Senior React Developer

About 28Stone

28Stone is a custom software development and consulting firm focused on the capital markets and fintech sectors. We partner with global financial services companies to deliver high-quality, cost-efficient technology solutions that solve real business challenges.

We support the full delivery lifecycle - from advisory and architecture to implementation and deployment - working on complex front-to-back trading, risk, and data systems that power global markets.

What sets us apart is our combination of deep industry expertise, long-term client relationships, and a people-first approach. As a mid-sized company, we offer both flexibility and stability: remote work, consistent project pipelines, and meaningful opportunities to grow across technologies and clients.

Our culture is built on collaboration, trust, and autonomy - where experienced professionals can take ownership, contribute ideas, and develop their careers without unnecessary bureaucracy.

We are twice awarded in the Harrington Starr Top 1% Workplace Awards and recognized across the financial technology industry for both our engineering excellence and our investment in talent.

Your Impact Zone

• Designing and writing clean and testable code.
• Effectively collaborating with the project team.
• Maintaining own productivity and aligning to project goals.
• Actively contributing to technical solution definition.
• Provide technical leadership and mentorship to other developers.
• Communicating with the client daily.

Requirements

• At least 5 years of professional software development experience.
• Minimum 5 years of hands-on experience with JavaScript.
• React: At least 5 years of experience working with the React framework.
• Good understanding of common design patterns, including GoF patterns.
• Strong command of HTML.
• Strong command of CSS3, including preprocessors such as SASS or LESS.
• Very good written and spoken English skills, with the ability to communicate effectively with international clients and colleagues.
• Ability to work effectively both independently and as part of a team.

Considered as advantage:

• Experience with other JavaScript UI frameworks.
• Development experience with Node.js or Next.js.
• Experience optimizing JavaScript code.
• Knowledge of UX principles.
• Experience with AG Grid or similar data grids..
• Industry experience in Financial Services, particularly Capital Markets and Securities Trading.
• Experience with AI is nice to have, interest and willingness to use it is a must have.

Benefits

• Flexible work schedule and the possibility of working from home in Latvia or one of our offices (Riga, Daugavpils).
• Health insurance from Day 1: sport/dentist/vaccination/accident plans + massage chair in the office.
• Annual training budget.
• Technology communities: friendly and experienced team members who support your professional growth.
• Sports community: Squad Hour gym membership deal, 28Stone volleyball team, various public sports events, and monthly challenges.
• Social events: bi-weekly lunches, board game nights, team buildings, company-wide events.
• Loyalty rewards program: referral bonuses, gifts, and merchandise on your work anniversary.
• Paid mobile phone bills.
• Additional one day of paid sick leave for emergency cases.
• Modern & ergonomic office space: all the resources and tools to perform your tasks.
• Additional perks in the office.