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Qualitest
Posted 1mo ago

Senior Full Stack Developer

Qualitest
qualitestgroup.comView all open roles
Bucharest, Bucharest, Romania
OnsiteFull Time
Responsibilities
  • designing systems
  • developing applications
  • integrating technologies
Requirements
  • 5+ years Java development
  • 1+ year React JS
  • Spring Boot/Spring Integration
  • Experience with Kafka/Rabbit/Redis
  • NoSQL or relational DBs
  • Strong analytic and algorithmic skills
Technical tools mentioned
JavaReact JSSpring BootSpring IntegrationKafkaRabbitRedisElasticsearchSolrMySQLPostgressOracleSQL ServerApache FlinkGraphQLClaude CodeCodexClaude Cowork

Job description

Senior Full Stack Developer

Date: 
1 Jul 2026
Company: 
QualityAI
Country/Region: 
RO

QualityAI is the leading AI-first quality engineering company.
We deliver end-to-end quality management services across the business and technology life cycle for enterprise customers who need certainty at Go-Live. We build and test services and products using AI, working across data, models, platforms, devices, and infrastructure to ensure those systems perform as expected at scale. 

 

And we are looking for a dynamic team player with hands-on coding ability, who can understand and design complex solutions while collaborating with the team members in a fast-paced R&D environment.

 

What You'll Do as a Senior Full Stack Developer 

  • Design, develop, and maintain scalable full-stack applications using modern backend and frontend technologies
  • Build robust, high-performance backend services and APIs with a focus on scalability, reliability, and maintainability
  • Develop intuitive and responsive user interfaces using React JS
  • Collaborate closely with software engineers, and product stakeholders to design and implement complex technical solutions
  • Contribute to system architecture, technical design discussions, and continuous improvement initiatives
  • Integrate messaging, caching, and data storage technologies to optimize application performance
  • Design and implement distributed, event-driven systems and orchestration workflows
  • Leverage AI-assisted development tools and modern engineering practices to improve productivity and code quality
  • Participate in code reviews, knowledge sharing, and mentoring within the development team

 

Required Qualifications 

  • Strong analytic and algorithmic skills suitable for understanding and designing complex backend architectures
  • 5+ Years of Java Development experience
  • At least 1 year of experience with React JS or other framework 
  • In depth experience with Spring Boot, Spring Integration
  • Experience with Messaging systems: Kafka, Rabbit, Redis
  • Experience with at least 1 between NoSQL DB (Elasticsearch / Solr) and Relational DB (MySQL, Postgress, Oracle, SQL Server)

 

A plus if you have:

  • Experience with Distributed Cache: Redis/Ignite or other Distributed Cache solution
  • Experience with working / designing orchestrators using Apache Flink or other tools
  • Experience with Agentic Coding (Claude Code / Codex) and AI System Design (Claude Cowork or equivalent)
  • Experience with GraphQL

 

Benefits

  • Private health subscription + hospitalization package
  • Private dental subscription
  • Gym subscription
  • Bookster
  • Vouchers/bonuses for special events (birthday, Christmas, Easter, etc)
  • Meal vouchers of 35 RON/working day
  • Ability to work with a global company and immerse in a variety of international projects with different cultures within the IT industry
  • Access to cutting-edge and state-of-the-art technologies current with the everyday evolvement of technologies
  • Development opportunities with free access to over 3000+ training courses and peer-to-peer mentoring support

About Qualitest

AI-powered software testing and quality engineering services.

Year founded
1997
Employees
8000
Industries
IT ServicesSoftware Development
Activities
Software testingQuality engineeringTest automationPerformance testingCyber security testing
Organization type
Private
Latest investment
Raised $420.00M Private Equity (2019) — led by Bridgepoint
Subsidiaries
TelexiomOlenickComplyQA InfoTech
Headquarters
GB

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