ECMAScript Job Vacancies

276 to 300 of 2,570 ECMAScript Jobs

Senior Web Developer with Security Clearance

Fairfax, Virginia, United States
Cohere Technology Group
SSRS Report Designer Knowledge of the Information Technology Infrastructure Library (ITIL) Framework, high availability, and enterprise infrastructure. Programming languages and scripting methods including Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery. Experience creating secure applications systems utilizing IC or DoD security guidelines. Experience utilizing DEVOPs tools such as a version control system (Github preferred, Subversion OK) Software testing, documentation More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Technical Lead with Security Clearance

Stevensville, Maryland, United States
Halcyon Days Consulting, LLC
systems using modern tech stacks such as: -Cloud: AWS, Azure, or other IaaS/PaaS -Containers/CI/CD: Docker, Kubernetes, GitLab CI, Jenkins -Languages: Python, Go, Java, JavaScript, etc. -Deep understanding of secure coding practices, DevSecOps, and infrastructure-as-code -Strong communication skills with the ability to explain complex technical concepts to diverse stakeholders PREFERRED QUALIFICATIONS: -Experience with More ❯
Employment Type: Permanent
Salary: USD 250,000 Annual
Posted:

UI Developer, Macro Front Office Technology

London, United Kingdom
Point72 Asset Management, L.P
in a React-based context A strong attention to detail, and a passion for creating frictionless and aesthetically satisfying user interfaces Exceptional technical foundations in the following programming languages: JavaScript, HTML, CSS, TypeScript Deep understanding of real-time data processing and its integration into third party visualization libraries Deep understanding of the proper use of state management libraries such as More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

React Developer Platform Engineering London

London, United Kingdom
Hybrid / WFH Options
Remarkable Group
and stretch boundaries. Skills and Competencies To have an excellent knowledge of ReactJS Good cross browser testing tools (eg. BrowserStack) Strong background in software development. Excellent knowledge of HTML5, JavaScript, CSS and SASS. Knowledge of state management frameworks (e.g. Redux, Flux, VueX, Realm) Appreciation of React design patterns and understanding of their use Familiarity with Front end unit testing tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

IT Software Development Intern (E-commerce) - Summer 2026

Northfield, Illinois, United States
Medline Industries - Transportation & Operations
Qualifications: Junior standing with a minimum 3.0 GPA preferred Pursuing a degree in Computer Science, Information Technology, or a related technical field Strong passion for UI technologies (HTML, CSS, JavaScript, Angular/React) Interest in automated testing tools including Selenium, Jasmine, and Karma Familiarity with programming/scripting languages such as Java, C etc Proficiency in using cloud platforms such More ❯
Employment Type: Permanent
Salary: USD 3,250 Hourly
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Connexity
Thorough understanding of the software development lifecycle, from conception to deployment. Capable of conceptualizing and implementing software architectures spanning multiple technologies and platforms. Technology stack: Python Flask Java Spring JavaScript BigQuery Redis ElasticSearch Airflow Google Cloud Platform Kubernetes Docker Voted "Best Places to Work," our culture is driven by self-starters, team players, and visionaries. Headquartered in Los Angeles, California More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

VB.NET Backend API Engineer

Memphis, Tennessee, United States
Hybrid / WFH Options
INSPYR Solutions
or related field. 3-5 years of professional software development experience. Hands-on experience with: Back-End: .NET Core, C#, MVC, Microservices, REST APIs, AWS Cloud Front-End: ReactJS, JavaScript, jQuery, AJAX, Bootstrap, CSS Database: SQL Server, SQL Reporting Services Proficiency with Microsoft Visual Studio Code and Visual Studio (2019/2022). Experience with Microsoft Office Suite (including advanced More ❯
Employment Type: Permanent
Salary: USD 40 Hourly
Posted:

Job Description : QA Engineer (manual and automation)

Ashburn, Virginia, United States
Veda Infotech Services, LLC
for test frameworks) Jenkins, Azure DevOps, GitLab CI/CD (for CI/CD integration) SQL (for database testing and validation) Knowledge of programming languages like Java, Python, or JavaScript for test automation scripting. Experience with defect tracking tools like JIRA, Bugzilla, or Mantis. Familiarity with Agile/Scrum development methodologies. Qualifications & Certifications Bachelor s degree in Computer Science, Information More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Sr Software Engineer - Cloud Native, Automation

Northfield, Illinois, United States
Medline Industries - Transportation & Operations
practices. What You Bring: Skills and Expertise 10+ years of experience in Quality Engineering, with deep expertise in test automation. Strong programming skills in Java (Spring Boot stack) and JavaScript/TypeScript (React/Next.js). Experience building automation frameworks using JUnit/TestNG, Cypress, Playwright, Selenium, etc. Proficiency in evaluating and implementing tools for test case management, test execution More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Intermediate TypeScript Engineer

London, United Kingdom
GenTrack
record of successfully contributing to the development and delivery of software applications Proficiency in one or more programming languages commonly used in the tech stack (e.g., TypeScript, Java, Python, JavaScript, C#) Understanding of software architecture, design patterns, and best practices Experience with version control systems (e.g., Git) Working knowledge of Agile Good working knowledge of relevant technologies and concepts including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Lead (DV Security Clearance)

London, United Kingdom
Hybrid / WFH Options
CGI
ability and enthusiasm to learn new technologies quickly. Desirable Skills: • Experience of systems engineering and systems integration. • Experience of contributing to bids/proposals. • Front-end development expertise with JavaScript and the REACT/MaterialUI framework. Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (DevOps) - CLEARANCE and POLYGRAPH REQUIRED with Security Clearance

Annapolis Junction, Maryland, United States
Constellation Technologies Inc
frameworks. Must have meaningful System Administration experience (mostly Windows but also Linux). Must have experience with several of the following: Java, Groovy, Python, PowerShell, Batch, and Bash scripting, JavaScript, AngularJS. Must have experience with IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Must have experience with software source control and configuration management tools. More ❯
Employment Type: Permanent
Salary: USD 235,000 Annual
Posted:

Senior Software Engineer

Leeds, Yorkshire, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
front ends with ReactJS using TypeScript. Front end design patterns. Developing high quality, testable, re-usable and modular code with a range of programming languages, frameworks, and technologies, e.g. JavaScript, TypeScript, React, Jest, Playwright, Java Spring Boot/Quarkus, and Kafka. GIT, source code management and managing concurrent change on a large code base. Automation and CI/CD across More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (m/f/d)

München, Bayern, Germany
Hybrid / WFH Options
Peter Park System GmbH
years of experience but by strive for continuous improvement, direct impact on the business, and ownership. Deep Expertise: You have a deep expertise in one or more languages (Typescript, Javascript, Python, C++) and a proven ability to quickly adapt to new tools and frameworks. Production Powerhouse: Strong track record with real-world production projects handling high throughput. Backend Mastery: Proficient More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Software Development Manager

maidstone, south east england, united kingdom
Hybrid / WFH Options
Technical Placements
and collaborative development workflows. Design Strong skills in C and one or more of the following C++ for low-level programming and/orC#, .NET Frameworkand/orHTML, CSS, JavaScript, and/or frameworks like React or Angular with associated cloud services. Familiarity with microcontroller architectures (e.g., ARM Cortex-M) and hardware interfaces. Knowledge of popular communication technologies such as More ❯
Posted:

Lead Software Engineer - Calypso, Dir.

san francisco, california, united states
FHLBank San Francisco
solutions and development experience of client applications, web services, and web applications. Relational Database Management Systems, such as Oracle, including PL/SQL and expert SQL. Working experience with JavaScript, TypeScript, Angular and Serverless Framework is desirable. Designing, developing, and implementing web services in a Service Oriented Architecture (SOA) Diagnosing and resolving complex issues with banking/capital markets systems. More ❯
Posted:

Principal / Senior Principal Software Engineer

United Kingdom
F. Hoffmann-La Roche AG
Science or a similar technical field, or equivalent practical experience. Significant professional experience in full-stack software engineering, with strong skills in backend (e.g., Python, Java) and frontend (e.g., JavaScript, React) development. Deep experience with modern data engineering, including databases (SQL/NoSQL), data analytics (ETL/ELT), and APIs (REST, GraphQL). Proven experience developing and deploying applications on More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior DevOps Engineer with Security Clearance

Mc Lean, Virginia, United States
Appian Corporation
installation of an Appian environment is a huge plus. Administration of one or more RDMS platforms (e.g. MySql, Oracle, DB2, SQL Server, Postgres, MariaDB) Programming/scripting (e.g. Java, Javascript, BASH, Perl, Ruby, C#, PHP) Basic Qualifications Bachelor's degree in any Engineering discipline, Computer Science, Mathematics, Information Technology, or similar work An Active Government Clearance (Top Secret and above More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Junior to Mid DevOps Engineer with Security Clearance

Mc Lean, Virginia, United States
Pelagic AI
willing to work on-site An Excellent Candidate for this position will meet most of the following experience requirements: • Familiarity with programming languages such as Java, C++, Python, or JavaScript Pelagic AI, LLC 1765 Greensboro Station Place, Tower 1, Suite 900, McLean VA 22102 USA +1 • Basic understanding of software development principles and lifecycle • Security+ or comparable certification for privileged More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer

London, United Kingdom
Bank of America
developers, support, and front-office in the course of service delivery. Required Skills Science/Engineering Degree Experience with C#, .NET core (UI & server), WPF/React/Angular, JavaScript/TypeScript Development and technical guidance experience in complex UI application development with a background in multi-threaded implementation and low-latency messaging Experience with Multi-threading, low latency, high More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
Experis
functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience … Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). More ❯
Employment Type: Contract
Rate: £600 - £650 per day
Posted:

Fullstack Developer

London, United Kingdom
Damia Group Ltd
functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services Build and maintain server-side logic, databases, and APIs using Spring and Java Experience … Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). More ❯
Employment Type: Contract
Rate: £600 - £630 per day
Posted:

Full Stack Developer with Security Clearance

Hampton, Virginia, United States
Restless Software LLC
and is committed to delivering exceptional user experiences. Responsibilities: Design, develop, and maintain full-stack applications using modern web technologies. Implement responsive and user-friendly front-end interfaces using JavaScript frameworks such as React, Angular, or Vue.js. Build and optimize back-end services, APIs, and databases using Node.js, Python, Java, or .NET. Develop and maintain efficient database structures using SQL … experience Relevant Masters/Doctoral Degree: equivalent to 2 years of experience Relevant Certifications: equivalent to 3 months of experience Proficiency in front-end technologies such as HTML, CSS, JavaScript (ES6+), and frameworks like React, Angular, or Vue.js. Strong experience with back-end technologies, including Node.js, Python, Java, or .NET. Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB). More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full Stack Developer (Python, Prestashop, WordPress, PHP)

Tennessee, United States
Novanox PH
high-performing Troubleshoot, debug, and manage code via Git Collaborate with UI/UX teams for responsive design Requirements: Proficiency in Python, Prestashop, WordPress, PHP Knowledge of HTML, CSS, JavaScript (React/Vue.js a plus) Experience with SEO, MySQL/PostgreSQL, and deployment Strong problem-solving and communication skills More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Web Developer Trainee

Ipswich, Suffolk, England, United Kingdom
ITOL Recruit
you will be ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can use it for both small and complex More ❯
Employment Type: Full-Time
Salary: £25,000 - £35,000 per annum
Posted: