience relevant to this role: Proven experience developing in .NET/C# and ASP.NET MVC. Strong knowledge of SQL Server, including writing and optimising queries. Experience with modern JavaScript frameworks (ideally Angular) and front-end development. Understanding of RESTful APIs and cloud-based application deployment, particularly in Azure. Familiarity with Azure DevOps and Agile project delivery. Analytical thinking and More ❯

and maintaining robust web applications that support the program's operational and security requirements. This role involves working across both front-end and back-end development, leveraging technologies like JavaScript, HTML/CSS, Angular, React, and backend frameworks such as Node.js, Python, or Java. Developers in this environment must ensure compliance with DoD standards, including security protocols and data handling … technology infrastructure and security clearances beneficial. REQUIREMENTS The primary function will be to have expertise in both front-end and back-end development, including proficiency in languages such as JavaScript, Python, and SQL, as well as experience with frameworks like React and Node.js. They should also possess a strong understanding of secure coding practices, software development life cycle (SDLC). … 1. Design, develop, and maintain web applications using Java and relevant front-end technologies (e.g., HTML, CSS, JavaScript) to support defense-related projects. 2. Integrate applications with existing defense systems and databases to ensure seamless communication and data flow across secure environments. 3. Develop and manage databases, ensuring data integrity, security, and performance optimization to meet contract requirements. 4. Implement More ❯

unable to sponsor a work visa for this role. You must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean … improvements and automation Monitor, debug, and optimize applications in cloud environments (e.g., AWS ) Required Skills & Experience 3–5+ years of professional software engineering experience Strong experience with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services More ❯

program. This role allows you to build robust systems and software utilizing cloud capabilities and gain experience in Agile development. Responsibilities: • Design & Develop: Contribute to software programming initiatives using JavaScript, Java, and/or Python to drive innovation and enhance system capabilities. • Test & Validate: Execute software system validation and testing methods using Junit and Katalon. • Automate & Deploy: Create software solutions … high standards of code quality and project documentation. Qualifications: Basic Requirements: • Bachelor's degree in a relevant discipline with 2-4 years of experience, or equivalent qualifications. • Proficient in JavaScript; additional experience with Java, Python, and/or Bash is desired. • Experience with Linux OS scripting and database integration (relational and NoSQL). • Familiarity with cloud infrastructure platforms (AWS, Azure More ❯

design patterns e.g., Object Oriented Programming. Proficiency in Python and experience with AI/Machine Learning libraries e.g., NLP, Computer Vision. Knowledge of additional programming languages (e.g., Java, C++, JavaScript, Ruby, PHP) and ability to write clean code. Experience with version control systems (e.g., Git) and understanding of branching and merging. Strong analytical and problem-solving skills. Excellent communication and … teamwork abilities. Desirable: Experience with Salesforce Lightning Experience and Lightning Web Components. Knowledge of JavaScript, HTML, CSS, and front-end frameworks (e.g., React, Angular, Vue.js). Familiarity with Agile/Scrum methodologies and tools (e.g., Jira). Strong knowledge of Salesforce platform features (e.g., Apex, Visualforce) and integration patterns (e.g., REST/SOAP APIs). Proficiency in Salesforce data modeling More ❯

CD, Application Resiliency, and Security Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Experience in HTML5/JavaScript frameworks like Angular and related build technologies. Proven knowledge in HTML5, CSS Frameworks, JavaScript, Type Script, jQuery, Bootstrap, Angular JS, Node JS, JSON, Angular 6 or above, Angular CLI Proven More ❯

in shaping the technical direction, improving our product metrics, and ensuring best practices across our web stack. You will report to the Engineering Manager and work primarily on our JavaScript/Typescript stack to expand our e-commerce website, internal websites, RESTful APIs, and subscription services. We do sprints and standups, communicate a lot, support each other, value each other … inquisitive mind and demonstrable examples of implementing proactive solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL More ❯

Azure services and solutions. Proficiency in C#, ASP.NET, MVC, and Web API. Experience with SQL Server and other database technologies. Familiarity with front-end technologies such as HTML, CSS, JavaScript, and frameworks like Angular or React. Knowledge of DevOps practices and tools (CI/CD, Jenkins, Docker, Kubernetes). Excellent problem-solving skills and attention to detail. Strong communication and More ❯

Required Education, Experience, & Skills: Bachelor's Degree or higher in a computer related field 16 years of software design, code and test experience Proficiency with Java and JavaScript to build modern, dynamic user interfaces and backends Ability to innovate, evaluate and research new technologies while staying abreast of industry trends Motivated individual with strong problem-solving abilities The ability to More ❯

Senior Full Stack Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £120,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial role in enabling efficient trade management with institutional counterparties. More ❯

of your degree course or through a placement year in industry. You will follow the firm's career progression programme and will receive industry recognised training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯

related field. 5+ years of professional experience in website development with a focus on front-end and back-end technologies. Strong experience with web development languages like HTML5, CSS3, JavaScript, PHP, and SQL. Experience in integrating third-party APIs and managing website databases. Proficiency in frameworks such as React, Vue.js, or Angular is a plus. Familiarity with website hosting, version More ❯

C# applications. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client offers training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to More ❯