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I'm Jonathan Jones, a Senior Software Engineer with 15+ years of experience in full-stack development using Python, Node.js, TypeScript, React, GraphQL, Azure, and AWS. I have hands-on experience in microservices, RESTful and GraphQL API development, integrating modern third-party Auth and public API integration, database optimization, and leading a culture of continuous improvement to deliver measurable business impact. I'm passionate about building scalable systems, mentoring engineers, and delivering high-quality software that aligns with business goals and user needs.…I'm Jonathan Jones, a Senior Software Engineer with 15+ years of experience in full-stack development using Python, Node.js, TypeScript, React, GraphQL, Azure, and AWS. I have hands-on experience in microservices, RESTful and GraphQL API development, integrating modern third-party Auth and public API integration, database optimization, and leading a culture of continuous improvement to deliver measurable business impact. I'm passionate about building scalable systems, mentoring engineers, and delivering high-quality software that aligns with business goals and user needs.

Jonathan Jones

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

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I'm Jonathan Jones, a Senior Software Engineer with 15+ years of experience in full-stack development using Python, Node.js, TypeScript, React, GraphQL, Azure, and AWS. I have hands-on experience in microservices, RESTful and GraphQL API development, integrating modern third-party Auth and public API integration, database optimization, and leading a culture of continuous improvement to deliver measurable business impact. I'm passionate about building scalable systems, mentoring engineers, and delivering high-quality software that aligns with business goals and user needs.…I'm Jonathan Jones, a Senior Software Engineer with 15+ years of experience in full-stack development using Python, Node.js, TypeScript, React, GraphQL, Azure, and AWS. I have hands-on experience in microservices, RESTful and GraphQL API development, integrating modern third-party Auth and public API integration, database optimization, and leading a culture of continuous improvement to deliver measurable business impact. I'm passionate about building scalable systems, mentoring engineers, and delivering high-quality software that aligns with business goals and user needs.

Available to hire

I’m Jonathan Jones, a Senior Software Engineer with 15+ years of experience in full-stack development using Python, Node.js, TypeScript, React, GraphQL, Azure, and AWS. I have hands-on experience in microservices, RESTful and GraphQL API development, integrating modern third-party Auth and public API integration, database optimization, and leading a culture of continuous improvement to deliver measurable business impact.

I’m passionate about building scalable systems, mentoring engineers, and delivering high-quality software that aligns with business goals and user needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Coalition, Inc

January 1, 2025 - Present

Built scalable distributed systems, real-time payment flows, and microservices architectures while optimizing APIs, ETL pipelines, and SQL workloads across Python, Node.js, Azure, AWS, and Kubernetes. Implemented real-time authentication with OAuth and JWT; led migration of a legacy monolith into a microservices architecture; developed RESTful, GraphQL, and SOAP APIs; built real-time data processing solutions using Azure Functions, Event Grid, Cosmos DB, and Data Factory; created a responsive frontend with React/Next.js. Reduced API call frequency and data processing overhead by 60% through an optimized data-fetching pipeline. Automated infra deployments on AWS (ECS/Fargate, Lambda, SQS); designed ETL pipelines with Python, Airflow, Kinesis, S3, and DynamoDB/Elasticsearch; built CI/CD pipelines with CodePipeline, GitHub Actions, Docker, and Kubernetes; wrote unit and E2E tests; mentored engineers and aligned product backlogs with customer impact.

Senior Software Engineer at Coalition, Inc

January 1, 2022 - December 31, 2024

Contributed to Coalition’s cyber-risk backend platform by designing microservices, event-driven pipelines, and high-throughput data processing systems. Upgraded monolithic architecture to microservices; developed RESTful and SOAP APIs using Python, Django, DRF, FastAPI, SQLAlchemy, and Celery; built event pipelines with AWS Step Functions, ECS Fargate, SQS, and Analytics DB; created a Node.js backend with Nest.js, TypeScript, MongoDB, Redis, TypeORM, Socket.io, JWT, OAuth; established CI/CD with Azure DevOps and AKS; delivered responsive frontend visuals in React/Redux and Angular; improved frontend performance by 40% through advanced JS techniques; authored OpenAPI documentation and fostered developer-friendly API design.

Senior Full Stack Engineer at Affirm

September 1, 2016 - December 31, 2021

Designed and delivered a real-time streaming platform using Python, Django, React, Node.js, and cloud services (AWS/GCP). Led expansion of event ingestion across regions and migration from Kinesis to Kafka to reduce costs and improve stability. Built microservice-backed backend with Python/Django, FastAPI, Node.js, and cloud deployments; crafted dashboards with React/Redux, Angular/NgRx, and D3/Chart.js; managed data storage with PostgreSQL, MySQL, and MongoDB; automated deployments via AWS ECS/Fargate, Lambda, Step Functions, SQS, and EKS; implemented CI/CD pipelines and automated testing.

Full Stack Developer at Global Payments, Inc

April 1, 2014 - September 30, 2016

Built a developer-first QA automation platform with Python, Django, FastAPI, and Express.js; orchestrated test queues and mainframe automation workflows; delivered real-time dashboards using React/Redux and Angular with NgRx; migrated data layers and optimized schemas for fast reporting; automated deployments with Terraform and GitHub Actions across CI/CD pipelines.

Full Stack Developer at Virtusa

January 1, 2011 - March 31, 2014

Developed compliance-reporting and job-monitoring systems using ASP.NET (VB.NET), Python, MySQL and automation tooling; built internal pivot-reporting tool, job-monitoring architecture, and data pipelines for trade-transaction cleanup; designed lightweight frontends with jQuery/Bootstrap; authored RCA playbooks and trained engineers on automation practices.