1,626 to 1,650 of 2,653 Permanent ECMAScript Jobs

commitment to quality and performance. Core Technical Skills & Experience Front-End Development Strong proficiency in modern React development (v18+) and TypeScript. Solid foundation in core web fundamentals, including vanilla JavaScript (ES6+), semantic HTML5, and modern CSS. Comfortable using standard React Hooks to manage component logic. Experience building and maintaining modular, reusable UI components. Experience working with data-heavy applications and … using Storybook for developing, visualizing, and testing UI components. Familiarity with in CSS-in-JS solutions (e.g. styled-components) for creating themed and brand-aligned interfaces. Experience with modern JavaScript testing frameworks (e.g. Vitest, Playwright, or Jest). Experience with web application integrations, such as iframe-based architectures using the PostMessage API. Knowledge of internationalization (i18n) and localization (l18n) frameworks More ❯

Requirement: Full Stack Java Developer 2 ) Location: Remote/Onsite (Open) Visa: hashtag# 4/hashtag# reen ard/hashtag itizen hashtag/hashtag roles Skills: Core Java, Spring Boot, RESTful APIs SQL/JDBC Git, Maven/Gradle Angular More ❯

Senior Software Engineer – National Security - SC Clearable - Python - AWS Role: Senior Software Engineer Location: Bristol/Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £55,000 - £70,000 About the Role We’re seeking talented Senior Software Engineers More ❯

Senior Software Engineer – National Security - SC Clearable Role: Senior Software Engineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £55,000 - £70,000 About the Role We’re seeking talented Senior Software Engineers to join Agile More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

for the most talented Software Engineers to join them. £50-70k (depending on experience) Fully remote Benefits package 🌳Key requirements:🌳 · Over 4 years experience working with Java, React, Javascript, Python · Experience using Cloud-based architecture, AWS or Azure · DevOps Automated Tools, Jenkins, Docker, OpenShift or Kubernetes · Experience using SQL, MongoDB or Elasticsearch · Experience using Testing technologies, Cypress, Selenium or More ❯

5+ years of experience in software development required- proficiency in Java 8 or higher and Front-End UI Technologies Experience of working in UI tool sets&programming languages- Core JavaScript, Angular 11 or higher, JavaScript frameworks, CSS, HTML. Experience in Spring Framework and proficiency with Spring Boot. Solid coding and troubleshooting experience on RESTful API. Strong SQL skills to work More ❯

Full Stack Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation is … Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud More ❯

C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get … local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms … of service Flexible working with 2 days work from home per week Apply now to find out more about this C# Developer/Full Stack Engineer (C# .Net Core JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯

members to develop the site concept, interface design, and architecture of the website. Design, develop, troubleshoot, debug, and implement software code (such as HTML, Common Gateway Interface (CGI) and JavaScript programming language) for components of the website. Perform video conversion and editing. More ❯

lifecycle SAP implementations or upgrades 2+ support pack rounds Mentoring junior team members 🌟 Desirable Skills Familiarity with SAP Basis, Security, SAP PI Experience with SAP Workflows Programming knowledge in JavaScript or Groovy Script For immediate consideration please send your latest CV More ❯

systems Leading technical implementations and troubleshooting Ensuring secure, reliable data exchange What we’re looking for: Strong HL7 & DICOM protocol expertise Experience with integration engines (Mirth, HealthShare) Scripting skills (JavaScript, Python) Background in healthcare IT & data security If you thrive in a fast-paced, mission-driven environment and want to make a real impact in healthcare delivery — let’s talk. More ❯

systems Leading technical implementations and troubleshooting Ensuring secure, reliable data exchange What we’re looking for: Strong HL7 & DICOM protocol expertise Experience with integration engines (Mirth, HealthShare) Scripting skills (JavaScript, Python) Background in healthcare IT & data security If you thrive in a fast-paced, mission-driven environment and want to make a real impact in healthcare delivery — let’s talk. More ❯

Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. improving solutions based on real-world usage and feedback. Build and deploy AI-powered workflows Python or JavaScript Knowledge of automation platforms Strong experience with LLMs If you think you meet the above requirements, please apply or email your CV to McGregor Boyall is acting as an Employment More ❯

negotiation and stakeholder engagement skills Collaborative, proactive, and adaptable approach to work Experience in data visualisation and process optimisation Understanding of manufacturing or operational environments Exposure to coding (Python, JavaScript, Apps Script), RPA, AI, and digital tool deployment (desired) This is an exciting opportunity to contribute to the digital evolution of a world-leading aerospace organisation that values innovation and More ❯