
201 - 500 employees
Founded 2014
💳 Fintech
🌐 Web 3
🏦 Banking
💰 Series B on 2021-12
Fintech • Web 3 • Banking
Wirex is a financial technology company that provides a range of services for managing cryptocurrencies and traditional financial assets. Established in 2014, Wirex has supported over 6 million customers worldwide and processed transactions exceeding $20 billion. It offers products such as the Wirex card, which allows users to earn up to 8% Cryptoback™ rewards on transactions, and X-Accounts, which offer up to 16% interest on certain currencies. Wirex's platform supports various digital assets and stablecoins, providing a secure and simple way to earn, trade, and manage money in the Web3 ecosystem. Additionally, Wirex provides a free and instant cross-chain bridge for stablecoins and crypto and offers the unique capability to borrow stablecoins starting at 0% APR. The company is committed to pioneering global payment innovations and offers a robust infrastructure for digital asset management, catering to both individual and institutional needs.
🔥 0 minutes ago
🗣️🇺🇦 Ukrainian Required
🗣️🇷🇺 Russian Required
Improve your chances of getting an interview by checking your resume score before you apply.

201 - 500 employees
Founded 2014
💳 Fintech
🌐 Web 3
🏦 Banking
💰 Series B on 2021-12
Fintech • Web 3 • Banking
Wirex is a financial technology company that provides a range of services for managing cryptocurrencies and traditional financial assets. Established in 2014, Wirex has supported over 6 million customers worldwide and processed transactions exceeding $20 billion. It offers products such as the Wirex card, which allows users to earn up to 8% Cryptoback™ rewards on transactions, and X-Accounts, which offer up to 16% interest on certain currencies. Wirex's platform supports various digital assets and stablecoins, providing a secure and simple way to earn, trade, and manage money in the Web3 ecosystem. Additionally, Wirex provides a free and instant cross-chain bridge for stablecoins and crypto and offers the unique capability to borrow stablecoins starting at 0% APR. The company is committed to pioneering global payment innovations and offers a robust infrastructure for digital asset management, catering to both individual and institutional needs.
• Plan, prepare, and maintain test cases and test documentation • Drive manual and automated API testing using Postman, Swagger, and related tooling • Actively participate in the release process at all stages • Collaborate with the development team by gathering information, reporting detected issues, and tracking their resolution • Collaborate with analysts and developers during feature requirements analysis • Proactively optimize the length of the test cycle • Detect, document, and track defects on the back-end side
• 3+ years of hands-on Back-End/API testing experience • Deep, day-to-day experience at the service layer, not incidental API coverage alongside a UI testing role • Solid experience with API testing tools, including Postman and Swagger • Experience with testing methodologies • Hands-on experience in automated testing using JavaScript or Go • Proven track record in defect detection, documentation, and tracking on the Back-End side • Experience with the Atlassian stack, including Jira and Confluence • Experience with version control platforms, including GitHub • Knowledge of software development methodologies and the SDLC • Ability to prioritize tasks, manage workload effectively, and identify risks to quality or timelines • Excellent analytical and investigative problem-solving skills • Capable of working independently • Good English for documentation • Ukrainian or Russian for internal communication • Nice to have: experience with Web3 and non-custodial wallets • Nice to have: knowledge of smart contracts and blockchain basics
• Premium tariffs for our product • Semi-remote work with flexible hours • Home office allowance • Virtual share options scheme after the probation period • Comprehensive medical insurance after the probation period • Generous vacation policy: 20 business days • Paid sick leave • Birthday and Anniversary leave • Length of Service Holidays • Online events for learning and enjoyment • Coworking with all facilities and parking compensation in Wrocław / Kyiv • Benefits may vary from region-to-region and will depend upon the location you are hired in
Apply Now🔥 13 hours ago
Freelance Python developer building and maintaining commercial applications for Monterail’s tech network. Designing reliable databases, cloud infrastructure, and complex systems for client projects.
🗣️🇵🇱 Polish Required
AWS
Cloud
Django
Flask
Postgres
Python
Terraform
🕒 Yesterday
Python Developer building OCR and web-scraping pipelines for CPGvision’s consumer-goods revenue growth platform. Deploying reliable data workflows on AWS for structured CPG/Retail insights.
Airflow
AWS
Cloud
Docker
EC2
Linux
Pandas
Python
Selenium
SQL
🕒 4 days ago
Back-End Engineer building TypeScript/Node.js services for Saga, a legal innovation company. Developing document processing, semantic search, vector search, and LLM-powered RAG workflows.
Distributed Systems
JavaScript
Node.js
TypeScript
🕒 6 days ago
Senior backend engineer building scalable transaction, ledgering, and reconciliation systems for Affirm’s transparent credit cards in Poland. Leading delivery, technical standards, and engineering talent development.
🇵🇱 Poland – Remote
💵 zł308k - zł428k / year
💰 Post-IPO Equity on 2021-01
⏳ Contract/Temporary
🟠 Senior
🔙 Backend Engineer
AWS
Kotlin
Kubernetes
MySQL
Python
🕒 6 days ago
Backend Engineer building Python APIs, Neo4j graph services, and Databricks workflows for maritime geospatial analytics. Fully remote contract role supporting an international research centre.
Azure
Docker
Grafana
Kafka
Kubernetes
Linux
Microservices
Neo4j
Postgres
Prometheus
Python
SQL
Vault