Lead Java Full Stack Engineer

• Full Stack Developer with a strong technical foundation in Angular, Java,Spring MVC, JPA. Spring Boot, REST API, Database, and CI/CD pipelines, Playwright
• Design, develop, and maintain full-stack applications using Angular (front-end) and Java Spring Boot (back-end). * At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
• Experience with Web Service development, REST and Services Oriented Architecture.
• Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
• Working knowledge of Databases including Design, SQL proficiency.
• Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
• Experience with Unix/Linux Operating System and Basic Linux Commands.
• Strong development skills with ability to understand technical design and translate the same into workable solution.
• Basic knowledge of Python/Python scripting
• Build, deploy, and monitor applications using CI/CD pipelines.
• Experience with agile development methodology.
• Good to Have Elastic Index Database, MongoDB - No SQL Database Docker Deployments, Cloud Deployments 

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 Summary:

As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining robust full-stack applications using MongoDB, Express.js, React.js, and Node.js. With 5+ years of experience, you’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions.

Key Responsibilities:

• Build end-to-end web applications using the MERN stack
• Write clean, maintainable, and efficient code
• Integrate RESTful APIs and third-party services
• Optimize applications for maximum performance and scalability
• Collaborate with product, QA, and DevOps teams throughout the SDLC
• Participate in code reviews, troubleshooting, and improvement initiatives

Required Skills & Qualifications:

• 5+ years of experience in full-stack development with MongoDB, Express, React, and Node.js
• Strong JavaScript/TypeScript skills (ES6+)
• Solid understanding of RESTful APIs, MVC architecture, and microservices
• Experience with Git and Agile methodologies
• Familiarity with responsive UI/UX best practices

Preferred Skills:

• Exposure to cloud platforms like AWS or Azure
• Experience with CI/CD pipelines and testing frameworks like Jest or Mocha
• Familiarity with containerization tools like Docker/Kubernetes

JD: 

Designation :

Senior Software Engineer - Web application developer.Net (C#, ASP.Net) Web Application Developer Job

Educational Qualifications :

Engineering degree (in Computers) or MCA or M.Sc (in Information Technology

or Computer Science) or any Degree with equivalent work experience.

Experience :

• 4 - 7 years of strong working experience in advanced .NET technologies (Full

Stack Development)

Technical Qualification

• Should have at least 4 years of strong working experience in .NET technologies
• Proven working experience with Full Stack development
• Strong working experience with UI and JS frameworks like AngularJS,

ReactJS, TypeScript, CSS, SASS, Bootstrap etc. (all latest versions)

• Strong working experience with Azure environments/Services (Blobs,

queues, Storage, VMs, App service environments, Azure App services .NET

Core etc...)

• C#, Net 6, Web API
• Strong understanding of Dependency Injection
• Proven track record/Solid Hands-on experience with building projects from

scratch

o Setting up framework components

o Configurations

o Visualize DB Structure and design them

• Working experience with SQL Server 2019 and ADO.Net
• Hands-on experience with any No-SQL Database is a plus

1. Responsibilities 

   • • Collaborate with the core team building a state-of-the-art blockchain based SaaS. 
   • • Building front-end web applications using latest technologies. 
   • • Suggest and ideate high- and low-level design and architecture requirements for implementation of features. 
   • • Apply comprehensive knowledge and a thorough understanding of concepts, principles, and technical capabilities to perform varied tasks and projects. 
   • • Backend RESTful API Design and server-side development for web and mobile apps. 
   • • Develop and design database schemas on MongoDB. 
   • • Perform code reviews and unit tests to ensure code consistency and maintainability. 
   • • Setup alerts, monitoring & metrics, provision and manage resources on AWS Cloud. 

    

   Minimum Qualifications 

   • • Passion to solve complex problems of agriculture in a dynamic start-up environment 
   • • Flexible, curious, exploratory, and can-do attitude 
   • • Great sense of ownership and ability to work with very limited supervision 
   • • Bachelor's degree in Computer Science, related technical field, or equivalent practical experience. 
   • • 2-5 years of hands-on coding expertise in software engineering. 
   • • Experience with JavaScript, HTML, CSS. 
   • • Ability to speak English fluently. 

    

   Preferred Qualifications 

   • • Strong programming experience of 2+ years with Node.js, Express.js, MongoDB and Angular stack. 
   • • Strong problem solving/troubleshooting skills. 
   • • Experience with software design and architecture for building highly efficient and scalable systems. 
   • • Experience with MongoDB Atlas for database hosting and storage. 
   • • Experience with SDLC in an Agile work environment using tools like Jira and GitHub. 
   • • Experience with AWS Services like ECS, EKS, EC2, S3, Lambda, Load Balancing, Route 53, API Gateway along with Infrastructure provisioning and optimization. 
   • • Knowledge and experience of NoSQL Databases is a must. 
   • • Experience with DevOps, CI/CD pipelines on Jenkins, GitHub Actions, etc. 
   • • Experience with containerization environments like Docker & Kubernetes. 
   • • Experience with Material Design is an advantage. 
   • • Experience with TDD is an advantage. 
   • • Experience or familiarity of blockchain protocols like Hyperledger Fabric a big advantage. 

What can you expect?

You will be part of the founding team at LDU and will be responsible for the end-to-end technology of the company including:

- Work with the founders on cutting edge technologies, including AI/ML, blockchain, computer vision, etc. across the tech-stack.

- Formulate long-term technology & product strategy along with implementation roadmap, while envisioning the tech-stack

required to scale the business 100X

- Architecting and engineering solutions across the entire technology stack including front-end, back-end, infrastructure,

architecture, server-side engineering, UI, etc. in line with the company's strategy.

- Work on the D2C website and enhance the user experience while increasing the company's online presence.

- Provide help to everyone in the team and greatly reduce the time and technical costs of team communication, technology

docking.

- Plan and collaborate with the other teams including marketing/ growth, customer success/ sales, design, operations, etc. to

implement new product features, growth hacks/ initiatives identified through user interviews/ insights, etc in a timely manner.

- Will be involved in a horizontal technical requirement, so should be able to make a prototype design for a product very rapidly

while executing the same with a wide range of techniques.

- Build processes/mechanisms to track the KPIs across product/ technology and ensure religious execution of the targets

- Build and lead the technology team including the engineering team, product team, Quality Assurance, etc.

- Awesome work-culture (flexible work timings; no need to wear formals; awesome snacks to name a few)

What are we looking for?

We are looking to onboard a Full Stack Software Engineer, who has a founder's mindset including the following traits:

- Experience of full stack development across web & mobile based technologies and should have scaled a business

- Ability to work across stacks like MEAN, MERN, LAMP, etc. seamlessly

- Ability to build scalable products/ platforms, fully redundant fault tolerant infrastructure while working on modern technologies.

- Versatile Developer/Engineer that can help on both ends of the website development and better the same by enhancing user

experience.

- Ability to Code in both frontend and backend of the site

- Stronghold in both front-end & back-end development/ algorithms with experience of building agile, highly scalable, data-driven

platforms from scratch

- Ability to be hands-on with coding across big data, mobile apps, AI & ML, analytics, DevOps, business intelligent solutions, etc.

apart from strategically guiding/ mentoring the team

- Stronghold in executing stuff on the ground and hustle around to Get things done

- Ability to think and see the big picture while focusing on short term goals and deliverables

- Leadership qualities to hire and build a kick-ass technology/ product team going forward

- Experience as a founder/ being part of founding team is huge plus but not mandatory

- Experience in the Fashion/ Apparel industry is a plus but not mandatory

Requirements

• High self motivation to lead & build projects from beginning to end;

• You've shipped multiple products and are willing/able to demonstrate how you solved specific problems to solve users needs;

• Excellent communication in presenting your code and communicating what problems they are solving while giving/receiving feedback;

• Ability to quickly grasp goals and requirements from light specifications;

• Must be able to effectively & efficiently work with stakeholders spreads across many timezones;

• 3+ years of experience working in a modern commercial web development environment and shipping solid product;

• Proficiency using HTML/CSS/Javascript/AJAX;

• Solid understanding of the full web technology stack (e.g. HTTP, cookies, asset loading, caching, REST, Thrift);

• Past experience or familiarity with architectural patterns of large, high-scale web or mobile applications;

• Experience building and using continuous development environments; • Demonstrated design and UX sensibilities;

• Rigor in A/B testing, test coverage, and other web best practices;

• Analytical and strong quantitative skills, plus experience combining code and math;

• Familiar with most of the following: Microsoft Stack, Python, Node.js, Docker, AngularJS.

Perks

Ground floor opportunity with the team; shape the strategic direction of the company.

Work with sharp, motivated and passionate co-workers spread across many regions.

Rare opportunity to make real positive impact on the world!

Minimum Qualifications:

• Minimum 5 years of experience with Java platform and technologies.
• Minimum 5 years of experience with HTML5, CSS and Angular.
• Experience with enterprise level application design and development is a must.
• Expert level knowledge in Java Spring framework, JHipster, PostgreSQL, HTML5, Angular, CSS
• Must have previously worked in an environment using version control systems such as Bitbucket.
• Good knowledge of RDBMS such as Postgres and MySQL. Should be proficient in SQL and assessing performance of queries. Some ability to monitor and maintain the database is needed.
• Experience with AWS RDS is MUST.
• Minimum 3 years of experience deploying Java applications on the AWS cloud.
• Ability to handle front-end development (Angular JS) is a MUST.
• Experience working with Monday, Atlassian project management tools (JIRA/Bitbucket/Confluence) or similar is a must.