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, Logistics, 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

Responsibilities

Design, develop and maintain backend applications and services using C#, .NET and ASP.NET Core.
Analyze business and technical requirements and translate them into clear, maintainable and testable solutions.
Design and implement REST APIs and system-to-system integrations with clear, versioned contracts.
Contribute to reusable integration capabilities and avoid application-specific point-to-point solutions where a generic service is appropriate.
Design and implement synchronous, asynchronous and event-driven interaction patterns based on solution needs.
Integrate applications using Apache Kafka or equivalent enterprise messaging platforms.
Develop and optimize database interactions with Oracle and other relational databases, including SQL performance considerations.
Apply appropriate architectural patterns, including Clean Architecture, Domain-Driven Design and event-driven architecture.
Implement authentication and authorization mechanisms using OAuth 2.0, JWT and enterprise access-management solutions.
Build automated unit, component and integration tests using xUnit, NUnit, Moq or equivalent frameworks.
Participate in code reviews and contribute to clean code, security, performance and engineering-quality standards.
Containerize applications and support delivery through Docker and OpenShift/Kubernetes-based platforms.
Contribute to CI/CD and build automation using GitHub Actions or equivalent tooling.
Implement logging, metrics and distributed tracing aligned with the organization’s observability standards.
Identify and resolve scalability, reliability and performance issues during development and testing.
Create and maintain technical documentation, API specifications and implementation notes.
Use enterprise-approved generative AI tools responsibly to improve development, testing and documentation productivity, while validating all generated output.

Qualifications

Minimum 7 years of professional software development experience in enterprise environments.
Minimum 5 years of hands-on backend development experience with C# and .NET / .NET Core.
Minimum 3 years of hands-on experience with ASP.NET Core.
Minimum 3 years of experience designing and implementing REST APIs and system-to-system integrations.
Minimum 2 years of practical experience with relational databases, including Oracle and SQL.
Minimum 2 years of experience with messaging or event-driven solutions, preferably Apache Kafka.
Minimum 2 years of experience with Docker and container orchestration platforms such as Kubernetes or OpenShift.
Proven experience delivering business-critical enterprise applications through the full software delivery lifecycle.
Experience in banking, financial services or another highly regulated industry is strongly preferred; minimum 2 years is preferred for candidates presented as banking-experienced.

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