1 to 25 of 2,667 ECMAScript Jobs

Full Stack Software Engineer

Hiring Organisation
L3Harris Technologies
Location
Tewkesbury, Gloucestershire, UK
Employment Type
Full-time
/CD pipelines; Experience with Artifactory (JFrog); Experience in C++, preferably embedded C++, or willing to learn; Experience of other languages such as C, JavaScript, Python, Rust, etc; Experience with Linux development environments; Experience architecting software systems that interface with hardware; Experience with DevOps tools and practices (e.g. containerisation/ ...

Senior Software Engineer

Hiring Organisation
Quest Software Canada Inc
Location
Cork, Ireland
Employment Type
Permanent
Salary
EUR 70,000 - 90,000 Annual
code (Terraform, ARM templates) Experience with microservices architecture Exposure to Agile/Scrum methodologies Experience with front end technologies such as HTML, CSS, JavaScript, and frameworks like Angular or React Is self motivated, requiring minimal supervision Company Overview Quest Software builds the foundation for enterprise AI with solutions in data ...

Full Stack Engineer

Hiring Organisation
The Opportunity Hub UK
Location
London, UK
Employment Type
Full-time
environments where agility and ownership are essential Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus ...

Software Engineer (SC or DV)

Hiring Organisation
Areti Group | B CorpTM
Location
Slough, Berkshire, UK
Employment Type
Full-time
methodologies Your Profile Experience: From 1 year in software development to Principal-level leadership Proficiency in one or more languages: C++, C#, Python, Java, JavaScript, TypeScript Familiarity with frameworks like .NET, Node.js, React, Angular, Spring Boot, Django Knowledge of cloud platforms (AWS, Azure, GCP) and DevOps tools (Docker, Kubernetes ...

Full Stack Software Engineer

Hiring Organisation
CompuStaff
Location
Galway, Galway County, Republic of Ireland
Employment Type
Permanent
code reviews, and a sensible daytime on-call rota. What we’re looking for 5+ years’ experience in full-stack development. Strong TypeScript/JavaScript (ES6+), HTML, CSS ; solid React/Next.js and Node.js . Backend experience with NET/C# . Cloud experience with Azure (Functions, Service Bus, Cosmos ...

Java Full Stack Engineer (SC Cleared/Eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
teams to deliver scalable, secure, and user-focused solutions. Key Responsibilities Develop microservices using Java (Spring Boot). Build responsive front-end applications using JavaScript/TypeScript, React, HTML, and CSS. Use Git-based version control and CI/CD pipelines (GitHub, GitLab, Jenkins). Containerize applications using Docker ...

Application Solution Architect

Hiring Organisation
McGregor Boyall
Location
Warrington, Cheshire, UK
Employment Type
Full-time
technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/KYC, GDPR). Ability ...

Application Solution Architect

Hiring Organisation
McGregor Boyall
Location
Birkenhead, Merseyside, UK
Employment Type
Full-time
technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/KYC, GDPR). Ability ...

Application Solution Architect

Hiring Organisation
McGregor Boyall Associates Limited
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Contract
technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/KYC, GDPR). Ability ...

Senior Java Developer - AI Project

Hiring Organisation
Connexa
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
used across government departments What we're looking for: * Minimum 7 years' experience in Java Development * Strong experience with both front-end (React/JavaScript/TypeScript) and back-end (Java, Spring Boot) technologies * Proven experience designing, building and testing end-to-end web applications * Strong understanding of relational databases ...

Node Developer

Hiring Organisation
hackajob
Location
London, England, United Kingdom
Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

Software Developer

Hiring Organisation
Primenode Ltd
Location
SP1, Salisbury, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £55000/annum
equivalent) in Computer Science, Software Engineering, or related field. Minimum 2–3 years professional software development experience. Strong programming skills in Java, Python, C#, JavaScript, or PHP. Experience with frameworks such as React, Angular, Node.js, Django, or .NET. Understanding of databases such as MySQL, PostgreSQL, or MongoDB. Familiarity with RESTful ...

Full Stack Developer (DTC1JP) Tampa or Coppell, TX

Hiring Organisation
jobs
Location
Tampa, Florida, United States
Employment Type
Any
Salary
USD Annual
/UX (Angular or equivalent) SCM/DevOps/CI/CD tools & process (GIT/Bitbucket, Maven, Ant, Jenkins, Sonar) Web Technologies (JavaScript, HTML 5, CSS, JSON, REST, SOAP) Testing tools & frameworks (Jasmin/Karma, JUnit, Selenium, Cucumber, Mockito) Experience with Integration patterns and messaging technologies (MQ, Solace, Kafka ...

Software Engineer - AI Innovation

Hiring Organisation
Connexa
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
across government departments What we're looking for: Minimum 4 years' experience in full stack development Strong experience with both front-end (React/JavaScript/TypeScript) and back-end (Java, Spring Boot) technologies Proven experience designing, building and testing end-to-end web applications Strong understanding of relational databases ...

Senior Software Engineer

Hiring Organisation
WRK DIGITAL LTD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
technology and continuous learning Strong software engineering background with ideally 3+ years' experience building and maintaining production systems Strong hands-on experience with modern JavaScript/TypeScript frameworks, especially Next.js, React, and React Native (other languages like Python/C#/PHP are a bonus) Excellent communication skills and emotional ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams in an Agile Environment Experience using C#/ASP.NET (Core & Framework) Modern JavaScript Frameworks such as Angular (v8+) Solid understanding of relational databases - MySQL is preferred. Expertise in version control systems such as Git Implementing testing strategies (Unite, Integration ...

Senior Software Engineer (Golang + Remote)

Hiring Organisation
IntaPeople
Location
Cardiff, Butetown Community, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
/Senior Engineer Strong experience with technologies Golang Good experiene with TypeScript or Java would also be beneficial but not essential Experience with both JavaScript and frameworks such as React and Express.js (or similar) Strong experience using HTML & CSS Experience with cloud platform providers such as AWS, Azure ...

software engineer

Hiring Organisation
Natural Resourcing Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £700 per day
testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSCs 14 cloud security principles. SC Clearance: my client works with ...

Back End Developer, Go focused, Product Engineer | B2C AI + Computer Vision Platform | Up to £110k + Equity | London, Hybrid Flex

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
London, UK
Employment Type
Full-time
Vue.js Experience building SDKs, libraries, or developer tools Strong understanding of system design for data-intensive or real-time applications Deep knowledge of JavaScript/TypeScript, HTML, CSS, and modern frontend architecture Familiar with modern build tools (Webpack, Vite, Babel) Experience deploying to cloud environments (GCP, AWS or Azure) Strong ...

Back End Developer, Go focused, Product Engineer | B2C AI + Computer Vision Platform | Up to £110k + Equity | London, Hybrid Flex

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
Back, Eilean Siar, UK
Employment Type
Full-time
Vue.js Experience building SDKs, libraries, or developer tools Strong understanding of system design for data-intensive or real-time applications Deep knowledge of JavaScript/TypeScript, HTML, CSS, and modern frontend architecture Familiar with modern build tools (Webpack, Vite, Babel) Experience deploying to cloud environments (GCP, AWS or Azure) Strong ...

Full Stack Java Developer Urgent

Hiring Organisation
Morson Edge
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £110,000 per annum
alongside the capability to estimate, plan and track work effectively. Candidates should demonstrate strong client-side development experience with HTML5, CSS3, Sass/Less, JavaScript (ES9/2018), TypeScript, RESTful APIs, React and Webpack, as well as mature server-side coding skills using Java 11+ and SQL (DB2, SQL Server ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
ESRI Pipelines/Data Interoperability. Strong programming skills in Python (including ArcPy and data science libraries), with additional experience in .NET, Java or modern JavaScript libraries. Experience with Web GIS development, including React and integration with Enterprise/PostgreSQL backends. Experience with Enterprise Geodatabases, databases and SQL for handling large ...

Principal / Associate Geospatial Developer

Hiring Organisation
Tetra Tech
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
ESRI Pipelines/Data Interoperability. Strong programming skills in Python (including ArcPy and data science libraries), with additional experience in .NET, Java or modern JavaScript libraries. Experience with Web GIS development, including React and integration with Enterprise/PostgreSQL backends. Experience with Enterprise Geodatabases, databases and SQL for handling large ...

Senior Developer

Hiring Organisation
BDO UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
delivering digital products (web apps and services) to market using agile methodologies. Strong proficiency in C#, .NET, React and Azure. Other development skillsets: JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, Azure Service Bus), ARM/Bicep templates, SharePoint. Demonstrable creative flair ...