React.js Developer

Company: Ethara AI

Location: Gurgaon (Work From Office)

Employment Type: Full-Time

Experience Required: 2–4 Years

Open Roles: Software Engineers (Python 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 real world AI applications, and we are committed to nurturing the next generation of AI professionals.

Role Overview:-

We are looking for experienced Python 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:-

 Strong proficiency in Python and nice to have: 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

Job Title: Senior .NET Developer

Location: Kolkata

Job Type: Full-time

Experience: 8-15 years

Job Description:

We are seeking a highly skilled Senior .NET Developer with 8 -15 years of experience to join our team. The ideal candidate will have a strong command of .NET development and excellent communication skills to effectively collaborate with cross-functional teams and stakeholders.

Responsibilities:

• Lead the design, development, testing, and deployment of high-quality .NET applications.
• Mentor junior developers and provide technical guidance and support.
• Collaborate with project managers, business analysts, and stakeholders to gather requirements, define project scope, and contribute to system architectural design and planning discussions.
• Communicate effectively with team members, stakeholders, and clients to understand project requirements, provide updates on project progress, and participate in Code Reviews with Peers/Technical Lead.
• Stay updated with the latest technologies, trends, and developments in .NET development and implement best practices, coding standards, and design patterns to ensure robust and scalable solutions.
• Troubleshoot and debug issues to maintain the stability and performance of existing applications, identify issues, conduct root cause analysis, and recommend/implement solutions.
• Document technical specifications, system architecture, and development processes, and develop relevant documentation around the solutions.
• Estimate and develop scalable solutions using .Net technologies in a highly collaborative agile environment with strong experience in C#, ASP.net Core, Web API, Develop SP, query, and table schema in SQL Server, and perform unit, integration and system testing to ensure quality release of the product.
• Contribute to system architectural design and planning discussions.
• Take initiative and ownership to drive development projects and invest in self-development.
• 4-6 years of experience designing and developing n-tier Web applications using .Net Framework, .Net Core, ASP.Net, WCF and C#, MVC 4/5 Web Development, RESTful API Services, Web API and JSON.
• Exposure to Agile Scrum and associated framework, User Stories/product backlog, and TFS/JIRA Usage.
• Knowledge of scripting frameworks like ReactJS, and experience with source control like Git or Bitbucket is preferred.
• Proven experience with AJAX, jQuery, JavaScript, and CSS, knowledge of SOLID principles, and working experience with design principles including design patterns.
• Good exposure to one or more implementations of CI & CD using Jenkins, and Docker containerization.
• Knowledge of API development with an understanding of HTTP and REST architecture.

Eligible Criteria:

• Excellent verbal and written communication and organizational skills, keen attention to detail, and multi-tasking abilities.

· Bachelor's degree in Computer Science, Engineering, or a related field.

· 5-10 years of professional experience in .NET development.

· Extensive knowledge and experience with C#, ASP.NET, MVC, Web API, and SQL Server.

· Proficiency in Azure cloud & related environments

· Experience working in Agile methodologies and collaborative team environments.

· Excellent problem-solving skills and attention to detail.

· Ability to work independently and as part of a team, with a proactive and positive attitude.

· Familiarity with front-end technologies such as HTML5, CSS3, JavaScript, and frameworks like ReactJS is a plus.

· Certifications in .NET development or related technologies are desirable but not required.

Benefits: Salary as per Market standard, PF, Medical insurance for permanent employees.

Employment Type

Full-time

• Strong knowledge in .NET application development with hands-on experience in .Net core and azure.
• Good knowledge in front-end design (HTML5, CSS (SASS/LESS), Bootstrap, JQuery.
• Develop code based on design/architectural patterns, adhere to coding standards.
• Experience in developing and using RESTful Services and APIs.
• Knowledge of using Git and Version Control Systems.
• Testing and debugging with unit tests.
• Understanding of Agile methodologies. 
• Mandatory skills: NET Core, http://asp.net/" target="_blank">ASP.NET, C#, LINQ, Entity Framework, MS SQL, HTML5, JavaScript, jQuery.

Job Overview      :

This Jr. Developer position has design, development and maintenance    responsibility for the software applications and processes associated with our product oriented company. This role will initially focus specifically on the developing application as per requirements provided by the product owner.

Job Responsibilities:

1. Understand our client's infrastructure and technical environment to provide best of breed technical consulting services.
2. Diligently monitor, optimize and report on integration and deployment performance for key accounts against KPIs, with proactive cross functional and internal communication on customer deployments.
3. Regular consultation with cross functional teams on account deployments to ensure optimal performance and delivery.
4. Handle technical troubleshooting

Job Requirements:

1. B.E/B.S/B.Tech in Computer Science or Computer Engineering.
2. Must have minimum 2-4 years of experience in the Angular-Node-PostgreSQL tech stack.  (proof of experience to be submitted for verification on request)
3. Should have worked on Architect / Consultant role in the tech stack.
4. Proficient in Object Oriented Programming.
5. Experience in performing SQL queries on a RDMS especially in PostgreSQL.
6. Extensive experience in Angular Front end and Node – Express server side.
7. Good at API development & integration, debugging and fixing the issues with API.

Your skills and experience should cover:

• Excellent programming skills using JavaScript or TypeScript

• 2+ years of relevant software engineering experience

• Proven Node.JS programming skills with knowledge on how to scale huge Node.JS setups

• Experience profiling and optimizing Node.JS applications

• API design and development best practices

• Restful web services, service-oriented architectures

• SQL and NoSQL expert

• Hands-on experience with developing automated tests

• Test-driven development (TDD)

• Experience with SCM systems like Git/SVN

• Experience in Agile software development and continuous Integration systems like Jenkins

The following areas are highly advantageous:

• Experience with Express and Knex

• Experience with Loopback (https://loopback.io/" target="_blank">https://loopback.io/ TypeScript framework)

• Experience/Interest with MySQL or PostgreSQL database