41 Aws Certified Database Specialty jobs in Singapore

Job Title: Senior Oracle DBA

This is a senior-level Database Administrator position responsible for the design, development, deployment, and maintenance of databases in cloud and on-premises environments.

Responsibilities include:

• Installing, configuring, and maintaining SQL Server 2016/2019/2022 instances in cloud/on-prem environments.
• Configuring Always On Availability Groups, Log Shipping, Replication, and other HA/DR solutions.
• Conducting performance tuning, query optimization, and implementing indexing strategies.
• Automating administrative tasks using T-SQL and PowerShell.
• Migrating databases to AWS RDS and EC2 using best practices.
• Implementing and managing security, including access control, encryption, and auditing.
• Installing, configuring, and administering Oracle 19c databases (on-prem and AWS-hosted).
• Setting up and managing Oracle Data Guard, RMAN backups, and tuning/diagnostics.
• Performing routine health checks, patching, schema changes, and space management.
• Managing provisioning, configuration, and maintenance of RDS SQL Server and Oracle 19c instances.
• Monitoring RDS performance, configuring backup retention, parameter groups, and applying patches.
• Handling snapshots, restore operations, and troubleshooting RDS-related issues.

Qualifications include:

• 5+ years of DBA experience with strong focus on Microsoft SQL Server.
• 2+ years of hands-on experience managing Oracle 19c databases.
• Experience with AWS RDS (SQL Server and Oracle), CloudWatch, and performance tuning in cloud environments.
• Strong scripting skills in T-SQL, PL/SQL, and PowerShell.
• Deep understanding of HA/DR, backup/restore strategies, and cloud migration approaches.
• Experience with monitoring, alerting, and automation tools.
• Experience in supporting Oracle Database environments PROD/DR/DEV/QA/UAT.
• Strong experience in Database Administration in Oracle version (11g/12c/18C/19C).
• Experience in supporting high availability Oracle RAC environment (2/3/4 node clusters),Oracle Golden Gate, Oracle Data Guard.
• Experience in troubleshooting and resolving database integrity issues, performance issues, blocking and deadlocking issues, connectivity issues, security issues.
• Strong Knowledge in Operating systems like windows and Unix.
• Generating reports in Oracle database using tools like AWR, ASH, ADDM and manual scripts.
• Provide continuous monitoring, troubleshooting, historical and real time performance monitoring of the Oracle.
• Strong Experience of RMAN, expdp/impdp, Backup/Recovery.
• Experience in evaluating and Installing new software releases, patches, upgrade and Database cloning.
• Experience in developing and executing database security policies, procedures.
• Daily health monitoring of database system and data integrity checks.
• Collect and analyze database performance information, identify and implement solutions for performance problems.
• Experience with other RDBMS,NO SQL, cloud platforms will be added advantage.
• Good communication skills and Documentation skills for processes and procedures (creating KBs, runbooks, topology).
• Work with users, vendors to take timely and appropriate steps to resolve and troubleshoot issues impacting service levels and conduct root cause analysis.

Certifications include:

• Microsoft Certified: SQL Server DBA or Azure Administrator Associate.
• AWS Certified Database - Specialty.
• Oracle Database 19c Administrator Certified Professional.

Benefits include:

• Excellent communication, problem-solving, and documentation skills.
• Ability to work independently and collaboratively in a remote or hybrid environment.
• Flexible to support critical issues and on-call rotations if required.

Preferred qualifications include:

• Working knowledge of MySQL and PostgreSQL in cloud environments (especially AWS RDS).
• Exposure to DevOps tools, Terraform, CloudFormation, or CI/CD pipelines.
• Experience with multi-region/multi-AZ deployments and cost optimization in AWS.

Other responsibilities include:

- Design, develop and deliver / implement data solutions to include: architecture design, prototyping of concepts to proof of concept, development of standards, design and development of test plans, code and module design, development and testing, data solution debugging, design and implementation of a solution that follows efficient design techniques and development that meets and exceeds the intent of the design of the data solution.

- Effectively manage day-to-day tasks / activities in coordination with a team of developers/clients to effectively meet the deliverables and schedule of a data solution component within a larger application project.

- Give support to various business and technology teams as necessary during design, development and delivery to ensure solid, scalable, robust solutions.

- Support and maintain data and database systems to meet business delivery specifications and needs.

- Part of a tag team to provide onsite support from time to time for a 24x7 maintenance arrangement

Requirements :

- Preferably One(1) year experience in Microsoft SQL Server, PostgreSQL or MySQL Database Administration & Engineering

- Have three(3) years experience working in IT sector

- Preferably familiar in data-preprocessing, data pipeline, and data wrangling

- Aspire strongly to build career & become expert in database engineering

- Able to speak, read & write fluently in english

- Willing to invest time & lots of effort to become Subject Matter Expert & achieve excellence in Database technology & Data management

- Open minded & Willing to work hard in a small team culture environment where everyone respect each other

- Willing to go on client site when required

- Independent & reliable

- Must be able to work from home comfortably & confidently when not onsite

- Mid career switcher aspiring to embark in data engineering space also welcome to apply

Other responsibilities include:
- Design, develop and deliver / implement data solutions to include: architecture design, prototyping of concepts to proof of concept, development of standards, design and development of test plans, code and module design, development and testing, data solution debugging, design and implementation of a solution that follows efficient design techniques and development that meets and exceeds the intent of the design of the data solution.
- Effectively manage day-to-day tasks / activities in coordination with a team of developers/clients to effectively meet the deliverables and schedule of a data solution component within a larger application project.
- Give support to various business and technology teams as necessary during design, development and delivery to ensure solid, scalable, robust solutions.
- Support and maintain data and database systems to meet business delivery specifications and needs.
- Part of a tag team to provide onsite support from time to time for a 24x7 maintenance arrangement
Requirements :
- Preferably One(1) year experience in Microsoft SQL Server, PostgreSQL or MySQL Database Administration & Engineering
- Have three(3) years experience working in IT sector
- Preferably familiar in data-preprocessing, data pipeline, and data wrangling
- Aspire strongly to build career & become expert in database engineering
- Able to speak, read & write fluently in english
- Willing to invest time & lots of effort to become Subject Matter Expert & achieve excellence in Database technology & Data management
- Open minded & Willing to work hard in a small team culture environment where everyone respect each other
- Willing to go on client site when required
- Independent & reliable
- Must be able to work from home comfortably & confidently when not onsite
- Mid career switcher aspiring to embark in data engineering space also welcome to apply

• Minimum 1 or 2 year experiences, junior category with XLS and Linux command experience.
• Description of engagement: Junior database experience resource with min 1 year of experience in any database
• Need to raise and work on Change Request (CR)
• Knowledge of xls and linux commands are added advantage

EA License No: 11C4879 / Registration ID : R

Apar Technologies Pte Ltd, Singapore

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Join to apply for the Sr Database Engineer role at PayPal

The Company
PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy.

We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.

We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade.

Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do – and they push us to ensure we take care of ourselves, each other, and our communities.

Job Description Summary:
At PayPal, the Transaction Processing and Data Services (TPDS) team powers the backbone of our global payments platform, processing billions of transactions through our mission-critical OLTP database infrastructure. As a Senior Database Engineer, you will execute strategic infrastructure transformation initiatives to establish industry-leading availability standards and architect solutions for petabyte-scale operational excellence.

Job Description:
Essential Responsibilities:

• Manage and optimize Big Data and cloud technologies to ensure reliable and efficient operations.
• Design, implement, and oversee scalable compute infrastructure tailored to support data scientists' needs.
• Create insightful reports leveraging tools such as Tableau, MicroStrategy, ThoughtSpot, Qlik, Looker, and others.
• Optimize system performance through tuning and proactive efficiency improvements.
• Collaborate with business users to address queries, resolve issues, and provide technical guidance.
• Lead efforts in data migration, system upgrades, and maintenance of databases and associated tools.
• Develop and maintain automation scripts for platform administration and monitoring tasks.
• Deliver database engineering, infrastructure builds, and release management services with a focus on quality and reliability.
• Partner with cross-functional operations teams to handle incidents, perform root cause analysis, and resolve problems effectively.
• Take ownership of implementing modules, applications, or products from concept to deployment.
  
  
  

• Minimum of 5 years of relevant work experience and a Bachelor's degree or equivalent experience.
  
  
  

• Seniority level Not Applicable

• Employment type Full-time

• Industries Software Development, Financial Services, and Technology, Information and Internet

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• Minimum 2-8 years of experience in MSSQL 2016/2017/2022 Database Administration.
• Participate in the 24/7 rotational shift including weekends.
• Monitor and refine processes, procedures, and systems to optimize operational stability and / or integrity and recommends and / or implements improvements.
• Experience in upgrade and patching database instances across multiple Database Management Systems with minimum disruption to application.
• Hands on experience in troubleshooting on patching issue. Basic knowledge of Linux operating system (RedHat) and basic commands will be added advantage.
• Coordinate with application team on decision and schedule to patch.
• Prepare the documents to raise Change Request

• Minimum 2-8 years of experience in MSSQL 2016/2017/2022 Database Administration.
• Participate in the 24/7 rotational shift including weekends.
• Monitor and refine processes, procedures, and systems to optimize operational stability and / or integrity and recommends and / or implements improvements.
• Experience in upgrade and patching database instances across multiple Database Management Systems with minimum disruption to application.
• Hands on experience in troubleshooting on patching issue. Basic knowledge of Linux operating system (RedHat) and basic commands will be added advantage.
• Coordinate with application team on decision and schedule to patch.
• Prepare the documents to raise Change Request

   We are seeking a talented and experienced PostgreSQL developer to join our team. As a key member of our team, you will be responsible for developing and maintaining mission-critical PostgreSQL databases supporting credit card operations in a fast-paced environment.

   Key Responsibilities:

• Design, develop, and implement robust and scalable PostgreSQL databases to support complex applications
• Optimize database queries, indexes, and schemas for maximum performance and efficiency
• Develop and automate database administration tasks such as backups, monitoring, and disaster recovery
• Collaborate with cross-functional teams to understand business requirements and translate them into effective database solutions
• Document database architecture, processes, and procedures for knowledge transfer and maintainability
• Proactively identify and resolve database-related issues and bottlenecks

   Requirements:

• At least 3-5 years of hands-on experience in PostgreSQL database development and administration
• Proficient in SQL, PL/pgSQL, and other PostgreSQL-specific programming languages
• Strong understanding of database design principles, indexing, query optimization, and performance tuning
• Experience in developing and maintaining highly available, scalable, and secure PostgreSQL environments
• Familiarity with credit card processing workflows and related regulatory compliance requirements
• Excellent problem-solving, analytical, and troubleshooting skills

   This is an excellent opportunity to work on challenging projects and collaborate with a talented team of professionals who share your passion for technology and innovation.