Fullstack Developer

Founding Engineer - LITMAS

About LITMAS

LITMAS is revolutionizing litigation with the first AI-powered platform built specifically for elite litigators. We're transforming how attorneys research, strategize, draft, and win cases by combining comprehensive case repositories with cutting-edge AI validation and workflow automation. We are a team incubated by experienced litigators, building the future of legal technology.

The Opportunity

We're seeking a Founding Engineer to join our core team and shape the technical foundation of LITMAS. This is a rare opportunity to build a category-defining product from the ground up, working directly with the founders to create technology that will transform the US litigation market.

As a founding engineer, you'll have significant ownership over our technical architecture, product decisions, and company culture. Your code will directly impact how thousands of attorneys practice law.

What You'll Do

• Architect and build core platform features using Python, Node.js, Next.js, React, and MongoDB
• Design and implement production-grade LLM systems with advanced tool usage, RAG pipelines, and agent architectures
• Build AI workflows that combine multiple tools for legal research, validation, and document analysis
• Create scalable RAG infrastructure to handle thousands of legal documents with high accuracy
• Implement AI tool chains to provide agents tool inputs
• Design intuitive interfaces that make complex legal workflows simple and powerful
• Own end-to-end features from conception through deployment and iteration
• Establish engineering best practices for AI systems including evaluation, monitoring, and safety
• Collaborate directly with founders on product strategy and technical roadmap

The Ideal Candidate

You're not just an AI engineer, you're someone who understands how to build reliable, production-grade AI systems that users can trust. You've wrestled with RAG accuracy, tool reliability, and LLM hallucinations in production. You know the difference between a demo and a system that handles real-world complexity. You're excited about applying AI to transform how legal professional’s work.

What We're Looking For

Must-Haves

• Deployed production-grade LLM applications with demonstrable experience in:
• Tool usage and function calling
• RAG (Retrieval-Augmented Generation) implementation at scale
• Agent architectures and multi-step reasoning
• Prompt engineering and optimization
• Knowledge of multiple LLM providers (OpenAI, Anthropic, Cohere, open-source models)
• Background in building AI evaluation and monitoring systems
• Experience with document processing and OCR technologies
• 3+ years of production experience with Node.js, Python, Next.js, and React
• Strong MongoDB expertise including schema design and optimization
• Experience with vector databases (Pinecone, Weaviate, Qdrant, or similar)
• Full-stack mindset with ability to own features from database to UI
• Track record of shipping complex web applications at scale
• Deep understanding of LLM limitations, hallucination prevention, and validation techniques

Tech Stack

• Backend: Node.js, Express, MongoDB
• Frontend: Next.js, React, TypeScript, Modern CSS
• AI/ML: LangChain/LlamaIndex, OpenAI/Anthropic APIs, vector databases, custom AI tools
• Additional: Document processing, search infrastructure, real-time collaboration

What We Offer

• Significant equity stake true ownership in the company you're building
• Competitive compensation commensurate with experience
• Direct impact your decisions shape the product and company
• Learning opportunity work with cutting-edge AI and legal technology
• Flexible work remote-first with a global team
• AI resources access to latest models and compute resources

Interview Process

One more thing: Our process includes deep technical interviews and fit conversations. As part of the evaluation, there will be an extensive take-home test that should expect to take at least 4-5 hours depending on your skill level. This allows us to see how you approach real problems similar to what you'll encounter at LITMAS.

About Us:

At Sublime Data Systems, we are dedicated to creating scalable, enterprise-level software solutions that drive innovation and growth. We are seeking an experienced Fullstack Engineer to join our dynamic team. As a core member of our cross-functional unit, you will play a pivotal role in the entire development life cycle, from conception to deployment. Your leadership will be essential in mentoring and guiding our team towards excellence. If you are passionate about coding, thrive in an entrepreneurial environment, and possess expertise in front-end and back-end technologies, we would love to meet you.

Key Responsibilities:

• Architect and develop robust, scalable, and efficient web applications using Node.js and React.js.
• Lead a team of developers in the design, development, testing, and deployment of high-performance web applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
• Stay up-to-date with emerging technologies and industry trends to drive innovation and excellence in our products.
• Conduct code reviews to ensure code quality and adherence to best practices.
• Mentor and coach team members to foster a culture of continuous learning and growth.
• Troubleshoot and resolve complex technical issues, ensuring seamless application performance.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years of experience in full-stack web development.
• Proficiency in Node.js, Express, Nest.js, React.js, and Next.js along with expertise in Typescript.
• Proven experience leading a team of engineers in a fast-paced, agile environment.
• Strong understanding of software development best practices, design patterns, and architectural principles.
• Extensive experience with front-end technologies such as HTML, CSS, and JavaScript.
• In-depth knowledge of RESTful APIs and experience with API integration.
• Expertise in utilizing modern development tools and deploying workflows, such as Git and CI/CD pipelines.
• Familiarity with message broker systems like RabbitMQ.
• Proficiency in databases such as Postgres or MySQL.
• Experience with ORM Frameworks like Sequelize or Typeform.
• Experience with microservices architecture.
• Experience with DevOps (AWS) practices
• Excellent problem-solving and debugging skills.
• Strong communication and leadership abilities.

Benefits:

• Positive work environment
• Encourage and sponsor learning and development programs
• Chance to work with advanced technology

Position: Full-Stack Developer

Experience level: 5 + years

Location: Bangalore / Hyderabad

Tech stack: Node, Loopback, React

Essential Duties:

• Design and develop technical solutions that meet user needs with respect to functionality, performance, scalability, and reliability.
• Drive department best practices, guidelines implementation, and adhering to standards.
• Build and maintain medium-sized software platforms in the cloud.
• Build elegant, maintainable, well-documented, secure code.

Good to have:

• Development using a test-driven approach, AWS

Qualifications:

• 5+ years of progressive development experience as a Software Engineer.
• Bachelor's degree in Computer Science/Engineering or equivalent work experience.
• Strong hands-on development experience in Node JS and React.
• Hands-on Experience with RESTful Webservices/API and web-based applications is preferred.
• Experience implementing solutions using Agile delivery methodologies.

Design, develop and maintain web-based services and applications using .Net Core/ASP.Net, C#, REST Web API, MS SQL Server, Entity Framework, and Dapper.  Developing highly optimized cross-browser and responsive web applications using HTML5, and CSS.  Manage the full technical life-cycle of web applications during each development phase including functional & technical design, implementation, testing, deployment and maintenance.  Developing high standard Web Applications based on functional requirements, UI/UX requirements, business logic and Web APIs.  Designing database tables, views, stored procedures, and functions to store and retrieve data most efficiently from SQL database.  Writing bug-free code with the highest coding standard.  Developing high-performance, highly secure and highly scalable Web Application.  Perform unit testing, troubleshooting, debugging and code reviews for robustness, including edge cases, usability, and reliability of the software.  Manage source code check-in, checkout, and merging code.  Taking accountability and the ability to work under pressure

Hands-on experience o of using Angular with version 7 or later o in consuming complex nested API. o in using state management (e.g. NGRX, RXJS). o in using caching. o of using component library framework integration (e.g. Angular Material). o in integrating with REST web services from the application. Knowing JSON is a must. o with Git compatible source control and working with a CI/CD pipeline.  Experience on AWS services will be added advantage.  Good experience in Standard Project Development Life Cycle.  Experience on Devextreme tools will be added advantage.  Ability/ready to work on advanced technologies like Node JS is an added advantage.  Knowledge / Experience of agile development methodologies.  Very good logical skills and problem-solving ability.  Quick learner and a good team player.  Should be able to work independently and with the team.

We are looking for a passionate full-stack developer to be responsible for all platform-related duties, from developing designs for complicated applications to analyzing code. The key responsibilities include writing and testing code, debugging programs, and integrating applications with third-party web services, optimizing applications, ensuring UI/UX feasibility, and implementing API designs and architecture.

You should know python and use server-side logic. Ultimately, you'll build highly responsive web applications that align with our business needs.

Selected day-to-day responsibilities include:

1. Writing effective, scalable, and sustainable code
2. Developing back-end components to improve responsiveness and overall performance
3. Integrating user-facing elements into applications
4. Testing and debugging programs
5. Improving the functionality of existing systems
6. Implementing security and data protection solutions
7. Assessing and prioritizing feature requests
8. Ensuring the feasibility of UI/UX designs
9. Coordinating with internal teams to understand user requirements and provide technical solutions