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Self-taught full-stack developer who ships entire products solo—codebase, infrastructure, design, and operations. Built and launched six production platforms across travel tech, live commerce, real-time messaging, gig marketplaces, developer tooling, and self-hosted infrastructure. Works primarily with Python and FastAPI, using Docker and gVisor for sandboxed execution, and builds Android clients in Kotlin / React Native on top of self-developed APIs. Also undertakes adversarial evaluation work for frontier language models, focusing on failure modes and robust engineering over meetings.…Self-taught full-stack developer who ships entire products solo—codebase, infrastructure, design, and operations. Built and launched six production platforms across travel tech, live commerce, real-time messaging, gig marketplaces, developer tooling, and self-hosted infrastructure. Works primarily with Python and FastAPI, using Docker and gVisor for sandboxed execution, and builds Android clients in Kotlin / React Native on top of self-developed APIs. Also undertakes adversarial evaluation work for frontier language models, focusing on failure modes and robust engineering over meetings.

Lohit Tummala

Web Developer, Programmer, Full Stack Developer, +3

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Self-taught full-stack developer who ships entire products solo—codebase, infrastructure, design, and operations. Built and launched six production platforms across travel tech, live commerce, real-time messaging, gig marketplaces, developer tooling, and self-hosted infrastructure. Works primarily with Python and FastAPI, using Docker and gVisor for sandboxed execution, and builds Android clients in Kotlin / React Native on top of self-developed APIs. Also undertakes adversarial evaluation work for frontier language models, focusing on failure modes and robust engineering over meetings.…Self-taught full-stack developer who ships entire products solo—codebase, infrastructure, design, and operations. Built and launched six production platforms across travel tech, live commerce, real-time messaging, gig marketplaces, developer tooling, and self-hosted infrastructure. Works primarily with Python and FastAPI, using Docker and gVisor for sandboxed execution, and builds Android clients in Kotlin / React Native on top of self-developed APIs. Also undertakes adversarial evaluation work for frontier language models, focusing on failure modes and robust engineering over meetings.

Available to hire

Self-taught full-stack developer who ships entire products solo—codebase, infrastructure, design, and operations. Built and launched six production platforms across travel tech, live commerce, real-time messaging, gig marketplaces, developer tooling, and self-hosted infrastructure.

Works primarily with Python and FastAPI, using Docker and gVisor for sandboxed execution, and builds Android clients in Kotlin / React Native on top of self-developed APIs. Also undertakes adversarial evaluation work for frontier language models, focusing on failure modes and robust engineering over meetings.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Advanced

Telugu

Fluent

Hindi

Intermediate

Work Experience

AI Evaluation Contractor at Handshake AI

January 1, 2026 - Present

Authored adversarial evaluation tasks designed to challenge frontier language models and reveal reasoning and code-generation failure modes. Worked against a per-task approval bar with a daily cadence, iterating through reviewer feedback loops until acceptance. Applied backend and systems engineering depth to construct problems models could not reliably solve.

Independent Full-Stack Developer & Founder at Self-directed (FareEagle, Haatzo, and other ventures)

January 1, 2020 - Present

Built and shipped six production web platforms solo across travel, e-commerce, messaging, gig work, developer tooling, and infrastructure. Owned every layer: product strategy, system architecture, backend, frontend, mobile, deployment, operations, and customer support. Operates FareEagle as a registered MSME and incorporates under Ishaanvi Holidays Private Limited; runs Haatzo as a sole proprietorship.

Independent Full-Stack Developer & Founder at Self-directed (multiple products)

January 1, 2020 - Present

Built and shipped six production web platforms end-to-end solo across travel, e-commerce, messaging, gig work, developer tooling, and infrastructure. Owned every layer: product strategy, system architecture, backend, frontend, mobile, deployment, operations, and customer support. Operated products as a registered MSME (UDYAM-AP-04-0126855) and incorporated/expanded businesses (e.g., FareEagle incorporating; Haatzo as sole proprietorship).