Senior React Engineer

Altexsoft; Poland; Remote; PLN 167,400 - 279,000; Full time

Benefits offered by this job

Reimbursement of medical expenses

Online morning exercise

Compensation for trainings

Free access to knowledge base

Mentorship programs

Recognition program with gifts

Job summary

Altexsoft is seeking a Senior React Engineer in Poland to join their Engineering Team. This role involves contributing to a modern SaaS cloud platform for the airline and travel industry, working closely with international teams to build product capabilities. Candidates should have over 5 years of JavaScript experience, particularly with React.js, and be skilled in performance optimization and REST API integration. The position supports remote work and offers a variety of health and development benefits.

Qualifications

• 5+ years in JavaScript, including 4+ years with React.js in production.
• Strong knowledge of performance optimization and debugging.
• Experience with modern tooling and testing frameworks.

Responsibilities

• Design, develop, and maintain modern React-based frontend solutions for a SaaS travel platform.
• Deliver new product features focusing on scalability and usability.
• Lead frontend performance optimization initiatives across applications.

Skills

JavaScript (ES6+)

React.js

TypeScript

Redux

Performance Optimization

Agile/Scrum

SQL/NoSQL

Tools

Jest

Docker

AWS

Job description

We are looking for a Senior React Engineer with strong frontend expertise and solid knowledge of the travel domain to join our Engineering Team. In this role, you will contribute to a modern SaaS cloud platform serving the airline and travel industry, building new product capabilities while improving scalability, performance, and overall user experience.

You will work closely with cross‑functional international teams, collaborating with engineers, architects, and stakeholders to deliver high‑quality solutions aligned with modern travel distribution standards. We are looking for someone who combines deep React expertise with strong ownership, technical leadership, and the ability to understand business needs in a fast‑paced product environment.

A fast‑growing SaaS and cloud technology company focused on the airline and travel industry. The organization delivers solutions that enable airlines and travel agencies to distribute and retail travel products in line with modern industry standards, including New Distribution Capability (NDC).

Its solutions are designed to support modern airline retailing concepts and improve efficiency by reducing reliance on legacy systems. The organization is aligned with key industry frameworks and standards in airline distribution and order management.

You Have

• 5+ years in JavaScript, including 4+ years with React.js in production
• Strong in JavaScript (ES6+) and TypeScript, deep understanding of React (hooks, lifecycle, performance, architecture)
• Experience with state management (Redux, Context, Zustand or similar)
• Proven experience building high‑performance, responsive web apps and integrating with REST APIs
• Strong skills in performance optimization, debugging, and troubleshooting
• Experience with modern tooling (npm, yarn, bundlers) and testing frameworks (Jest, RTL, etc.)
• Good understanding of frontend best practices (code quality, security, documentation)
• Experience with SQL/NoSQL integration and understanding of scalable systems
• Experience in Agile/Scrum teams, strong communication and collaboration skills
• Ability to mentor others and influence technical decisions
• Experience in travel domain and with AI coding tools (Copilot, Cursor, etc.)

Would be a plus

• Commercial experience with Node.js and/or Next.js
• Experience with Docker and cloud platforms such as AWS
• Experience in airline retailing, NDC, order management, or travel commerce platforms
• Familiarity with Java-based backend environments (Spring Boot ecosystem)
• Experience with microservices‑based systems
• Previous experience leading frontend initiatives or mentoring teams
• Experience building AI‑powered solutions or integrating AI pipelines/APIs into software projects.

You Are Going To

• Design, develop, and maintain modern React‑based frontend solutions for a SaaS travel platform
• Deliver new product features with strong focus on scalability, maintainability, and usability
• Lead frontend performance optimization initiatives across applications and shared components
• Analyze UI bottlenecks and improve page load speed, rendering efficiency, and application responsiveness
• Collaborate with backend teams to ensure seamless integration with APIs, services, and data layers
• Participate in architecture discussions and help define frontend engineering standards
• Review code, mentor team members, and promote engineering best practices
• Investigate business requirements and proactively suggest product and UX improvements
• Stay updated on emerging frontend technologies and recommend practical innovations
• Ensure code quality through testing, documentation, and clean development processes

Work‑life Balance

• Possibility to work remotely

Health Care

• Reimbursement of medical expenses
• Online morning exercise

Education

• Compensation for trainings, seminars, conferences
• Free access to the Pluralsight and ACloudGuru knowledge base
• Access to the AltexSoft library with top‑notch materials
• A mentor for a probation period
• Engagement in our Mentorship Hub program as a mentor or a mentee to foster professional growth and development

Development

• Horizontally — master new technologies at internal courses
• Vertically — choose your own career path through Competency trees

Recognition Program

• All your activities are marked by points that can be exchanged for gifts to fit any taste.