Senior/Middle Fullstack JavaScript Developer (Fluent in English)

Home - Careers - Senior/Middle Fullstack JavaScript Developer (Fluent in English) Senior/Middle Full-stack JavaScript Developer (Fluent in English) Home - Careers - Senior/Middle Fullstack JavaScript Developer (Fluent in English) Senior Full-stack JavaScript Developer (Fluent in English) Learn more about us LOCATION: Hanoi, HCMC Job Description We are looking for a Senior/Middle Fullstack JavaScript Developer to lead the development of scalable web applications with blockchain integration. You will drive technical excellence, mentor engineers, and contribute to architectural decisions while delivering secure and high-performance systems. Design, develop, and optimize enterprise-scale full-stack applications. Architect and implement RESTful and GraphQL APIs. Lead blockchain/Web3 integrations using services such as Fireblocks, Alchemy, or similar platforms. Deploy and maintain applications on Azure. Conduct code reviews and enforce engineering best practices. Prepare technical documentation and mentor junior developers. Ensure system scalability, security, reliability, and performance. Collaborate with stakeholders to deliver high-quality products. Drive continuous improvement with a strong product mindset. Required Skills And Experience 5+ years of software development experience. Strong expertise in NestJS, NextJS, and the JavaScript/TypeScript ecosystem. Proven experience delivering blockchain/Web3-enabled applications. Strong experience with Azure cloud infrastructure and CI/CD pipelines. Solid understanding of software architecture, scalability, and system design. Experience mentoring developers and leading technical initiatives. Strong communication and stakeholder collaboration skills. Proactive, ownership-driven, and product-oriented mindset. Nice to have Experience with microservices and distributed systems. Experience with Kubernetes, Docker, and Infrastructure as Code. Knowledge of security best practices for blockchain applications. Benefits Salary: up to 50M Probation salary is 100% of official salary 13th-month salary and performance review twice a year Bonus for special occasions each year (Labor Day, National Day, Solar New year, Lunar New Year) Project Bonus IT Certificate allowance Health Care Insurance Social, health and unemployment Insurance following Government policy Enjoy company summer trips and other team building activities held monthly and quarterly Work five days per week with flexible check-in time Professional, creative and dynamic working environment CONTACT Send CV to: [email protected] Hotline: +842466666100 (Recruitment Team) Facebook GEM Careers: https://www.facebook.com/tuyendungGEM Linkedin GEM Careers: https://www.linkedin.com/company/gem-careers-hiring/