Senior Product Developer

Job description

Opportunity to work on cutting-edge tech pieces & build from scratch

Ensure seamless performance while handling large volumes of data without system slowdowns

Collaborate with cross-functional teams to meet business goals

Required Skills:

Frontend: ReactJS (Next.js must)

Backend: Exp in Node.js, Python, or Java

Databases: SQL (must), MongoDB (nice to have)

Caching & Messaging: Redis, Kafka, or Cassandra exp

Cloud certification is a bonus

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 the Company

Our client is a leading manufacturer of TMT Bar and exporter in India. They are a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform. Merito, a curated talent platform is responsible to identify key resources for this project.

Job Location: Kolkata

Job Description

• Full stack e-commerce developer is responsible for writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performance applications 
• Implementation of security and data protection 
• Understanding of performance testing and optimization techniques 
  
  

Requirements

• Fullstack developer should have the ability to translate Wireframes and PSD Designs into functional web apps.
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• Fullstack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Full developer must have the ability to wear many hats and learn new technologies quickly
• Understanding & proficiency in REST APIs.
• Fullstack developer should know Git Repository and Jira.

Responsibilities:

• Collaborate with cross-functional teams to design, develop, and deliver robust and scalable web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).

• Translate user requirements and wireframes into ecient and responsive front-end components while ensuring high performance and usability.

• Develop and maintain server-side logic using Node.js and Express.js, ensuring smooth integration with the front-end components.

• Design and implement data models, schemas, and queries for MongoDB, and manage database interactions effectively.

• Write reusable, testable, and efficient code following best practices and coding standards.

• Perform unit and integration testing of both front-end and back-end components to ensure reliability and quality of the application.

• Troubleshoot, debug, and resolve issues that arise during development, testing, and deployment phases.

• Stay up-to-date with industry trends and technologies, and proactively suggest improvements to enhance application performance, security, and maintainability.

• Participate in code reviews, provide constructive feedback, and mentor junior developers when necessary.

• Contribute to the continuous improvement of development processes, tools, and methodologies.

Job brief

We are looking for a full stack developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a full-stack developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.

If you’re also familiar with Agile methodologies, we’d like to meet you.

Responsibilities

• Work with development team to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation

Skill Set required

• Proven experience as a full-stack developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of Node.js and multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks like ES6.
• Familiarity with MongoDB, web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field

You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.‍

• Design and develop SaaS-based applications based on microservices architecture.
• Work on the core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Design and develop APIs for the frontend to consume.
• Constantly improve the application architecture by clearing the technical backlog.
• Meet both technical and consumer needs.
• Stay abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices to combine server and frontend.
• Knowledge of cloud architecture.
• Should have working experience with relational and columnar DB.
• Should be innovative and communicative in your approach.
• Were responsible for the functional/technical track of a project.

You will closely work with the Engineering team and support the Product Team of Empuls.

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the comprehensive benefits that  offers.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners and consumers for better business results.

What is Pocketbits?
India's Oldest Active Cryptocurrency Exchange. Born in 2016, PocketBits takes pride in being India's oldest operating Crypto Exchange. Our strategy focuses on providing unprecedented support and innovative products for all our global user base. We are solely a product-based company wherein we build and develop our own line of products and currently operate primarily in the Cryptocurrency and Blockchain space.

Visit us at: https://pocketbits.in/.">https://pocketbits.in/

What is in it for you?

Working in a hyper-growth community of young, adventurous, and enthusiastic minds who passionately own and love what they do will be an excellent spot. You'll have absolute freedom to pursue your objectives without constraints, and you'll get a front-row seat to the cryptocurrency revolution while we make history.

Domain: Fintech ( Cryptocurrency)

Experience: 1-3 years 

What do we expect:

• Experience with the MERN stack (MongoDB, Docker, Express.JS, React.JS, and Node.JS)
• Excellent JavaScript skills and strong proficiency in React
• Experience building backend APIs using NodeJs and ExpressJs
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework, and Redis
• Experience with Web sockets, KAFKA, and related frameworks
• Experience with Blockchain-related developments is a plus.
• Understanding accessibility and security compliance.

What will you do :

The duties and responsibilities of a selected applicant would include:

• Designing and building scalable applications from end to end.
• Seeing through a project from conception to finished product.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Designing and developing APIs.
• Testing and fixing bugs or other coding issues.
  
  
  

Required Experience and Skills:

• Hands-on experience in ReactJS 6.x+, HTML5, CSS, Bootstrap, Node js
• 1+ years of experience in cross-browser compatible responsive web application development using React.
• Good knowledge about Reactive programming using RxJS and Redux.
• Knowledge and use of Restful web services, Gulp / Grunt.
• Experience working with debugging/testing tools like Firebug Lite, Chrome or Safari web inspectors.
• Version Control – GIT
• Servers / Application frameworks – Apache / Nginx / ExpressJS
• Selecting and deploying appropriate CI/CD tools
• Strive for continuous improvement and build continuous integration, continuous development, and constant deployment pipeline (CI/CD Pipeline)

Responsibilities:

• Ability to translate Wireframes and PSD to high quality designs and functional web apps using HTML5, ReactJS, Node.js, and Mongo
• Develop interactive, user-friendly applications using the ReactJS
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• Architect scalable web architectures
• Developing for Back-end Web Applications using NodeJS and Express
• Creating servers and databases for functionality
• API design, creation and integrations
• Staying abreast of developments in web applications, app development and programming languages
• Effective communication with different stakeholders.