Front-end Engineer (React) Job at Infogain (Kraków)

Junior Front-End (React) Engineer

My client is a rapidly scaling fintech start-up looking for a Junior Front End E...

Location

United Kingdom , London

Salary:

100000.00 GBP / Year

Hunter Bond

Expiration Date

Until further notice

Requirements

1–4 years’ experience working with JavaScript
Experience with modern JavaScript frameworks such as React or React Native
Solid understanding of front-end fundamentals (component design, state management, performance)
Some exposure to a back-end language (e.g., C#, Java, Python, or C++) is beneficial
Strong communication skills and a collaborative mindset

Job Responsibility

Building and improving scalable, reliable front-office trading platforms
Contributing to high-performance software used in FX and Crypto markets
Collaborating with experienced technologists from top tech and trading firms
Developing front-end features while ensuring high performance and reliability
Gaining hands-on mentorship from senior engineers in a fast-moving environment

What we offer

Bonus

Fulltime

Senior Front-end Engineer (React)

This project focuses on empowering modern cities to understand how people and sy...

Location

Ukraine

Salary:

Not provided

StartupSoft

Expiration Date

Until further notice

Requirements

Strong proficiency in JavaScript (ES6+) and React.js
Hands-on experience with HTML5, CSS3, and responsive design principles
Experience with state management libraries (Redux, MobX, Context, Recoil, etc.)
Familiarity with REST APIs
Understanding of front-end build tools (Webpack, Vite, Babel)
Proficiency with Git and modern development workflows
Knowledge of component-driven development and design patterns
Strong problem-solving skills and attention to detail
Good communication and collaboration abilities
Ability to work in a fast-paced, agile environment

Job Responsibility

Develop and maintain React.js web applications with a focus on performance and scalability
Build reusable components, hooks, and front-end libraries for future use
Translate UI/UX wireframes and design mockups into high-quality code
Optimize applications for speed, responsiveness, and SEO
Integrate front-end components with FastAPI or backend services
Manage application state using tools such as Redux, Zustand, Recoil, or Context API
Write clean, maintainable code following industry best practices
Debug issues, perform root-cause analysis, and implement timely fixes
Collaborate with cross-functional teams, including backend developers, designers, and QA
Participate in code reviews, agile ceremonies, and sprint planning

What we offer

Global collaboration opportunities
Core team membership
Equity and ownership potential
Premier workspaces
Competitive compensation package
Cutting-edge technology environment
Impactful project contributions
Collaborative company culture

Fulltime

Senior Staff Principal Back-end and Front-end Engineer

Senior/Staff/Principal Back-End and Front-End Engineers – New York – On-Site – O...

Location

United States , New York

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Java
GCP and/or AWS or Azure, Distributed Systems focus
6+ Years of Experience
Start-Up Experience
6+ years of React experience
3+ years of React Native experience
Proven experience in React Native, TypeScript/JavaScript, Redux/Global state management frameworks
Strong UX design skills, problem solving, and troubleshooting skills.
Understanding of how to optimize the delivery of code and assets to a browser or device
Ability to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-sets

Job Responsibility

Designing, deploying, and documenting the back-end services for the website and mobile app
Promote best practices, guarantee that integrations are technically feasible, and optimise the application for optimal speed, scalability, and dependability
Investigate and utilize Google Cloud Platform services to continuously improve application architecture
Implement microservices using Java and Quarkus framework
Propose and enhance automation initiatives related to infrastructure as code, CI/CD, monitoring and alerting
Contribute to all phases of the development lifecycle
Write well-designed, testable, and efficient code
Become a foundational member of our team, working alongside the Head of Engineering and Head of Product
Develop user-facing features
Work directly with the frontend engineering and product teams across the React Native mobile app

Fulltime

Front End Engineer (React Native)

As a Front End Engineer (React Native) at Bilt, you’ll join a renowned team that...

Location

United States , New York

Salary:

160000.00 - 280000.00 USD / Year

Bilt Rewards

Expiration Date

Until further notice

Requirements

6+ years of React experience
3+ years of React Native experience
Proven hands-on Software Development experience
Proven experience in React Native, TypeScript/JavaScript, Redux/Global state management frameworks
Strong UX design skills, problem solving, and troubleshooting skills
Understanding of how to optimize the delivery of code and assets to a browser or device
Ability to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-sets
Ability to write testable code
Great interpersonal skills with a team-player disposition
Knowledge of the start-up world preferred

Job Responsibility

Write well designed, testable, efficient code
Identify opportunities to refactor and make features more robust
Coordinate with QA to test new features
Be responsible for writing unit and integration tests
Work together with the backend team to come up with requirements for an API

What we offer

Competitive salary with a meaningful stake in the company via equity and our performance bonus program
Health insurance for you (& your loved ones) from day one - Enjoy a One Medical Membership, wellness stipends, family programs and more
401k plan with a match
Commuter FSAs
UNLIMITED PTO
Exclusive Employee only Bilt Points
Team Events

Fulltime

New

Front-end Engineer (React/TypeScript)

Are you ready to start a new journey with a team of energized professionals adva...

Location

Lithuania , Kaunas or Vilnius

Salary:

3800.00 EUR / Month

Bentley Systems

Expiration Date

Until further notice

Requirements

Strong proficiency in TypeScript and React, with solid modern front‑end development practices
Experience working in Scrum / Agile environments
Ability to write clean, maintainable, testable, efficient, and secure code
Experience with JavaScript testing frameworks, data structures, and OOP
Understanding of short‑ and long‑term implications of technical decisions
Clear verbal and written communication skills
Ability to learn quickly and adapt in a dynamic environment
Self‑driven mindset with the ability to work both independently and collaboratively

Job Responsibility

System Design: Contribute to feature definition and design with a focus on stability, usability, security, and maintainability
Implementation: Build high‑quality solutions using modern development tools and best practices
Maintenance & Support: Maintain existing codebases and collaborate with support teams when needed
Testing: Write and maintain unit tests to ensure quality and coverage of key use cases
DevOps: Follow DevOps practices from design through delivery
CI/CD: Develop and work with fully automated CI/CD pipelines to production
Continuous Improvement: Learn and apply modern technologies, patterns, and secure development practices
Collaboration: Work effectively with other teams whose services we consume or who depend on ours

What we offer

Health insurance
Additional annual leave days
Pet‑friendly office
Global Exposure: Work in a diverse, international environment
Career Development: Training, certifications, and conference opportunities
Meaningful Impact: Contribute to software shaping the future of infrastructure
Work–Life Balance: Additional annual leave and extra paid days for life events
Health & Wellbeing: Health insurance and 24/7 accident coverage
Recognition & Rewards: Referral bonuses starting from €1,500 gross, seniority bonuses, and recognition programs
Financial Benefits: Employee stock purchase plan and 3rd‑pillar pension coverage

Fulltime