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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Sylviya Alexander

Back-End Developer, Full Stack Developer, Web Developer, +3

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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Available to hire

Chennai, India

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Freelancer

November 5, 2025 - Present

Lead backend development and coordinating team activities for Python-based applications. Design and development of scalable Python REST APIs for user management and system workflows. Implement authentication, session management, validations, and robust error handling to build secure, production-ready systems. Build AI-driven solutions including chatbot systems using NLP, data extraction, preprocessing, and intelligent response generation. Architect backend systems and database models to support efficient workflows, high performance, and scalability. Integrate backend services with frontend/mobile applications through well-structured APIs. Mentored team members, code reviews, and drove best practices in backend development and system design.

Associate Software Engineer at Mphasis Limited, Chennai

March 1, 2021 - February 28, 2023

Built backend systems using REST APIs and microservices architecture. Automated CI/CD pipelines using Jenkins and deployed fixes in Linux production environments. Identified and resolved security vulnerabilities (SQL injection, Log4j, Apache upgrades). Supported production systems ensuring high availability and minimal downtime. Worked on large-scale enterprise systems with strong backend reliability requirements.

Software Developer Intern at A*STAR (ARC), Singapore

August 1, 2024 - January 31, 2025

Automated NX software process: developed a comprehensive automation solution using NX software. Designed a relational data structure to support database development. XML files parsed and data extracted using Python with data loaded into a SQLite database. Enabled a single-run generation of CAM files by bypassing the CAM input; the generated CAM file allowed the team to create toolpaths and streamline the overall workflow.

Graduate Project - Stock Market Forecasting & Anomaly Detection at NUS (Graduate Project)

August 1, 2024 - October 31, 2024

Conducted advanced stock market analysis and anomaly detection by identifying trends with Isolation Forest and DBSCAN. Integrated insights from news articles, crude oil production, and economic data to validate findings. Developed a feature-rich dataset for forecasting and anomaly detection using Random Forest classifiers, achieving improved anomaly-detection accuracy.

Freelance Software Developer (Python Backend & Web Applications) at Freelance / Multiple Clients

November 1, 2026 - Present

Designed and developed scalable Python-based web applications and REST APIs for multiple clients, focusing on performance, clean architecture, and end-to-end data-driven solutions.

Internship - Machine Monitoring Dashboard Application at Personal / Internship Project

February 1, 2024 - April 1, 2024

Developed a full-stack machine monitoring dashboard using Angular and Spring Boot to enable real-time interaction with PostgreSQL and REST APIs. Implemented data visualization and end-to-end data processing.