Freelance Senior .NET Developer / Tech Lead

Job not on LinkedIn

🕒 October 1

🇱🇹 Lithuania – Remote

💵 €30 - €50 / hour

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 2%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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WISE INTEGRATION

WebsiteAll Job Openings

- employees

💼 Consulting

🏢 Enterprise

Consulting • Enterprise

WISE INTEGRATION is a technology consulting and services provider specializing in enterprise software development, test automation, and digital experience. The company delivers engineering services such as Playwright/Selenium test automation, CI/CD integration, cloud application monitoring, and mentoring around quality practices, alongside UX and accessibility leadership for HR and employee platforms. Their work focuses on building and maintaining enterprise-grade applications using JavaScript/TypeScript, Node. js, React, GraphQL, and established architecture and testing practices for global clients.

📋 Description

• Design and develop backend services using C# / modern .NET • Contribute to technical design and architectural decisions • Build integrations with REST APIs, third-party platforms, messaging, and file-based interfaces • Ensure code quality through code reviews and engineering best practices • Mentor developers and lead technical discussions • Work with SQL, relational databases, CI/CD, and Docker • Build secure, reliable, and scalable software solutions • Collaborate with product, compliance, QA, and other engineering teams

🎯 Requirements

• 7+ years of hands-on C# / .NET experience • Strong backend development experience • Experience with REST APIs, integrations, and distributed systems • Strong SQL and relational database experience • Experience with Docker and CI/CD • Understanding of secure and reliable software development • Experience as a Senior Engineer, Tech Lead, or similar • Ability to take technical ownership and guide other developers • English language requirement • Experience in payments, banking, fintech, or financial services • Experience in a regulated / compliance-driven environment • Knowledge of ISO 20022 / SEPA • Understanding of clearing, settlement, or payment processing • Experience with Azure or AWS

🏖️ Benefits

• 12-month contract duration

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