Frontend Developer (React Native)

Reposted 4 Days Ago
Be an Early Applicant
Kraków, Małopolskie
In-Office
50K-100K
Senior level
Fintech • Payments • Financial Services
The Role
As a Frontend Developer, you'll lead the development of React Native features, architect scalable solutions, mentor junior developers, and collaborate with cross-functional teams.
Summary Generated by Built In

Job Title

Frontend Developer (React Native)

Job Description

So, who are we?

Hello, we're IG Group. We are a publicly-traded FTSE250 FinTech company who run mobile, web and desktop platforms that help our clients trade stocks & shares, leveraged products, Futures & Options and Crypto.

We are ambitious. Over 340,000 people already use our platforms. We're global with offices in 18 countries and products in 16 regions. We're hungry to move faster, ship better product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order to create better experiences for our customers.

We work in cross-functional teams and are laser focused on increasing the number of active clients we serve to drive sustainable growth.

Your team

Join our dynamic Frontend  Engineering team where we're revolutionizing mobile trading through innovative React Native applications for mobile and web. You'll be instrumental in delivering seamless, high-performance mobile experiences that empower traders to make split-second decisions in fast-moving financial markets. Our team is at the forefront of frontend fintech innovation, directly impacting how hundreds of thousands of users engage with trading platforms daily. 

What you'll do
  • Lead the development of complex React Native features for our award-winning trading platforms, ensuring optimal performance and user experience. 
  • Architect scalable mobile solutions that handle real-time financial data streams and high-frequency trading operations  
  • Collaborate with cross-functional teams including backend engineers, designers, and product managers to deliver features that drive business growth  
  • Mentor junior developers and contribute to technical decision-making that shapes our mobile development standards  
  • Drive mobile-first innovation, implementing cutting-edge technologies to stay ahead in the competitive fintech landscape 

What you'll need for this role

Key Qualification Requirements:

  • 5+ years of React Native development experience with a proven track record of delivering production mobile applications  
  • Strong expertise in JavaScript/TypeScript, React hooks, Redux/Context API, and mobile development best practices  
  • Experience with native mobile development (iOS/Android) and ability to write custom native modules when needed  
  • Solid understanding of react performance optimization, including memory management, rendering optimization, and efficient API integration  
  • Experience with real-time data handling, WebSocket connections, and high-frequency data updates in mobile environments  
  • Knowledge of mobile CI/CD pipelines, specially Gitlab, automated testing frameworks, and app store deployment processes  
  • Familiarity with financial services or trading platforms is highly desirable but not essential  
  • Bachelor's degree in Computer Science, Engineering, or equivalent practical experience 

How we work

We try to take a thoughtful approach to our ways of working as a company. We follow a hybrid working model with 3 days in the office -- which we think balances the need to collaborate effectively and connect with each other. When it comes to how we deliver, there are 5 things we want everyone to do to drive high performance, better learning and career satisfaction:

  • Lead and Inspire: Drives trust, alignment, and enthusiasm
  • Think Big: Focus on the problems that most impact commercial outcomes
  • Champion the client: Understand and prioritise client's needs
  • Deliver at pace: Push for fast, sustainable growth;
  • Raise the bar: Take ownership, be accountable and share feedback

We believe that diversity is vital to success, it fuels creativity, drives innovation and sets us up for global success. We're committed to building teams with a variety of perspectives and skills to help us realise our vision and strategy, that's why we encourage applications from people with diverse backgrounds and experiences to join us on this journey. Learn more about our D&I approach here.

The Perks

Your growth fuels our success! Thrive with tailored development programs, mentoring opportunities with leaders, and clear career progression. Expand your network through committees, sports and social clubs. Enjoy extra time off for volunteering and community work.

  • Home office equipment reimbursement  

  • Performance relate bonus

  • Private medical cover for you and your family/partner (Medicover)

  • Multikafeteria system (you can choose a multisport card, vouchers, etc.) 

  • Life insurance (Generali) 

  • LinkedIn Learning platform free access

  • Share Plans for Employees

  • Employee-led LGBTQ+, Women’s, Black, and Parents & Carers networks with an annual budget for organizing events & projects that foster an open, diverse, and inclusive culture  

  • Career-focused technical and leadership training in-class and online, incl. unlimited access to LinkedIn Learning platform

  • Well-being events as well as Employee Assistance Programme

  • Summer picnic, New Year party and other social events  

  • 3 additional days off a year - 1 to celebrate your Birthday and 2 for voluntary work

  • App-based parking spots booking system

  • Stretching sessions

  • Wellbeing weeks

Learn more about the Perks here!

Join us for this exciting journey. Apply now!

Number of openings

1

Top Skills

Android
Context Api
Gitlab
iOS
JavaScript
React Native
Redux
Typescript
Websocket
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The Company
HQ: London
2,748 Employees

What We Do

We’ve been at the forefront of trading innovation since 1974, taking on the challenge to deliver an unmatched experience for our clients and raise the bar for tomorrow’s opportunities.

Today, we’re a global fintech company incorporating the IG, tasty, IG Prime, Spectrum and DailyFX brands, with a presence in 18 countries across five continents – Europe, North America, Africa, Asia-Pacific and the Middle East.

We’re an organisation of positive problem-solvers, united and inspired by our purpose, which is to power the pursuit of financial freedom for the ambitious. Our award-winning products and platforms empower go-getters the world over to unlock opportunities around the clock, giving them access to over 19,000 financial markets.

Today, more than 400,000 clients call IG Group home.

IG Group Holdings plc is an established member of the FTSE 250 and holds a long-term investment grade credit rating of BBB- with a stable outlook from Fitch Ratings

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