Senior Full Stack (Node.js + React.js) Developer Job at Peiko

Senior Full-Stack Developer (Back-End Focus)

We’re looking for a talented and driven Full-Stack Developer to join our dynamic...

Location

Salary:

Not provided

gamdom

Expiration Date

Until further notice

Requirements

Proven experience as a Full-Stack Developer with a backend focus
Strong expertise in: React.js for scalable UI development
Node.js & Express for backend services
PostgreSQL for relational database design and management
MUI for consistent UI/UX design
WebSockets (socket.io) for real-time communication
Strong problem-solving and analytical skills
Ability to work in a fast-paced, collaborative environment
Excellent communication skills (verbal & written)
Adaptability and eagerness to learn new technologies

Job Responsibility

Frontend Development: Build and maintain user interfaces with React.js and MUI for responsive, consistent design
Backend Logic: Develop robust server-side functionality with Node.js and Express
Database Management: Design and optimize schemas and queries using PostgreSQL
Real-Time Features: Implement live updates and streaming with WebSockets (socket.io)
Collaboration: Work closely with product managers, designers, and other engineers to deliver high-quality features
Quality & Performance: Troubleshoot issues, write unit/integration tests, and optimize performance for scalability
Continuous Learning: Stay up-to-date with modern tools, frameworks, and best practices

What we offer

Fully remote - work from anywhere in the world
Flexible schedule
30 days of paid time off
Equipment allowance

Fulltime

Freelance Senior Full Stack Developer

We are looking for a Senior Full Stack Developer to join our team and contribute...

Location

Spain , Barcelona

Salary:

Not provided

Blu Selection

Expiration Date

Until further notice

Requirements

5+ years of experience as a Full Stack or Front-End Engineer
Strong hands-on experience with React.js and Next.js
Advanced knowledge of JavaScript and TypeScript
Experience building and consuming REST APIs
Good understanding of backend technologies (Node.js required
Python/FastAPI is a plus)
Experience with component libraries, design systems, or shared UI components
Familiarity with modern testing frameworks (Jest, Testing Library)
Good understanding of performance, security, and scalability principles
Comfortable working in cross-functional agile teams

Job Responsibility

Develop and maintain complex, data-heavy user interfaces using React and Next.js
Build and optimise reusable components and contribute to the internal UI library
Design and integrate REST APIs and WebSocket endpoints
Ensure code quality through clean architecture and best practices
Write unit and integration tests (Jest / Testing Library)
Collaborate with Product, UX, and Data to deliver features end-to-end
Participate in architecture discussions and decision-making
Troubleshoot and resolve issues across the stack
Contribute to CI/CD processes and development workflow improvements
Maintain documentation on Confluence

What we offer

Fixed daily rate: €525/day
3-month contract, renewable depending on performance and roadmap

Fulltime

Senior Full Stack Software Engineer

We are looking for a senior full stack software engineer who will own the design...

Location

United States , San Jose

Salary:

133500.00 - 307000.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Experience in NodeJS and Java based web development
experience in React, JavaScript and REST API
recent experience with developing web applications for cloud deployments
proven track record of developing database applications using SQL and NoSQL
ownership, problem-solving skills and tremendous self-drive
strong written and verbal communication skills
fundamental knowledge in networking concepts
4 - 6 years of work experience
Bachelor's degree in Computer Science or Computer Information Systems/Applications

Job Responsibility

Develop and support scalable and reliable new features for Orchestrator/EdgeConnect applications
design and implement rich and intuitive configurations and monitoring user interfaces in React.js
design and develop REST APIs using Node.js /Java Jetty
implement highly unit testable code structures as well as test cases using Mocha

What we offer

Health & Wellbeing benefits that support physical, financial and emotional wellbeing
personal & professional development programs
diversity, inclusion & belonging initiatives

Fulltime

Senior Full-Stack Developer

Location

Vietnam , Ho Chi Minh City

Salary:

Not provided

Relia Software

Expiration Date

Until further notice

Requirements

4+ years in full-stack development
Proficiency in JavaScript, TypeScript, Next.js, and other front-end frameworks
Strong backend skills with Node.js, Express, Nest.js, or similar technologies
Experience with databases like PostgreSQL or MongoDB
Knowledge of server-side CSS, responsive and adaptive design
Bachelor's degree in Computer Science, Software Engineering, or related field
Effective communication skills in English

Job Responsibility

Analyze requirements, design solutions, and document technical details
Improve and maintain current features
Develop new features based on product specifications
Enhance system infrastructure to boost performance and productivity
Monitor and optimize front-end performance
Mentor junior developers to support their growth and skill development

Senior Software Engineer

Are you passionate about building scalable, high-performance web and mobile appl...

Location

India , Bengaluru

Salary:

Not provided

7EDGE

Expiration Date

Until further notice

Requirements

B.E./B.Tech in Computer Science, Information Technology, or a related field from a recognized university
5–7 years of professional experience in end-to-end full-stack development using MERN technologies
Proficiency in JavaScript, TypeScript, Node.js, Express.js, and React.js/Next.js
Strong understanding of MVC architecture, RESTful API design, and database schema modeling
Experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases
Hands-on experience with Git-based workflows (GitHub, GitLab, or Bitbucket)
Strong understanding of CI/CD pipelines, Docker, and cloud deployment processes
Proficient in writing and maintaining unit tests and integration tests using Jest, React Testing Library, or Supertest
Demonstrated ability to debug complex systems and optimize performance across the stack
Excellent problem-solving, communication, and collaboration skills

Job Responsibility

Design and develop scalable, end-to-end features across the stack using React.js, Next.js, React Native, Node.js, Express, and TypeScript
Build and maintain RESTful APIs and backend services using the Serverless Framework, microservices, and event-driven architecture
Integrate and manage AWS services such as Lambda, S3, API Gateway, DynamoDB, and Aurora for backend functionality
Ensure code quality through unit testing, integration testing, and code reviews, maintaining best practices for scalability and maintainability
Optimize frontend and backend performance, ensuring fast, responsive, and reliable applications
Collaborate with cross-functional teams — including UX/UI Designers, Agile Business Analysts, SETs, and DevOps — to deliver seamless user experiences
Lead technical discussions, provide mentorship to Level I and Level II developers, and contribute to team knowledge-sharing sessions
Identify and resolve complex technical challenges, ensuring robust and secure solutions
Stay updated with emerging technologies and recommend improvements for system efficiency and workflows
Maintain clear documentation and actively contribute to technical design and architectural discussions

What we offer

Personalized learning opportunities to enhance your career
Competitive salary structure aligned with industry standards
Comprehensive health insurance and wellness programs
A collaborative and innovative work environment where your ideas are valued
Regular team-building events, company outings, and engaging workplace activities
A culture of appreciation with Peer and Spot Recognition programs to celebrate your contributions

Fulltime

Senior Full Stack Engineer

We're seeking a Senior Full Stack Engineer to join our technology team and help ...

Location

Ukraine , Kyiv

Salary:

Not provided

Softermii

Expiration Date

Until further notice

Requirements

5+ years of professional software development experience
Strong expertise in React.js ecosystem and Typescript
Proficient in Node.js for backend development
Experience with relational databases
Experience with API design and development
Solid understanding of front-end technologies (HTML5, CSS3, JavaScript)
Proficiency with Git and CI/CD pipelines
Experience with cloud infrastructure (AWS)

Job Responsibility

Design, develop, and maintain full-stack web applications using React on the frontend and Node.js on the backend
Build and optimize relational database schemas and queries
Create responsive and intuitive user interfaces for internal tools and client-facing applications
Implement RESTful APIs and microservices architecture
Lead technical planning and architecture decisions for new features and systems
Collaborate with product managers, data engineers, and data scientists to translate requirements into technical solutions
Conduct code reviews to ensure high-quality standards

What we offer

Individual development plan
Mentoring from seniors and leaders
Referral bonus
21 paid vacation days
11 paid days off for Public Holidays
5 paid sick leave days per year
Flexible working day
Stable and highly-functioning processes
Independence to make decisions
Team of like-minded experts

Fulltime

New

Senior Full Stack Software Engineer, Valuation Advisory (Backend-Leaning)

We are seeking an experienced Senior Full Stack Software Engineer to join our te...

Location

China , Hong Kong

Salary:

Not provided

JLL

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science or related field with at least 3 years of professional full stack development experience
Proficiency in Backend: C#, Python, Node.js
Proficiency in Frontend: React.js, JavaScript
Hands-on experience with CI/CD pipelines and tools
Practical knowledge of Microsoft Azure services and deployment
Experience working with Jira or similar Agile project management tools
Strong problem-solving skills and ability to debug complex systems
Experience with RESTful APIs and database design
Familiarity with version control (e.g., Git)

Job Responsibility

Develop and maintain backend services using C#, Node.js and Python
Build responsive user interfaces with React.js and JavaScript
Design, implement and maintain CI/CD pipelines for automated deployments
Deploy and manage applications on Microsoft Azure cloud platform
Manage tasks, user stories, and sprints using Jira or similar Agile tools
Analyse, debug, and optimize code for performance and scalability
Collaborate with team members to design and implement new features
Troubleshoot and resolve technical issues across the stack

Fulltime

Senior Full Stack Software Developer

At HUBBLR you get to own the end-to-end delivery of innovative software products...

Location

Germany , Hamburg

Salary:

Not provided

HUBBLR GmbH

Expiration Date

Until further notice

Requirements

Experience in modern backend technologies - i.e. Golang, Node.js. (esp. nestjs)
Familiarity with agile software developing methods
Familiarity in responsible coding with LLM based assistants - i.e. Claude Code, Gemini Code, etc.
Experience in common API techniques - HTTP, GraphQL, GRPC - at least 1 of them
Communication skills for constructive team feedback and client calls
Analytical thinking & MVP mindset
Fluent in English
Minimum 4 years of experience
Ability to work independently on tasks
Experience in modern web technologies - Vue.js, React.js, Flutter or similar framework

Job Responsibility

Supporting us in new and long-term projects as a (senior) software engineer
Joining a growing team of 9, located in Münster, Hamburg, Mannheim and Valencia
Working mainly on client-projects and sharing your experience with team members
Taking end to end ownership in a delivery cycle with highly autonomous decision making
Actively participating in architectural and technological decisions for software projects
Taking over own responsibilities in projects, estimate developing tasks on your own and giving other coworkers advice on their work
Reviewing code from other coworkers and actively be part of continuous improvement
When working on client-projects you will be partly responsible of communicating with their CTO / Stakeholder, joining conference calls/meetings on status update, time estimation and project management

Fulltime

Senior Full Stack (Node.js + React.js) Developer

Peiko

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 11, 2025

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