Full-Stack Engineer (Kotlin)

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 Responsibilities Design, develop, and maintain scalable backend services and microservice-based applications. Define and implement appropriate integration patterns between internal and external systems. Contribute to architectural decisions related to distributed systems, APIs, cloud infrastructure, and application design. Develop backend solutions primarily using Kotlin and Spring Boot. Contribute when required to frontend applications built with TypeScript, Nuxt, and NuxtUI, while maintaining a primary focus on backend development. Build and operate cloud-native workloads on Google Cloud Platform (GCP), including Cloud Run. Define and maintain infrastructure using Terraform. Participate actively in code reviews and pair programming sessions. Apply Test-Driven Development (TDD) practices and maintain high standards of automated testing. Write maintainable, modular, and well-structured code following Clean Code principles. Contribute to and continuously improve CI/CD pipelines and engineering workflows. Use AI-assisted software engineering tools and practices to improve development productivity, code quality, testing, and problem-solving. Collaborate closely with other engineers, architects, and stakeholders throughout the software development lifecycle. Document technical solutions, architectural decisions, and development processes using Confluence. Manage development activities and collaborate with the wider team using Jira, Git, and GitLab. Qualifications Strong professional experience in backend software development. Strong knowledge of microservices architecture and distributed systems. Good understanding of common enterprise integration patterns. Strong hands-on experience with Kotlin. Strong experience with Spring Boot. Experience designing and developing REST APIs and service-to-service integrations. Experience with Google Cloud Platform (GCP) and cloud-native application development. Practical experience with Cloud Run or similar container/serverless platforms. Experience with Terraform and Infrastructure as Code. Solid understanding of modern software engineering practices including: Test-Driven Development (TDD) Clean Code Code Reviews Pair Programming Continuous Integration and Continuous Delivery Strong experience with Git-based development workflows, preferably using GitLab. Experience working in collaborative development environments using Jira and Confluence. Experience incorporating AI tools into software engineering workflows. Nice to have Experience with TypeScript. Experience developing Single Page Applications. Experience with Nuxt and NuxtUI. Broader full-stack development experience while maintaining strong backend expertise. Experience designing systems deployed in containerized and serverless cloud environments. 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 *We are an equal opportunity employer and value diversity. All employment decisions are made without regard to age, gender, disability, race, ethnicity, religion, sexual orientation, or any other protected characteristic. We encourage applicants from all backgrounds to apply.*