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I'm Adrian Helgiu, a Staff Software Engineer focusing on distributed systems, cloud architecture, and event-driven platforms. I design and scale real-time platforms that handle millions of events per day, define service boundaries, and guide architecture across multiple teams to deliver reliable, low-latency results. I enjoy mentoring engineers, driving cross-team initiatives, and turning complex business workflows into robust technical platforms. I'm passionate about real-time data, system reliability under high load, and enabling teams to move from batch to streaming workloads.…I'm Adrian Helgiu, a Staff Software Engineer focusing on distributed systems, cloud architecture, and event-driven platforms. I design and scale real-time platforms that handle millions of events per day, define service boundaries, and guide architecture across multiple teams to deliver reliable, low-latency results. I enjoy mentoring engineers, driving cross-team initiatives, and turning complex business workflows into robust technical platforms. I'm passionate about real-time data, system reliability under high load, and enabling teams to move from batch to streaming workloads.

Adrian Helgiu

Full Stack Developer, Back-End Developer, Front-End Developer, +6

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I'm Adrian Helgiu, a Staff Software Engineer focusing on distributed systems, cloud architecture, and event-driven platforms. I design and scale real-time platforms that handle millions of events per day, define service boundaries, and guide architecture across multiple teams to deliver reliable, low-latency results. I enjoy mentoring engineers, driving cross-team initiatives, and turning complex business workflows into robust technical platforms. I'm passionate about real-time data, system reliability under high load, and enabling teams to move from batch to streaming workloads.…I'm Adrian Helgiu, a Staff Software Engineer focusing on distributed systems, cloud architecture, and event-driven platforms. I design and scale real-time platforms that handle millions of events per day, define service boundaries, and guide architecture across multiple teams to deliver reliable, low-latency results. I enjoy mentoring engineers, driving cross-team initiatives, and turning complex business workflows into robust technical platforms. I'm passionate about real-time data, system reliability under high load, and enabling teams to move from batch to streaming workloads.

Available to hire

I’m Adrian Helgiu, a Staff Software Engineer focusing on distributed systems, cloud architecture, and event-driven platforms. I design and scale real-time platforms that handle millions of events per day, define service boundaries, and guide architecture across multiple teams to deliver reliable, low-latency results.

I enjoy mentoring engineers, driving cross-team initiatives, and turning complex business workflows into robust technical platforms. I’m passionate about real-time data, system reliability under high load, and enabling teams to move from batch to streaming workloads.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Fullstack AI Engineer / Technical Owner at Netguru

August 1, 2024 - Present

Owned the full technology stack across frontend (React/Next.js), backend (Node.js, Python), and GCP infrastructure. Designed and deployed LLM-powered systems in production using OpenAI and Vertex AI. Built internal agentic workflows to automate engineering tasks and enable AI-assisted development. Implemented structured prompt engineering, RAG pipelines, CI/CD pipelines on Cloud Run/Cloud Functions, and production monitoring. Verified AI-generated code for architectural consistency and reliability. Collaborated with product leadership to define AI features and produced clear technical documentation.

Senior Fullstack Engineer at Catawiki

February 1, 2022 - June 30, 2024

Developed scalable fullstack applications using TypeScript, React, and Node.js; built backend services in Python and deployed on GCP/AWS. Designed REST APIs and implemented authentication and data workflows. Improved CI/CD pipelines and automated deployment processes. Ensured production reliability through structured logging, monitoring, and performance tuning. Led code reviews and mentored engineers to maintain high-quality standards. Collaborated with product teams to ship customer-facing features.

Full Stack Engineer at Scurri

February 1, 2019 - November 30, 2021

Built frontend interfaces using React and backend APIs using Node.js and Python. Integrated third-party services and built scalable API-driven systems. Managed Dockerized services and improved development automation workflows. Contributed to CI/CD pipelines to streamline deployments. Participated in production debugging and performance optimization. Collaborated in Agile environments delivering end-to-end features and improving system architecture and maintainability.

Software Engineer at Adyen

April 1, 2014 - December 31, 2018

Developed backend services in distributed cloud environments handling high-volume transactions. Improved reliability through structured testing and code reviews. Collaborated with cross-functional engineering and product teams. Optimized database queries and backend performance. Contributed to automation of deployment workflows and monitoring improvements. Worked within high-availability systems requiring production-grade stability.

Senior Software Engineer (Contract) at NetGuru

August 1, 2024 - Present

Architected and led the implementation of a distributed platform enabling real-time operational workflows across teams, forming the backbone for business-critical processes. System Design & Architecture: Designed an event-driven platform processing millions of events per day across 10+ microservices, ensuring real-time decision-making. Defined service boundaries, data flow, and messaging topology with AWS SQS, SNS, and Lambda, ensuring idempotency and fault recovery. Implemented tradeoffs between strong vs eventual consistency, scalability vs complexity, and latency vs correctness. Developed fault-tolerant pipelines, improving system availability under high loads. Leadership & Impact: Acted as technical authority across 5+ teams (30+ engineers), driving cross-team alignment and ensuring consistent architectural practices. Defined and enforced standardized architecture and CI/CD patterns, reducing friction and enhancing maintainability. Mentored engineers on distributed systems best pra

Senior Software Engineer at Catawiki

February 1, 2022 - June 1, 2024

Designed and built high-integrity financial systems handling transaction workflows with strict correctness requirements, ensuring system stability at scale. System Design & Technical Leadership: Designed event-driven financial systems with Kafka, RabbitMQ, and SQS, ensuring fault tolerance and consistency across services. Optimized PostgreSQL and Snowflake for high-throughput financial data processing, enhancing system scalability and reducing latency. Developed distributed messaging architectures that ensured data integrity even in failure scenarios. Leadership & Impact: Led cross-team initiatives to improve system reliability and efficiency, mentoring engineers and leading architecture discussions across teams. Defined scalable data handling strategies and messaging patterns, ensuring consistency and fault tolerance across business-critical workflows. Business Impact: Enabled high-volume transaction workflows, improving the system’s ability to handle thousands of concurrent financi

Senior Software Engineer at NetGuru

August 1, 2024 - Present

Architected and led the implementation of a distributed platform enabling real-time operational workflows across teams, forming the backbone for business-critical processes. Designed an event-driven architecture processing millions of events per day across 10+ microservices to support real-time decision making. Defined service boundaries, data flow, and messaging topology using AWS SQS, SNS, and Lambda, ensuring idempotency and robust failure recovery. Evaluated tradeoffs between strong vs eventual consistency, scalability vs complexity, and latency vs correctness. Built fault-tolerant pipelines to improve availability under heavy load. Served as technical authority across 5+ teams (30+ engineers), defined standardized architecture and CI/CD patterns, and mentored engineers in distributed systems. Resulted in a 25% end-to-end latency reduction and a transition to real-time operation with reduced manual interventions.

Full Stack Engineer at Scuri

February 1, 2019 - November 1, 2021

Spearheaded monolith-to-microservices transformation to improve scalability and fault isolation. Designed event-driven pipelines (Kafka, RabbitMQ) to decouple services and enable independent scaling. Introduced real-time data processing enabling better operational visibility and faster decision-making.