Full Stack Engineer

Software Engineer LLM Post-Training & Evaluation (Fullstack)

Company: Ethara AI

Location: Gurgaon (Work From Office)

Employment Type: Full-Time

Experience Required: 24 Years

About Us

Ethara AI is a leading AI and data services company in India, specializing in building high-quality, domain-specific datasets for Large Language Model (LLM) fine-tuning. Our work bridges the gap between academic learning and realworld AI applications, and we are committed to nurturing the next generation of AI professionals. Role Overview:- We are looking for experienced Fullstack Software Engineers who can contribute to post training AI development workflows with strong proficiency in coding tasks and evaluation logic. This role involves working on high-impact AI infrastructure projects, including but not limited to:

Code generation, validation, and transformation across Python, Java, JavaScript, and modern frameworks Evaluation and improvement of model-generated code responses

Designing and verifying web application features, APIs, and test cases used in AI model alignment

Interpreting and executing task specifications to meet rigorous quality benchmarks

Collaborating with internal teams to meet daily throughput and quality targets within a structured environment.

Key Responsibilities:-

Work on fullstack engineering tasks aligned with LLM post-training workflows

Analyze model-generated outputs for correctness, coherence, and adherence to task requirements

Write, review, and verify application logic and coding prompts across supported languages and frameworks

Maintain consistency, quality, and efficiency in code-focused deliverables

Engage with leads and PMs to meet productivity benchmarks (89 working hours daily)

Stay updated with AI development standards and contribute to refining internal engineering processes

Technical Skills Required:-

Proficient in one or more backend languages: Python, Java, Node.js

Strong experience in frontend technologies: React.js, HTML/CSS, TypeScript

Familiarity with REST APIs, testing frameworks, and Git-based workflows

Ability to analyze, debug, and rewrite logic for correctness and clarity

Good understanding of model response evaluation and instruction-based coding logic

Qualifications:-

Bachelors or Masters degree in Computer Science, Engineering, or related field

24 years of experience in a software development role (Fullstack preferred)

Prior exposure to AI/LLM environments or code-based evaluation tasks is a plus

Excellent written communication and logical reasoning abilities

Comfortable working from office in Gurgaon and committing to 89 hours of productive work daily

Why Join Us

Be part of a high-growth team at the forefront of LLM post-training development

Work on real-world AI engineering problems with production-grade impact

Competitive compensation with performance-driven growth opportunities

Structured workflow, collaborative culture, and technically challenging projects

How to Apply : Please share your resume at with the subject line: Application Software Engineer (LLM Post-Training)