p
pollob666

Andalib

@pollob666
4,6(10)

Helping you to find simple Solution for Data Maintenance

Bangladesh
Inglês, Bengali
Algumas informações são exibidas no idioma inglês.
Sobre mim
💾 Database Design & SQL Optimization Expert I help businesses design, optimize, and secure high-performance databases. Skilled in MySQL/MariaDB, complex SQL queries, bulk updates, indexing, performance tuning, data cleaning, and safe migrations (10K–400K+ records). I follow a backup-first, transaction-safe approach to protect data integrity. I also develop and publish mobile apps (Android & Flutter), handling store compliance, deployment, and backend integration. Reliable. Structured. Performance-focused. ... Saiba mais

Habilidades

p
pollob666
Andalib
offline • 

Conheça meus serviços

Desenvolvimento de Banco de Dados
I will design, normalize and optimize your sql database professionally
Aplicações Web Full Stack
I will build a custom laravel web application with API integration and secure backend

Portfólio

Experiência profissional

Citizen Portal Maintenance Consultant

Bangladesh Public Procurement Authority (BPPA), IMED, Ministry of Planning, Government of Bangladesh • Período integral

May 2025 - Present1 yr

Leading infrastructure, DevOps, and performance optimization for national-scale government digital platforms. Managing virtualization and high-performance servers ensuring 99.9% uptime for mission-critical services. Architected CI/CD pipelines using GitLab and containerized services with Docker for scalable deployments. Performed deep database tuning and system optimization to handle high citizen traffic. Strengthened analytics dashboards and secured digital communications for millions of users.

Technology Manager

Dnet • Período integral

Jun 2015 - Jan 20259 yrs 7 mos

Led a 15-member technology team delivering high-scale digital and telecom platforms. Designed and deployed a Mobile VAS system serving 200,000+ daily users. Managed BDT 23M+ annual budgets, reducing infrastructure costs by 27% and vendor costs by 61%. Directed database administration, high-availability architecture, and performance optimization initiatives reducing downtime by 25%. Ensured secure, scalable, and cost-efficient operations.

Network Engineer

Mobizone Telecommunication Services Ltd. • Período integral

Nov 2014 - Jul 20158 mos

Provided technical leadership for the RBT (Ring Back Tone) platform serving 20M+ subscribers. Designed and developed Banglalink RBT VAS user portal for playlist, billing, and support management. Maintained RBT servers, databases, and software in-house, reducing vendor AMC costs by 45% and database support costs by 60%. Implemented database redundancy protocols increasing availability by 18% and optimized licensing contracts reducing costs by 60%.

10 Avaliações
4,6

(9)
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Classificação detalhada
  • Nível de comunicação do freelancer
    4,6
  • Recomendar a um amigo
    4,6
  • Serviço conforme a descrição
    4,6
1-5 fora das 10 avaliações
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    M

    mastergalvan

    US

    Estados Unidos

    1

    cancelled order. seller failed to deliver on time!

    Útil?
    Sim
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    M

    matthijse

    NL

    Holanda

    5

    Very good assistence and very helpful

    Útil?
    Sim
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    C
    image-docs

    chhcmaine

    US

    Estados Unidos

    5

    Seller found and fixed my errors. Built upon my ideas. Created a user friendly interface in the forms. Very good technique, quick delivery, and requested feedback several times during the gig. Very impressed! Looking forward to more gigs with you!

    Útil?
    Sim
    Não
    H
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    haiqalsheriff

    SG

    Singapura

    5

    friendly and awesome job done. thanks.

    Útil?
    Sim
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    C
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    chrisad21

    GR

    Grécia

    5

    Outstanding Experience!

    Útil?
    Sim
    Não