Software Engineer – LLM Post-Training & Evaluation (Fullstack) Company: Ethara AI Location: Gurgaon (Work From Office) Employment Type: Full-Time Experience Required: 2–4 Years Open Roles: Software Engineers (Fullstack) 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 (8–9 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:- ● Bachelor’s or Master’s degree in Computer Science, Engineering, or related field ● 2–4 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 8–9 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