Python Developer

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

Job Title : Senior Java Developer

Experience : 5+ Years

Location : Bangalore

Job Type : Contract / Contract-to-Hire

Shift : U.K. Shift (01:30 PM IST to 10:30 PM IST)

Job Summary :

We are looking for a highly skilled Senior Full Stack Java Developer to join our dynamic team. The ideal candidate will have strong expertise in both backend and frontend development, with proven experience in building scalable enterprise applications. This role requires proficiency in Java, Spring Boot, JSP, MySQL, HTML, CSS, JavaScript, jQuery, and Bootstrap, along with excellent communication skills to collaborate with global teams in a U.K. shift.

Mandatory Skills : Java, Spring Boot, JSP, MySQL, HTML, CSS, JavaScript, jQuery, Bootstrap, Software Design Patterns, Debugging & Performance Optimization.

Key Responsibilities :

• Design, develop, and maintain scalable full-stack applications.
• Build robust backend services using Java, Spring Boot, JSP, and MySQL.
• Develop responsive and user-friendly UI components with HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure application performance and scalability.
• Apply best practices and design patterns for maintainable, clean, and efficient code.
• Collaborate with cross-functional teams across geographies to deliver quality solutions.
• Conduct code reviews, debugging, testing, and deployment activities.
• Support international clients by working in the U.K. shift.

Must-Have Skills :

• Strong expertise in Java (Core & Advanced) and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend service development.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Solid understanding of software design patterns and architecture.
• Strong skills in debugging, problem-solving, and performance optimization.
• Excellent communication and collaboration abilities.

About the Role:

We are looking for a highly skilled Senior Full Stack Developer who can independently design, develop, integrate, deploy, and maintain modern websites, web applications, e-commerce solutions, customer portals, and internal business platforms.

This role requires end-to-end ownership of projects, from architecture and development through deployment and ongoing support. The ideal candidate is comfortable working across frontend, backend, CMS platforms, APIs, databases, cloud infrastructure, and third-party integrations.

Key Responsibilities:

● Build websites, web applications, customer portals, and digital platforms from scratch.

● Convert designs from Figma into production-ready solutions.

● Architect scalable, secure, and maintainable systems.

● Develop frontend applications, backend services, APIs, and integrations.

● Build headless CMS solutions and multilingual websites.

● Integrate external systems such as CRM, ERP, PIM, payment, marketing, and identity platforms.

● Deploy, maintain, and optimise applications for performance, SEO, accessibility, and security.

● Troubleshoot, enhance, and support existing digital platforms.

Required Technical Skills

Frontend & Backend:

● React.js, Next.js

● JavaScript, TypeScript

● HTML, CSS, SCSS, Tailwind CSS

● REST APIs, GraphQL, Webhooks

● Authentication & Authorization

CMS & E-commerce:

Experience with modern CMS and headless architectures. Knowledge of 2–3 platforms such as:

● WordPress

● Sanity

● Strapi

● Contentful

● Storyblok

● Payload CMS

● Experience with WooCommerce, Shopify and Headless Commerce Solutions

Infrastructure & Data:

● MySQL, PostgreSQL, MongoDB

● AWS, Google Cloud, Vercel

● CI/CD pipelines

● GitHub and modern development workflows

Good to have:

● Experience with Node.js, Express.js

● Experience with AI-assisted development tools such as Cursor, Claude Code, Codex, Lovable, and Figma AI.

● Familiarity with AI APIs such as OpenAI, Claude, or Gemini.

● Experience working in agency environments and managing multiple projects.

● Experience integrating websites and applications with:

i) CRM systems

ii) ERP systems

iii) PIM systems

iv) Payment gateways

v) Marketing automation platforms

vi) Identity providers (SSO/OAuth)

vii) Shipping, booking, inventory, and product feed systems

Examples include HubSpot, Salesforce, SAP, Business Central, Akeneo, Inriver, Stripe, Klarna, Azure AD, Microsoft Graph, and Google APIs.

Soft Skills:

● Strong ownership and problem-solving mindset

● Excellent communication and stakeholder management skills

● Ability to independently estimate, plan, and deliver projects

● Comfortable working in a fast-paced agency environment

● Ability to manage projects from concept to launch as an individual contributor

Ideal Candidate Profile:

● 3+ years of Full Stack Development experience.

● Strong experience with React.js, Next.js, APIs, and modern CMS platforms.

● Proven experience delivering complete projects independently.

● Experience integrating external business systems and building custom applications.

● Strong problem-solving, communication, and project ownership skills.

● Portfolio demonstrating websites, applications, integrations, and digital products.

Benefits:

• Health insurance
• Provident Fund

Work Location: In person

About the Position

We are looking for a passionate and experienced software engineer to join our team at Mumbai. In this role, your primary responsibilities will be to take ownership of developing user facing applications and features in an agile manner. You will design and implement scalable and performant front-end solutions from scratch, while also taking a hard look at the existing ones.

What you will do at QI?

• Design, develop and deliver new user-facing apps and feature and improve existing ones
• Take ownership of product(s), and contribute to dev cycles and sprints planning
• Ensure technical feasibility of UI/UX design, share inputs with other teams including product, design and QA
• Optimize applications for performance, user experience and SEO
• Build reusable code and libraries. Contribute to open source projects.
• Stay up-to-date with new technologies with an eye of constantly adapting and improving our systems and methods.

Basic Job requirements

• 2 years + work experience in a similar role
• Strong experience in HTML5, CSS, DOM and front-end tooling ecosystem (Gulp,Grunt, Webpack)
• Excellent concepts and command over JavaScript
• Strong concepts and commercial experience in Vue.js
• Solid foundation in software development ( algorithm design, data structure, SDLC)
• Good concepts of unit testing and automation testing for UI components
• Good understanding of web app performance including Google Core Web Vitals metrics.

Location - Remote 

Good to have

• Basic knowledge of REST API and relational databases
• Basic understanding of browser internals
• Familiarity with web components and shadow DOM
• Exposure to progressive web app design.

About QuantInsti®

QuantInsti® was started in 2010, by the founders from iRage – a leading quant and algo trading firm in India.  From its early days focused on bridging the industry knowledge gap in the field of high-frequency trading, we have come a long way in the last decade. Today, we have a user base from 180+ countries with a growth rate much over 50% year-on-year.

At QuantInsti®, we swear by our goal of revolutionizing the way people approach the financial markets by empowering individuals and institutions with bleeding edge education and technologies. We offer high quality https://www.quantinsti.com/epat">learning experience and best-in-class https://quantra.quantinsti.com/">courses geared towards a global audience in quantitative trading and investing. Our in-house developed technology aims to bring institutional grade tools and https://quantra-blueshift.quantinsti.com/">platforms to democratize systematic and quantitative trading.

We achieve this by putting technology at the core of our business. We have a complex ecosystem of microservices and applications deployed over a fully cloud-based infrastructure. Our tech stack includes Node.js, Vue.js, Python and Docker. The team is driven by user experience, with strong focus on delivering scalable software solutions to complex and evolving business goals.

Why you should join us?

At QuantInsti, we work at the cutting edge of FinTech and EdTech offerings. We work with the newest technologies with a goal of delivering best experience to our users in a scalable manner, with high-performance and availability. If you love to be challenged intellectually, rest assured we have plenty of them for you. We follow an open and free work culture, where you are encouraged to ask questions, learn and teach. We offer a fast-paced environment where you take ownership of what you design and deliver. If you are looking for a move where you will find a reason to wake up every morning and rush to work, come join us.

Job Description:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 7+ years of experience in backend development, with proficiency in Python and/or Golang.
• Strong experience in front-end technologies, particularly React.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools like Docker and Kubernetes.
• Knowledge of Apache Spark is highly preferred.
• Solid understanding of database technologies, both relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Cassandra).
• Experience with CI/CD pipelines and automated testing frameworks.
• Excellent problem-solving skills and a proactive attitude toward tackling challenges

We are looking for a full stack Java Developer with an experience of 1+ years. The individual should have good technical knowledge of Core Java, Sql, Spring, Spring Batch, Spring Boot, Apache Spark. Exposure to sql databases like Oracle, Mysql, Microsoft Sql is a must. Any experience / knowledge / certification on Cloud technology preferrably Microsoft Azure is good to have. Exposures to non sql databases like Neo4j or Document database is again good to have.

The individual should have good knowledge of design patterns and also be able to implement them in desired conditions. Finally the individual should be smart and look to provide solutions for problems.

Technology Development Manager

Location : Bangalore (5 Days WFH)

Education Qualification : B.Tech/M.Tech

(Must have good communication skills)

Skills Required : Java, JEE, Spring Frameworks, REST, Object Oriented Analysis and Design,Microservices Architecture, MySQL, MongoDb, ElasticSearch, Git, Jenkins, Microservices, JSON, Javascript, Node.js, Amazon Web Services or any other cloud 

Experience : 8 to 17 years

Role :

• As a Technology Development Manager, be passionate about technology strategy & vision, hands-on solution design, critical analytical thinking and team management
• Responsible for Peer review, design, deployment, production support & mentoring the team
• Be a self-starter based on your experience and be able to deliver world-class capabilities for one of the fastest growing startups in the Global Digital Identity space
• Ability to thrive in a fast-paced, results-oriented, execution-focused environment while handling the day to day operations and having full control over the business technology organization

• Be energised in the fine balance between managing team and being a technologist
• Be comfortable with ambiguity. As with any startup, this role and the company will evolve and pivot and times will show more unknowns than known.

Requirements:

• 8-15 years of progressive technology experience as an engineer, an architect, project manager, and a team leader in cross functional teams
• Results driven! Demonstrated ability to successfully have brought a product to market
• Experience with full-stack software development including newer front-end frameworks
• Java, JEE, Python, Spring Frameworks, REST, Object Oriented Analysis and Design, Microservices Architecture, MySQL, MongoDb, ElasticSearch, Git, Jenkins, Microservices, JSON, Javascript, Node.js, Amazon Web Services all important

• Experience and knowledge in Machine Learning & Computer Vision a plus
• Hands-on product management and software development life-cycle experience (especially Agile methodologies)

• Experience leading teams in the successful delivery of large technology projects
• Demonstrated ability to make good technology trade-off decisions, i.e. managing technical debt

• Drives the CI/CD strategy for the product
• Served as technical lead throughout the full development lifecycle, end-to-end, from scoping, planning, conception, design, implementation and testing to documentation, delivery and maintenance

Competencies:

• Can identify leading indicators for problems that is likely to surface in the future
• Can identify large problem patterns, systemic issues and opportunities for larger re-architecture and redesign
• Can troubleshoot the entire product ecosystem effectively
• Considered as a Guru in a language, its internals and the application of the language in a wider context
• Defines coding standards and design approaches across the organization
• Can independently design multi systems and systems with complex interactions
• Can design generic platforms for a wider usage across teams
• Accountable for all designs in the team
• Deep knowledge, understanding and experience with working of different architectural styles 
• Responsible and accountable for NFR aspects of the product
• Responsible for Architecture and Tech stack across the team(s)
• Ability to define (in collaboration with cross functions), plan, deliver and operationalize large releases.
• Create formal mentoring plans and identify mentoring needs for a team
• Contribution to open source projects, open standards
• Flag bearer of
• Freedom and responsibility
• First Principles
• Bias for action
• Earn your badge
• Customer Empathy
• Truth seeking

1. Good communication skills, should able to demonstrate website features
2. Must have good hands-on experience on HTML/CSS and Javascript,C#
3. Experience using SQL to update and retrieve data
4. Good to have experience with vue.js, AngularJS, selenium frameworks and code repositories such as GitLab
5. Analytical skills
6. Understanding of testing frameworks

1. Collaborate with other developers and engineers to design, build, and maintain applications
2. Candidate is responsible for design and development of small modules in ASP.Net core MVC, C#, SQL Server and client side technology as javascript/jquery
3. Write and debug code
4. Troubleshoot application issues
5. Ability to learn and pick up new frameworks

Essential Job Functions:

1. Implement application components and systems according to department standards and guidelines.
2. Work with product and designers to translate requirements into accurate representations for the web.
3. Analyze, design, code, debug, and test business applications.
4. Code reviews in accordance with team processes/standards.
5. Understand and work with data in varying degrees of complexity and scale.
6. Responsible for planning, processing and performing all jobs in an efficient manner.
7. Provide assistance to testers and support personnel as needed to determine system problems.
8. Resolve problems involved with integrating new technologies with systems.

* Essential functions are the basic job duties that an employee must be able to perform, with or without reasonable accommodation.  The function is considered essential if the reason the position exists is to perform that function.

Supportive Job Functions:

1. Remain knowledgeable of new emerging technologies and their impact on internal systems.
2. Available to work on call when needed.
3. Perform other miscellaneous duties as assigned by management.

*These tasks do not meet the Americans with Disabilities Act definition of essential job functions and usually equal 5% or less of time spent.  However, these tasks still constitute important performance aspects of the job.

Knowledge, Skill, and Abilities:

1. Experience using Python, JavaScript, and React.
2. Experience with web services and RESTful APIs.
3. Experience in cloud infrastructure
4. Experience with Sql and NoSql databases
5. Familiarity with modern CI/CD methods
6. Ability to organize, prioritize, and handle multiple assignments on a daily basis.
7. Strong and effective inter-personal and communication skills
8. Ability to interact professionally with a diverse group of clients and staff.
9. Must be able to work flexible hours on-site and remote.
10. Must be able to coordinate with other staff and provide technological leadership.
11. Ability to work in a complex, dynamic team environment with minimal supervision.
12. Must possess good organizational skills.

Education, Experience, and Certification:

1. Associate’s or bachelor’s degree preferred (Computer Science, Engineer, etc.), but equivalent work experience in a technology related area may substitute.
2. 5+ years relevant experience, required. *
3. Experience using version control daily in a developer environment.
4. Experience with Python, JavaScript, and React is required.
5. Experience using rapid development frameworks like Django or Flask.
6. Experience using front end build tools.