
Senior Fullstack Engineer (React & ROR)
at India's biggest and the most trusted cryptocurrency exchange
Responsibilities
• Translate business requirements and use cases into functional applications.
• Design, build and maintain efficient, reusable, and reliable Ruby and Golang code.
• Review, test, and verify code for adherence to quality and security standards.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Help maintain code quality and organization.
• Develop user-friendly web applications using React
• Build marketing-related features
Requirements
• You've got 4+ years of development experience.
• You've worked with frameworks like React, Redux, Webpack, etc.
• You're an expert in Ruby, Golang and Rails framework
• You're an expert in writing background tasks, test-driven development.
• Data-driven product development is kinda your thing.
• You're committed to quality, and your code solves more problems than it creates

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- Strong understanding of object-oriented programming.
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We are looking for a strong Mobile Engineer with backend exposure who can own end-to-end feature development. This is a mobile-heavy fullstack role where you will primarily build scalable mobile applications while contributing to backend services and APIs.
Key Responsibilities
- Design and develop high-quality mobile applications (primary focus)
- Build and integrate RESTful APIs and backend services
- Collaborate with product and design teams to ship features end-to-end
- Ensure performance, scalability, and reliability of mobile apps
- Write clean, maintainable, and testable code
- Participate in architecture discussions and technical decision-making
Must Have Skills
- Strong experience in mobile development (Flutter / React Native / iOS / Android)
- Solid understanding of backend development (Node.js / Java / Python / Go)
- Experience with API design, microservices, and databases
- Good understanding of system design and app performance optimization
- Familiarity with cloud platforms (AWS/GCP)
Good to Have
- Experience working in startup environments
- Exposure to CI/CD pipelines and DevOps practices
- Understanding of real-time systems or scalable architectures
Job Title: MERN - Full Stack Developer
Job Description:
We are seeking a highly skilled MERN Full Stack Developer to join our team. The ideal
candidate will have experience developing and maintaining web applications using the
MERN stack (MongoDB, Express.js, React.js, and Node.js).
Responsibilities:
Design and develop web applications using the MERN stack
Build and maintain efficient, reusable, and reliable code
Collaborate with other team members to identify and solve complex problems
Ensure the performance, quality, and responsiveness of applications
Troubleshoot and debug applications as needed
Stay up-to-date with new technologies and programming languages
Requirements:
Minimum 3 years of experience in full stack development in the MERN stack
Strong experience with the MERN stack (MongoDB, Express.js, React.js, and Node.js)
Proficient in JavaScript and TypeScript
Experience with web development frameworks and libraries such as React, Angular, or
Vue.js
Experience with Git and version control
Strong understanding of web development principles and best practices
Good understanding of RESTful APIs
Strong problem-solving and debugging skills
Good communication skills and ability to work in a team environment
Experience with cloud-based platforms such as AWS or Azure or GCP
Event-driven and Microservices architectures; Understanding the nature of
asynchronous programming
Experience with implementing run-time architecture services (caching, logging, etc.)
Experience with Test Driven Development
Experience using Containers - Docker, Kubernetes
Experience with Agile development methodologies
Location: Mumbai
Work arrangement: Flexible. Includes hybrid. Mon-Fri. Visit https://www.solarsquare.in/ to
learn more
We’re partnering with a fast-growing AI-first enterprise transforming how organizations handle documents, decisioning, and workflows — starting with BFSI and healthcare. Their platforms are redefining document intelligence, credit analysis, and underwriting automation using cutting-edge AI and human-in-the-loop systems.
As an AI Engineer, you’ll work with a high-caliber engineering team building next-gen AI systems that:
- Power robust APIs and platforms used by underwriters, analysts, and financial institutions.
- Build and integrate GenAI-powered agents.
- Enable “human-in-the-loop” workflows for high-assurance decisions in real-world conditions.
Key Responsibilities
- Build and optimize ML/DL models for document understanding, classification, and summarization.
- Apply LLMs and RAG techniques for validation, search, and question-answering tasks.
- Design and maintain data pipelines for structured and unstructured inputs (PDFs, OCR text, JSON, etc.).
- Package and deploy models as REST APIs or microservices in production environments.
- Collaborate with engineering teams to integrate models into existing products and workflows.
- Monitor, retrain, and fine-tune models to ensure reliability and performance.
- Stay updated on emerging AI frameworks, architectures, and open-source tools; propose system improvements.
Required Skills & Experience
- 2–5 years of hands-on experience in AI/ML model development, fine-tuning, and deployment.
- Strong Python proficiency (NumPy, Pandas, scikit-learn, PyTorch, TensorFlow).
- Solid understanding of transformers, embeddings, and NLP pipelines.
- Experience with LLMs (OpenAI, Claude, Gemini, etc.) and frameworks like LangChain.
- Exposure to OCR, document parsing, and unstructured text analytics.
- Familiarity with FastAPI/Flask, Docker, and cloud environments (AWS/GCP/Azure).
- Working knowledge of CI/CD pipelines, model validation, and evaluation workflows.
- Strong problem-solving skills, structured thinking, and production-quality coding practices.
Bonus Skills
- Domain exposure to Fintech/BFSI or Healthcare (e.g., credit underwriting, claims automation, KYC).
- Experience with vector databases (FAISS, Pinecone, Weaviate) and semantic search.
- Knowledge of MLOps tools (MLflow, Airflow, Kubeflow).
- Experience integrating GenAI into SaaS or enterprise products.
Education
- B.Tech / M.Tech / MS in Computer Science, Data Science, or related field.
- (Equivalent hands-on experience will also be considered.)
Why Join
- Build AI systems from prototype to production for live enterprise use.
- Work with a senior AI and product team that values ownership, innovation, and impact.
- Exposure to LLMs, GenAI, and Document AI in large-scale enterprise environments.
- Competitive compensation, career growth, and a flexible work culture.
Full Stack Engineer (Frontend Strong, Backend Proficient)
5-10 Years Experience
Contract: 6months+extendable
Location: Remote
Technical Requirements Frontend Expertise (Strong)
*Need at least 4 Yrs in React web developement, Node & AI.*
● Deep proficiency in React, Next.js, TypeScript
● Experience with state management (Redux, Context API)
● Frontend testing expertise (Jest, Cypress)
● Proven track record of achieving high Lighthouse performance scores Backend Proficiency
● Solid experience with Node.js, NestJS (preferred), or ExpressJS
● Database management (SQL, NoSQL)
● Cloud technologies experience (AWS, Azure)
● Understanding of OpenAI and AI integration capabilities (bonus) Full Stack Integration
● Excellent ability to manage and troubleshoot integration issues between frontend and backend systems
● Experience designing cohesive systems with proper separation of concerns
1. You can rock with your expertise in fundamental front-end languages such as HTML, CSS, and JavaScript.
2. You can make value additions aided by your familiarity with advanced JavaScript libraries and frameworks such as React.
3. You have top notch ability in server-side languages such as NodeJS, Microservice.
4. Database technology such as MySQL also falls in your comfort zone.
5. You can enhance our world with your Cloud Experience preferably AWS [EC2, RDS, S3, Lambda]
6. You take pride in your knowledge of code versioning tools such as Git or SVN.
7. Third party integration like payment gateway and any Plugins.
Responsibilities:
1. You’ll develop high-quality front-end architecture.
2. You’ll build solid back-end Microservices.
3. You’ll design and develop APIs and API documentation
4. You’ll help the team in designing and normalizing databases
5. You’ll ensure cross-platform optimization for web and mobile phones.
6. You’ll proactively ensure responsiveness of applications.
Responsibilities:
- Building and developing web application using Angular 2+, Node Js and Mongo DB
- Maintenance and support of existing application
- Problem solving, debugging and analytical skills
- Monitoring and deploying application on Microsoft Azure
Technical / Functional Skills:
- 2+ years of hands-on experience in Angular 2+, Node Js, Mongo DB and Microsoft Azure
- Strong experience in performance tuning of complex Mongo DB queries
- Good understanding of Typescript, JavaScript (ES6), CSS, HTML
- Experience in the contact center industry preferred
- Experience in using Git/Bitbucket or any version control tools
- Graduate in IT, Computer Science or similar relevant field preferred
Attitudinal skills:
- Must be able to work without much assistance
- Great communication and interpersonal skills
- Analytical and process-oriented mindset
- 2+ years of experience with React
- Strong experience with React 16.8+ & React Hooks
- Strong experience with NodeJS & Express
- Proficiency in Typescript, AWS, Firebase, and MongoDB
You will be bringing:
- Extensive experience in HTML5, CSS, JavaScript, and front-end frameworks like ReactJS/ AngularJS
- Knowledge of new ES6 features (and actively uses them)
- Experience with popular React.js workflows such as Flux or Redux
- Experience in Redux data patterns and NgRx
- Experience working with server-client architecture projects, consuming JSON data from APIs
- Ability to ruthlessly prioritize in a chaotic and ambiguous environment
- An open, growth mindset when giving and receiving feedback
You get extra points for:
- Being familiar with WebGL/ ThreeJS/ PixiJS
What you’ll do -
- Design and implementation of the overall web architecture.
- Design and deployment of database.
- Ensuring the entire stack is designed and built for speed and scalability.
- Design and construction of our REST API
- Integrating our front-end UI with the constructed API
- Design and implementation of continuous integration and deployment.
- Work remotely with our global clients and teams across the US
What you should have -
- Should have 5+ years of experience expertise in developing applications using any of the frameworks and programming languages
- 5-8 years’ experience Fluent in CSS (Foundation or Bootstrap), JavaScript and HTML, with an understanding of CSS, React.JS
- Experience working with server technologies Node.js
- Experience in API design and development.
- Understanding of SQL / NoSQL databases MongoDB.
- Strong knowledge of data structures, system design, and algorithms.
- Great organizational and time-management skills.
- Great interpersonal and communication skills.









