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Senior Frontend Engineer

Open 28d
Coinspaid Dev is the engineering brand behind the technology, infrastructure, and R&D expertise built within Coinspaid. With more than 120 engineers and over 11 years of industry experience, Coinspaid Dev brings together software engineering, infrastructure, security and R&D teams with experience building distributed systems and blockchain infrastructure operating across more than 20 blockchain networks.

Coinspaid Dev emerges as an independent engineering brand with a straightforward mission: to advance blockchain infrastructure engineering and contribute practical expertise back to the industry. The structure is new. The experience behind it is not.

Your future responsibilities and day-to-day tasks will be:

  • Development of new features and support of existing ones
  • Work with complex business logic within fintech products
  • Improvement and development of the project, including architecture, developer experience, codebase, etc
  • Participation in code review processes for the codebase and the application as a whole
  • Have the opportunity to participate in the development of different products
  • Tasks estimation, participating in planning sessions

Required Skills & Background:

  • 4+ years experience as a Frontend developer in technologies JavaScript/Typescript and React
  • Excellent knowledge of modern Javascript and Typescript (5+)
  • Solid understanding and development experience in React 18+ and Redux (toolkit) ecosystem
  • Experience in developing responsive web apps for desktop and mobile browsers with HTML, CSS, Material UI
  • Deep understanding of modern web applications design architecture, good API design patterns, performance and scale
  • Deep understanding and experience in creating software testing(unit, integration, components)
  • Strong problem-solving skills and attention to detail
  • Awareness of cross-browser compatibility issues and client-side performance considerations
  • Exceptional problem solving and ability to work independently
  • Experience working in an Agile environment
  • Good level of spoken and written English and Russian

Would be a plus:

  • Knowledge of security best practices in software development
  • Experience working on fintech projects

Why join CryptoProcessing by Coinspaid

You’ll be joining a company that is actively shaping its space – with enough scale to matter and enough room to make an impact.

At Coinspaid, people are expected to think, contribute, and take ownership – and are supported in doing so.

We focus on flexibility, wellbeing, and long-term growth – without overcomplicating how benefits work.

Flexible Benefits

Benefit Bar – up to €230/month
A flexible monthly budget you can use for what matters most to you – from sports and mental health to coworking, home office, or medical-related expenses.

Work & Flexibility

  • Fully remote work from almost anywhere

  • Optional offices and relocation support

  • Flexible, async-friendly environment

Growth & Learning

  • Budget for courses, certifications, and professional development

  • Language learning support

  • Cross-team learning and knowledge sharing

Wellbeing & Support

  • Medical insurance or reimbursement depending on location

  • Access to mental health support

  • Financial support for important life events

Extras

  • Merch shop with rewards system

  • Team offsites and company events

Sounds good? Well then, we can’t wait to see your resume!
To learn more please visit: &

What this application asks

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Resume/CV, Full name, Email, Phone, Current location, Current company, LinkedIn URL, GitHub URL, Portfolio URL, Other website

  • Current Location: Where are you currently based?
  • Work Location: From which country do you plan to work?
  • Time Zone: We operate in the CET time zone. While we offer a flexible schedule, our core working hours are aligned with CET. Would this work for you? choose one
  • Availability: If you receive an offer from us, when would you be ready to start?
  • What is your level of English? choose one · optional
  • What is your level of Russian? choose one · optional
  • What are your salary expectations? (Please provide a range in gross EUR)
  • Do you have experience in Fintech or Crypto-related projects? choose one
  • Please specify written answer · optional
  • What is your English proficiency level? choose one
  • What is your Russian proficiency level? choose one
  • How many years of experience do you have with React development? choose one
  • Which versions of React have you worked with? yes / no · optional
  • Have you worked on solving security and performance issues in web applications? If so, which areas have you had hands-on experience with? (You can select multiple options.) yes / no · optional
  • Which Agile practices have you worked with? yes / no · optional
  • Open-ended question: Describe the most challenging technical problem you have faced in frontend development during last 1-2 years. How did you solve it? written answer · optional

See also

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