Senior FullStack QA engineer
CoinsPaidPosted 3/28/2025
Senior FullStack QA engineer
CoinsPaid
Job Location
Job Summary
CoinsPaid is a leading crypto payment gateway with a strong focus on innovation and growth. As a Senior FullStack QA engineer, you will be responsible for ensuring high-quality code and products through manual and automated testing. You will work closely with Dev engineers to develop test documentation, participate in quality processes architecture, and contribute to the development of testing tools. With over 10 years of experience in blockchain development and €700M processed monthly, CoinsPaid is a dynamic company that offers flexible remote work options, $4,000/year travel stipends, and equity in a fast-growing company. Join our team and help shape the future of crypto payments!
Job Description
CoinsPaid offers ready-to-use crypto payment solutions tailored to business’ every need. Standing at the forefront of mass adoption, our products help businesses gear up for the new era of digital assets. We showed a tremendous growth in terms of transactions and volumes since 2019 and in 2023 were marked by Forbes as the "Best Crypto Payment Gateway for High-Volume Transactions".
Headquartered in Estonia and having 3 international hubs, we are still a remote-first company with employees working from 30+ countries around the world. At CoinsPaid, we are passionate about crypto, fintech and are putting great effort into building a team that will get the world ready for every-day crypto use. If these feel close to you - give us a shout!
Responsibilities:
- Do requirements analysis, manual and automated testing
- Be responsible for releasing products
- Develop test documentation (checklist, test cases, quality reports) for manual and automation testing
- Understanding the Test Pyramid Model. Work together with Dev engineers to ensure high, consistent code quality.
- Maintain and expand the automation testing framework
- Do functional and exploratory testing, including backend/api, message queue, blockchain, cryptocurrency exchanges. Execute all general types of testing.
- Participate in testing tools development (including fake test services)
- Participate in quality processes architecture, estimations, test cases design
- Participate in CI/CD process improvement
Requirements:
- 5+ years of experience in Quality Assurance, manual and automation testing
- Experience in automation microservices
- Experience in test automation frameworks development from scratch (Tech stack: Python + Pytest, Kuberneties, Gitlab CI, Grafana)
- Comfortable working with Docker, Kubernetes, good understanding of CI/CD (we use ArgoCD and Gitlab)
- Experience with queues Kafka/NSQ/NATS/Rabbit (we use NSQ)
- Experience with ELK, Sentry, other monitoring/alerting tools
- Deep understanding of QA approaches, testing principles, testing types, zero bug policy, test pyramid approach, tests coverage distribution and other
- Experience in functional/non-functional testing (load testing, integration, acceptance testing, exploratory, security testing)
- Excellent in understanding of the SDLC from requirements analysis, development, deployment to application monitoring
- Independence and proactivity
- Ability to quickly learn new things
- Good level of spoken and written English and Russian
Nice to have:
- User experience with cryptocurrency exchanges or with traditional trading markets
- Blockchain experience. General understanding of Bitcoin, Ethereum and other popular blockchains would be a plus
- fastAPI/Flask experience. Test services are written in fastAPI/Flask. They need to be maintained and expanded
- GO experience. Services are written in GO. It could be useful to be able to read GO code
Why should you choose CoinsPaid?
To become a part of this solid team, passionate about their jobs and the crypto industry as a whole. To feel a great team spirit and meet people supporting each other's growth and development. To become a part of a rapidly developing international company and a crypto payments leader. Only in 2024 CoinsPaid was awarded more than 10 times:
- Acquisition International 2024 - Best Crypto-payment Solutions Firm 2024 - Europe;
- World Business Annual Awards 2024 - Leading Blockchain & Cryptocurrency Firm in Europe 2024;
- World Business Annual Awards 2024 - Best Blockchain Initiative Europe 2024;
- World Business Annual Awards 2024 - Best Blockchain Fintech Company Europe 2024;
- Global Brands Magazine Awards - Leading Cryptocurrency Payment Solutions;
- ICA Compliance Awards - Development of Automated Real-time Risk Assessment System;
- Europe Fintech Awards - Crypto Award;
- EiGE Awards - Best Payment Provider 2024;
- World Business Annual Awards 2024 - Best Cryptocurrency Payment Solution Provider Europe 2024;
- World Economic Magazine 2024 - Best Digital Payments Solutions Provider;
- Malta Fintech Awards by Dynamic Events - Payment Services Provider of the Year;
- Global Brands Magazine Awards - Best Crypto Payment Gateway;
- Business Awards UK - Best Cryptocurrency Tech;
- EGR B2B - Best Cryptocurrency Service Supplier 2024;
- Global Cards & Payments Innovation Awards - Best B2B Payments Initiative;
- International Investor Award - Most Advanced Crypto Payment Processing Firm 2024.
Solid facts about CoinsPaid:
- Private and profitable company, registered and licensed in Estonia;
- Secure business, with regular financial and regulatory audits;
- Over 10 years of experience in the blockchain development;
- Over €700M processed in crypto monthly;
- Over 1M transactions processed monthly;
- Over 800 merchants accounts serviced;
- Over 270 team members across 30+ countries.
By joining CoinsPaid now, you’ll participate in building the world's best crypto payment ecosystem, conquering new markets, and popularising cryptocurrencies.
Sounds good? Well then, we can’t wait to see your resume!
