Senior Frontend Developer

As a Senior Frontend Developer at CoinGate, you own the frontend of core payment products: the checkout and payment page, the embeddable checkout merchants integrate into their own sites, and the merchant dashboard. These products handle real payments for merchants and customers every day, so quality, performance and clarity matter deeply. You make frontend decisions on architecture, patterns, tooling and quality standards, working closely with the design team and product owner to turn ideas into polished, reliable experiences. You report to an Engineering Manager.

What you'll do

• Own frontend architecture and technical decisions across checkout, the embed and the merchant dashboard
• Partner with design and product from early discovery through delivery, shaping solutions together rather than implementing specs
• Build and evolve a consistent, reusable component foundation together with the design team
• Drive performance, accessibility and conversion improvements on payment flows
• Set the bar for code quality through reviews, standards and best practices in the Turborepo monorepo
• Contribute to product roadmap decisions

What you bring

• 5+ years building production web applications, with deep expertise in React, Next.js and TypeScript
• Hands-on experience with Next.js App Router
• A track record of owning frontend decisions and explaining the trade-offs behind them
• Experience working closely with designers and product owners
• Strong communication skills, a proactive mindset and a customer-focused approach
• Fluent English

Nice to have

• GraphQL, TanStack Query, Zod and React Hook Form
• Web3 wallet integrations using Wagmi, Viem or Reown AppKit
• Experience building embeddable widgets or third-party scripts
• Experience building or maintaining a design system
• Background in payments, checkout or fintech products
• Experience mentoring or leading engineers

What we offer

• Salary of 5,000-9,000 EUR per month gross, open to discussion based on skills and experience
• Room to grow into a Frontend Lead or Engineering Manager role
• Hybrid work from the modern office in central Vilnius, with flexible hours
• Private health insurance and access to the MELP employee benefits platform
• Team-building activities and occasional workations in Lithuania and abroad
• Coffee and snacks at the office

About CoinGate

CoinGate is a Lithuanian fintech company founded in 2014 that specializes in payment solutions for cryptocurrencies and stablecoins. Holding a MiCA license, the company has established itself as a leading player in the space while continuing to expand its product offerings.