Open to opportunities

Brian Xu

@brianxu

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Goal-oriented Senior Software Engineer with expertise in AI technologies.

United States

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What I'm looking for

I seek a challenging role in a dynamic environment where I can leverage my skills in AI and full-stack development to drive innovation and contribute to impactful projects.

As a Senior Software Engineer with over 8 years of experience, I have successfully led cross-functional teams at renowned companies like Google, Reddit, and Databricks. My expertise lies in full-stack engineering, focusing on backend development and leveraging cutting-edge AI technologies to architect robust SaaS products and high-throughput data pipelines.

Throughout my career, I have been recognized for my ability to blend diverse technologies into cohesive solutions that exceed performance and compliance objectives. I have a proven track record of driving agile execution and delivering high-quality products on aggressive schedules, ensuring that my teams consistently meet and surpass project milestones.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

MAX.AI

Apr 2024 - Present (1 year 4 months)

Led the development of Mavrick V3, a no-code orchestration engine for building production-grade multi-agent flows, combining LangChain, LangGraph, LiteLLM, and Ray Serve behind a FastAPI layer. Directed the product roadmap for Maverick V3 + Nova Agent, translating executive vision into clear engineering milestones and coordinating with design, ML, and UX teams.

Lang Chain LangGraph fastAPI PostgreSQL Faiss Langfuse Python PyMuPDF YOLO Tesseract Nginx JWT OAUTH2 LLM Gemini Spring Boot Go)Snowflake Apache Airflow

Senior Software Engineer

Databricks

Nov 2022 - Present (2 years 9 months)

Served as lead engineer on cross-org efforts connecting Delta Lake with AI/ML tooling, aligning infra APIs with platform roadmap and product requirements. Designed cloud-agnostic infrastructure using Kubernetes and Terraform to power big data and ML workloads on Databricks, enabling scalability across AWS, Azure, and GCP.

Senior Software Engineer

Apr 2021 - Present (4 years 4 months)

Owned critical paths in Reddit’s comment delivery pipeline, improving backend reliability and latency under peak loads with a 30% reduction in rendering delays. Built and optimized Go, Java, and Python microservices for post editing, voting, and reporting through optimized DB SQL queries and migration of REST to gRPC services.

Go)Java Python PostgreSQL Cassandra Kafka RabbitMQ OpenAPI Swagger Elasticsearch Redis React LIT Gin Golang JavaScript TypeScript Kubernetes Apache Kafka Flink AWS IAM Amazon Cognito

Software Engineer

Google

Oct 2018 - Present (6 years 10 months)

Led the migration of security services to a microservices-based architecture with Go, Java, and Python frameworks, improving scalability and fault tolerance, supporting traffic spikes. Shipped a Borg-hosted binary-scanner that inspected 10K+ prod builds per day, trimming median patch lag for critical CVEs 30% within one quarter.

Go)Java Python Borg Sapience YouTube Ads Beam Dataflow GDPR MapReduce Flink Cassandra GKE Gorilla Mux PostgreSQL gRPC Protobuf Ruby OpenAPI

Software Engineer Intern

May 2017 - Present (8 years 3 months)

Deployed an anomaly-detection pipeline on Apache Spark Streaming and Kafka, classifying around 3B behavioral events every day and driving a 35% drop in spam. Added GraphX login-graph and geo-velocity features, boosting fraud-model AUC and eliminating 20% of false positives.

Kafka GraphX TensorFlow scikit learn Python GBDT Docker Azkaban Samza

Education

Degrees, certifications, and relevant coursework

Massachusetts Institute of Technology

Master of Engineering, Computer Science

2017 - 2018

Completed a Master of Engineering in Computer Science, deepening expertise in advanced computer science principles and applications. Authored an internal white paper on standardizing the fraud stack for LinkedIn's 2018 Trust-and-Safety playbook, which later became the MEng thesis.