Senior .Net Back-end Developer

Job not on LinkedIn

October 8

Apply Now

Receive Emails with Similar Jobs

Wirex

WebsiteLinkedInAll Job Openings

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.

201 - 500 employees

Founded 2014

💳 Fintech

🌐 Web 3

🏦 Banking

💰 Series B on 2021-12

📋 Description

• Design and implement event-driven and microservice-based architectures using modern .NET technologies. • Build and maintain RESTful APIs and background services supporting real-time financial operations. • Collaborate in Agile ceremonies (grooming, planning, estimation, retrospectives) with product, QA, and DevOps. • Take ownership of features from concept to production—including architecture, testing, and monitoring. • Proactively refactor legacy components and evolve platform architecture to meet current scalability, security, and maintainability standards. • Translate product and compliance requirements into robust unit, integration, and end-to-end test coverage. • Contribute to code reviews, CI/CD workflows, documentation, and team knowledge sharing.

🎯 Requirements

• 4+ years of commercial experience with .NET/C# in production systems. • Hands-on with .NET Core 3.1+ / .NET 6+, ASP.NET Core Web API, and background services. • Expertise in distributed systems, event-driven architecture. • Practical understanding of multithreading, async/await, and building resilient, high-load systems. • Experience working with MSSQL, Redis, knowledge of data caching, transactions, and query optimization. • Knowledge of message orchestration patterns (saga, idempotency, DLQ). • Maintains SOLID principles, clean code, design patterns. • Good English for documentation, Ukrainian or Russian communication skills.

🏖️ Benefits

• 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: 23 business days of paid leave + 12 paid floating holidays. • Paid sick leave, Birthday, and Anniversary leave. • Length of Service Holidays. • Engaging in online events for learning and enjoyment. • Coworking with all facilities and parking compensation in Wrocław/Kyiv.