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~20 seg
a la primera oferta
95+
ofertas por proyecto
369+
Database Administrators en línea
Sin pagos adelantados: paga únicamente cuando estés satisfecho con el trabajo entregado

10,0
10,0
97%

Surat, India
$15 USD por hora

9,1
9,1
99%

Salamina, Greece
$44 USD por hora

9,2
9,2
100%

BANGKOK, Thailand
$130 USD por hora

8,8
8,8
99%

Dubai, United Arab Emirates
$20 USD por hora

10,0
10,0
98%

Jaipur, India
$4 USD por hora

8,9
8,9
100%

Khulna, Bangladesh
$15 USD por hora

9,4
9,4
98%

Karachi, Pakistan
$20 USD por hora

9,2
9,2
99%

dhaka, Bangladesh
$7 USD por hora

9,2
9,2
99%

RAJAHMUNDRY, India
$9 USD por hora
¿Buscas contratar un Database Administrator? Estos son los proyectos mejor valorados de Database Administration que se realizaron recientemente en Freelancer, seleccionados a partir de opiniones verificadas de clientes con una puntuación de 4.5 estrellas o más, y que se actualizan mensualmente.
EL PROYECTO
A SQL Server Express instance was configured via remote session, with SSMS installed and an MDF file attached so tables and data were immediately queryable. The client confirmed full access to their database restored.
RESEÑA DEL CLIENTE
He was amazing. I am so happy to have my database again
.NET · SQL · Windows Server
EL PROYECTO
Resolved a WordPress wp-admin HTTP 500 error caused by an exhausted /tmp filesystem, restoring MySQL's ability to build temporary tables and recovering backend access. A freelancer with a 100% completion rate and the Preferred Freelancer badge completed the work.
RESEÑA DEL CLIENTE
Very satisfied with Ali, will hire again !
PHP · Linux · WordPress
EL PROYECTO
6am AI Studio was installed on a shared cPanel server, with database configuration, SSL activation, and dependency setup all handled end-to-end. A handover document was included so the client could replicate the process independently.
RESEÑA DEL CLIENTE
Nice work done by him.
PHP · Linux · MySQL
EL PROYECTO
A graph model was built over an existing Oracle database using Oracle Spatial & Graph, mapping tables into vertices and edges for PGQL-based trend analysis. Sample queries and a walkthrough document were delivered alongside the schema.
RESEÑA DEL CLIENTE
Good knowledge and delivered on time, I wish all the best for their upcoming assignments
SQL · Oracle · Data Visualization
EL PROYECTO
Roughly 1.5 million B2B contacts were cleaned, verified, and deduplicated into a CRM-ready CSV, with a separate file of undeliverable records and a full audit trail supplied. The freelancer carries a 5.0 rating across 130 reviews.
RESEÑA DEL CLIENTE
Very knowgable and professional. Thank you
Data Processing · Data Entry · CRM
A database administrator is a specialist who designs, configures, secures, and maintains database systems to ensure data is available, performant, and protected against loss. Hiring a freelance database administrator gives your business expert oversight of mission-critical data infrastructure without the overhead of a full-time hire. Whether you run a transactional e-commerce platform, a SaaS product, or a data warehouse, a skilled DBA keeps queries fast, backups reliable, and access tightly controlled.
A freelance DBA owns the health of your database environment end to end. They install and configure database engines, tune performance, design schemas, manage replication, plan disaster recovery, and enforce security policies. Their work directly affects application uptime, query response times, regulatory compliance, and the integrity of every transaction your business records.
Engagements range from short-term fixes — recovering a corrupted database, resolving a deadlock storm, migrating between cloud providers — to long-term retainers covering monitoring, patching, capacity planning, and on-call support. A capable database administrator translates business requirements into a stable data layer that scales with your product.
Strong DBAs are typically specialists in one or two engines but fluent across the broader ecosystem. When posting a project, name the exact platform you run so bids come from candidates with hands-on experience.
Database administration is critical anywhere data drives revenue or compliance. Common engagements include fintech platforms with strict transaction integrity requirements, healthcare systems handling protected patient records, e-commerce stores running high-traffic catalogs, SaaS products with multi-tenant architectures, logistics companies tracking real-time inventory, and analytics teams loading data into warehouses for reporting. Startups often hire a DBA to set foundations correctly before scale; established businesses bring one in to optimize, secure, or migrate aging systems.
The right DBA combines deep platform expertise with disciplined operational habits. Look at concrete experience signals rather than vague claims. Strong portfolios reference the database engines worked with, data volumes managed, replication topologies implemented, and migration projects completed. Certifications such as Oracle Certified Professional, Microsoft Certified: Azure Database Administrator Associate, or AWS Certified Database Specialty add credibility, particularly for enterprise environments.
Useful interview questions to copy and use:
Freelancer.com gives you direct access to a global pool of database administrators covering every major engine, cloud platform, and use case. Whether you need a PostgreSQL specialist for a SaaS migration, an Oracle DBA for a regulated environment, or a MongoDB expert for a high-write workload, you can post a project on Freelancer.com and receive competitive bids from qualified freelancers within hours. Profiles include verified reviews, completion rates, and portfolio evidence so you can shortlist with confidence. Clients set their own budgets and Milestone Payments protect funds until agreed deliverables are met, making Freelancer.com a practical platform for both short fixes and long-term database operations work.
Ready to secure your data layer with an expert.
Hiring the right DBA starts with a precise brief and ends with a careful review of operational track record. Database work is unforgiving — a vague project post invites bids from generalists, and a generalist tuning your production database is a risk. Follow the three steps below to attract qualified specialists and award the project with confidence.
The quality of bids you receive is determined almost entirely by the clarity of your brief. For database work, candidates need to know exactly which engine, which version, what the data volume looks like, and what the desired outcome is. Head to the
Bids on database projects are short proposals — they reveal how a candidate interprets your environment and what approach they would take. A strong DBA proposal references the specific engine, asks intelligent clarifying questions about workload patterns, and proposes a realistic sequence of work rather than promising instant fixes. Read each bid carefully and use Freelancer.com chat to probe further before shortlisting.
Final selection should weigh proposal quality alongside profile evidence. For database administrators, consistency matters more than a single impressive credential — you want someone with a steady record of completed projects, positive reviews from clients with similar needs, and visible expertise in the exact platform you run. Look for patterns across multiple jobs rather than relying on one highlight.
A database administrator focuses on the operational health of the database — installation, security, backups, performance tuning, and availability. A database developer focuses on writing SQL, stored procedures, and schema changes that support application features. Many freelancers offer both, but for production reliability work you want someone whose primary identity is DBA.
Yes. Common one-off engagements include database migrations, performance audits, recovery from a specific incident, schema redesigns, and security reviews. Many clients start with a defined project and then move to a part-time retainer for ongoing monitoring and patching.
Managed services like Amazon RDS or Azure SQL Database handle patching and basic backups, but they do not replace a DBA's judgment on schema design, indexing, query tuning, security configuration, and capacity planning. A freelance DBA ensures you actually benefit from the managed service rather than paying for an underperforming or insecure setup.
A performance audit or query tuning engagement often takes a few days to a couple of weeks. Migrations and high-availability setups typically run several weeks depending on data volume and downtime tolerance. Ongoing administration is usually structured as a retainer with defined response times.
For most small and mid-sized businesses, an experienced freelance database administrator covers the work effectively and at lower cost than an agency. Agencies make sense when you need 24/7 coverage across multiple engines simultaneously. For everything else, a vetted freelancer offers more direct accountability.

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