Careers
YEJIN is a team solving the problem of 'connection' at the forefront of AI technology. We want to work with people who look for better questions rather than finished answers.
Culture
We speak through evidence and results, not job titles.
We prefer small experiments and fast learning over perfect plans.
Code reviews, knowledge sharing, and retrospectives are the basics of how we work.
Positions
We are currently hiring for 9 positions. Select a position to see its responsibilities and requirements.
Build the ZeliAi web service with React and Next.js and elevate the user experience.
Design and operate ZeliAi's APIs and service infrastructure with Django and FastAPI.
Build domain-specific AI agents with LLM orchestration and multimodal search.
Develop hybrid apps that integrate STT/TTS and on-device sLM in real time.
Internalize lightweight, high-speed inference through sLM fine-tuning and multi-model orchestration.
Design YEJIN's interfaces, from the homepage to web and mobile services.
Design the foundation for the company's growth, from business plans and IR to intellectual property and strategic partnerships.
Jointly lead ZeliAi's service planning and the growth of brand awareness.
Own financial administration end to end, from closing and taxes to government-subsidy settlements.
Conditions
Full-time (3-month internship for experienced hires)
Seoul headquarters (Samjeon-dong, Songpa-gu) corporate research institute
09:00 - 18:00
Per internal policy — we operate an advanced HR evaluation system and, following our contribution-first compensation rules, provide salary-increase opportunities through HR evaluations held four times a year.
Benefits
The four major insurances and statutory benefits, salary and promotion rewards based on performance evaluations, long-term stock options for key talent, and top-priority employee stock ownership for outstanding employees.
Support for AI, technology, and business education and skill development, coverage of costs for attending conferences and seminars and taking online courses, and opportunities to participate directly in core ZeliAi projects.
Long-service awards, outstanding-employee awards, project performance bonuses, one overseas workshop per year, and one domestic workshop per year.
Children's tuition support, congratulatory bonuses for birthdays, marriage, childbirth, and children's school entrance (regardless of the number of children), a paid half-day early leave on your birthday, and regular health checkups.
A newly built office with the latest facilities, a cafeteria with cooking facilities and snacks provided, and an autonomous work atmosphere where creativity can flourish.
Process
We review applications in the order received and notify you individually of the results at each stage.
We notify candidates individually of interview schedules, for successful applicants only.
Conducted as needed, for development roles only.
We assess both job capability and how you collaborate.
We coordinate the start date after discussing terms.
Please submit your application through the recruiting inquiry below. Documents you submit are used only for the hiring process and no other purpose.
Please apply through 'Recruiting Inquiry' at the bottom of the careers page, indicating the position you'd like to apply for and attaching your application documents such as your resume and portfolio.
You can review the responsibilities and requirements under the open positions on the careers page. If you're interested in a role that isn't posted, please leave us an inquiry.
Please prepare a resume and cover letter, a career description (for experienced applicants), and a portfolio (required for design and development roles).
The process proceeds as application review → coding test (development roles only, as needed) → technical and practical interview → final offer, and we provide individual updates on the results at each stage.
We notify the next stage's schedule individually, for successful applicants only. The documents you submit are used solely for hiring purposes and are managed securely in accordance with relevant laws.
Leave an inquiry with the position you're interested in, and we'll review it and get back to you.