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.

Compensation

3,500 - 5,000 EUR Monthly Gross

We are flexible and use an individual approach with each candidate we meet, so we invite you to apply even if you do not meet some of the listed requirements.

Only candidates who have the right to work in Latvia are considered for this position.

The mentioned remuneration may vary depending on the candidate’s skills, qualifications, and experience.