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I'm Omar Insurriaga, a Senior Full Stack Engineer with 13+ years of experience building scalable backend systems using Python (Django, FastAPI, Flask) and modern frontend technologies. I design robust REST/GraphQL APIs, data services, and cloud deployments to support high-traffic SaaS platforms. I'm passionate about AI/ML workflows, NLP, semantic search, and automation, and I enjoy mentoring teams and promoting clean architecture to deliver maintainable software. In my work, I explore OpenAI GPT-4, Hugging Face transformers, TensorFlow, PyTorch, and LangChain to deliver intelligent automation and analytics. I thrive in collaborative, Agile environments, guiding architectural decisions, building robust CI/CD pipelines on AWS/GCP, and deploying microservices with Kubernetes for reliability and scale.…I'm Omar Insurriaga, a Senior Full Stack Engineer with 13+ years of experience building scalable backend systems using Python (Django, FastAPI, Flask) and modern frontend technologies. I design robust REST/GraphQL APIs, data services, and cloud deployments to support high-traffic SaaS platforms. I'm passionate about AI/ML workflows, NLP, semantic search, and automation, and I enjoy mentoring teams and promoting clean architecture to deliver maintainable software. In my work, I explore OpenAI GPT-4, Hugging Face transformers, TensorFlow, PyTorch, and LangChain to deliver intelligent automation and analytics. I thrive in collaborative, Agile environments, guiding architectural decisions, building robust CI/CD pipelines on AWS/GCP, and deploying microservices with Kubernetes for reliability and scale.

Omar Insurriaga

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

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I'm Omar Insurriaga, a Senior Full Stack Engineer with 13+ years of experience building scalable backend systems using Python (Django, FastAPI, Flask) and modern frontend technologies. I design robust REST/GraphQL APIs, data services, and cloud deployments to support high-traffic SaaS platforms. I'm passionate about AI/ML workflows, NLP, semantic search, and automation, and I enjoy mentoring teams and promoting clean architecture to deliver maintainable software. In my work, I explore OpenAI GPT-4, Hugging Face transformers, TensorFlow, PyTorch, and LangChain to deliver intelligent automation and analytics. I thrive in collaborative, Agile environments, guiding architectural decisions, building robust CI/CD pipelines on AWS/GCP, and deploying microservices with Kubernetes for reliability and scale.…I'm Omar Insurriaga, a Senior Full Stack Engineer with 13+ years of experience building scalable backend systems using Python (Django, FastAPI, Flask) and modern frontend technologies. I design robust REST/GraphQL APIs, data services, and cloud deployments to support high-traffic SaaS platforms. I'm passionate about AI/ML workflows, NLP, semantic search, and automation, and I enjoy mentoring teams and promoting clean architecture to deliver maintainable software. In my work, I explore OpenAI GPT-4, Hugging Face transformers, TensorFlow, PyTorch, and LangChain to deliver intelligent automation and analytics. I thrive in collaborative, Agile environments, guiding architectural decisions, building robust CI/CD pipelines on AWS/GCP, and deploying microservices with Kubernetes for reliability and scale.

Available to hire

I’m Omar Insurriaga, a Senior Full Stack Engineer with 13+ years of experience building scalable backend systems using Python (Django, FastAPI, Flask) and modern frontend technologies. I design robust REST/GraphQL APIs, data services, and cloud deployments to support high-traffic SaaS platforms. I’m passionate about AI/ML workflows, NLP, semantic search, and automation, and I enjoy mentoring teams and promoting clean architecture to deliver maintainable software.

In my work, I explore OpenAI GPT-4, Hugging Face transformers, TensorFlow, PyTorch, and LangChain to deliver intelligent automation and analytics. I thrive in collaborative, Agile environments, guiding architectural decisions, building robust CI/CD pipelines on AWS/GCP, and deploying microservices with Kubernetes for reliability and scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Bashkir

Advanced

Work Experience

Senior Full Stack Engineer at Allstacks

June 1, 2024 - November 25, 2025

Led backend development for a high-volume fintech banking platform, handling real-time transactions, user authentication, and regulatory compliance. Designed and implemented RESTful APIs using NestJS and Joi, improving transaction throughput by 40%. Developed asynchronous microservices to handle scalable payment processing with Fastify, reducing downtime by 25%. Optimized MongoDB queries and integrated Redis caching, improving API response time from 300ms to 120ms. Implemented unit testing and TDD workflows with Jest, increasing code quality and reducing production bugs. Integrated AI-driven anomaly detection for transaction monitoring using TensorFlow and scikit-learn, improving fraud detection accuracy by 30%. Built AI-powered analytics modules to identify user spending patterns. Collaborated with frontend teams using React.js and TypeScript for banking dashboards. Deployed applications using AWS Lambda, EKS, and Docker, ensuring serverless and containerized scalability. Conducted ar

Full Stack Developer at Maxiom Technology

June 1, 2024 - June 1, 2024

Built and maintained enterprise-grade web applications using Fastify and asynchronous tasks with Bull. Enhanced system reliability and scalability by implementing microservices architecture, reducing server load by 30%. Integrated JWT and OAuth2 authentication for secure API endpoints. Developed AI-powered analytics dashboards with React.js and Angular, enabling predictive insights for 100k+ users using TensorFlow and scikit-learn. Implemented NLP-based data categorization for user feedback and reporting, improving analytics accuracy by 25%. Led code reviews, mentorship, and team workshops, improving productivity and code quality. Implemented CI/CD pipelines with GitHub Actions for automated deployments, reducing release cycles from 2 weeks to 3 days. Optimized database queries (MongoDB) and leveraged Mongoose ORM for complex data retrieval.

Senior Frontend Engineer at Citius Tech

September 1, 2021 - September 1, 2021

Developed team management and e-commerce features using Python (Django) and React, Vue, improving workflows for practices, tournaments, and roster management. Optimized PostgreSQL queries and data access patterns for large sports datasets, enhancing frontend performance and reducing latency. Built asynchronous pipelines with Fastify and implemented Redis caching for high-traffic features, improving system throughput and responsiveness. Enhanced cross-device UI with React and Webpack, delivering smooth, responsive experiences on desktop and mobile. Integrated GraphQL endpoints for flexible API access across web and mobile clients.

Full Stack Developer at Sentry

September 1, 2020 - September 1, 2020

Developed features for team management and e-commerce platforms, focusing on scalable backend services and responsive frontend interfaces. Implemented Node.js-based services with Express.js and React; optimized MongoDB queries for large datasets; built asynchronous pipelines using Bull, and implemented Redis caching to improve throughput. Enhanced cross-device UI with React and Webpack; integrated GraphQL endpoints for flexible API access across web and mobile clients.

Full Stack Developer at Redfin

September 1, 2018 - September 1, 2018

Developed Real Estate backend systems in Python to manage property listings and client interactions. Built dynamic frontend components using React.js and vanilla JavaScript. Implemented SQL query optimization to handle large property datasets efficiently. Assisted in API design for mobile and web applications. Improved CI/CD pipelines, reducing deployment errors by 15%. Integrated caching mechanisms using Redis to enhance performance.

Frontend Developer at Eleks

July 1, 2014 - July 1, 2014

Developed responsive web interfaces using HTML5, CSS3, and JavaScript. Collaborated closely with backend teams to integrate APIs and data models. Assisted in UI/UX optimization for enterprise clients.

Full Stack Engineer at Maxiom Technology

October 1, 2021 - June 1, 2024

Delivered enterprise-grade backend services in Python (FastAPI), orchestrating asynchronous tasks with Celery for large-scale data workflows. Scaled platform via microservices, distributed processing, and optimized data pipelines—reducing server load by 30%. Implemented secure authentication with OAuth2/JWT and advanced RBAC for multi-tenant SaaS environments. Built AI-powered text classification, sentiment analysis, and semantic clustering pipelines with OpenAI + LangChain, improving analytics accuracy by 25%. Designed and delivered data-intensive dashboards with React + Python APIs, integrating LLM-powered insights for 100k+ SaaS users. Built serverless applications using AWS Lambda (Python), DynamoDB, and EventBridge, reducing operational overhead and improving scalability. Built CI/CD pipelines using GitHub Actions and Docker, cutting release cycles from 2 weeks → 3 days. Tuned PostgreSQL/MySQL performance and implemented advanced SQLAlchemy ORM patterns for high-volume analyti

Senior Full Stack Developer at Citius Tech

July 1, 2020 - September 1, 2021

Healthcare technology solutions focusing on patient-management, EMR interoperability, and clinical analytics. Built features to manage patient workflows, optimized PostgreSQL queries, materialized views, and indexing for large-scale datasets. Developed asynchronous healthcare data pipelines using FastAPI, Celery, and Redis to improve data throughput for diagnostics and patient-event ingestion. Delivered clinician-facing UIs using React and Vue with optimized rendering and cross-device responsiveness. Deployed high-availability containerized systems on EKS/ECS with autoscaling, service mesh patterns, and resource-optimized clusters. Implemented GraphQL endpoints to securely access EMR and clinical datasets across web and mobile apps.

Full Stack Developer at Sentry

October 1, 2018 - September 1, 2020

Engineered and optimized backend Python services powering real-time error ingestion pipeline, increasing throughput by 40%. Developed REST APIs and microservices in Django to support issue grouping, alerting logic, and real-time event processing. Improved React-based monitoring dashboards and visualization components used for performance, tracing, and release health insights. Implemented end-to-end observability using CloudWatch, OpenSearch, Prometheus, Grafana, and Sentry, enabling real-time monitoring and incident visibility. Built interactive components for real-time error streams and session metrics used by 100k+ engineering teams. Contributed to Python SDK improvements for performance instrumentation, error context, and trace sampling. Automated CI/CD workflows for Python services and frontend builds using GitHub Actions, Kubernetes, and Docker.