Pardeep Singh · Profile
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Pardeep Singh

Python Software Engineer

5+ years of professional experience building, scaling, and maintaining production backend systems and REST APIs. Works across greenfield builds, existing production systems, and legacy codebases, including framework and database migrations, production incident response, and performance tuning on a 10+ year-old enterprise codebase.

Python, Django, Django REST Framework, PostgreSQL, MongoDB, Celery, Redis, AWS, Docker.

Practical AI application experience across resume parsing, semantic search, transformer embeddings, FAISS vector search, RAG-based question answering, and LLM integration. Uses Claude, Devin, and Cursor to speed up code analysis, debugging, and day-to-day development work.

Also takes on full-stack work when a project needs it, from Django REST Framework backends to React frontends. Has worked as sole engineer on some projects and as part of larger engineering teams on others, across full-time roles, freelance client work, and remote, hybrid, and on-site setups.

Chandigarh, Indiathepardeephere@gmail.com+91 8437379367+91 9779882321LinkedIn Profile ↗
What I Build

Works across greenfield builds, existing production systems, and legacy codebases, from initial architecture through long-term maintenance and modernization.

Backend APIs & Platforms
REST APIs and backend services for production platforms, including Trakstar Hire, TalentCo, and GFR Logistics.
Legacy Modernization
Python, Django, and database version upgrades on a 10+ year-old production codebase, including a CI rework that cut test time from 2 hours to 35 minutes.
AI-Powered Applications
Resume parsing, semantic candidate matching, and RAG-based document Q&A, built with FAISS, transformer embeddings, and Hugging Face.
Automation Tools
Browser and desktop automation for bulk data migration, including a tool that moved about 1,000 courses between Totara LMS versions.
Greenfield Platforms
New platforms built from requirements through deployment, including GFR Logistics as sole engineer and Gater CRM as full-stack lead.
Selected Engineering ImpactResults from production systems
2h → 35mCI Pipeline
CI Test Execution

Reworked CI test distribution across test runners, reducing pipeline execution time by approximately 70%.

10+ YrsLegacy Codebase
Legacy Modernization

Upgraded Python, Django, and database versions while handling legacy dependencies, compatibility issues, migrations, and production rollout.

~30%Client-Reported
GFR Logistics

Built the cargo booking platform end to end, replacing a manual booking workflow with a digital system.

Top 5%Django Assessment
LinkedIn Django Skill Assessment

Ranked among approximately 105,000 developers on the LinkedIn Django Skill Assessment.

Career
2025
Apr 2025 – Present

MITRATECH

Software Engineer 3
Hyderabad, India (Remote) · Enterprise SaaS

Engineer on an enterprise SaaS product team, delivering backend and frontend functionality across a long-lived production codebase.

  • Drive legacy modernization spanning framework, runtime, dependency, and application-layer components.
  • Investigate and resolve production defects covering performance, security, and role-based access control.
  • Carry on-call responsibility, handling production incidents from first investigation through root cause and resolution.
  • Apply Claude and Devin to accelerate legacy-code analysis, debugging, and technical investigation, validating and reviewing all output before it ships.
  • Operate in a remote Agile team alongside engineering and customer support.

TRAKSTAR HIRE

Enterprise Applicant Tracking System (ATS)
hire.trakstar.com ↗
Context
10+ year-old enterprise ATS platform covering applicant tracking, job management, interview scheduling, reporting, and hiring operations.
Engineering
Modernized the production codebase, upgrading core Python, Django, and database versions while managing legacy dependencies, compatibility issues, migrations, regression risk, and production rollout. Reworked CI test distribution across test runners. Diagnosed and fixed performance, security, and RBAC defects across tightly coupled components without breaking existing customer workflows. Contributed to AI-powered resume parsing and candidate data extraction inside hiring workflows.
Impact
Cut CI pipeline execution time from approximately 2 hours to 35 minutes. Coordinated the database version upgrade using AWS Blue/Green deployment to keep the release reversible.
Stack:Python · Django · Django REST Framework · React · Backbone.js · PostgreSQL · MongoDB · AWS · Docker · Jenkins · Cypress · Jest · Elasticsearch · RabbitMQ · Redis · Sentry · Splunk · New Relic · PagerDuty
2023
Jun 2023 – Apr 2025

AVIOX TECHNOLOGIES PVT. LTD.

Senior Python Developer
Mohali, India · Product & Consulting

Senior engineer on a team delivering both client engagements and internal product work.

  • Worked directly with clients to gather requirements, clarify scope, and translate business processes into technical implementation plans.
  • Delivered assigned scope across the full lifecycle: implementation, testing, deployment, and post-release production support.
  • Contributed to technical decisions, automation, code review, CI/CD pipelines, and AWS deployments across multiple projects.

TALENTCO

AI-Driven Hiring Platform
Context
Hiring platform using semantic candidate matching and recommendation to connect job descriptions with candidate profiles.
Engineering
Built backend APIs and core platform services in Django REST Framework as part of a small engineering team. Implemented resume processing and structured candidate data extraction from unstructured documents. Developed semantic matching between job descriptions and candidate profiles using transformer-based embeddings, with FAISS powering vector similarity search over candidate records. Built asynchronous resume processing pipelines with Celery and Redis to keep document handling off the request path.
Impact
Supported AWS deployment, CI/CD, and release workflows, and implemented GDPR-related handling requirements for candidate data.
Stack:Python · Django REST Framework · MongoDB · Celery · Redis · Sentence Transformers · FAISS · AWS
BARYON LIMS· Laboratory Information Management System

Laboratory Information Management System built for a UK-based client, processing COVID-19 test results using lab-defined calculation criteria, verified by registered doctors, with sample data uploaded in batches from partner labs and equipment. Worked as senior backend developer within the team, collaborating with the solution architect on system design and setting up the backend infrastructure and deployment process from scratch, with GDPR-compliant handling of patient data.

Technologies: Python · Django REST Framework · React · AWS (EC2, S3, SQS, RDS) · Celery · Firebase
DOC AI CHATBOT· Document Question Answering & Retrieval System

Web app where users upload PDFs or text for analysis, extracting summaries, guides, and manuals. Used Llama2 and Hugging Face Transformers for document processing and chat interaction, with Retrieval-Augmented Generation (RAG) for context-aware responses based on document content.

Technologies: Python · Django · PostgreSQL · WebSockets · Hugging Face · Llama2 · RAG · AWS EC2
2020
Dec 2020 – Jun 2023

VISIONTREK COMMUNICATION

Python Developer
Mohali, India · Web Applications

Built and maintained production web applications, moving from feature development into broader backend and release responsibility.

  • Developed REST APIs and third-party integrations, and debugged issues reported from live environments.
  • Engaged with clients and the engineering team to investigate issues and turn requirements into working software.
  • Took on progressively more complex backend and production work, including testing and release support.

GFR LOGISTICS

Cargo and Shipment Management Platform
gfrlogistics.com ↗
Context
Greenfield cargo booking and shipment management platform built for a logistics operator.
Engineering
Sole engineering owner end to end, from greenfield build through testing, deployment, and production delivery. Worked directly with the client to gather requirements and convert a manual booking process into a digital workflow. Developed the full-stack application together with its supporting infrastructure, including API integration, Azure deployment, and managed database and caching services.
Impact
Client reported an approximate 30% improvement in sales and productivity after replacing the manual booking process.
Stack:Python · Django · MongoDB · Managed MySQL · Managed Redis · React · Azure

GATER CRM

Visitor & Gatekeeper Management System
Context
Built for an Indian government security agency (client name withheld under NDA and security requirements). The system needed to manage visitors and gatekeepers through video capture, integrated with the agency's ERP system.
Engineering
Led the full-stack development from initial build through deployment, working directly under senior management. Integrated video capture to support visitor and gatekeeping workflows, with a Django backend and an Ajax/jQuery frontend.
Impact
Delivered within the agreed timeline.
Stack:Python · Django · OpenCV · Ajax · jQuery

TRACKD MUSIC

Music Collaboration Platform
trackdmusic.com ↗
Context
Platform for musicians to record, collaborate on, and share tracks using smartphones and tablets.
Engineering
Worked as backend developer, building REST APIs and backend features for music recording, collaboration, and content sharing in Django REST Framework. Implemented asynchronous workflows with Celery and Redis, and integrated Firebase and Stripe. Wrote automated API, unit, and Selenium tests to maintain reliability and code quality, and supported CI/CD pipelines with Jenkins.
Impact
Supported the platform through multiple feature releases and ongoing production maintenance.
Stack:Python · Django REST Framework · MySQL · PostgreSQL · Celery · Redis · Firebase · Stripe · AWS · Jenkins · Selenium
2019
Aug 2019 – Jul 2020

WEBTUNIX AI

Python Intern
Mohali, India · Internship

Contributed to Python web development, feature implementation, and application debugging within the engineering team. Supported machine-learning integration work, along with deployment and development environment setup.

RADEONN· Real Estate Web Application

Backend developer building a real estate web application from scratch, including APIs, backend functionality, and a customized Django admin panel. Collaborated with the client, frontend team, project manager, and senior engineer, and supported AWS deployment and testing.

Technologies: Python · Django · Django REST Framework · AWS
TOTARA LMS MIGRATION AUTOMATION· Course Migration Automation System

Python and Selenium automation tool that migrated approximately 1,000 courses from Totara 13 to Totara 18, replacing a repetitive manual migration process. Included a Tkinter desktop interface for operating the tool, SQLite for local data handling, and a Windows executable installer for easy installation.

Technologies: Python · Selenium · Tkinter · SQLite
Technical Focus
Engineering Focus Areas
Backend Architecture & APIs
REST APIs, Django REST Framework, FastAPI, role-based access control (RBAC), production defect resolution covering performance and security.
System Modernization
Multi-version Python and Django upgrades, legacy database migrations, compatibility handling, Blue/Green reversible deployments, regression risk management.
Distributed Tasks & Messaging
Celery worker pipelines, Redis caching, RabbitMQ and AWS SQS message brokers, asynchronous document processing off the request path.
Practical AI Engineering
Resume parsing, semantic candidate matching, transformer embeddings, FAISS vector search, RAG-based question answering, and use of Claude, Devin, and Cursor to accelerate code analysis and debugging.
Production Support & Incident Response
On-call responsibility, incident investigation, root cause analysis, defect resolution, and CI test distribution optimization.
Technologies
Backend
Python, Django, Django REST Framework, FastAPI, Flask
Databases
PostgreSQL, MongoDB, MySQL, Elasticsearch, SQLite, Oracle
Async & Messaging
Celery, Redis, RabbitMQ, AWS SQS
Cloud & Infrastructure
AWS, Azure, DigitalOcean, Docker, Linux
Testing & Observability
Jenkins, Git, GitHub, GitLab, Bitbucket, Cypress, Jest, Selenium, Jira, Sentry, New Relic, Splunk, PagerDuty
AI
Sentence Transformers, FAISS, Hugging Face, Llama2, RAG
Frontend
React.js, Backbone.js, HTML, CSS, Bootstrap, Ajax
Engineering Practices
Agile, Scrum, Kanban, code review, production support, incident response, legacy modernization
Credentials & RecognitionAcademic degrees, professional training, and verified assessments
Academic Education
Master of Computer Applications (MCA)
Lovely Professional University
June 2024 – September 2026
Bachelor of Computer Applications (BCA)
SGGS College, Chandigarh
June 2015 – May 2018
Professional Training
Python Industrial Training
Netmax Technologies, Chandigarh
January 2019 – May 2019
Computer Basics Diploma
Career Computer Point, Mohali
July 2018 – December 2018
Skill Honors
Top 5% | LinkedIn Django Skill Assessment, ranked among approximately 105,000 developers.

Get in Touch

Available for Senior Python Developer, Backend Engineer, and Technical Lead roles. Immediate Joiner.

Location preference: remote. Open to hybrid roles in Gurgaon, Delhi, or Noida, and on-site roles in Chandigarh, Mohali, or Panchkula.

thepardeephere@gmail.com+91 8437379367+91 9779882321LinkedIn Profile ↗

Project work shown above was built using employer- and client-managed source control under signed confidentiality agreements, so the code isn't available in a personal GitHub. Full-time employment across these roles also didn't leave time to maintain one separately.