1 to 25 of 108 Permanent JavaScript Jobs in Portsmouth

Product, and Engineering teams to drive innovation Ensure software quality through automated testing and CI/CD best practices Tech Stack: C# .NET Core JavaScript, React, HTML, CSS Typescript Cloud experience with Azure or AWS SQL Server, CosmosDB, Redis CI/CD, TDD, Docker, Kubernetes We are looking for passionate More ❯

motivated self-starter to make a significant impact in a dynamic and fast-paced environment. Responsibilities: Development: Create user-friendly interfaces using HTML, CSS, JavaScript, and TypeScript. Develop and help design scalable and efficient back-end solutions using Python and/or Golang. Implement and maintain CI/CD pipelines More ❯

within the Life Sciences Sector Strong grasp of computer science fundamentals: data structures and algorithms, complexity, object oriented design Mastery of modern web technologies & Javascript is essential: React, CSS, Node, Angular, etc. Proficient in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps More ❯

on line management responsibilities as the role matures, including conducting 1:1s, providing performance feedback and supporting career development. Essential Skills/Experience Strong JavaScript/TypeScript skills, including front-end development with React and back-end experience with Node.js or similar frameworks Working knowledge of Python with a willingness More ❯

design, product, and engineering. Mentor others and foster a culture of continuous improvement and learning. What you will bring: Strong expertise in C#, .NET, JavaScript, and TypeScript. Experience with front-end frameworks (React, Vue.js or Angular preferred). Familiarity with PHP, cloud platforms (AWS/GCP/Azure), Docker/ More ❯

team that values collaboration and constructive feedback. Adaptability: Thrive in a dynamic startup setting focused on innovation and ongoing improvement. Core Requirements: Proficiency in JavaScript and TypeScript. Full Stack experience with React and Postgres. Proven success in building and shipping SaaS products, with an emphasis on frontend, backend, and UX More ❯

in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred). · Strong understanding of layered architecture and best practices More ❯

such as Salesforce , Azure , SharePoint , and Power Platform . Experience working with secure, data-driven applications and distributed systems. Technical Skills Frontend : HTML, CSS, JavaScript (Node.js, browser frameworks) Backend : PHP (Symfony, Smarty), C# (.NET Core), Azure Functions (Node.js/PowerShell), PowerShell Database : MSSQL, PostgreSQL (including JSON), MySQL/MariaDB Integration More ❯

using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in More ❯

mindset and commitment to continuous improvement 🛠 Tech Stack Back end: .NET 8/9, C#, ASP.NET WebAPI, Entity Framework Front end: HTML5/CSS3, JavaScript frameworks (React, Vue.js) Database: SQL Server/SQL Azure 🚀 Why This Opportunity? Innovation-Driven: Tackle diverse projects that push the boundaries of what’s possible More ❯

You'll be joining a high-performing team focused on designing, scaling, and maintaining their growing SaaS platform. 🛠️ What You’ll Be Working With: JavaScript/TypeScript React Node.js (backend services) AWS Serverless – particularly Lambda , API Gateway, DynamoDB, etc. RESTful APIs and cloud-native architectures CI/CD workflows and More ❯

tools and technologies to your repertoire to increase your impact. Set yourself apart: You have good web development skills, experience with HTML5, CSS and JavaScript/Typescript You have proven ability to apply analytical and creative thought and translate into technical solutions You have proven ability in debugging and resolving More ❯

Overview: Security Clearance: Active SC clearance required (no sponsorship) Day Rate: £500–£550 IR35 Status: Outside Location: Fully remote (UK-based only) Tech Stack: JavaScript/TypeScript Node.js/Express React/Angular/Vue AWS/Azure CI/CD pipelines, Docker, Kubernetes Ideal for contractors who: Have active More ❯

experience focused on front-end development using React and TypeScript building robust and scalable solutions at a high level Technical Skills: Proficiency in modern JavaScript (ES6+), React, TypeScript, HTML5, CSS3, and state management libraries (e.g., Redux, Context API). Tools & Frameworks: Experience with build tools and version control systems such More ❯

Computer Science or another related STEM field. 1-3 years experience working in a similar role. Demonstrated experience in a language such as Python, JavaScript, or similar alongside the associated web frameworks for each language. Proficiency in working with third-party APIs, preferably with previous experience working with various ad More ❯

/PaaS enterprise scale. Tech Stack C# .NET, .NET Core SOLID OOP RabbitMQ or other message-oriented middleware Caching, systems integration experience HTML, CSS, JavaScript Azure SQL Benefits Package 7% Annual Bonus Remote working 45 days holiday plus Bank Holidays Yearly L&D Budget specific to you Private Healthcare with More ❯

of experience with a history of hands on development in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication protocols (HTTP, TCP/IP, UDP More ❯

Web IDE, Business Application Studio, and SAP Cloud SDK Solid understanding of cloud computing concepts and architectures Proficiency in programming languages such as Java, JavaScript, and Python Familiarity with RESTful APIs and microservices architecture Knowledge of DevOps practices and tools (e.g., Git, Jenkins, Docker) Strong problem-solving and analytical skills More ❯

a Senior or Lead Developer A strong track record of delivering technically complex projects in collaboration with Product Owners and stakeholders. Solid experience in JavaScript development (Node.js, React/NextJS). Expertise in cloud computing (Google Cloud Platform preferred). Nice-to-Haves Knowledge of event-driven microservices , CI/ More ❯

the following: Extensive experience in Java development, particularly in building scalable and secure web applications. Strong experience with Spring, Hibernate, MySQL, JSP, HTML, CSS, JavaScript, Angular, and TypeScript. Proven ability to work independently, solve complex problems, and take initiative. A strong grasp of secure coding practices and attention to software More ❯

Cloud Consultant. Exposure to AI models within Salesforce or other platforms. Familiarity with AWS services such as Lambda, S3, and API Gateway. Experience using JavaScript frameworks like React for UI components or integrations. Knowledge of Salesforce DevOps tools (e.g., Git, Gearset, Copado, or similar). More ❯

Champion continuous improvement and a culture of experimentation and learning. Requirements 5–6+ years of experience in full-stack development roles. Strong proficiency in JavaScript/TypeScript , React , NestJS , and MongoDB . Solid experience with API integration (GraphQL, REST, OAuth). Familiarity with infrastructure tools like Docker or cloud platforms More ❯

you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with Event-Driven Architecture and microservices patterns Cloud expertise, particularly AWS (EventBridge, DynamoDB, Lambda) Knowledge of security patterns, including More ❯

and optimizing media sites and content for the video gaming and collectables industry. Qualifications Proficiency in relevant programming languages such as Java, Python, or JavaScript Experience with database management and optimisation Strong problem-solving and analytical skills Experience in developing and maintaining media sites and content Knowledge of gaming and More ❯

of experience in Dynamics 365 development. Senior Developer: 5+ years of experience with a strong track record of delivering enterprise solutions. Expertise in C#, JavaScript, .NET, Web APIs, and Azure services. Experience with Power Platform, including Power Automate, Canvas Apps, and Model-Driven Apps. Strong understanding of CRM configuration, security More ❯