We are looking for Full Stack Engineers (Junior to Lead level) who are passionate about coding and building high-quality systems.This role focuses heavily on backend development (80%) using Node.js or Go, with frontend development in React.You will join a strong engineering-driven environment, work closely with cross-functional teams, and contribute to scalable, high-performing products.Lead-level candidates will still be hands-on (around 70%) while supporting the team.ResponsibilitiesDevelop and maintain backend services using Node.js or GoBuild and support frontend applications using ReactWrite clean, high-quality, maintainable codeParticipate in code reviews and follow engineering best practicesCollaborate with team members to design and implement scalable solutionsTroubleshoot, debug, and optimize performance across applicationsContribute to improving development processes and technical standardsFor Senior/Lead: mentor team members and influence technical decisionsFor Lead: provide technical guidance while remaining hands-onQualifications (Junior → Lead)Experience in backend programming with Node.js or GoExperience in frontend development with ReactStrong understanding of modern development practices, Git, APIs, and CI/CDPassion for coding and solving technical problemsGood communication and teamwork skillsAbility to work in a collaborative engineering cultureEnglish communication: conversationalSenior/Lead: experience mentoring others and contributing to architectureLead: ability to manage technical direction while coding ~70%Interested candidate, please submit your most recent resume in English by simply clicking “APPLY NOW'JAC Recruitment Ltd.10F, Emporium Tower, 622, Soi 24, Sukhumvit Road, Klongton, Klongtoey, Bangkok 10110#LI-JACTH#citybangkok