Siva Sankar Rao Annamreddy

VP Engineering | Distributed Systems Architect | Fintech Modernization Leader
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About Me

I am an engineering leader with over 16 years of experience architecting large-scale distributed systems, modernizing legacy platforms, and leading high-impact engineering teams across global financial institutions. I bring deep expertise in event-driven architecture, cloud-native systems, and high-throughput trading platforms.

I am known for combining strong technical depth with strategic leadership to deliver resilient, scalable, and secure fintech solutions. My approach focuses on reducing manual intervention and accelerating trading throughput by integrating complex platforms with multiple portfolio manager systems.

I am passionate about building engineering cultures that value ownership, performance, and innovation. I actively mentor engineers across global teams to drive engineering excellence, architectural consistency, and high-quality delivery.

Professional Experience

GOLDMAN SACHS - Vice President, Engineering

May 2021 — Present

Location: Dallas, TX

Role: Vice President, Engineering

Impact:
  • Architected and delivered a cloud-native managed account platform from the ground up, supporting funding, outflows, and termination workflows for internal and external portfolio managers.
  • Led the decommissioning of decade-old legacy infrastructure, migrating all portfolio managers to a modern, event-driven platform with improved reliability, scalability, and operational transparency.
  • Integrated the platform with multiple portfolio manager systems, reducing manual intervention and accelerating trading throughput.
  • Designed and implemented tax-aware gifting and distribution algorithms, enabling wealth advisors to optimize tax outcomes and estate planning strategies.
  • Built a real-time tax-harvesting engine (loss & gain harvesting) used by wealth advisors to reduce client tax burdens and improve portfolio performance.
  • Established foundational infrastructure including Akka event-driven framework, MongoDB clusters, AWS environments, and GitLab CI/CD pipelines.
  • Lead and mentor a team of senior engineers, driving engineering excellence, architectural consistency, and high-quality delivery.
  • Serve as the technical owner in cross-team planning, aligning engineering decisions with product, operations, and compliance.
  • Proactively identify and mitigate technology and enterprise risks, ensuring security, stability, and scalability.

GOLDMAN SACHS - Vice President, Engineering

February 2018 — May 2021

Location: Salt Lake City, Utah, USA

Role: Vice President, Engineering

Impact:
  • Built a Portfolio Management application and integrated it with trading systems for seamless order execution.
  • Continued ownership of core trading and portfolio management modules while transitioning to US-based engineering leadership responsibilities.
  • Led cross-team initiatives to improve system reliability, reduce operational risk, and enhance performance across trading workflows.
  • Partnered with US-based product, compliance, and operations teams to align engineering delivery with business priorities.
  • Drove architectural improvements and modernization efforts across reference data and trading systems.
  • Mentored junior and mid-level engineers across global teams, strengthening engineering culture and delivery quality.

GOLDMAN SACHS - Associate, Engineering

June 2011 — February 2018

Location: Bangalore, India

Role: Associate, Engineering

Impact:
  • Designed and developed Order Management Systems for Mutual Funds, Private Equity, and Equity IPO trading using Gemfire distributed cache and Akka event-driven frameworks.
  • Led settlement, dividend processing, and reconciliation across multiple systems, improving accuracy and reducing operational overhead.
  • Developed a high-performance framework to load millions of reference data records into distributed cache with minimal latency.
  • Delivered reference data services via REST APIs to multiple trading applications.
  • Owned several system modules, driving new features, performance improvements, root-cause analysis, and production stability.
  • Oversaw production support activities and resolved critical issues under tight SLAs.
  • Executed JBoss upgrades and contributed to Mutual Fund non-financial processing and Equity IPO book building.

BNY MELLON - Senior Associate

June 2010 — June 2011

Location: Bangalore, INDIA

Role: Senior Associate

Impact:
  • Enhanced a rules-engine-based trading system used by global banking partners.
  • Integrated new rules and polars, ensuring high-quality code delivery without impacting existing functionality.
  • Identified product risks and ensured compatibility with future system enhancements.
  • Developed payment processing flows including authorization and settlement for credit cards, customer accounts, checks, and gift cards.
  • Built features for shipment optimization, tax calculation, and gift wrap charges.
  • Executed test cases in production environments and resolved customer issues efficiently.

Skills

Java 11 & J2EESpring BootMicroservices architectureAWSDocker & CI/CDKubernetes & OpenShiftKafka messaging systemAKKA toolkitMongoDBRelational databases (Oracle)Angular frameworkRESTful API'sHAProxy & EnvoyPrometheus & ELK StackOpen Tracing

Certifications

Sun Microsystems
Sun Certified Java Programmer (SCJP), 90%
Sun Microsystems

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Sun Microsystems
Sun Certified Web Component Developer (SCWCD), 95%
Sun Microsystems

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Contact

LinkedIn: https://www.linkedin.com/in/sivasankar129/

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