Senior Software Engineer | AI & LLM Engineer

Location
Romania
Desired Salary
50 - USD/hourly
Work preference
Full Time
Joined
2 Jul 2026
Field / Industry
Software Engineering
Status: Actively looking
Relocation: No
Notice Period: Immediate

This user has not passed any tests yet

English - Romanian -

About Me

I am a Senior Software Engineer with more than 10 years of experience building high-performance backend systems, data pipelines, and scalable microservices. My current focus is production AI and LLM application engineering, where I design reliable systems that combine deterministic logic with modern language model capabilities.

I have worked across healthcare, telecom, ERP, e-commerce, and FinTech, which has given me a broad perspective on building software for complex business environments. I am especially experienced in Python and its ecosystem, including Django, FastAPI, Flask, Celery, and asyncio, and I enjoy solving problems involving concurrency, performance, and system reliability.

In recent roles, I have built production AI solutions using OpenAI, Anthropic Claude, Azure OpenAI, and Amazon Bedrock. My work has included RAG pipelines, agentic and multi-agent systems, structured extraction, prompt engineering, and LLM-integrated services deployed in cloud environments.

I also have strong hands-on experience with PostgreSQL, RESTful API design, Docker, Kubernetes, Terraform, and CI/CD automation. I have contributed to infrastructure and deployment workflows across AWS, Azure, and GCP, and I am comfortable working across the full software delivery lifecycle.

As a founder and lead engineer, I have built a B2B SaaS platform for autonomous AI voice and email agents, and I have also led modernization efforts for legacy systems, including migrations from C++ to Python. I value clean architecture, scalable design, and practical engineering decisions that support long-term maintainability.

Overall, I bring a combination of backend engineering depth, cloud and DevOps experience, and modern AI product development. I am interested in roles where I can continue building advanced software systems and production-grade AI solutions that create measurable business value.

Skills

PythonAWSKubernetesReactDockerAzureCI CDGCPTerraformAutomationDevOpsPostgreSQLMySQLMicroservicesMongoDBTestingRedisOracleDjangoFlask

Education

Universitatea Vasile Alecsandri
2012

Ecology and Environment Protection

College / Postgraduate studies

Colegiul National Alexandru Ioan Cuza
2009

Computer Science

Experience

Senior AI Engineer @ Brightbeam
Jun 2025 - Jul 2026

Built an Azure-based platform for automated claims resolution using LLM-driven extraction and classification with deterministic validation and business rules. Architected a memory-bounded concurrent processing model to eliminate out-of-memory failures under sustained production load. Integrated Cohere Rerank on Azure AI Foundry, implemented deduplication and resolution caching, and operated production workloads on Azure Container Apps with Terraform-provisioned infrastructure. Automated document and email intake workflows and delivered a customer-facing AI chatbot on Amazon Bedrock.

Founder & Lead Engineer @ TheRunner AI
Jan 2026 - Present

Built a B2B SaaS platform delivering autonomous AI voice and email agents for business communication and customer engagement. Implemented multi-channel messaging across WhatsApp, SMS, and email behind a unified agent layer. Provisioned AWS infrastructure as code with Terraform and exposed platform capabilities through a custom Model Context Protocol server.

Senior Software Engineer @ Exadel
Jan 2023 - Jun 2025

Led migration of a legacy platform from C++ to Python and modernized architecture, tooling, and test coverage. Defined database schema and architecture, built data analysis pipelines for multi-country billing projections, and contributed to cloud infrastructure setup and automated deployments.

Senior Software Engineer @ Dell Technologies
Jul 2022 - Dec 2022

Engineered a high-throughput Python CLI tool for sensitive data sanitization, reducing processing latency by 80%. Implemented a hybrid execution model using multiprocessing, asyncio, and threading, and developed asynchronous pipelines for archive decompression and recompression.

Senior Python Engineer @ Ringy
Jul 2021 - Jul 2022

Refactored a Django ORM codebase with custom query classes and generators to optimize database performance. Integrated WooCommerce and other third-party services, automated background tasks with Celery, and managed CI/CD pipelines and AWS production infrastructure.

Software Engineer @ Endava
Apr 2019 - Jul 2021

Developed automated testing frameworks for maritime connectivity systems and engineered a certificate management microservice with secure data handling on Docker, Kubernetes, and AWS. Architected a data harmonization platform across AWS and GCP and hardened an enterprise Java portal against critical vulnerabilities.

Senior Python Engineer @ Upwork (Freelance)
Jan 2018 - Jan 2023

Delivered global full-stack and automation solutions using Django, DRF, and PostgreSQL. Built a high-performance distributed web crawler for market price analysis and scaled an e-commerce platform on Azure Kubernetes with improved test coverage.

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