Frontend Engineer

Department: Engineering & Data

Location: Europe, Warsaw, Kyiv, Lviv

Employment Type: FullTime

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

About the Team and Role

We’re looking for a Frontend Engineer to join our Finance Engineering team, which builds the finance system. It’s essentially a highly powerful calculator that helps businesses run smoothly. The goal is simple: ensure that every dollar merchants and Solidgate earn ends up in their accounts correctly and on time.

We process over 18 million payments every month, generating fees based on each individual’s specific settings. This affects automated payouts and financial reports.

Why it may be your next big move

Impactful work. Build a mission-critical platform that directly affects the products you use every day. We’re defining what future Solidgate financial contracts will look like.

Collaboration with experts. Work alongside engineers who built systems at Amazon, Revolut, Wix, and other world-class products.

Autonomy & ownership. Own your work end-to-end — from design to deployment — and see the direct business impact of your decisions.

AI-assisted engineering: We invest in developer productivity by fully covering tools like GitHub Copilot, Windsurf/Cursor, and Coderabbit. You’ll write less boilerplate, ship faster, and focus on solving real problems — not fighting with repetitive code.

Why is it the perfect time to join?

We’re building a next-generation financial system from scratch — not refactoring legacy code.

We’re standardizing fee calculation logic, making configuration transparent and modular, and laying the groundwork for new financial modules such as pricing, billing, ledger, and more.

Explore our technology stack ➡️ here.

What You’ll Drive

• Expand the platform with new financial configurations
  Build frontend solutions that support new contract types, commission models, and flexible configurations, enabling merchants to precisely define their financial terms.

• Build internal tools for operational teams
  Develop powerful back-office interfaces used to configure merchant invoices and balances, and manage complex recalculation processes involving millions of transactions and commissions.

• Contribute to the web platform and design system
  Help evolve the design system and shared frontend libraries, improving consistency, scalability, and developer experience across the entire product.

• Develop customer-facing financial experiences
  Create fast and intuitive interfaces that allow users to search and download invoices, view balances, and easily navigate their financial data.

What We Pay Attention To:

Technical Mastery

You know your way under the hood:

• 3+ years of commercial experience building applications with TypeScript/React

• Deep knowledge of browser internals, networking, and web performance

• Proven ability to design and implement systems outside of frameworks

• Hands-on experience with automated testing (Unit/Integration/E2E)

Mindset & Impact

You don’t just ship code — you own outcomes:

• Product mindset — You think end-to-end and build solutions that solve real user problems.

• Ownership & independence — You drive projects forward and take responsibility for decisions.

• Ability to learn quickly — You pick up new technologies and patterns without waiting for instructions.

• High standards & accountability — You deliver reliable systems and hold yourself to exceptional quality.

The Points That Make You Stand Out

• Familiarity with architectural approaches such as DDD, Clean Architecture, Hexagonal, or Layered architecture

• Background in building and maintaining component libraries or design systems

• Full-stack development background

Why Solidgate?

High-impact role. You’re not inheriting a perfect system — you’re building one.

Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.

Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers. We’re also early adopters of cutting-edge fraud and chargeback prevention technologies from the Schemes.

Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered. We hold financial licenses in key regions and are a direct Visa & Mastercard partner and sub-reseller (top 5 globally).

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.

🫂 Know top talent? We’re always on the lookout. Refer someone for our role, and if they get hired, there’s a bonus waiting for you — simple as that.