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I’m a backend developer focused on building reliable infrastructure and APIs for AI-powered products. I’ve worked on an OpenAI-compatible B2B SaaS platform that unified access to 70+ AI models from many providers, including defining model onboarding flows, routing rules, pricing logic, and API documentation across multiple modalities. I also enjoy performance and engineering quality improvements—optimizing authentication-gated request pipelines, tuning database/cache behavior, and delivering production-ready services. Beyond backend work, I’ve contributed to billing with Stripe, implemented rate limiting and quota-based controls, built Docker Compose environments, and created real-time Telegram bot integrations for analytics and alerts.…I’m a backend developer focused on building reliable infrastructure and APIs for AI-powered products. I’ve worked on an OpenAI-compatible B2B SaaS platform that unified access to 70+ AI models from many providers, including defining model onboarding flows, routing rules, pricing logic, and API documentation across multiple modalities. I also enjoy performance and engineering quality improvements—optimizing authentication-gated request pipelines, tuning database/cache behavior, and delivering production-ready services. Beyond backend work, I’ve contributed to billing with Stripe, implemented rate limiting and quota-based controls, built Docker Compose environments, and created real-time Telegram bot integrations for analytics and alerts.

Andrei Titov

Back-End Developer, DevOps Developer, Software Engineer, +3

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I’m a backend developer focused on building reliable infrastructure and APIs for AI-powered products. I’ve worked on an OpenAI-compatible B2B SaaS platform that unified access to 70+ AI models from many providers, including defining model onboarding flows, routing rules, pricing logic, and API documentation across multiple modalities. I also enjoy performance and engineering quality improvements—optimizing authentication-gated request pipelines, tuning database/cache behavior, and delivering production-ready services. Beyond backend work, I’ve contributed to billing with Stripe, implemented rate limiting and quota-based controls, built Docker Compose environments, and created real-time Telegram bot integrations for analytics and alerts.…I’m a backend developer focused on building reliable infrastructure and APIs for AI-powered products. I’ve worked on an OpenAI-compatible B2B SaaS platform that unified access to 70+ AI models from many providers, including defining model onboarding flows, routing rules, pricing logic, and API documentation across multiple modalities. I also enjoy performance and engineering quality improvements—optimizing authentication-gated request pipelines, tuning database/cache behavior, and delivering production-ready services. Beyond backend work, I’ve contributed to billing with Stripe, implemented rate limiting and quota-based controls, built Docker Compose environments, and created real-time Telegram bot integrations for analytics and alerts.

Available to hire

I’m a backend developer focused on building reliable infrastructure and APIs for AI-powered products. I’ve worked on an OpenAI-compatible B2B SaaS platform that unified access to 70+ AI models from many providers, including defining model onboarding flows, routing rules, pricing logic, and API documentation across multiple modalities.

I also enjoy performance and engineering quality improvements—optimizing authentication-gated request pipelines, tuning database/cache behavior, and delivering production-ready services. Beyond backend work, I’ve contributed to billing with Stripe, implemented rate limiting and quota-based controls, built Docker Compose environments, and created real-time Telegram bot integrations for analytics and alerts.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Beginner

Russian

Fluent

Work Experience

AI Backend developer at Titov Andrei (Fullstack/Backend developer)

August 1, 2024 - July 1, 2026

Built infrastructure for a B2B SaaS platform that provided developers unified access to 70+ AI models via a single OpenAI-compatible API. Owned the model onboarding pipeline including data contracts, pricing logic, routing rules, and API documentation for text, image, video, audio, and speech modalities across 30+ providers. Integrated AI provider APIs by adapting upstream protocols to the platform’s unified interface. Contributed to billing infrastructure with Stripe: credits reservation and a tarification/pricing engine. Built and maintained rate-limiting systems with per-key quotas and quota-based triggers. Managed Docker Compose environments across dev, staging, and production.

AI/Backend Infrastructure Developer (Full-Stack) at Titov Andrei

August 1, 2024 - July 31, 2026

Built infrastructure for a B2B SaaS platform that provided developers unified access to 70+ AI models via a single OpenAI-compatible API. Owned the model onboarding pipeline including data contracts, pricing logic, routing rules, and API documentation across multiple modalities (text, image, video, audio, speech) and 30+ providers. Integrated upstream provider APIs by adapting them into the platform’s unified interface. Contributed to billing infrastructure with Stripe, including credits reservation and a tarification engine. Built and maintained rate-limiting systems (per-key quotas and quota-based triggers) and managed Docker Compose environments across dev, staging, and production.

Backend developer at Unlim a (as written in resume)

September 1, 2023 - September 1, 2024

Worked as a backend developer on production Node.js services across multiple verticals. Contributed to multiple shipped products through integration and production deployment, including REST APIs with JWT auth and Swagger documentation, real-time pipelines with WebSockets, and bot-driven workflows for analytics and trading/swap automation.

Backend Developer at Unspecified

September 1, 2023 - September 30, 2024

Backend engineer on a cross-functional team delivering production Node.js services across automotive, crypto/DeFi, and internal tooling. Contributed to all products shipped by the team from integration to production deployment. Shipped an automotive market intelligence REST API (JWT auth, Swagger docs) and a Telegram bot interface for aggregating listings and generating benchmarking and analytics. Built crypto/DeFi Telegram bots for realtime Solana event ingestion, WebSocket streaming, alert generation, and subscription/invoice flows. Developed a TON swap bot with wallet PnL tracking, configurable limits, commission management, and Telegram-driven withdrawal flows.

RTS Programming teacher at RTS

September 1, 2022 - September 1, 2023

Mentored beginners in Python, JavaScript, HTML, and CSS, guiding students from no prior experience through the fundamentals of writing, reading, and thinking in code. Developed a teaching approach emphasizing clarity and practical examples over theory.

Programming Teacher at RTS

September 1, 2022 - September 30, 2023

Taught programming fundamentals to beginners, covering Python, JavaScript, HTML, and CSS. Mentored students from zero to writing, reading, and reasoning about code with a clarity- and practice-first approach.