Lead Full Stack Engineer ( MERN + Python )

Job Description:

We are looking for a skilled Backend Developer with 2–5 years of experience in software development, specializing in Python and/or Golang. If you have strong programming skills, enjoy solving problems, and want to work on secure and scalable systems, we'd love to hear from you!

Location - Pune, Baner.

Interview Rounds - In Office

Cybersecurity Understanding Must

Key Responsibilities:

Design, build, and maintain efficient, reusable, and reliable backend services using Python and/or Golang

Develop and maintain clean and scalable code following best practices

Apply Object-Oriented Programming (OOP) concepts in real-world development

Collaborate with front-end developers, QA, and other team members to deliver high-quality features

Debug, optimize, and improve existing systems and codebase

Participate in code reviews and team discussions

Work in an Agile/Scrum development environment

Required Skills: Strong experience in Python or Golang (working knowledge of both is a plus)

Good understanding of OOP principles

Familiarity with RESTful APIs and back-end frameworks

Experience with databases (SQL or NoSQL)

Excellent problem-solving and debugging skills

Strong communication and teamwork abilities

Good to Have:

Prior experience in the security industry

Familiarity with cloud platforms like AWS, Azure, or GCP

Knowledge of Docker, Kubernetes, or CI/CD tools

Company Description

13kbs.com is a forward-thinking company committed to delivering cutting-edge solutions that empower businesses to excel in the digital era. We bridge the gap between innovation and practicality, ensuring efficiency, security, and scalability at every step.

Our key services include AI-powered solutions, scalable full-stack development, cloud & AWS expertise, comprehensive firewall & compliance reviews, and automation testing. At 13kbs.com, we deliver high-impact solutions that align with the evolving demands of technology while maintaining a strong focus on privacy and reliability.

Role Description:

MERN Stack Developer (On-Site – Rajkot)

This is a full-time, on-site role for a MERN Stack Developer based in Rajkot. The developer will be responsible for developing, testing, and maintaining seamless user experiences using technologies such as MongoDB, Express.js, React, and Node.js.

Daily responsibilities include collaborating with cross-functional teams to define, design, and ship new features; writing clean, efficient, and well-documented code; debugging and optimising applications; and ensuring application scalability and security.

• Qualifications & RequirementsExperience: 1–3 years of hands-on experience in MERN stack development
• Proficient in: MongoDB/Postgres, React, and Node.js
• Front-end expertise: HTML, CSS, JavaScript
• Strong understanding of: RESTful APIs and web services
• Familiarity with: Git or other version control systems
• Experience with cloud services: Especially AWS
• Education: Bachelor’s degree in Computer Science, Engineering, or related field
• Soft Skills: Strong problem-solving abilities and effective communication skills
• Language Requirement: Candidate must be able to understand and communicate in Gujarati
• Location: Must be based in Rajkot or nearby areas
• Work Type: Full-time, work from office only (no remote option)

Important Note

Only apply if you meet all the above criteria, including 1–3 years of experience, proximity to Rajkot, and Gujarati proficiency.

This role will report to the Chief Technology Officer

You Will Be Responsible For

* Driving decision-making on enterprise architecture and component-level software design to our software platforms' timely build and delivery.

* Leading a team in building a high-performing and scalable SaaS product.

* Conducting code reviews to maintain code quality and follow best practices

* DevOps practice development on promoting automation, including asset creation, enterprise strategy definition, and training teams

* Developing and building microservices leveraging cloud services

* Working on application security aspects

* Driving innovation within the engineering team, translating product roadmaps into clear development priorities, architectures, and timely release plans to drive business growth.

* Creating a culture of innovation that enables the continued growth of individuals and the company

* Working closely with Product and Business teams to build winning solutions

* Led talent management, including hiring, developing, and retaining a world-class team

Ideal Profile

* You possess a Degree in Engineering or a related field and have at least 20+ years of experience as a Software Engineer, with a 10+ years of experience leading teams and at least 4 Years of experience in building a SaaS / Fintech platform.

* Proficiency in MERN / Java / Full Stack.

* Led a team in optimizing the performance and scalability of a product

* You have extensive experience with DevOps environment and CI/CD practices and can train teams.

* You're a hands-on leader, visionary, and problem solver with a passion for excellence.

* You can work in fast-paced environments and communicate asynchronously with geographically distributed teams.

What's on Offer?

* Exciting opportunity to drive the Engineering efforts of a reputed organisation

* Work alongside & learn from best in class talent

* Competitive compensation + ESOPs

Required skills

• 4-8 years of web-based application development in Python/Django
• Experience in Terrafoam.
• Competence in using scripting languages to automate tasks (Perl, Bash, PowerShell, Ruby, Python/Django or similar).
• Experience in working with Linux/Unix platforms.

You will:

• Collaborate with the I-Stem Voice AI team and CEO to design, build and ship new agent capabilities
• Develop, test and refine end-to-end voice agent models (ASR, NLU, dialog management, TTS)
• Stress-test agents in noisy, real-world scenarios and iterate for improved robustness and low latency
• Research and prototype cutting-edge techniques (e.g. robust speech recognition, adaptive language understanding)
• Partner with backend and frontend engineers to seamlessly integrate AI components into live voice products
• Monitor agent performance in production, analyze failure cases, and drive continuous improvement
• Occasionally demo our Voice AI solutions at industry events and user forums

You are:

• An AI/Software Engineer with hands-on experience in speech-centric ML (ASR, NLU or TTS)
• Skilled in building and tuning transformer-based speech models and handling real-time audio pipelines
• Obsessed with reliability: you design experiments to push agents to their limits and root-cause every error
• A clear thinker who deconstructs complex voice interactions from first principles
• Passionate about making voice technology inclusive and accessible for diverse users
• Comfortable moving fast in a small team, yet dogged about code quality, testing and reproducibility

Description of Skills/abilities:

We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities:

1. Writing reusable, testable, and efficient code.
2. Design and implementation of low-latency, high-availability, and performant applications.
3. Integration of user-facing elements developed by front-end developers with server side logic.
4. Implementation of security and data protection.
5. Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design thinking.
6. Experience working on Agile Scrum and DevOps aligned delivery teams.
7. Interest and ability to learn other coding languages as needed.
8. Strong communication skills and great product sense.
9. Proficient communication skills verbal and written.
10. Understanding of accessibility and security compliance depending on the specific project.
11. Knowledge of user authentication and authorization between multiple systems, servers, and environments.
12. Understanding of fundamental design principles behind a scalable application.
13. Familiarity with event-driven programming in Python, using of Pycham.
14. Understanding of the differences between multiple deliveries platforms, such as mobile vs desktop, and optimizing output to match the specific platform.
15. Able to create database schemas that represent and support business processes.
16. Strong unit test and debugging skills.

Skills:

1. Expert in Python, with knowledge in Python web framework such as Django, Flask depending on technology stack.
2. Familiarity with some ORM (Object Relational Mapper) libraries.
3. Able to integrate multiple data sources and databases into one system.
4. Understanding of the threading limitations of Python, and multi-process architecture.
5. Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology stack.
6. Basic understanding of front-end technologies, such as JavaScript, Typescript, react, react hooks, HTML5, and CSS3.
7. Proficient understanding of code versioning tools such as Git, Mercurial or SVN.

Skill Set:

1. 4+Years Full stack Python Developer - exposure to web frameworks like Django, Flask and Falcon.
2. Experience building APIs for a rapidly iterating product and restful APIs and development of services layer using Pythons Flask framework and should be proficient in writing unit test cases using Pytest package.
3. Database level programming using both SQL (MySQL, PostgreSQL, Oracle) and No SQL (Mongo DB/Casandra) and designing the database level stored procedures and persistence logic.
4. HTML/CSS/JavaScript and JavaScript framework and knowledge on React JS is a plus.
5. Experience in developing Arduino libraries is an added advantage.
6. Experience working with two or more from the following: Web Application development, Unix/Linux environments, mobile application development, distributed and parallel systems, machine learning, information retrieval, natural language processing, networking, developing large software systems, and/or security software development

We are looking for a passionate full-stack developer to be responsible for all platform-related duties, from developing designs for complicated applications to analyzing code. The key responsibilities include writing and testing code, debugging programs, and integrating applications with third-party web services, optimizing applications, ensuring UI/UX feasibility, and implementing API designs and architecture.

You should know python and use server-side logic. Ultimately, you'll build highly responsive web applications that align with our business needs.

Selected day-to-day responsibilities include:

1. Writing effective, scalable, and sustainable code
2. Developing back-end components to improve responsiveness and overall performance
3. Integrating user-facing elements into applications
4. Testing and debugging programs
5. Improving the functionality of existing systems
6. Implementing security and data protection solutions
7. Assessing and prioritizing feature requests
8. Ensuring the feasibility of UI/UX designs
9. Coordinating with internal teams to understand user requirements and provide technical solutions

Design

·       Design a Service Platform that will serve a large scale of users 

·       Prepare design based on requirements and direction provided by product manager

·       Research and consult with SMEs to ensure the design is most suitable to meet the requirements

·       Present and explain design decisions and gain consensus within in the team

·       Propose UI/UX design decisions that align with requirements and expectations

·       Create any support documentation required for future design updates and validation

Develop

·       Document development plan to implement requirements (Senior)

·       Manage development project tasks and schedule (Senior)

·       Establish development lifecycle model to suit the needs of the project (Senior)

·       Build & configure the base platform based on Open Source solution

·       Manage sprint cycle releases and track development progress 

Quality

·       Perform Quality Assurance before releasing new features

·       Conduct Integration testing to ensure platform is stable

·       Track any issues and ensure that defects are resolved in the next release

·       Demonstrate new features at the end of the sprint

·       Report the development progress weekly including any issues identified

Standards

·       Use the following standards, methods and techniques

o   SDLC including Waterfall, Agile & DevOps

o   Project Management & Requirements Management

o   Coding standards, Code review process & Code management

o   Build, Test & Release Processes

o   CI/CD Frameworks

Technology

·       Use the following frameworks, technology & tools

o    Java, PYTHON, Jquery, React, , 

o   API, REST, DJango

o   Docker, 

o   Git, Jenkins

o   Linux

o   MySQL,