00 / INDEX
SENIOR SOFTWARE ENGINEER
BILLERICA, MA
7+ YRS EXP
Christopher Souza
Backend Systems · AI Agents · Cloud Infrastructure · Full Stack
Building scalable systems and AI-driven workflows that ship.
Senior Software Engineer with 7+ years of experience delivering scalable backend systems and AI-driven workflows — from a cloud-native advertising platform that cut time-to-first-ad by 6x to multi-agent orchestration that shortened creative production from hours to minutes. Focused on API design, cloud infrastructure, and applied AI/ML integration.
Senior AI Software EngineerLaptop Freedom
Full Stack EngineerRethinkFirst
Full Stack DeveloperAxiom Learning
Senior AI Software EngineerLaptop Freedom
Full Stack EngineerRethinkFirst
Full Stack DeveloperAxiom Learning
Senior AI Software EngineerLaptop Freedom
Full Stack EngineerRethinkFirst
Full Stack DeveloperAxiom Learning
Senior AI Software EngineerLaptop Freedom
Full Stack EngineerRethinkFirst
Full Stack DeveloperAxiom Learning
02 / FOCUS
where my work
concentrates
concentrates
BACKEND
sys.01
Backend & API Systems
Scalable services and RESTful APIs — Java Spring Boot microservices, domain-driven data modeling on PostgreSQL, and high-throughput, low-latency architectures.
AI_AGENTS
sys.02
AI Agent Orchestration
Multi-agent LLM systems with OpenAI, LangChain, and LangGraph — RAG pipelines, embeddings, and prompt engineering built into production workflows.
CLOUD_DEVOPS
sys.03
Cloud Infrastructure & DevOps
Containerized services across AWS, Azure, and GCP — Docker, Terraform, and CI/CD pipelines built for reliable, cost-effective weekly releases.
FULL_STACK
sys.04
Full-Stack Product Engineering
End-to-end feature delivery — React, Next.js, Vue/Nuxt, and GraphQL, connecting product-facing UI to the backend systems underneath.
03 / LOG
where i've
worked
worked
Experience
Senior AI Software Engineer11/2023 – 06/2026
Laptop Freedom · Orlando, FL
- Architected the Rocketeer ads platform using Java Spring Boot microservices and domain-driven data modeling on PostgreSQL, delivering 6x faster time-to-first-ad with sub-10-minute campaign launches.
- Integrated the Facebook Marketing API and Mapbox for end-to-end campaign management with geographic targeting, reducing campaign setup errors by 70%.
- Built an n8n workflow orchestrating 5-7 OpenAI agents with AutoGen and prompt engineering to automate ad copy and creative generation, cutting production time from hours to under 2 minutes.
- Built containerized infrastructure with CI/CD pipelines using Docker, Terraform, and GitHub Actions, reducing deployment time by 80% and supporting weekly releases with near-zero production incidents.
Full Stack Engineer05/2021 – 10/2023
RethinkFirst · New York, NY
- Built and optimized backend services and RESTful APIs with C#, .NET, and SQL, enabling high-throughput, low-latency financial analytics and secure authentication.
- Led full-stack development and defined the architecture for AI-powered features using React, Vue.js (Nuxt.js), Next.js, Python, TypeScript, and GraphQL.
- Deployed production AI systems on AWS SageMaker and Bedrock using Terraform across Azure and GCP, reducing inference costs by 40% while scaling to millions of monthly requests.
- Built advanced summarization systems generating lecture notes and session summaries, reducing instructor documentation time by 40% across 10,000+ monthly sessions.
Full Stack Developer06/2019 – 04/2021
Axiom Learning · Cambridge, MA
- Engineered full-stack applications with React, Next.js, Node.js, and Python that modernized learning management and academic operations.
- Delivered custom software that improved enrollment forecasting accuracy by 15% and streamlined tracking of 5,000+ learning resources across multiple campuses.
- Designed scalable backend services on AWS using C# and .NET Core with multi-threaded architecture, delivering 99.9% uptime.
- Established CI/CD pipelines with GitHub Actions to automate testing and deployment, cutting release cycles from weeks to days.
04 / STACK
tools &
capabilities
capabilities
Skills matrix
LANGUAGES
PythonTypeScriptJavaScriptJavaC#SQL
FRAMEWORKS
ReactNext.jsNode.jsSpring Boot.NETFastAPIFlaskDjangoVue.jsNuxt.jsPostgreSQLGraphQL
DEVOPS / CLOUD
AWSAzureGCPDockerTerraformGitHub ActionsCI/CDMCP Servers
AI / ML
LLMsRAG PipelinesLangChainLangGraphLangSmithOpenAIClaudeAutoGenMulti-Agent OrchestrationEmbeddingsVector DatabasesPrompt Engineeringn8n
05 / CONTACT
reach out
directly
directly
Get in touch
Open to senior/staff engineering roles across backend systems, AI/ML integration, and cloud infrastructure.