Python Developer

Position : Tech Lead – Fullstack Developer

Experience : 7 to 15 Years

Location : MG Road, Bengaluru (Hybrid – 3 Days in Office)

Notice Period : Immediate / Serving / 15 Days or Less

About the Opportunity :

We are hiring a Tech Lead – Fullstack Developer for a well-funded product startup building an enterprise-grade SaaS platform in the Cybersecurity domain.

The role involves designing and delivering scalable microservices and cloud-native applications in a high-performing, Agile engineering environment.

You'll work alongside industry veterans from billion-dollar digital firms, contributing to technical design, product architecture, and engineering best practices.

Mandatory Skills : Java, Spring Boot, ReactJS (or any modern JavaScript framework), RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD, Hibernate/JPA, Multithreading, and Microservices architecture.

Role Highlights :

• Lead fullstack product development using Java (Spring Boot) and ReactJS (or similar frameworks).
• Design, develop, test, and deploy scalable microservices and RESTful APIs.
• Collaborate with Product, DevOps, and QA teams in a fast-paced Agile environment.
• Write modular, secure, and efficient code optimized for performance and maintainability.
• Mentor junior developers and influence architecture decisions across the team.
• Participate in all stages of the product lifecycle, from design to deployment.
• Create technical documentation, UML diagrams, and contribute to knowledge-sharing through blogs or whitepapers.

Key Skills Required :

1. Strong expertise in Java (mandatory) and Spring Boot.
2. Proficient in frontend development using ReactJS or similar frameworks.
3. Hands-on experience building and consuming RESTful APIs.
4. Solid knowledge of PostgreSQL, Hibernate/JPA, and transaction management.
5. Familiarity with Docker, Kubernetes, and cloud platforms (Azure/GCP).
6. Understanding of API Gateway, ACID properties, multithreading, and performance tuning.
7. Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Agile methodologies.
8. Strong debugging and profiling skills for performance bottlenecks.

Nice to Have :

• Experience with data integration tools (e.g., Pentaho, Apache NiFi).
• Exposure to the Healthcare or Cybersecurity domain.
• Familiarity with OpenAI APIs or real-time analytics tools.
• Willingness to contribute to internal documentation, blog posts, or whitepapers.

Perks & Benefits :

• Opportunity to build a product from scratch.
• Flat hierarchy and direct access to leadership.
• Strong focus on learning, mentorship, and technical innovation.
• Collaborative startup culture with long-term growth opportunities.

Interview Process :

1. Technical Round – Technical Assessment
2. Technical Interview – Core Development
3. Advanced Technical Interview – Design & Problem Solving
4. Final Round – CTO Discussion

Key Responsibilities

• Design, develop, and maintain scalable microservices and RESTful APIs using Python (Flask, FastAPI, or Django).
• Architect data models for SQL and NoSQL databases (PostgreSQL, ClickHouse, MongoDB, DynamoDB) to optimize performance and reliability.
• Implement efficient and secure data access layers, caching, and indexing strategies.
• Collaborate closely with product and frontend teams to deliver seamless user experiences.
• Build responsive UI components using HTML, CSS, JavaScript, and frameworks like React or Angular.
• Ensure system reliability, observability, and fault tolerance across services.
• Lead code reviews, mentor junior engineers, and promote engineering best practices.
• Contribute to DevOps and CI/CD workflows for smooth deployments and testing automation.

Required Skills & Experience

• 10+ years of professional software development experience.
• Strong proficiency in Python, with deep understanding of OOP, asynchronous programming, and performance optimization.
• Proven expertise in building FAST API based microservices architectures.
• Solid understanding of SQL and NoSQL data modeling, query optimization, and schema design.
• Excellent hands on proficiency in frontend proficiency with HTML, CSS, JavaScript, and a modern framework (React, Angular, or Vue).
• Experience working with cloud platforms (AWS, GCP, or Azure) and containerized deployments (Docker, Kubernetes).
• Familiarity with distributed systems, event-driven architectures, and messaging queues (Kafka, RabbitMQ).
• Excellent problem-solving, communication, and system design skills.

Job Title: Software Development Engineer 2 (SDE 2) – React / Next.js / React Native

Location: Remote

Job Type: Full-TimeAbout the Role

We are looking for a passionate and skilled SDE 2 with strong experience in React.js and Next.js, and an eagerness to contribute to mobile app development using React Native. As a core member of our frontend team, you'll play a critical role in building scalable web applications and delivering a seamless mobile experience.Responsibilities

• Design, develop, and maintain complex frontend applications using React.js and Next.js
• Collaborate with designers and backend engineers to implement responsive, high-quality UI/UX
• Participate in architectural decisions and contribute to improving development workflows
• Contribute to the development of cross-platform mobile apps using React Native
• Write clean, maintainable, and well-tested code
• Perform code reviews and mentor junior engineers as needed
• Stay up to date with the latest trends and best practices in frontend and mobile development

Requirements

• 3–5 years of experience in software development, with a focus on frontend technologies
• Strong proficiency in React.js and Next.js
• Good understanding of JavaScript, TypeScript, and modern frontend tooling (Webpack, Babel, etc.)
• Experience with state management libraries (Redux, Zustand, Recoil, etc.)
• Familiarity or hands-on experience with React Native or willingness to work on mobile apps
• Knowledge of RESTful APIs and frontend-backend integration
• Experience with Git and modern CI/CD pipelines
• Excellent problem-solving, debugging, and analytical skills
• Strong communication and team collaboration abilities

Nice to Have

• Experience with SSR and performance optimization in Next.js
• Familiarity with native mobile development (Android/iOS)
• Knowledge of testing frameworks like Jest, React Testing Library, Detox, etc.
• Experience with app deployment to App Store / Play Store

Responsibilities:

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Web development.

Requirements:

• Bachelor's degree in computer science, information science, or similar.
• At least One year of experience as a Full Stack developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Should have hands on experience in using sockets, express, SQL query builder.
• Should have worked on database like SQL, MYSQL, MongoDB.
• Knowledge of front-end technologies such as HTML5 and CSS3
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

B.S. in software development, computer science or related field (Equivalent experience also accepted) 

·  1+ years of relevant work experience in software development and design.  

·  Deep understanding of computer science fundamentals (e.g, algorithms and data structures).  

·  Deep understanding of JavaScript or TypeScript and at least one JS UI framework React ·  
Deep understanding of Node.js and at least one Node server framework (Express, NextJS, NestJS). 

·  Deep understanding of the full software development lifecycle. 

·  Experience designing/implementing/integrating with APIs.  

·  Solid understanding of database systems (MySQL, PostgreSQL, SQLServer).  

·  Solid understanding of Git and managed source control services like GitHub. 

·  Experience working within Agile software development teams. 

·  Foundational knowledge of Amazon Web Services (AWS). 

·  Excellent written and oral communication skills. 

• upGrad was awarded the Best Tech for Education by IAMAI for 2018-19,
• upGrad was also ranked as one of the LinkedIn Top Startups 2018: The 25 most sought-after startups in India.
• upGrad was earlier selected as one of the top ten most innovative companies in India by FastCompany.
• We were also covered by the Financial Times along with other disruptors in Ed-Tech.
• upGrad is the official education partner for Government of India - Startup India program.
• Our program with IIIT B has been ranked #1 program in the country in the domain of Artificial Intelligence and Machine Learning.

• Writing clean, high-quality, high-performance, maintainable code.
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements.
• Coordinate cross-functionally to insure project meets business objectives and compliance standards. 
• Support test and deployment of new products and features.
• Participate in code reviews.

• A highly talented developer with 6-9 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 modelling 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).