Freelance Data Base Administration (Delhi)

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-tim