I am a results-driven software engineer with 6+ years of experience in Python backend and full-stack development, delivering scalable, high-performance apps across web, mobile, and cloud platforms. I am expert in FastAPI, Flask, Django, React, Angular, Node.js, and PostgreSQL, with hands-on experience in REST APIs, microservices, cloud deployments (AWS/Azure), ETL data pipelines, and CI/CD automation. I have a proven ability to optimize backend workflows, reduce processing time, and implement secure authentication and user management systems.

Manibala Sinha

I am a results-driven software engineer with 6+ years of experience in Python backend and full-stack development, delivering scalable, high-performance apps across web, mobile, and cloud platforms. I am expert in FastAPI, Flask, Django, React, Angular, Node.js, and PostgreSQL, with hands-on experience in REST APIs, microservices, cloud deployments (AWS/Azure), ETL data pipelines, and CI/CD automation. I have a proven ability to optimize backend workflows, reduce processing time, and implement secure authentication and user management systems.

Available to hire

I am a results-driven software engineer with 6+ years of experience in Python backend and full-stack development, delivering scalable, high-performance apps across web, mobile, and cloud platforms.

I am expert in FastAPI, Flask, Django, React, Angular, Node.js, and PostgreSQL, with hands-on experience in REST APIs, microservices, cloud deployments (AWS/Azure), ETL data pipelines, and CI/CD automation. I have a proven ability to optimize backend workflows, reduce processing time, and implement secure authentication and user management systems.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Hindi
Fluent
Javanese
Advanced

Work Experience

Software Developer at Alignner (Freelance)
January 1, 2024 - Present
Built Python-based REST APIs to serve web and data applications, improving backend efficiency by 30%. Automated workflows using Python and cloud services (AWS, Azure) to reduce manual work by 40%. Implemented data processing pipelines and logging/monitoring to ensure reliability and observability across services.
Software Developer at Sheridan College, Canada
December 31, 2023 - September 25, 2025
Designed and implemented student enrollment system features using Python, Node.js, React, and SQL. Optimized data accuracy and real-time updates with Python backend scripts and stored procedures. Ensured code quality with automated tests and CI/CD pipelines.
Software Developer at Freelance / Contract Roles (SUMAC, TBM, Lixar, ABC Dev, Careerza)
December 31, 2021 - September 25, 2025
Developed responsive web applications and e-commerce solutions using Python, JavaScript, and SQL databases. Created Android camera apps with Python-based data processing for inventory management. Built IoT and automation solutions integrating Python with REST APIs, databases, and hardware interfaces.
Full Stack Developer at Earlier Roles (CRM, E‑commerce, Education Platforms)
March 31, 2015 - September 25, 2025
Delivered full-stack solutions across CRM, e‑commerce, and education platforms using Python, PHP, Java, and SQL; collaborated with clients to design data-driven, scalable solutions.
Software Engineer at Self-Employed / Freelance
January 1, 2024 - November 14, 2025
Remote, contract role. Developed and deployed REST APIs using FastAPI and Flask, improving backend efficiency by 30%. Built ETL/data pipelines for structured and unstructured data using SQL, Airflow, and Cron jobs. Containerized services with Docker and implemented CI/CD pipelines using Jenkins & GitHub Actions. Integrated services with AWS/Azure (S3, EC2, Lambda) for scalable systems. Automated repetitive backend tasks using Python scripts, reducing manual effort by 20%. Projects included: Appointment API (React + FastAPI) for scheduling/searching pet appointments; Angular Product Details App; Django Portfolio with authentication, CRUD, and REST endpoints.
Software Engineer at Sheridan College
December 31, 2023 - December 31, 2023
Remote, full-time. Developed backend features for student enrollment systems using Python, Node.js, and SQL, improving real-time data accuracy. Implemented REST API integrations for React/Angular frontends. Designed automated tests using Pytest and CI/CD pipelines to ensure reliability. Optimized backend workflows, reducing processing time by 25%. Projects included Django Portfolio and Modular Django Web Applications with authentication and REST APIs.
Software Engineer at Lixar / ABC Dev / Careerza
December 31, 2021 - December 31, 2021
Delivered Python backend services for large data sets, improving scalability and reliability. Built Python-based Android apps and integrated IoT devices with backend systems. Developed Java (Spring Boot) microservices and optimized SQL/NoSQL workflows. Collaborated with frontend teams on React/Angular apps and REST API integrations. Projects included Retrofit SDK (REST client) and Python Maze Project (algorithmic work).
Software Developer Engineer at TBM Service Group
September 30, 2016 - September 30, 2016
Full-stack solutions for CRM, e-commerce, and education platforms using Python, Java, and SQL. Collaborated with clients to design scalable, data-driven backend solutions.

Education

Postgraduate Certificate at Sheridan College
January 1, 2022 - December 31, 2023
Masters at SHIATS University
January 1, 2010 - December 31, 2012
Bachelors at SASTRA University
January 1, 2002 - December 31, 2006
M.Tech in Computer Science & Engineering (CSE) at SHIATS, India
January 11, 2030 - September 25, 2025
Master of Computer Engineering at SHIATS University
January 11, 2030 - November 14, 2025

Qualifications

Application Development
January 1, 2013 - December 31, 2013
Java and J2EE
January 1, 2010 - December 31, 2010
Java and J2EE – DOEACC
January 11, 2030 - August 19, 2025
Application Development – MicroSkills
January 11, 2030 - August 19, 2025
Python Developer
January 1, 2024 - September 25, 2025
Application Development Certification
January 1, 2013 - September 25, 2025
Java & J2EE Certification
January 1, 2010 - September 25, 2025
Python Developer – LinkedIn
January 1, 2024 - September 25, 2025
Application Development Certification – Micro Skills, Canada
January 1, 2013 - September 25, 2025
Java & J2EE Certification – DOEACC, India
January 1, 2010 - September 25, 2025
AWS Cloud Foundations
January 11, 2030 - November 14, 2025
REST API Design with FastAPI
January 11, 2030 - November 14, 2025

Industry Experience

Software & Internet, Education, Professional Services, Media & Entertainment, Telecommunications, Retail, Computers & Electronics, Government