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Senior Full Stack Engineer with 8+ years of experience delivering scalable SaaS platforms, customer-facing web applications, AI-enabled products, and cloud-native systems across startups, enterprises, and high-growth businesses. Specialized in building scalable product and platform architectures using JavaScript/TypeScript, React, Next.js, Node.js, and cloud-native architectures, with production experience integrating LLMs, AI agents, RAG, and workflow automation. Proven track record translating complex business requirements into reliable production systems that improve user experience, accelerate delivery, increase operational efficiency, and support sustainable product and revenue growth. Experienced across AWS/GCP/Azure, Docker, Kubernetes, and modern DevOps practices, with strong emphasis on observability, release reliability, and production-grade engineering.…Senior Full Stack Engineer with 8+ years of experience delivering scalable SaaS platforms, customer-facing web applications, AI-enabled products, and cloud-native systems across startups, enterprises, and high-growth businesses. Specialized in building scalable product and platform architectures using JavaScript/TypeScript, React, Next.js, Node.js, and cloud-native architectures, with production experience integrating LLMs, AI agents, RAG, and workflow automation. Proven track record translating complex business requirements into reliable production systems that improve user experience, accelerate delivery, increase operational efficiency, and support sustainable product and revenue growth. Experienced across AWS/GCP/Azure, Docker, Kubernetes, and modern DevOps practices, with strong emphasis on observability, release reliability, and production-grade engineering.

Adrian Cata

Full Stack Developer, Software Engineer, DevOps Developer, +2

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Senior Full Stack Engineer with 8+ years of experience delivering scalable SaaS platforms, customer-facing web applications, AI-enabled products, and cloud-native systems across startups, enterprises, and high-growth businesses. Specialized in building scalable product and platform architectures using JavaScript/TypeScript, React, Next.js, Node.js, and cloud-native architectures, with production experience integrating LLMs, AI agents, RAG, and workflow automation. Proven track record translating complex business requirements into reliable production systems that improve user experience, accelerate delivery, increase operational efficiency, and support sustainable product and revenue growth. Experienced across AWS/GCP/Azure, Docker, Kubernetes, and modern DevOps practices, with strong emphasis on observability, release reliability, and production-grade engineering.…Senior Full Stack Engineer with 8+ years of experience delivering scalable SaaS platforms, customer-facing web applications, AI-enabled products, and cloud-native systems across startups, enterprises, and high-growth businesses. Specialized in building scalable product and platform architectures using JavaScript/TypeScript, React, Next.js, Node.js, and cloud-native architectures, with production experience integrating LLMs, AI agents, RAG, and workflow automation. Proven track record translating complex business requirements into reliable production systems that improve user experience, accelerate delivery, increase operational efficiency, and support sustainable product and revenue growth. Experienced across AWS/GCP/Azure, Docker, Kubernetes, and modern DevOps practices, with strong emphasis on observability, release reliability, and production-grade engineering.

Available to hire

Senior Full Stack Engineer with 8+ years of experience delivering scalable SaaS platforms, customer-facing web applications, AI-enabled products, and cloud-native systems across startups, enterprises, and high-growth businesses. Specialized in building scalable product and platform architectures using JavaScript/TypeScript, React, Next.js, Node.js, and cloud-native architectures, with production experience integrating LLMs, AI agents, RAG, and workflow automation.

Proven track record translating complex business requirements into reliable production systems that improve user experience, accelerate delivery, increase operational efficiency, and support sustainable product and revenue growth. Experienced across AWS/GCP/Azure, Docker, Kubernetes, and modern DevOps practices, with strong emphasis on observability, release reliability, and production-grade engineering.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Advanced

Romansh

Advanced

Work Experience

Senior Full Stack Engineer at Zenith Nets

November 1, 2024 - May 1, 2026

Delivered a multi-tenant SaaS platform using React, Next.js, Node.js, PostgreSQL, and AWS for 5,000+ active users, maintaining responsive customer experiences during peak transactional load. Improved frontend architecture with reusable React components, SSR strategies, and shared UI patterns to reduce duplicated implementation effort and improve release consistency. Architected backend services with NestJS and event-driven communication, separating onboarding, billing, and customer operations into independently deployable capabilities to reduce release coupling. Implemented fintech workflows integrating Stripe payments and APIs including subscription billing, invoice generation, reconciliation, payment lifecycle management, and recurring revenue operations. Optimized asynchronous processing, queue orchestration, and caching strategies using RabbitMQ and Redis to resolve backlog scenarios during peak traffic. Designed PostgreSQL data models, indexing, and reporting queries for analytic

AI Software Engineer at Impessud AI Agency

December 1, 2021 - October 1, 2024

Developed enterprise AI products and automation systems for financial services, healthcare, and SaaS organizations using Python, FastAPI, React, PostgreSQL, and Azure. Built production-grade RAG systems by creating ingestion, transformation, embedding, retrieval, and indexing pipelines over enterprise datasets to improve retrieval quality and reduce irrelevant context returned in production workflows. Built AI-assisted document review and enterprise knowledge retrieval systems to reduce dependency on manual document analysis and accelerate access to business information. Developed document intelligence pipelines combining OCR, contextual retrieval, and LLM processing to speed document analysis and improve structured information extraction. Designed and implemented agent orchestration workflows enabling tool-enabled AI agents with controlled execution paths and multi-step business automation. Implemented evaluation and validation mechanisms for prompts, retrieval outputs, and response

Software Engineer at MoldoW EB SRL

November 1, 2019 - December 1, 2021

Developed customer-facing B2B SaaS and subscription-based e-commerce platforms using React, Next.js, Node.js, TypeScript, and PostgreSQL. Led implementation of customer onboarding, account management, subscription, checkout, and order workflows—owning delivery from technical design through production rollout and stabilization. Built frontend and backend capabilities supporting transactions, inventory synchronization, and real-time order consistency. Designed and integrated payment infrastructure using Stripe, PayPal, and Adyen to enable recurring billing and secure international purchasing experiences. Delivered integrations across CRM, ERP, logistics, and marketplace ecosystems supporting end-to-end business operations. Improved responsiveness via frontend optimization, caching strategies, database tuning, and API improvements, reducing average page-load time by 17%. Implemented OAuth 2.0, JWT, and RBAC authentication frameworks across customer-facing applications. Contributed to

Junior Software Engineer at Total Digital Limited

May 1, 2017 - May 1, 2019

Contributed to development of business management, cybersecurity, and e-commerce applications using JavaScript, C#, .NET, MongoDB, and SQL Server. Developed frontend and backend functionalities for inventory management, reporting, customer administration, and internal operations. Assisted with payment integrations, shipping connectivity, and third-party business services. Participated in developing cybersecurity-focused solutions, implementing authentication controls, audit logging, and secure software practices. Developed and maintained RESTful APIs and database-driven services improving maintainability and operational efficiency. Supported production troubleshooting, performance tuning, and release activities to improve stability under operational constraints. Participated in testing and Agile delivery across multiple product iterations. Improved internal operational workflows reducing manual processing effort by approximately 8% through automation and modernization initiatives imp