Senior .NET Developer

Romania·BucharestFixed termsenior

.Net DeveloperSoftware Engineering

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Overview

About Qualysoft · 25 years of experience in software engineering, established in Vienna, Austria · Active in Romania since 2007, with office in central Bucharest (Bd.

Technical Tools

.Net DeveloperSoftware Engineering

About Qualysoft

· 25 years of experience in software engineering, established in Vienna, Austria

· Active in Romania since 2007, with office in central Bucharest (Bd. Iancu de Hunedoara 54B)

· Delivering End to End IT Consulting Services - From Team Augmentation and Dedicated Teams to Custom Software Development

· We deliver scalable enterprise systems, intelligent automation frameworks, and digital transformation platforms

· Cross-industry experience by sustaining global players in BSFI (Banking, financial services and insurance), Telecom,Retail & E-commerce, Energy and Utilities, Automotive, Manufacturing, Logitics, High Tech

· Global Presence: Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia

· International team of 500+ software engineers

· Strategic partnerships: Microsoft Cloud Certified Partner, Tricentis Solutions Partner in Test Automation and Test Management, Creatio Exclusive Partner, Doxee Implementation Partner

· Powered by cutting-edge technologies: AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation.

· Project beneficiaries ranging from large-scale enterprises to startups

· Stable growth and revenue increase year over year, a resilient organisation in volatile IT market conditions

· Quality-first mindset, culture of innovation, and long-term client partnerships

· Global and local reach – trusted by key industry players in Europe and the US

• Solid experience in C# and .NET (Core / .NET 8+) and enterprise application development.

• Strong understanding of software design and architecture principles (SOLID, Separation of Concerns, Clean Architecture, DDD, etc.).

• Experience with asynchronous communication and distributed systems (message brokers, event-driven architecture, queues, pub/sub).

• Good knowledge of API development (REST, versioning, resiliency, observability).

• Experience with relational databases and ORMs (EF Core or similar).

• Understanding of CI/CD concepts, automation, and continuous delivery.

• Security-first mindset – solid understanding of secure coding principles and common vulnerabilities in modern applications (OWASP, OpenIDConnect, JWT, etc.).

• Capable of working autonomously and making well-reasoned technical decisions.

• Focused on quality, maintainability, and the long-term sustainability of solutions.

• Open to feedback, continuous learning, and adopting new technologies.

• Proactive in identifying and resolving technical issues.

• Collaborative, willing to provide mentorship and support to less experienced colleagues.

• Interest in automation, observability, and continuous process improvement.

• Bachelor’s degree in Computer Science, Information Systems or equivalent technical field

• At least 4 years of experience

• Experience with Agile development environments

• Have very good interpersonal and communication skills and love to be part of a team

What We Offer

· Premium medical package

· Lunch Tickets & Pluxee Card

· Bookster subscription

· 13th salary/yearly bonuses

· Enterprise job security with a startup mentality (diverse & engaging environment, international exposure, flat hierarchy) under the stability of a secure multinational

· A supportive culture (we value ownership, autonomy, and healthy work-life balance) with great colleagues, team events and activities

· Flexible working program and openness to remote work

· Collaborative mindset – employees shape their own benefits, tools, team events and internal practices

· Diverse opportunities in Software Development with international exposure

· Flexibility to choose projects aligned with your career path and technical goals

· Access to leading learning platforms, courses, and certifications (Pluralsight, Udemy, Microsoft, Google Cloud)

· Career growth & learning – mentorship programs, certifications, professional development opportunities, and above-market salary