Freelance Data Base Administration

Freelance Senior Database Administrator (PostgreSQL / AWS RDS) Remote | Long-Term Engagement | High-Scale Cloud Database Engineering We are hiring experienced Freelance Senior Database Administrators for a long-term remote engagement with globally distributed engineering teams building and maintaining mission-critical, high-traffic database platforms. This Role Is for You If You are currently employed full-time and open to a part-time freelance engagement alongside your primary role. You work 100% remotely in your current position and prefer a flexible work environment. You enjoy solving complex database performance, scalability, and reliability challenges. You have deep expertise in PostgreSQL administration, AWS RDS, database upgrades, and cloud migrations. You are looking for stable, meaningful additional income without changing jobs. You are comfortable with a freelance/contract engagement model with no full-time conversion requirement. About CodeVyasa CodeVyasa is a product engineering firm partnering with top-tier global organizations across fintech, consulting, retail, healthcare, and consumer technology sectors. Our team of 750+ engineers delivers high-impact solutions in: Product Engineering Cloud Engineering Data Engineering Agentic AI Generative AI (GenAI) You will collaborate with senior architects, DevOps engineers, and platform teams on enterprise-scale systems serving millions of users worldwide. What You'll Work On You will contribute to the administration, optimization, modernization, and migration of PostgreSQL database environments across on-premises and AWS cloud infrastructures. Key Responsibilities Manage and optimize high-load PostgreSQL database environments. Monitor, analyze, and tune complex and long-running SQL queries. Identify and resolve database performance bottlenecks. Optimize indexes, query execution plans, and PostgreSQL configurations. Design and implement backup, recovery, and disaster recovery strategies. Plan and execute PostgreSQL version upgrades across on-premises and AWS RDS environments. Perform compatibility assessments for stored procedures, functions, triggers, and application workloads. Validate database stability, performance, and data integrity following upgrades. Design, provision, and manage AWS RDS PostgreSQL environments. Support cloud database architecture, scalability, security, and high-availability initiatives. Lead database migration projects between on-premises and AWS environments. Automate database operations using scripting and DevOps practices. Collaborate with application, infrastructure, and DevOps teams to improve platform reliability and scalability. You will work closely with senior engineering teams supporting business-critical systems operating at enterprise scale. Core Skills We're Looking For Must Have 7+ years of Database Administration experience. Strong hands-on expertise with PostgreSQL. Deep understanding of PostgreSQL internals, architecture, and performance tuning. Strong experience in: Query Optimization Index Tuning Execution Plan Analysis Vacuum & Autovacuum Optimization Database Configuration Tuning Proven experience executing PostgreSQL version upgrades and migrations. Strong expertise in compatibility testing and upgrade validation. Experience managing AWS RDS PostgreSQL environments. Strong Linux/Unix administration skills. Experience with backup, recovery, replication, and failover strategies. Knowledge of database monitoring and diagnostic tools. Strong SQL troubleshooting and performance analysis skills. Experience supporting large-scale or high-traffic production systems. Strong communication and stakeholder management skills. Preferred Skills Experience with AWS services such as: EC2 IAM VPC S3 Exposure to Infrastructure as Code (IaC) and automation frameworks. Experience with CI/CD pipelines and Database DevOps practices. Knowledge of PostgreSQL replication and high-availability architectures. Scripting expertise in Bash, Python, or similar languages. Experience with cloud modernization and database transformation initiatives. Exposure to containerized and cloud-native environments. Engagement Model Commitment: Approximately 35 Hours/Week Work Mode: 100% Remote & Flexible Duration: Long-Term Engagement Opportunity to work on enterprise-scale cloud database platforms Consistent monthly payouts with transparent payment cycles No hidden deductions or payroll complexities Freelance Senior Database Administrator (PostgreSQL / AWS RDS) Remote | Long-Term Engagement | High-Scale Cloud Database Engineering We are hiring experienced Freelance Senior Database Administrators for a long-term remote engagement with globally distributed engineering teams building and maintaining mission-critical, high-traffic database platforms. This Role Is for You If You are currently employed full-time and ope