Full-stack Architect, Node.js, React.js

Trinetix

Full-Stack Architect designing scalable web applications for a US-based consulting client. Collaborating with teams and implementing architecture using Node.js and React.

Posted 4/24/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudEC2JavaScriptMicroservicesNode.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

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.
Continuously evaluate and introduce improvements to system performance, reliability, and maintainability.
Stay up-to-date with modern technologies and drive innovation within the team.

Requirements

What you’ll need

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.

Benefits

Comp & 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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsReactJavaScriptTypeScriptPostgreSQLRESTful APIsmicroservicescloud architectureGitsystem design

Soft Skills

technical leadershipmentorshipproblem-solvingdecision-makingcollaborationcommunicationinnovationcode reviewperformance optimizationworkflow management