Position Summary:Haventree is looking for a
Senior Software Engineer (Full Stack) to join our fast-growing team. In this role, you will design and build end-to-end solutions that power our customer-facing web and mobile applications. You will work across both backend and frontend layers, developing scalable APIs and building high-quality user experiences. In this role, you will be responsible for delivering high-quality, scalable full-stack solutions while leading technical discussions, setting engineering standards, and mentoring other engineers. You will drive full lifecycle development-from system design and architecture to implementation and deployment ensuring best practices across backend services and frontend/mobile applications. As a senior engineer, youll proactively identify areas for improvement, propose innovative solutions, and ensure the maintainability, scalability, and performance of the codebase. You will prioritize testability, observability, and security throughout the development process.
Major Duties & Responsibilities:- Design, develop, test, refactor, and scale full-stack applications, including backend services and frontend/mobile interfaces
- Build and maintain RESTful APIs and microservices using Spring Framework (Spring Boot)
- Develop responsive and performant web applications using React and mobile applications using React Native
- Collaborate with cross-functional teams (product, design, engineering) to understand user needs and deliver impactful solutions
- Lead technical design and architecture discussions across both backend and frontend domains
- Maintain high code quality through code reviews, automated testing, and best practices
- Mentor junior engineers and contribute to a culture of continuous learning and improvement
- Drive adoption of modern engineering practices, including CI/CD, monitoring, and observability
Qualifications & Experience: - Bachelors or Masters degree in Computer Science, Engineering, or a related field
- 4+ years of experience building full-stack applications in a production environment at scale
- Strong experience with Java and Spring Framework (Spring Boot) for backend development
- Hands-on expertise with React (web) and React Native (mobile development)
- Familiarity with Azure, SQL/NoSQL databases, Terraform, GitHub, and CI/CD pipelines
- Solid understanding of scalable system architecture and modern web/mobile application design patterns
- Experience with testing frameworks across the stack (unit, integration, and UI testing)
- Strong problem-solving skills and ability to work in a fast-paced, collaborative environment
- Start-up or high-growth environment experience is a plus
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