Full-stack Architect (Node.js + React.js)

Trinetix·Remote(Poland)
Other

WFA Digital Insight

The demand for skilled Full-stack Architects has surged in recent years, with a significant 25% increase in job postings in 2025 alone. As companies accelerate their digital transformation, professionals with expertise in Node.js, React, and cloud infrastructure are in high demand. Trinetix, a leading tech service provider, is now seeking a highly skilled Full-stack Architect to drive the architecture of scalable web applications for a US-based client. With a strong focus on innovation and career growth, this role offers a unique opportunity for professionals to make a significant impact in the industry. Before applying, candidates should be aware of the company's commitment to continuous learning and its inclusive, supportive culture.

Job Description

About the Role

As a Full-stack Architect at Trinetix, you will be responsible for designing and driving the architecture of scalable web applications for a US-based client in the consulting and financial domains. Your primary focus will be on optimizing business processes, improving system efficiency, and enabling seamless user experiences. You will work closely with development teams and stakeholders to define technical strategy, ensure high-quality system design, and guide implementation across both frontend and backend layers.

The role requires a deep understanding of frontend and backend architecture principles, as well as hands-on experience with Node.js, React, and PostgreSQL. You will be expected to make key decisions on application architecture, scalability, and performance optimization, and to collaborate with cross-functional teams to align technical solutions with business goals.

What You Will Do

  • Design and define end-to-end architecture for full-stack applications using Node.js and React
  • Establish and enforce best practices in system design, code quality, and development workflows
  • Make key decisions on application architecture, scalability, and performance optimization
  • Architect and oversee backend services, APIs, and integrations
  • Guide frontend architecture, including component structure, state management, and performance
  • Design and optimize database solutions using PostgreSQL and related technologies
  • Define and implement cloud architecture using AWS services (EC2, S3, Lambda, RDS, etc.)
  • Collaborate with cross-functional teams to align technical solutions with business goals
  • Provide technical leadership and mentorship to developers
  • Participate in code reviews and ensure adherence to architectural standards

What We Are Looking For

  • At least 3 years of experience in a Software Architect or Technical Lead role
  • Prior hands-on experience as a Full-Stack Developer (Node.js + React)
  • Strong expertise in JavaScript/TypeScript, Node.js, and React
  • Proven experience designing scalable, high-performance web applications
  • Strong understanding of RESTful APIs, microservices, and system integration patterns
  • Hands-on experience with PostgreSQL or other relational databases
  • Experience with AWS cloud infrastructure and architecture design
  • Deep understanding of frontend and backend architecture principles
  • Proficiency with Git and modern development workflows
  • Strong problem-solving and decision-making skills
  • Upper-Intermediate or higher level of English

Nice to Have

  • Experience with containerization using Docker
  • Knowledge of security best practices and compliance regulations
  • Familiarity with Agile development methodologies

Benefits and Perks

  • Continuous learning and career growth opportunities
  • Professional training and English/Spanish language classes
  • Comprehensive medical insurance
  • Mental health support
  • Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more
  • Flexible working hours
  • Inclusive and supportive culture
  • Opportunity to work with a leading tech service provider
  • Collaborative and dynamic work environment

How to Stand Out

  • Ensure your portfolio showcases your expertise in Node.js, React, and cloud infrastructure, and be prepared to discuss your approach to designing scalable web applications.
  • Familiarize yourself with Trinetix's company culture and values to demonstrate your enthusiasm for the role and the company.
  • Highlight your experience with PostgreSQL and other relational databases, and be prepared to discuss your approach to database optimization.
  • Research the company's clients and the industries they operate in to demonstrate your understanding of the company's business goals.
  • Prepare to discuss your experience with AWS services and your approach to implementing cloud architecture.
  • Be prepared to provide specific examples of your technical leadership and mentorship experience, and to discuss your approach to code reviews and ensuring adherence to architectural standards.
  • Research the current market salary range for Full-stack Architects in Poland to ensure you are prepared for salary negotiations.

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