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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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.
At Wendor, we’re transforming the vending industry in India with our in-house designed, tech-enabled smart vending machines — already live in 70+ cities and expanding rapidly. We’re a focused, fast-growing team where everyone takes ownership and moves with purpose.
We are looking for a Senior Software Engineer to take end-to-end ownership of the software powering Wendor’s smart vending machines. In this role, you will architect and develop robust full-stack applications, integrate low-level systems on Linux, and lead a team of engineers to build scalable, real-time software solutions.
Your work will directly impact how users interact with our machines across 70+ cities. This is a hands-on role where you’ll collaborate with cross-functional teams, solve complex technical challenges, and contribute to innovations that push the boundaries of smart retail automation.
Key Responsibility:
● Develop and maintain full-stack applications (using technologies Node.js, React) to support Wendor's smart vending ecosystem, ensuring seamless frontend and backend functionality.
● Work on low-level integrations with vending hardware, optimizing performance and stability on Linux-based systems.
● Build and manage scalable backend services and RESTful APIs to handle real-time data, payments, and machine operations.
● Lead and mentor a team of 3–4 software engineers, conducting code reviews, guiding technical decisions, and ensuring timely deliveries.
● Write efficient SQL queries and manage data flow between services and databases to ensure reliability and responsiveness of the platform. ● Ideate, prototype, and implement new features, tools, or automations to improve product performance and internal processes.
● Collaborate with cross-functional teams including hardware, product, design, and operations to deliver integrated solutions.
● Ensure system reliability, performance, and uptime for software running on live vending machines across India.
● Maintain code quality through unit tests, integration tests, and E2E testing practices, following modern software engineering standards.
● Stay updated with emerging tech trends to help Wendor innovate faster and smarter.
Requirements:
● Proven experience as a Senior Software Engineer or similar role.
● Strong customer-centric mindset with a commitment to product excellence.
● Expertise in full-stack development (frontend + backend technologies).
● Ability to write clean, maintainable, and well-documented code.
● Passion for innovation, scalability, and problem-solving.
● Location- Gurugram(On-site).
Requirements
- 5+ years of experience in professional Web Development
- Proven software development experience in Core PHP, Codeigniter, WordPress; Laravel is a plus.
- Must have 2+ yrs experience in VueJs.
- Experience in ReactJs, NodeJs is a plus.
- Excellent Software Design and Architecting capabilities
- Complete familiarity with client-side scripting and Angular JS, Ember JS , JavaScript frameworks, including jQuery.
- Complete familiarity and expertise in web markup, including HTML5, CSS3.
- Expertise in third party API integration - payment gateways, Storage, Streaming services, etc.
- Complete familiarity and experience working with JSON / XML and REST API structure
- Familiar with Continuous Integration/Continuous Deployment technologies such as Bitbucket, Jenkins and Git
- AWS/Google Cloud Deployment is a must; Devops capability is a plus.
- Excellent knowledge of relational databases, version control tools and of developing web services.
- Sound Database experience with MySQL and PostgreSQL experience
- A sound knowledge of Object-Oriented (OOPS) Programming & Design Pattern.
- Agile and Iterative (TDD) development expertise.
We are all about building products that make social media fun and a more convenient place to live in and earn from! We @UPCRED dream of changing the way India consumes content in terms of rich media.
If you want to build and scale a product from scratch and create an impact within an entrepreneurial environment, join us!
So as a Full Stack developer in this role, we expect the following from you -
Minimum 2-5 years of product development experience in a startup.
The major tech stack is Node, Python, Django, React, AWS, etc.
You would be someone who has demonstrated experience in building and scaling the product.
Excellent collaboration, communication, and presentational skills to ensure you effectively communicate your team and all the decisions that shaped them, with your stakeholders.
Good to have a portfolio showcasing recent works as live experiences.
If you have a passion for building and scaling marketplaces that stand out for great customer experience, this is a game-changing role in our crazy pursuit to become India’s most-loved social brand.
We at UPCRED
Life so good, you’d think we’re kidding:
Competitive salaries.
An extensive medical insurance that looks out for our employees & their dependents. We’ll love you and take care of you, promise.
Flexible working hours.
Tailored vacation & leave policies so that you can enjoy every important moment in your life.
Learning and upskilling opportunities.
Good food, games, and a cool office to make you feel at home.
HOW?
Apply, and let us know your interest?
Working at UPCRED should be a rewarding experience! Great Young people, a work environment that thrives on creativity, the opportunity to take on roles beyond a defined job description are just some of the reasons you should work with us. We are a startup looking to scale, let us know if you are interested.
in python ecosystems
- Experience working with at least one Python web framework (Django / Flask)
- Passionate about code quality, automated testing, and engineering best
practices
- Good understanding of both relational and non-relational databases (bonus
points for ORMs)
- Familiarity with AWS ecosystem or Cloud Solutions such as Heroku
- Good understanding of FE technologies
- Basic knowledge of CI/CD setup(s)
● Good at frontend designing (HTML, CSS, JS, Material Designs) should be able to develop
Frontend shared by UX Designers.
● Developing JavaScript applications using Node.js, Express, React.js, and MongoDB.
● Write, execute, and maintain clean, reusable, and scalable code.
● Good understanding of CI/CD pipelines, versioning.
● Experience building Responsive websites for web, tablet, and mobile devices.
Requirements for the Job
● Experience with modern frameworks and design patterns, 3 to 4+ yrs experience. with the MERN
Fullstack paradigm.
● Experience in developing JavaScript applications using Node.js, Express, React.js, and MongoDB.
● Skills - HTML, CSS, Bootstrap, Material UI designs, React JS.
● Backend - MongoDB, REST APIs, Cloud Frameworks deployments.
● Experience with developing ML based SaaS platforms would be an added advantage.
Details:
- Should have Experience of Java/J2EE Developer
- Must have Full Stack Development experience.
- Must have SQL Knowledge and a good understanding of Procedures.
- Need 4 or 6 Years of Experience Candidates.
- Should be from a Product Based Company or should have 1 Year of Prior Experience in Product Based Companies.
What we're looking for
- An experienced Software Engineer with a love for Web products
- demonstrated ability to contribute individually as well as in a team.
If you love spending time on Hackernews/Github and love experimenting with latest technologies, this might be the role for you.
Responsibilities
- Own the development of product features end-to-end including scoping, architecting, coding, testing, and rolling out features
- Work closely with PMs, designers, and other engineers to ideate solutions to user problems
- Become an expert in your product area and our tech stack Make improvements to developer productivity through process / code improvements and mentorship
- Work in a distributed team
- 2+ years of experience designing and building complex JavaScript web based software systems
- Demonstrable Full Stack development experience with Angular or React and Node.JS in Typescript.
- Knowledge of multiple modern computer languages and frameworks with an understanding of using the right technology for the right purpose
- Experience with remote development teams working on the same platform
- Experience with writing testable code and driven by best practices Agile development process knowledge/experience
- Bachelor’s degree in Computer Science or related field














