CircuitWall Consultancy

Expert Java, Spring, JVM performance tuning, big data, real-time processing and machine learning consultancy by Andrew Wu in Stockholm, Sweden.


About Me


I’m Andrew Wu, an Engineering Manager based in Stockholm, Sweden, leading high-performing AI/ML teams in developing cutting-edge solutions. With over 15 years of experience in technology and a proven track record in both technical leadership and team management, I specialize in building cohesive, efficient teams that deliver exceptional results in the AI/ML space.

Leadership & Management

  • Building and leading cross-functional AI/ML engineering teams
  • Fostering a culture of innovation and continuous learning
  • Driving technical excellence and best practices
  • Mentoring and developing technical talent
  • Improving team efficiency and delivery processes

Technical Expertise

  • AI/ML Engineering

    • Machine Learning Operations (MLOps)
    • Production ML systems architecture
    • AI solution design and implementation
    • Data pipeline optimization
    • Model development and deployment
  • Technology Leadership

    • Cloud architecture and migration strategies
    • Enterprise application development
    • Big data infrastructure and analytics
    • System scalability and performance
    • Security and compliance

Professional Background

  • 15+ years in software engineering and technology
  • Extensive experience in Java, Python, and cloud technologies
  • Deep expertise in big data processing and ML systems
  • Strong focus on cloud-native architectures
  • Proven track record in team leadership and project delivery

I’m passionate about helping organizations build and scale their AI/ML capabilities while maintaining high team engagement and technical excellence. Whether you’re looking to enhance your ML operations, build a high-performing team, or need strategic technical guidance, I’m here to help.

Feel free to contact me or connect on LinkedIn to discuss how we can work together.

Recent Updates

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Services


End-to-end consulting across the JVM, data, and ML stack.

CircuitWall Consultancy

Big Data & Machine Learning

Transform your data into actionable insights with cutting-edge Big Data and Machine Learning solutions. From data pipeline architecture to production-ready ML models, I help organizations harness their data for competitive advantage.

  • Data Engineering

    • Scalable data pipelines
    • Real-time processing
    • Data warehouse architecture
    • ETL optimization
  • Machine Learning

    • Custom model development
    • Real-time recommendations
    • Fraud detection
    • NLP & Computer Vision
    • Time series forecasting
  • Technology Stack

    • Processing: Apache Storm, Flink, Spark
    • Data Platform: Kafka, Cassandra, HDFS
    • Analytics: Athena, BigQuery
    • ML/AI: TensorFlow, PyTorch, Vertex AI
    • MLOps: Kubeflow, MLflow, DVC

Benefits

  • Data-driven decisions
  • Automated processes
  • Predictive capabilities
  • Real-time insights
  • Scalable solutions
CircuitWall Consultancy

Cloud Technology

Transform your business with enterprise-grade cloud solutions that drive innovation, reduce costs, and accelerate time to market. With extensive experience in major cloud platforms, I help organizations optimize their cloud infrastructure for maximum efficiency and scalability.

  • Cloud Migration & Modernization

    • Assessment and migration planning
    • Cloud-native transformation
    • Infrastructure as Code (IaC)
    • Cost optimization
  • Multi-Cloud Solutions

    • Google Cloud Platform: BigQuery, Cloud Storage, Vertex AI, Cloud Functions, Cloud Run
    • Amazon Web Services: EC2, VPC, S3, Athena, Lambda
    • Platform Engineering: Cloudfoundry, Kubernetes, CI/CD, Security & Compliance

Benefits

  • Reduced operational costs
  • Enhanced scalability and reliability
  • Improved security and compliance
  • Faster time to market
  • Data-driven decision making
CircuitWall Consultancy

Enterprise Application Development

Leverage 15+ years of enterprise software development expertise to build robust, scalable applications that drive business value. Specializing in modern architecture patterns and cloud-native development.

  • Enterprise Solutions

    • Microservices architecture
    • Cloud-native development
    • Legacy system modernization
    • API design and integration
  • Technology Stack

    • Backend: Java/Spring (10+ years), Python (5+ years), Golang (2+ years)
    • Frontend & API: Modern JavaScript, REST/GraphQL
    • Database: MySQL, PostgreSQL, MongoDB, Redis
    • MLOps: Vertex AI, ML pipelines, Model monitoring
  • Development Practices

    • Agile/CI/CD
    • Test-driven development
    • Infrastructure as Code
    • Security-first design

Benefits

  • Faster time-to-market
  • Improved performance
  • Scalable architecture
  • Lower maintenance costs

Recent Writing


Notes from the field on Java, JVM tuning, Kafka, and applied ML.

· 8 min read

Kafka 1: Basics

As a consultant, admitting “I don’t know” can be challenging. A few months ago, I began working as a DevSecOps engineer on a large Kafka …

Read article →