Python + React Developer

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

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

Minimum 7 years experience : Individual Contributor ( Back-end plus Cloud- Infra)

Banking/Payments Domain : Worked on projects from scratch and scaled

Experience with Payment Gateway Companies is a plus

Tech Stack

Java SpringBoot,AWS,GCP,REST

Worked on CI/CD (Manage and setup )

Different SQL and NO-SQL Databases -,PostgreSQL,MongoDB

Responsibilities:

End to end coding ; from software architecture to managing scaling,of high throughput(100000)RPS high volume transactions.

DIscuss business requirements and timelines with management and create a task plan for junior members.

Manage the day to day activities of all team members and report their work progress

Mentoring the team on best coding practices and making sure modules are Live

on time.

Management of security vulnerabilities.

Be a full individual contributor which means can work in a team as well as alone.

Attitude:

Passion for tech innovation and solve problems

GoGetter Attitude

Extremely humble and polite

Experience in Product companies and Managing small teams is a plus

Full Stack Development: Involves designing and building scalable web applications using Java (Spring Boot) and Angular/ReactJS.

End-to-End Responsibilities: Covers all phases of development—requirement analysis, coding, testing, deployment, and maintenance.

Tech Stack Requirements: Strong skills in Java 1.8+, REST APIs, SQL, JavaScript, HTML/CSS, and tools like Maven/Gradle and JUnit.

Agile & Best Practices: Experience with Agile methodologies, object-oriented design, and writing clean, testable, and maintainable code.

Bonus Skills: Knowledge of Python, Shell scripting, Big Data tools (Hadoop, Hive, Spark), and scheduling/message queuing tools is a plus.

3+ years

• Taking an active role in architecting the solutions we build
• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

• 2+ years Experience with React. Good to have working knowledge of React Native, Angular, VueJS
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Good understanding of AJAX and JavaScript DOM manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Hands on and implements complex React modules
• Able to implement automated testing platforms and unit tests
• Understanding of fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools (Git) 
• Critical thinker and problem-solving skills

• Experience with Angular2+ and Node
• Experience with AWS or GCP infrastructure
• Curiosity about new languages, libraries, frameworks
• Contributions to open-source projects

• Passionate about making an impact
• Self-driven & eager to learn new technologies
• Intellectually curious, interested to build complex systems
• Thrive in a highly independent, remote-first environment
• Keen to work with a globally diverse team

• Hybrid Work Option - Step out when you “want to” not when you “have to”
• Work from the comfort of your home or work at the office
• Support for setting up Home-office
• Flexible Work Hours -Work-life balance becomes a lot easier to maintain with the flexibility to plan your work hours 
• Flexible Leave policies
• Life needs a break - casual, parental, sick, or just random. To help you enjoy your leaves without guilt or excuses, we have a ‘no approval needed’ policy
• Health and Wellness - Constant encouragement to stay fit
• We encourage and support our team members to participate in memberships that promote team member health (physical, emotional, and psychological) and fitness
• Reimbursements for medical support
• Career ladder: the freedom to design your own path
• Well defined career ladders to grow, assess and explore your professional journey
• Learning opportunities
• In house learning platforms to partner with you in your growth story
• Wide range of courses and certifications

We enable humans & machines with internet connectivity at a price that they can afford.

The inspiration for Wifi Dabba came from the founders working together for the last decade in the mobile application industry and realising the biggest reason for user churn being access to cheap and affordable internet access. From having worked on ground onboarding users and facing poor connectivity issues all the time, we took it on ourselves to fix the internet access problem for the common citizen.

At Wifi Dabba (YC W17), we are building a low cost, scalable & distributed Wi-Fi infrastructure to connect next billion users online. We do this by deploying a grid of lasers (Free Space Optics) over the cities & town and bring cheap and fast internet for everyone. We enable anyone to buy 1 gig of data access at a time at a price they can afford. Sachetization of internet access is the foundation to rebuilding internet for all. We do this by leveraging crypto and blockchain to truly make internet infrastructure ownership distributed — our vision is to be connectivity layer for the Web3 world.

• You will get the chance to be an early team member at a fast-growth YC startup.
• You get to define the future of telecom infrastructure ownership and operations.
• We’re a tight-knit team where you'll learn a ton and have ownership.
• Opportunity to build for the next billion users.

• Strong engineering background preferably in Computer Science
• Experience architecting, developing, and testing full-stack code end-to-end
• Experience working with relational & NoSQL databases
• Experience with AWS services
• Experience working with MERN Stack, performing unit/feature testing, and managing REST APIs.
• Knowledge of front-end technologies including HTML5, CSS3, JavaScript, and jQuery.
• Knowledge of any one frontend framework/libraries like Angular/VueJs/ReactJS.
• Knowledge of code versioning tools like GIT, SVN.
• Experience in building user interfaces for websites and/or web applications.
• Experience in designing and developing responsive design websites with any frontend css frameworks like Bootstrap/Tailwind CSS.
• Build backend APIs and services that power new products that interact with Solana (or other) blockchains
• Build front-end Web3 interfaces that interact with your backend code
• Participate in design discussions with business users, web producers and engineering teams.
• Perform requirements analysis, high-level design, effort estimation for new business requirements and feature enhancements.
• Write clean, concise, and sustainable code.
• Team player who enjoys collaborative effort.

• Entrepreneurial mindset (we encourage all employees to be future founders and this can be a great stepping stone towards that)
• You’re passionate about crypto, Web3
• Customer-centric and passionate about working in a small & focused team
• Previous experience building/working in telecom software or infrastructure
• Previous experience building web3 project - DeFi / Blockchain infrastructure
• Previous experience at a high-growth, fast-paced startup

Tech9 India is looking for Software Developers to join our team.  We have mid level to principal roles available.  Depending on the role, the position requires the use of Front and back End Technologies. This is a great opportunity to work with a company that has a primary focus of making our customers happy by delivering value, without all the burdensome policies and rules that have become typical for outsourced software development companies.

If you are looking for a change this is what we can promise you:

• You will have challenging problems to solve
• You will have flexibility and autonomy to solve problems and deliver solutions
• We will provide a highly collaborative environment with skilled and super friendly teammates
• We will fully support you in developing software the right way
• We won't burden you with useless policies and procedures
• We will provide you the tools you need to do your job right

If this sounds attractive please apply! We'd love to talk to you!

Responsibilities:
 

• Work with cross-functional teams, using agile practices, write, debug and deliver code
• Produce solid, thoroughly tested features

           ​​​​​​​Requirements:

• 3+ years of experience in Javascript engineering, frameworks, unit testing frameworks 
• At least 3 years of experience developing in Node, React, and nice  to have experience on Go Language
• Strong verbal and written communication skills
• Experience working with product managers and scrum teams to effectively translate business requirements into workflows  
• Demonstrated ability to remove problems and overcome roadblocks
• Cloud platform experience 

        Good to have for Mid/Sr. and must have for Principal role 

• Hands-on experience with APIs, microservices
• Experience with CI/CD systems such as Jenkins
• Experience with JSON and developing REST Services
• Expert experience leveraging container based technologies
• Multiple years of experience delivery solutions through an Agile delivery methodology
• Experience with bash shell scripts, LINUX utilities & UNIX Commands
• Ability to understand complex systems and solve challenging analytical problems
• Ability to leverage multiple tools and programming languages to analyze and manipulate data sets from disparate data sources
• Strong collaboration and communication skills within and across teams
• Strong problem solving skills and critical thinking ability

Job Description:

1. At least 3+ years’ experience into web front end/full stack development

1. Proficient in Object Oriented JavaScript programming and working with JS frameworks on both client and server-side

1. In depth knowledge and working experience in full stack development, for example in Node JS and Mongo DB based implementations as a MEAN stack dev

1. Experience implementing applications using Sails.JS, Angular or ExpressJS frameworks

1. Have hands on knowledge in database technologies, preferable NoSQL databases, such as, MongoDB, Cassandra, etc.

1. Experience with design patterns and building applications from scratch is a plus
2. Thorough understanding and exposure to API integrations, especially RESTful-based web services in JSON
3. Continuous integration (Jenkins/Hudson) and version control (bitbucket, Git etc).