Senior Software Engineer

Job Title : Python Developer - Web3 (Mandatory) & Trading Bot Creation (Optional)

Experience : 2+ Years

Location : Noida (On-site)

Working Days : 6 Days WFO (Monday to Friday - WFO & Saturday - WFH)

Job Type : Full-time

Mandatory Skills : Python, Web3 (web3.py/ethers), smart contract interaction, real-time APIs/WebSockets, Git/Docker, security handling.

Responsibilities :

• Build and optimize Web3-based applications & integrations using Python.
• Interact with smart contracts and manage on-chain/off-chain data flows.
• Ensure secure key management, scalability, and performance.
• (Optional) Develop and enhance automated trading bots & strategies.

Required Skills :

• Strong experience in Python development.
• Proficiency in Web3 (web3.py/ethers) and smart contract interaction.
• Hands-on with real-time APIs, WebSockets, Git/Docker.
• Knowledge of security handling & key management.
• (Optional) Trading bot development, CEX/DEX APIs, backtesting (pandas/numpy).

Job Title: Java Full Stack Developer (React & Java )

Experience: 6 to 10 Years

Location: Pune

Notice Period: Within 15 days

Job Description:

• Looking for passionate Java Full Stack Developers with strong expertise in React and Spring Boot Microservices to join our dynamic team. If you are looking for a challenging role in a collaborative environment and are ready to join immediately, we would love to hear from you!
• Key Responsibilities:
• Design, develop, and maintain scalable web applications using Java, Spring Boot, and Microservices architecture.
• Build responsive and dynamic front-end interfaces using React.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Write clean, maintainable, and efficient code following best practices.
• Participate in code reviews, unit testing, and integration testing.
• Troubleshoot and resolve technical issues across the full stack.

Required Skills:

• 5+ years of hands-on experience in Java Full Stack Development.
• Strong proficiency in Spring Boot, RESTful APIs, and Microservices.
• Front-end development experience with React.js.
• Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
• Experience with SQL/NoSQL databases (e.g., MySQL, MongoDB).
• Familiarity with CI/CD pipelines, Git, and Agile methodologies.
• Excellent problem-solving and communication skills.

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

Skills we are looking for:

• Excellent problem-solving skills
• Readily hands-on and "techy" habits
• Great spoken and written communication skills
• Self-starter, team player
• High levels of ethics, commitment & responsibility
• Demonstrable excellence in an area of their interest

Upto 3 years of experience in Angular.

• Ship high-quality, well-tested, secure, scalable, extensible, and maintainable code as well as perform code review.
• Lead a team of highly efficient developers working on agile development practices including sprint planning.
• Apply design principles and patterns in creating enterprise-level solutions, as needed.
• Design products, services, and systems that are resilient to the iteration and change required by the needs of the business.
• Research new technologies and development methodologies to drive efficiency and improve customer experience.
• Coordinated with the US-led product and sales team to strategize and carry out the development of custom features and functionality requests.

• 3+ years of experience as a Full stack developer.
• Extensive experience working with NodeJS platforms.
• Expertise in building robust REST and GraphQL APIs.
• Hands-on experience with frameworks like ExpressJS, NextJS, and Fastify.
• Hands-on experience with SQL/NoSQL databases like PostgreSQL, MySQL and Redis.
• Hands-on experience in working with React-related libraries like Redux,
• MaterialUI and frameworks like NextJS.
• Strong hands-on experience with source code management systems like git.
• Working knowledge of WebSocket technologies.

• We offer the best market salaries for ideal candidates.
• Our culture is focused on talent development with semi-annually promotion cycles and company-sponsored certifications.
• The opportunity to work with and lead cutting-edge technologies.
• Opportunity to earn company stock options.
• Mediclaim hospitalization insurance for self, spouse, two children, and parents.

Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.

Website Link: https://vahvah.com/

The Mission

Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.

Our Culture

• Amazing workplace and colleagues to work with
• We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
• You will work with colleagues who don’t take themselves too seriously but move mountains.
• See yourself evolving every month with new problems to solve and new skill to master.
• Work with the smartest engineers so you can learn from them.
• Competitive salary at par with the best in the industry
• Great stock options so you can benefit from the company's growth.
• Immense exposure to new technologies

Responsibilities:

• Complete ownership of building and maintaining Web APP
• Deliver across the entire app life cycle design, build, deploy, test, release to production and support
• Should be comfortable in building a great consumer user interface and responsive web apps.

Requirements:

• Overall experience of 2-4 years
• React Web Developer with 2+ years of experience
• Should have worked on NodeJS with express framework
• Understanding of Backend services, API implementation, and database systems. - Familiarity with MySQL and Mongo databases
• We encourage all our devs to have a base level of DevOps skills & w.r.t
• Source Control, CI/CD systems, Cloud Services such as AWS, Firebase, GCP Minimum 1 year of experience in responsive app development
• Ability to implement designs and functionality provided by UI/UX teams
• Strong knowledge of JavaScript ES6
• knowledge of Java/J2EE, Spring, Spring Boot, Spring Cloud is a plus

Key Skills:

• React/JS, NodeJS, Typescript
• Familiarity with Analytics integrations
• Conversant with Github, CI/CD pipeline

What you get:

• Amazing workplace and colleagues to work with
• Competitive salary at par with the best in the industry
• Immense exposure to new technologies

What we are looking for?

• At least 3 years of experience of development on full-stack applications
• Experience with usage of NoSQL databases like MongoDB
• Familiarity with SQL and RDBMS Systems
• Experience in creating applications with NodeJS and MERN stack
• Experience with developing frontend interfaces using React framework
• Experience in creating responsive frontend applications
• Able to use versioning systems like Github or Gitlab
• Understanding of basic tools provided by AWS and their configuration
• Understanding of Unix bases operating systems, ability to configure them for optimum usage
• Experience in basic command-line utilities and shell scripting language
• Understanding of rest API implementation
• Ability to script quickly with Python for writing ad hoc jobs

What you will be working on?

• Leading a team of engineers
• Working on creating performant and fault-tolerant systems which are scalable
• Design, build and maintain high performance, reusable, and reliable Typescript code
• Effectively work with product to gather requirements, gain a deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic DevOps related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements