Full Stack Developer
Senior full stack developer role that is ~80% backend / 20% frontend: building scalable Java and Spring Boot services and REST APIs over NoSQL data (OpenSearch), with some React/Next.js feature work on modern identity and access-related platforms. Includes mentoring juniors and contributing to architecture decisions.
- Compensation
- Not disclosed
- Location
- Romania
- Work setup
- Remote
- Seniority
- Senior
- Employment
- Not specified
- Experience
- Not specified
- Category
- Fullstack
- Posted
Skills
Must have
- Strong experience as a Senior Full Stack or Backend Developer with frontend exposure
- Solid hands-on expertise in Java and Spring Boot
- Proven experience designing and implementing REST APIs
- Experience with NoSQL databases (preferably OpenSearch or similar)
- Ability to consume data from OpenSearch (indexing strategy knowledge not required)
- Practical experience with ReactJS or Next.js, including working with design systems
- Strong backend-first mindset and system thinking
- Familiarity with cloud environments and microservices architectures
- Ability to quickly understand new domains with minimal ramp-up time
- Proactive attitude, ownership mindset, and strong collaboration skills
- Experience working in Agile environments
Nice to have
- Knowledge or hands-on experience with Identity and Access Management (IAM) concepts
- Experience with authentication/authorization platforms such as Auth0
- Experience with observability, logging, and performance monitoring tools
Full description
About the role
We are looking for a Senior Full Stack Developer with a strong backend focus to join our engineering team. This role is primarily backend-oriented (approximately 80% backend / 20% frontend) and is ideal for engineers who are proactive, quick to learn, and comfortable taking ownership of complex technical challenges.
You will work alongside a team that includes both senior and junior developers, contributing to building scalable services, improving system performance, and supporting the evolution of modern identity and access-related platforms.
What you'll do
- Design, develop, and maintain scalable backend services using Java and Spring Boot
- Build and enhance RESTful APIs for internal and external integrations
- Consume and process data from OpenSearch or other NoSQL data sources
- Collaborate with frontend developers to implement React / Next.js features, with a backend-first mindset
- Contribute to system architecture discussions and technical decision-making
- Write clean, maintainable, and testable code following engineering best practices
- Support performance optimization, troubleshooting, and production issue resolution
- Mentor junior developers and promote strong engineering standards within the team
- Work closely with product managers, designers, and other stakeholders to deliver high-quality features
What we're looking for
- Strong experience as a Senior Full Stack Developer or Backend Developer with frontend exposure
- Solid hands-on expertise in Java and Spring Boot
- Proven experience designing and implementing REST APIs
- Experience working with NoSQL databases (preferably OpenSearch or similar technologies)
- Ability to consume data from OpenSearch (indexing strategy knowledge is not required)
- Practical experience with ReactJS or Next.js, including working with design systems
- Strong backend-first mindset and system thinking
- Familiarity with cloud environments and microservices architectures
- Ability to quickly understand new domains and contribute with minimal ramp-up time
- Proactive attitude, ownership mindset, and strong collaboration skills
- Experience working in Agile environments
Nice to have
- Knowledge or hands-on experience with Identity and Access Management (IAM) concepts