Senior Software Engineer Python, Backend, Data Engineering

Shiva Gaire

Senior Software Engineer Dallas, Texas, United States

Email: **********@*****.*** Phone: +1-469-***-**** Website: https://dev.shivagaire.com.np LinkedIn: linkedin.com/in/geeksambhu GitHub: github.com/geeksambhu Summary:

Senior Software Engineer with over 8 years of experience in designing and developing scalable backend systems, with expertise in Python, Rust, and cloud-native technologies including AWS, GCP, Kubernetes, and Terraform. Built high-performance APIs, leading engineering initiatives, and contributing to infrastructure automation and platform reliability

.Contributed across startups and enterprise environments with a strong emphasis on ownership, collaboration, and technical excellence. AWS Certified Solutions Architect with a passion for open source, developer tooling, and system design. Highlights:

● Developed a Rust-based real-time trade matching engine for futures trading, integrating with Firestore via gRPC.

● Refactored API interacting with GCP Pub/Sub, achieving a 5x performance improvement in real-time systems.

● Designed and implemented backend architecture for DeFi platform to sync onchain data and analytics APIs.

● Automated SOC2 compliance on AWS using Terraform, eliminating 100% of manual steps.

● Introduced and enforced a testing framework, reaching 70% code coverage across 12 microservices.

● Migrated log normalization engine from Python to Rust, improving normalization throughput by 8x. Skills:

● Programming Languages: Python, Rust, Go, JavaScript/TypeScript, Node.js

● Library & Frameworks: FastAPI, Django, Flask, React, Express, Actix

● Cloud & DevOps: AWS (Lambda, S3, RDS, EKS, ECS), GCP, Terraform, Docker, Kubernetes, ArgoCD, Jenkins, GitHub Actions

● Data & Messaging: PostgreSQL, MongoDB, MySQL, Redis, DynamoDB, ScyllaDB, SQS, Kafka, gRPC, Celery

● OS: Linux/Unix, OSX, Windows

● Testing/Tooling: Pytest, Pydantic, Cucumber, SonarQube, Git, Jira, Sentry, Grafana

● Other: REST, GraphQL, Microservices, CI/CD, Agile, TDD, Nginx, Gunicorn, Langchain, WebAssembly Professional Experience:

Southwest Airlines(Contract via Compunnel, Inc) - Senior Software Engineer Texas (Dallas), United States Aug 2025 - Present

-Led modernization of TechOps systems, migrating on-prem Java-based microservices for invoice, vendor, and order processing to Python-based AWS Lambda architecture.

-Designed and implemented serverless data pipelines using AWS Glue, S3, SQS, and SNS, improving data reliability, event automation, and operational scalability.

-Drove transition from legacy infrastructure to cloud-native, event-driven systems, enhancing cost efficiency and reducing maintenance overhead.

Prohance Technologies LLC-Senior Software Engineer Texas (Dallas), United States Feb-2024 - Aug - 2025

Client: Cropguard.ai

-Led the automation of SOC2 readiness across AWS infrastructure using Terraform, eliminating all manual checkpoints and embedding compliance into the deployment lifecycle, reducing audit preparation time to near zero

-Architected legacy Django DRF APIs supporting crop insurance estimate generation to support dual database routing between a read-only gold DB and operational app DB, reducing the need for periodic sync improving reliability and product efficiency.

-Designed and managed production-grade Kubernetes workloads on AWS EKS, leveraging GitOps principles with ArgoCD for secure, auditable, and declarative deployments across environments.

-Developed a FastAPI service powered by Langchain and Langserve, allowing crop insurance agents to query and reason over 84,000+ USDA RMA policy documents integrating LLMs. This solution unified retrieval-augmented generation with real regulatory data, showcasing practical application of generative AI in a production setting. Client: IMX Health

● Architected and implemented a low-latency Rust-based matching engine consuming gRPC streams from Firestore.

● Refactored FastAPI endpoints integrating GCP Pub/Sub, resulting in 5x throughput improvement.

● Led process enhancements introducing swimlanes that increased weekly release velocity by 30%.. Resimator Oy - Senior Software Engineer Turku, Finland Apr 2023 – Jan 2024

-Developed scalable microservices using FastAPI, SQS, and Redis, deployed via ArgoCD on AWS EKS.

-Authored Rust + WebAssembly policies for Kubernetes pod security enforcement using Kubewarden.

-Initiated migration from monolith to microservices, improving maintainability and scaling backend systems.

-Led testing efforts, achieving 70% code coverage, and established CI pipelines to maintain test integrity.

-Mentored junior engineers and conducted knowledge-sharing sessions on system design and backend best practices.

-Enhanced monitoring and observability with Grafana and Sentry, aligning with service-level objectives. Monox.finance - Backend Consultant(Part Time Contract) Remote Mar 2020 - Apr 2023

-Architected and implemented backend architecture for a DeFi and DAO platform spanning Ethereum (L1), Polygon, and Avalanche (L2) networks, enabling cross-chain trading and governance.

-Built and customized subgraphs using The Graph Protocol for real-time cross-chain analytics, supporting liquidity, swap, and governance tracking across blockchain ecosystems.

-Designed and maintained CI/CD pipelines with Docker, Kubernetes, GitHub Actions, and AWS ECS/EKS, ensuring reliable deployment of blockchain analytics and indexing services.

-Led Python and Node.js microservices development integrating on-chain smart contract data with AWS Lambda, S3, and DynamoDB, powering analytics and DAO insights.

-Contributed to the exchange listing of $MONO on Huobi by developing secure data integration APIs and enhancing transaction transparency.

-Architected data synchronization systems to maintain consistency between on-chain smart contracts and off-chain financial analytics platforms.

Logpoint - Senior Software Engineer Denmark Sep 2017 - Apr 2023

-Led migration of legacy on-prem monolithic backend systems to AWS cloud leveraging Terraform, AWS Lambda, and serverless architecture.

-Led refactoring of log normalization engine from Python to Rust, improving throughput by 8x.

-Designed and implemented plugin based notification architecture to support SMPP,SMTP, SNMP, HTTP based notification features that contributed to a 20% increase in annual recurring revenue.

-Built a Rust-based FFI tool integrate with python util for secure credential encryption

-Built a product documentation platform using Django, Elasticsearch, and React, fully automated via Jenkins CI/CD setup leveraging existing rst documents.

-Enhanced threat detection with MITRE ATT&CK rule integration.

-Designed and built a MongoDB, Express, React, redux & Node.js full-stack responsive application, increasing marketing and sales team lead generation by 60%.

-Deployed Python, Flask application in production with NGINX, Gunicorn WSGI in on-premise Linux server and instances, Jenkins Pipeline, and experience with VMware, vsphere, on-premise hardware

-Mentored junior engineers and collaborated with regional teams to integrate an acquired SOAR product, promoting alignment and continuous learning across locations.

-Integrated Salesforce SOAP & Zendesk RESTful APIs for customer data synchronization.

-Strengthened artifact security by implementing checksum verification and GnuPG signing. Education:

Bachelor in Computer Engineering ( B.E. ), Tribhuvan University, 2013-2017 Relevant Coursework: Data Structure and Algorithm, Operating System, Database Systems, Big Data, Discrete Structure, Statistics, Artificial Intelligence, Embedded Systems, Distributed Systems, Computer Science Open Source Contribution:

Kubewarden: Fixed open issues in Kubewarden, an open-source Kubernetes policy engine for pod security and compliance built using Rust and Wasm. No of PR merged: #4. Link to PR Meilisearch-Python: Refactored to improve Python type hinting and merged a PR for a Python client of the open-source search engine Meilisearch implemented in Rust. No of PR merged: 1. PR Link Lightning-AI/LitServe: Fixed bug for LitServe Middleware initialization . PR Link Community involvements:

-Volunteered at codeday.org for under-served students to explore the future in tech and beyond.

-Mentored in Humbledata workshop at PyConUS 2024 for beginner data science workshop

-Lightning talk at PyTexas 2024 on debugging techniques in Python Projects Certifications:

● AWS Certified Solution Architect Associate, AWS(2025)

● MLOps Specialization, Coursera, 2023

● Blockchain Specialization, Coursera, 2019

Publications:

● "Blockchain in Handicraft Supply-chain Management", International Journal of Advanced Engineering, 2019

● “Systematization of Knowledge: Security and Safety in the Model Context Protocol Ecosystem”, 2025

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