FullStack .NET Developer, React

Job not on LinkedIn

🕒 March 20

🇵🇱 Poland – Remote

💵 PLN18k - PLN25k / month

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 44%

What it means: how likely this posting is sitting open without active hiring.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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Optiveum

WebsiteLinkedInAll Job Openings

1 - 10 employees

📦 Logistics

📣 Marketing

🏭 Manufacturing

Logistics • Marketing • Manufacturing

Optiveum is a recruitment and consulting company based on over 20 years of experience in HR and IT services. It operates both locally in Poland and internationally, offering candidates project-based or permanent job opportunities, either remotely or on-site. Optiveum specializes in placing professionals across various fields including IT, finance, accounting, and manufacturing, ensuring that both clients and candidates achieve their professional goals.

📋 Description

• Full-Scale Development: Own features end-to-end, from database schema and API design to the final React component. • Architecture & Scale: Contribute to the evolution of a Cloud-Native microservices architecture on Azure, designed to handle global traffic. • Engineering Excellence: Maintain high standards (SOLID, Clean Code, Design Patterns) while maintaining the velocity needed for a competitive US market. • Frontend Leadership: Drive the development of responsive, high-performance web applications using React. • Global Collaboration: Partner closely with US-based Product Managers and Stakeholders to translate vision into scalable technical reality. • Mentorship: Lead by example through Code Reviews and knowledge sharing, helping elevate the Warsaw engineering hub.

🎯 Requirements

• Backend Expertise: 5+ years of experience in .NET (.NET 6/8+) and C#. • Frontend Mastery: Solid experience with React and TypeScript. • Cloud-Native Mindset: Practical experience with Azure (App Services, Functions, Service Bus, Cosmos DB/SQL). • Database Knowledge: Strong skills in SQL Server and Entity Framework Core. • Modern DevOps: Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps/GitHub Actions). • Language: Excellent English (C1) – essential for daily collaboration with the US team. • Nice to Have Experience in high-growth FinTech, WealthTech, or high-frequency trading environments. • Knowledge of testing frameworks (xUnit, Jest/Cypress). • Familiarity with Web Performance optimization and Accessibility (WCAG).

🏖️ Benefits

• US Tech Culture: A transparent, high-growth environment that values "radical candor," innovation, and taking initiative. • Professional Growth: Access to the latest tech—we operate on the "bleeding edge" of .NET and React. • Modern Warsaw Office: A vibrant, well-located hub for collaboration, combined with a flexible hybrid/remote policy. • Competitive Compensation: 18.000 - 25000 PLN B2B. • Global Scale: Your code will power mission-critical systems used by financial professionals and institutions across the US and globally.