Senior Fullstack Engineer (React/Java)

Senior Fullstack Engineer (ReactJS/Java)
Location: Vietnam
Workplace Type: Remote
About The Role
We are seeking a highly talented and experienced Senior Full-stack Engineer (ReactJS/Java/GraphQL) to join our fast-growing remote working company. In this role, you will be responsible for leading the development of software applications and systems that meet the needs of our clients.
You will provide technical leadership in the design, integration, implementation, and transition of our enterprise SaaS human services system. This role requires a flexible design architectural approach to deliver configurability along the data creation, integrations, workflows, notifications, and data persistence. You will understand and synthesize integration requirements, and develop recommendations based on business objectives, product roadmap, solution architecture, and technical considerations.
The ideal candidate is passionate about building scalable, robust, and user-friendly applications and is comfortable working in a fast-paced, agile environment.
Key Responsibilities
Provide technical leadership in the design, integration, implementation, and transition of enterprise SaaS human services systems
Develop a flexible design architectural approach to deliver configurability along the data creation, integrations, workflows, notifications, and data persistence
Understand and synthesize integration requirements, and develop recommendations based on business objectives, product roadmap, solution architecture, and technical considerations
Contribute to the development of our platform functionality using state-of-the-art frameworks and tools
Specify and troubleshoot API integrations in an ecosystem of multiple systems
Work closely with client stakeholders, partners, product managers, creative designers, platform architects, and other software engineers
Constantly learn and use leading-edge technologies
Implement systems that will address the needs of vulnerable populations
Contribute to the highest security, extensibility, reusability, and testing standards in system architecture and software, interface, components, data structures, and algorithms specifications
Ensure code quality through comprehensive testing and adherence to best practices
Participate in code reviews and provide constructive feedback to other team members
Mentor junior engineers and share knowledge to foster a collaborative and growth-oriented environment
Required Skills & Qualifications
5+ years of software engineering experience
Proven, deep hands-on experience with React, TypeScript in production environments
Proficient in Java for multi-tier web app development
Proven track record of building and consuming GraphQL APIs, including schema design and client integration
Skilled in building microservices and adhering to OpenAPI standards
Experience with ElasticSearch, PostgreSQL, Redis, S3, Redshift, Apache Kafka, Lambda, and EMR
Experience leading major IT application implementations
Strong problem-solving skills and the ability to identify roadblocks
Familiarity with Agile, Git, IT security architecture, and testing methodologies
Knowledge of AWS/cloud deployment and scaling
Proficiency in REST APIs, GraphQL, SQL, NoSQL, and web dev concepts
Emphasis on clean, efficient, and documented code
Practitioner of TDD, CI/CD, and time management
Strong proficiency in English communication
Commitment to continuous learning
Additional Information
This is a remote position. The working time requires availability to work with US clients from 8-11 PM or 9 PM-12 AM VNT (3 hours/day, can be flexible with the rest 5 hours).