Full-stack JavaScript Developer Jobs

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Full-stack Web Developer

We’re looking for a full-stack developer who is a savvy back-end developer and w...

Location

United States

Salary:

Not provided

Zion & Zion

Expiration Date

Until further notice

Requirements

Minimum of 4-8 year’s experience with PHP
PHP-based MVC framework such as Laravel, Drupal, Code Igniter, Symfony, etc
Concrete understanding of OOP and design patterns
Relational database concepts for MySQL or NoSQL
Familiarity with WP theme building
Solid understanding of REST services
Experience working with third-party APIs
Experience developing back-end business logic
Javascript framework such as Vue, React, Angular etc
Front-end framework such as Bootstrap or Foundation

Job Responsibility

Roles and responsibilities will vary project to project
Manage multiple projects simultaneously while keeping them within scope
Ability to define project requirements and scope project timelines
Interact with technical and non-technical team members and clients
Fit into our web development team

Full-Stack Engineer (Data)

We are seeking a motivated and talented Full-Stack Engineer with a strong backgr...

Location

United Kingdom

Salary:

Not provided

Spectrum Life

Expiration Date

Until further notice

Requirements

Proven experience as a Full-Stack Engineer, with a strong portfolio of backend-focused or AI-driven projects
Expert proficiency in TypeScript and Node.js, with a deep understanding of modern JavaScript (ES6+), asynchronous programming patterns, and building scalable backend APIs and services
Extensive, hands-on experience architecting and building solutions on the AWS ecosystem. This includes core serverless services (Lambda, API Gateway, S3, EventBridge), databases (RDS, DynamoDB), security (IAM), and infrastructure as code tools (AWS CDK, CloudFormation, or Terraform)
Strong experience in database design and management, with proficiency in both relational (e.g., PostgreSQL) and NoSQL databases. You should be comfortable with schema design, query optimization, and data modeling
A solid understanding of Generative AI concepts and practical experience working with LLMs
Comfortable with the principles of LLM design, including prompt engineering and an understanding of model evaluation techniques
A solid understanding of the full software development lifecycle, including testing, monitoring, and deployment

Job Responsibility

Architectural Ownership & Design: Lead the technical design and architectural decisions for our core AI product. You will take ownership of the entire LLM lifecycle, from model selection and evaluation to deployment and monitoring, ensuring a clear and scalable design
LLM & Backend Engineering: Develop clean, secure, and performant serverless backend services using AWS Lambda and the wider AWS ecosystem
Design, build, and maintain the scaffolding for invoking Large Language Models (LLMs) via services like AWS Bedrock
Compare and evaluate different LLMs to determine the best fit for our use cases, establishing clear metrics and evaluation frameworks
Implement and manage robust data processing and storage solutions to support our AI features
Infrastructure & Best Practices: Design and deploy cloud infrastructure using modern best practices (e.g., Infrastructure as Code)
Implement comprehensive testing, robust exception handling, and application monitoring to ensure the high availability and reliability of our AI services
Take charge of your local development environment and see features through to production, collaborating with the wider team to ensure seamless product integration
Champion and maintain high standards for code quality, scalability, and maintainability

What we offer

Full time permanent contract
Competitive salary (Dependent on experience)
In-office, remote or hybrid working options
25 days annual leave
24/7 EAP and a wide range of health and wellbeing supports
Extensive list of employee perks and benefits

Fulltime

Full-Stack Engineer

We are seeking a motivated and talented Full-Stack Engineer to help build the fo...

Location

United Kingdom; Ireland

Salary:

Not provided

Spectrum Life

Expiration Date

Until further notice

Requirements

Proven experience as a Full-Stack Engineer, with a strong portfolio of projects
Proficiency in JavaScript and/or TypeScript
Solid experience with React, including creating reusable components, managing application state, and adhering to modern coding practices
Experience building data-rich frontends and working with data visualization libraries
Demonstrable experience in backend development, including designing and building APIs
Hands-on experience with the AWS ecosystem (e.g., Lambda, API Gateway, S3, EventBridge)
Strong knowledge of database design and management, specifically with PostgreSQL
A solid understanding of the full software development lifecycle, including testing, monitoring, and deployment.

Job Responsibility

Architect, build, and deploy a complete solution that includes an event-driven AWS backend, a resilient PostgreSQL database, and a user-facing React application for data visualization
Develop clean, secure, and performant serverless backend services using the AWS ecosystem
Design and implement scalable APIs that will serve as the backbone for our applications
Create and maintain efficient and scalable database schemas in PostgreSQL
Work with our event-driven architecture, ensuring data flows reliably from source to destination
Develop and deploy a responsive and intuitive React application using modern JavaScript/TypeScript and best practices
Build reusable, high-quality components for data dashboards and reporting
Integrate with data visualization libraries (e.g., D3.js, Recharts, Chart.js) to create compelling and easy-to-understand reports
Take charge of your local development environment and see features through to production
Implement comprehensive testing, robust exception handling, and application monitoring to ensure high availability and minimal downtime

What we offer

Full-time permanent contract
Competitive salary (Dependent on experience)
Remote working options
25 days of annual leave
24/7 EAP and a wide range of health and wellbeing supports
Extensive list of employee perks and benefits

Fulltime

Full Stack Javascript Software Engineer

We are seeking a talented Full Stack Software Engineer with expertise in the MER...

Location

United States , Salt Lake City

Salary:

Not provided

Software Technology Group

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field
Expertise in MERN stack or MEAN stack for building scalable full-stack applications
Strong understanding of TypeScript for type-safe JavaScript development
Expertise in building REST APIs and familiarity with GraphQL for modern API design
Comfortable working with microservices architecture and modern design patterns
Experience with modern CI/CD pipelines and deployment automation best practices (GitLab CI, Jenkins, GitHub Actions, etc.)
Familiarity with Git Version Control and Platforms like Github, Gitlab and Bitbucket
Experience with task management, issue tracking, and backlog grooming in Jira or similar tools
Basic cloud knowledge (AWS, Azure, GCP), including core services and application deployment, monitoring, and maintenance
Clear written and verbal communication with technical and non-technical stakeholders

Job Responsibility

Design and develop scalable, high-performance full-stack applications using the MERN (MongoDB, Express, React, Node) or MEAN (MongoDB, Express, Angular, Node) stack
Build and maintain robust REST APIs and work with GraphQL for advanced API design
Architect and implement solutions using modern microservices design patterns
Develop and manage SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases for data-driven applications
Collaborate with cross-functional teams to design and implement features that meet client requirements
Ensure application quality and reliability through comprehensive testing using frameworks like Jest, Jasmine, Mocha, or Cypress
Optimize application performance and scalability in cloud environments like AWS, Azure, or GCP
Participate in code reviews and contribute to a high-quality codebase by adhering to industry standards and best practices

What we offer

Career Development Plans
Certifications
Mentorship Programs
Ongoing training
Work-life balance
Continuous learning
Rewarding excellence

Fulltime

Senior Full-Stack JavaScript Engineer

We are looking for passionate people who enjoy working in a team-oriented enviro...

Location

United States

Salary:

Not provided

SitePen

Expiration Date

Until further notice

Requirements

Senior full stack engineer with at least 10 years of full-time experience
Very experienced in delivering Enterprise Software (SaaS, IaaS, etc.)
Effective communicator with Product and Business teams
Able to provide examples of scalable, performant code
Confident in preferred architectures and tools
Committed to code quality, ownership & accountability
Passionate about the web platform
Interested in learning new technologies, standards, and techniques
Self-disciplined, able to work and communicate effectively in a fully remote environment
Able to lead and delegate when needed

Job Responsibility

Write new web applications for our customers
Provide upgrades and fixes to our customers' existing apps
Provide technical assistance and support for our customers' development teams
Participate in coaching, training, and leveling up other developers
Contribute patches and enhancements to many open source projects
Enjoy a refreshing work-life balance

Fulltime

Full-Stack Software Developer

SEQTEK is looking for software developers that are interested in advancing their...

Location

United States , Tulsa

Salary:

Not provided

SEQTEK

Expiration Date

Until further notice

Requirements

Professional experience in software development
In depth documentation experience with complex projects
Proven ability to learn new skills and demonstrate curiosity
Excellent communication skills
Strategic thinking, problem-solving, and decision-making capabilities
Strong desire to grow with the company and deliver valuable results

Job Responsibility

Develop and deploy software solutions for image labeling, data analytics, data organization, and machine learning pipelines

Senior Full-Stack Engineer

Join us at Provectus as part of a team dedicated to building cutting-edge techno...

Location

Yerevan

Salary:

Not provided

Provectus

Expiration Date

Until further notice

Requirements

Strong TypeScript knowledge (interfaces, generics, unions, utility types, strict mode)
React with hooks and modern state management (React Query, Zustand, etc.)
Experience with UI libraries (Chakra UI, shadcn/ui, etc.)
Backend experience with Nest.js or Node.js with Typescript (Express/Fastify)
Solid testing practice — confident with unit and integration testing (Jest, Vitest)
Experience with ORMs (Prisma, TypeORM, Sequelize, etc) and raw SQL
Familiarity with AWS fundamentals — S3, Lambda, ECS
Beyond AWS fundamentals: RDS/Aurora, DynamoDB, SQS, Cognito
Basic understanding of CI/CD pipelines (GitHub Actions, GitLab CI)
Active use of AI tools (Cursor, Copilot, Claude Code, Gemini Code Assist)

Job Responsibility

Write well-designed, testable, efficient code by using best software development practices
Work closely, collaboratively, and creatively with product owners to build a user experience to support the business users' needs
Work well in a team environment of 4 - 5 developers, but taking individual ownership of deliverables and ensuring quality through comprehensive unit tests
Code optimization and performance with best practices in Javascript
Create a user interface by using standard HTML/CSS practices
Gather and refine specifications and requirements based on technical needs
Ensure cross-browser capability of code and HTML markup
Create and maintain software documentation
Stay tuned with the recent Web technologies

Full-Stack .Net Developer

This position is to primarily develop and support the Enterprise PennWATCH websi...

Location

United States , Dauphin County

Salary:

Not provided

Ocean Blue Solutions

Expiration Date

Until further notice

Requirements

Proficient in C# and .NET Core, with experience building scalable and secure web applications
Strong understanding of ASP.NET MVC framework, including routing, controllers, views, and model binding
Experience with Entity Framework Core for data access and ORM mapping
Solid knowledge of RESTful API design and integration using Web API
Experience with SQL Server, Oracle Database and writing complex queries, stored procedures, and database design principles
Familiarity with JavaScript, HTML5, CSS3, and front-end frameworks (e.g., Bootstrap, jQuery)

Job Responsibility

Primarily develop and support the Enterprise PennWATCH website and replacement of the legacy SAP BusinessObjects (BOBJ) implementations at the Office of Administration
Build both the front-end and back-end of the application, ensuring it is user-friendly, secure, and scalable
Tasks include creating the user interface, developing server-side logic and APIs, integrating with databases and third-party systems, and supporting deployment activities
Participate in testing, debugging, and documenting the application throughout the development lifecycle
Work closely with project stakeholders, project managers, and other technical team members to ensure the application meets business needs and technical standards
Deliverables include a fully functional application, technical and user documentation, and ongoing support after deployment to address issues, and implement enhancements as needed
Work will follow an agile methodology, with regular check-ins and progress updates

Full-stack JavaScript Developer

Gitmax

Location:
Cyprus

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
April 06, 2025

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Gitmax

Location:Cyprus

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:April 06, 2025

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