Fullstack Developer

Requirement:

● Role: Fullstack Developer

● Location: Noida (Hybrid)

● Experience: 1-3 years

● Type: Full-Time

Role Description : We’re seeking a Fullstack Developer to join our fast-moving team at Velto. You’ll be responsible for building robust backend services and user-facing features using a modern tech stack. In this role, you’ll also get hands-on exposure to applied AI, contributing to the development of LLM-powered workflows, agentic systems, and custom fi ne-tuning pipelines.

Responsibilities:

● Develop and maintain backend services using Python and FastAPI

● Build interactive frontend components using React

● Work with SQL databases, design schema, and integrate data models with Python

● Integrate and build features on top of LLMs and agent frameworks (e.g., LangChain, OpenAI, HuggingFace)

● Contribute to AI fi ne-tuning pipelines, retrieval-augmented generation (RAG) setups, and contract intelligence workfl ows

● Profi ciency with unit testing libraries like jest, React testing library and pytest.

● Collaborate in agile sprints to deliver high-quality, testable, and scalable code

● Ensure end-to-end performance, security, and reliability of the stack

Required Skills:

● Proficient in Python and experienced with web frameworks like FastAPI

● Strong grasp of JavaScript and React for frontend development

● Solid understanding of SQL and relational database integration with Python

● Exposure to LLMs, vector databases, and AI-based applications (projects, internships, or coursework count)

● Familiar with Git, REST APIs, and modern software development practices

● Bachelor’s degree in Computer Science or equivalent fi eld

Nice to Have:

● Experience working with LangChain, RAG pipelines, or building agentic workfl ows

● Familiarity with containerization (Docker), basic DevOps, or cloud deployment

● Prior project or internship involving AI/ML, NLP, or SaaS products

Why Join Us?

● Work on real-world applications of AI in enterprise SaaS

● Fast-paced, early-stage startup culture with direct ownership

● Learn by doing—no layers, no red tape

● Hybrid work setup and merit-based growth

• 2-5 years of software development experience especially in web development with open source technologies like PHP, Linux, etc.
• Good experience in object-oriented programming/modular programming.
• Strong understanding of MVC design patterns and frameworks.
• Exposure to PHP framework Laravel is mandatory.
• Knowledge of Flutter is a plus.
• Knowledge of fundamentals like traits, namespace, OOPS, and interfaces will be preferred.
• Ability to do hands-on coding and pro-actively drive emphasis on quality, maintainable code.
• Ability to pick up new technologies quickly and effectively.
• Well-informed about all the latest technologies and developments in the industry.
• Self-motivated and Self-Starter - Looking for candidates who can jump in quickly without a lot of direction.
• Attention to detail and ability to conceptualize a concept.

What you need to succeed in this job ?

• MS or BS/B.Tech in computer science or equivalent experience from top college.
• Minimum 2+ Experience in Java 8, Spring Boot, Spring Cloud, Spring Cloud Gateway etc
• Good understanding of Design Patterns usage and implementations.
• REST Services and understanding and implementation of Microservices Architecture.
• Unit testing tools – Junit & Mockito.
• Experience is PostgreSQL database is must, 
• Excellent data structure & algorithm and problem solving skills.
• Should be an active contributor to developer communities like Stackoverflow is added advantage.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development (Prometheus, Elasticsearch, Kafka).
• Must be a proven performer and team player that enjoy challenging assignments in a high- energy, fast growing and start-up workplace.
• Must be a self-starter who can work well with minimal guidance and in fluid environment.

Reverate Tech is a product and service-based start-up, working with International Clients. Our services include Data Engineering, Web Development, BI/Data Warehousing, Enterprise Application Implementation (ERP/CRM), and NetSuite. Our product portfolio has business apps in the domain of ERP, Auto Service, and Personal Safety.

This is an exciting opportunity to work as a full-stack developer for our client SellerX.

The ideal candidate will efficiently and quickly write code in a timely and scalable way in order to improve the code-base of the company's products in meaningful ways. This candidate will be able to test the code and make adjustments where necessary.

Your background:  

• 3+ years of experience working with PHP (preferably with Symfony) 
• Understanding OOP principles & familiarity with best design practices 
• Experience with JavaScript, Angular 
• Technically proficient in SQL (preferably MySQL or MariaDB) 
• Experience with NoSQL database 
• Experience with Docker 

We would consider it a plus if:  

• You have some experience with Python or are willing to learn 
• You have basic knowledge of message brokers such as RabbitMQ 
• You have some experience working with AWS: RDS, S3, EC2, and Lambda functions 
• Experience with search engines like Elastic Search or Solr

Benefits:

• 100% remote-working;
• Flexible working hours;
• Development of your personal strengths in a dynamic environment;
• An attractive and varied job with a high level of personal responsibility;
• A collegial togetherness and a modern management style/startup;

About our client

SellerX buys and builds Amazon businesses, helping entrepreneurs realize the next stage of their businesses and their lives. SellerX is the 3rd fastest-growing startup in Europe. Already a unicorn (1 billion euros in evaluation), SellerX plans to be a Decacorn in the coming 2-3 years.

https://sellerx.com/

1. Interested? Join us and start your learning and growth journey.

A highly motivated and passionate individual who has experience in executing end to end web based application projects and bringing them to production quickly and with high quality. Passionate about building flexible and scalable solutions with an eye for detail and can weigh pros and cons to find best possible solutions.

Responsibilities:

• Collaborate with Product Manager and Engineering Manager to plan, implement and deliver tasks and modules on a timely basis with best practices and adherence to SOPs.
• Understand the product specification and be able to ask questions and gather information and feedback to build a well rounded solution.
• Deliver end to end applications starting from front end web development, back end development, middleware integration and persisting data in no SQL or RDBMS databases.
• Should be able to use existing front-end components to build web based UI interfaces.
• Strong technical design approach to problem solving for backend services.
• Should be able to communicate and defend the tech design choices taken for long term scalability and maintainability.
• Play the role of an unblocker in a tight scrum environment.
• Should be able to help other developers with challenges and help achieve milestones as per plan.

• Prioritise to manage ad-hoc requests in parallel with ongoing projects.
• Document API specification, technical design and other key information for all projects/modules/services owned

Requirements:

• A highly talented developer with 4-7 years of hands-on experience in building secure and scalable web-based applications using Java in backend and JS-based frontend frameworks
• Strong knowledge of Java 8+, databases (SQL and NoSQL), MySql, Mongo
• Experience working with Cassandra, Spring Boot, Apache Spark, Kafka, RabbitMQ is highly desirable
• Working knowledge of any one or more of AngularJS/ReactJS/VueJS and CSS3, HTML5
• Strong experience in data modeling for data storage tools in SQL; experience with noSQL is highly desirable.
• Experience building scalable solutions for 2x, 5x and 10x growth with high quality and flexibility.
• Practitioner of test-driven development practices.
• Experience in creating and adhering to best practices for development
• Experience working with container technologies like Docker and knowledge of CI/CD processes for automated integration and deployment.
• Basic knowledge of AWS preferred
• Strong experience in Microservices (SRP) paradigm
• Willing to learn new technologies (Golang)

• Qualification B.Tech/M.Tech/MCA(IT/Computer Science)
• Years of Exp 4 - 7 years