Usman F

@usman_choudhary
4,9(140)

Level 2

Senior Backend and AI Engineer: FastAPI, AWS, RAG, LLM Solutions

Pakistan
Englisch, Urdu, Arabisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I’m a Senior Backend & AI Engineer specializing in FastAPI, AWS, and production-grade LLM systems. I build scalable APIs, AI agents, RAG pipelines, and automation tools using Python, LangChain, and vector databases—with a strong focus on reliability, performance, and security. Engineering-first approach: Clean architecture, cloud-native deployment, clear documentation, and maintainable code. If you’re building AI-powered infrastructure, I’ll help you ship it the right way—from MVP to production. ... Mehr lesen

Kompetenzen

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usman_choudhary
Usman F
30 $/Stunde
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

KI-Integrationen
I will build production ready ai agents, rag systems and llm saas apps
4,9(97)
Fehlerbehebung und Verbesserungen
I will rescue, fix and secure your vibe coded app built with lovable, bolt or cursor
4,9(29)

Möchtest du auf Stundenbasis arbeiten?

Erzähle Usman F, was du brauchst.

30 $

/

Stunde

Portfolio

Arbeitserfahrung

Senior Backend / AI Engineer

Disoriti • Vollzeit

Jan 2025 - Dec 202511 mos

Designed and launched Disoriti, an AI-powered ad generation SaaS for SMEs. ● Built a vision-aware dynamic layout system integrating CV + LLM pipelines for ad text placement. ● Developed multi-tenant backend architecture with secure API Gateway and JWT-based RBAC. ● Integrated LangChain-based orchestration for prompt enhancement, layout generation, and image generation (SDXL). ● Deployed production-grade services on AWS Fargate + Lambda with serverless triggers for usage-based pricing. ● Delivered a scalable pipeline capable of generating thousands of ads per day, reducing manual creative work by 70%.

Senior Software Engineer

BleedAi • Vollzeit

Jan 2024 - Dec 202411 mos

● Led backend development of SaaS product Upautomate, leveraging serverless + event-driven architecture. ● Built reusable microservice templates adopted company-wide, cutting dev time by 30%. ● Implemented FastAPI-based REST APIs with TDD, reducing post-deployment bugs by 40%. ● Automated workflows with AI integrations, boosting internal efficiency by 25%. ● Mentored junior engineers and introduced best practices for scalable AI backend development.

140 Bewertungen
4,9

(133)
(4)
(1)
(1)
(1)
Zusammensetzung der Bewertung
  • Kommunikation
    4,9
  • Qualität der Lieferung
    4,9
  • Preis-Leistungs-Verhältnis der Lieferung
    4,9
1–5 von 140 Bewertungen
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    image-docs

    benoitpecqueur

    Wiederkehrender Kunde

    US

    Vereinigte Staaten

    5

    Ursam delivered clean, reliable work on a complex project. Strong technical skills, communicates clearly, and hits deadlines without hand-holding. Exactly what you want in a developer. Will work with him again.

    1.500 $-2.000 $

    Preis

    6 Tagen

    Dauer

    gig

    KI-Integrationen

    Bild des Arbeitsbeispiels
    Hilfreich?
    Ja
    Keine
    M
    image-docs

    mbulandr

    Wiederkehrender Kunde

    US

    Vereinigte Staaten

    5

    Usman represents the best in communication, delivery and understanding. He is shaping the work that I am doing in unbelievable ways, and I cannot express enough my deep appreciation for his thought leadership, partnership, and technical acumen. He has my highest recommendation!

    100 $-200 $

    Preis

    1 Tag

    Dauer

    gig

    KI-Integrationen

    Hilfreich?
    Ja
    Keine
    B

    bchua08

    SG

    Singapur

    5

    Enjoyed working with Usman. He understood the project requirements very quickly and able to show results.

    600 $-800 $

    Preis

    2 Wochen

    Dauer

    gig

    KI-Integrationen

    Hilfreich?
    Ja
    Keine
    P

    petersaur

    US

    Vereinigte Staaten

    5

    Would work with again in the future :)

    1.000 $-1.500 $

    Preis

    5 Wochen

    Dauer

    gig

    KI-Integrationen

    Hilfreich?
    Ja
    Keine
    B
    image-docs

    benoitpecqueur

    Wiederkehrender Kunde

    US

    Vereinigte Staaten

    5

    Again great work. Super happy with quality of work

    600 $-800 $

    Preis

    6 Tagen

    Dauer

    gig

    KI-Integrationen

    Bild des Arbeitsbeispiels
    Hilfreich?
    Ja
    Keine