Senior Backend Engineer: Python, Django, Flask, AWS, Docker, APIs, data ingestion, observability.

Last updated: June 26, 2026

About Me

Senior Software Engineer specializing in building scalable backend systems, APIs, and data pipelines with Python, Django, and Flask. Experienced in web crawling, processing large datasets, and optimizing system performance for reliability and efficiency.

I enjoy solving complex backend challenges, improving infrastructure, and collaborating with cross-functional teams to deliver robust, production-ready solutions.

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Experience

Senior Software Engineer

4tech-it

Apr 2025 - Present

  • Owned backend production services, ensuring uptime and rapid resolution of critical incidents.
  • Improved observability using monitoring and logging to reduce recovery time during outages.
  • Collaborated on backend architecture and API design for scalable service delivery.
  • Supported deployment pipelines and cloud infrastructure for production workloads.

Software Engineer

LYST

May 2016 - Mar 2025

  • Architected and maintained distributed crawler systems ingesting structured data from thousands of external sources.
  • Owned backend services responsible for throughput, data correctness, and operational stability.
  • Designed APIs and internal services to support large-scale ingestion pipelines.
  • Participated in on-call rotations, debugging failures and restoring services under time-critical conditions.
  • Reduced crawler failure rates through infrastructure improvements and system-level optimizations.
  • Worked across services to improve reliability, performance, and fault tolerance.
  • Maintained production systems through continuous delivery cycles and live incidents.

Freelance Developer

GoData

Jan 2017 - Mar 2025

  • Built backend services and automation workflows for data-heavy applications.
  • Delivered scalable Python-based solutions for client projects.

Data Specialist

PULLA

Mar 2015 - Apr 2016

  • Developed RESTful APIs to expose analytics data for internal and external consumers.
  • Optimized MySQL schemas and queries for large datasets.
  • Performed data analysis and visualization using Python to support business decision-making.

Software Engineer

CODE X LLC

Jan 2011 - Feb 2015

  • Built automation and analytics components using Python, Perl, and C#.
  • Developed data processing pipelines and reporting systems using SQL Server.
  • Mentored junior engineers on backend development and debugging practices.

Projects

CareerHolo

A job aggregation platform built with Python, FastAPI, PostgreSQL, Redis, Celery, and Scrapy. It collects, normalizes, and serves engineering job data through backend APIs, with Docker-based deployment.

careerholo.com

Technical Skills

Languages & Frameworks

Python Django Flask Scrapy Golang Perl C# JavaScript

Databases & Data

MySQL SQL Server pandas NumPy matplotlib Alteryx

Cloud & DevOps

AWS Docker Linux Git CI/CD CircleCI

Observability & Tools

Grafana Kibana Sentry Jira