Senior Database Engineer Job at Mastercard (Waterloo)

Senior Database Engineer

We’re looking for a skilled Data Reliability Engineer to join our team for a cli...

Location

Salary:

Not provided

Zoolatech

Expiration Date

Until further notice

Requirements

5+ years of experience in Data Engineering, Database Reliability, or Infrastructure Operations
Strong expertise in PostgreSQL on AWS, including tuning, replication, backups, and HA configurations
Experience operating RDBMS databases (PostgreSQL, MySQL, etc.) and Kubernetes technologies is highly desirable
Experience provisioning and operating NoSQL databases at scale like Elasticsearch, Elastic Cache, DynamoDB, Neo4j, Mongo, Cassandra, etc.
Advanced SQL scripting and query optimization skills
Experience with data systems monitoring, alerting, and performance tuning
Strong programming/scripting in Java, Python, or Shell
Proven experience in designing or supporting complex data ecosystems
Solid understanding of cloud infrastructure (preferably AWS) and Infrastructure as Code tools (Terraform)
Familiarity with event streaming platforms (Kafka), and observability stacks (New Relic, ELK, etc.)

Job Responsibility

Own and optimize the reliability, availability, and performance of data infrastructure across production systems
Lead the design and implementation of resilient, secure, and observable data systems
Collaborate with SRE, Security, and Engineering teams to enforce data infrastructure standards and align on architectural decisions
Design and implement automation around provisioning, uptime monitoring, data refresh, integrity, backups, and disaster recovery
Support application developers with performance tuning, complex query optimization, and database design reviews
Analyze and resolve performance bottlenecks and incidents with a focus on long-term solutions
Participate in on-call rotation to support production systems and ensure high availability
Actively contribute to improving incident response and observability through metrics, alerting, and runbooks
Work with technologies such as Java, Ruby on Rails, PostgreSQL, AWS, Kafka, S3, Elasticsearch

What we offer

Paid Vacation
Sick Days
Floating Holidays
Sport/Insurance Compensation
English Classes
Charity
Training Compensation

Senior Database Engineer

We’re looking for a skilled Data Reliability Engineer to join our team for a cli...

Location

United States

Salary:

Not provided

Zoolatech

Expiration Date

Until further notice

Requirements

5+ years of experience in Data Engineering, Database Reliability, or Infrastructure Operations
Strong expertise in PostgreSQL on AWS, including tuning, replication, backups, and HA configurations
Experience operating RDBMS databases (PostgreSQL, MySQL, etc.) and Kubernetes technologies is highly desirable
Experience provisioning and operating NoSQL databases at scale like Elasticsearch, Elastic Cache, DynamoDB, Neo4j, Mongo, Cassandra, etc.
Advanced SQL scripting and query optimization skills
Experience with data systems monitoring, alerting, and performance tuning
Strong programming/scripting in Java, Python, or Shell
Proven experience in designing or supporting complex data ecosystems
Solid understanding of cloud infrastructure (preferably AWS) and Infrastructure as Code tools (Terraform)
Familiarity with event streaming platforms (Kafka), and observability stacks (New Relic, ELK, etc.)

Job Responsibility

Own and optimize the reliability, availability, and performance of data infrastructure across production systems
Lead the design and implementation of resilient, secure, and observable data systems
Collaborate with SRE, Security, and Engineering teams to enforce data infrastructure standards and align on architectural decisions
Design and implement automation around provisioning, uptime monitoring, data refresh, integrity, backups, and disaster recovery
Support application developers with performance tuning, complex query optimization, and database design reviews
Analyze and resolve performance bottlenecks and incidents with a focus on long-term solutions
Participate in on-call rotation to support production systems and ensure high availability
Actively contribute to improving incident response and observability through metrics, alerting, and runbooks
Work with technologies such as Java, Ruby on Rails, PostgreSQL, AWS, Kafka, S3, Elasticsearch

What we offer

Paid Vacation
Sick Days
Floating Holidays
Sport/Insurance Compensation
English Classes
Charity
Training Compensation

Fulltime

Senior Database Engineer Expert

At JFrog, we're reinventing DevOps to help the world's greatest companies innova...

Location

Israel , Netanya/Tel Aviv

Salary:

Not provided

JFrog

Expiration Date

Until further notice

Requirements

5+ years of hands-on experience working with PostgreSQL in production high-scale environments
Proven expertise in PostgreSQL performance tuning, optimization, and internals
Excellent SQL skills, including complex and performance-critical queries
Strong understanding of how applications interact with databases, including connection pools, ORMs, transaction patterns, and failure modes
Experience working with large datasets up to a few TBs in volume and high concurrency with 5000+ connections
Experience with both cloud-managed PostgreSQL and self-managed deployments
Solid understanding of schema design, migrations, and backward-compatible data evolution
Ability to work cross-team as part of a DevOps organization providing shared infrastructure and expertise
Strong communication skills with the ability to mentor, influence standards, and guide teams under pressure

Job Responsibility

Own PostgreSQL performance, scalability, and reliability across large-scale security and scanning workloads
Deep dive into database performance issues, including query optimization, execution plans, indexing strategies, locking, bloat, vacuuming, and connection management
Work closely with application teams to optimize database access patterns from services and APIs
Review application code and SQL usage with a focus on correctness, performance, and scalability
Design, evolve, and optimize schemas and migrations for long-lived, high-volume datasets
Support and fine-tune PostgreSQL in both cloud-managed environments, such as RDS and self-managed deployments
Establish best practices, standards, and guidelines for PostgreSQL usage across teams
Mentor engineers and raise the overall database maturity of the organization
Act as a trusted expert for troubleshooting complex production database incidents

Senior Database Engineer

Aviation. It connects our world, brings people together, provides opportunities,...

Location

Poland , Gdańsk

Salary:

Not provided

NAVBLUE Limited

Expiration Date

Until further notice

Requirements

6+ years in roles directly responsible for the availability, performance, and security of critical databases
Expertise in Database Technologies: Strong command of MySQL, PostgreSQL, AWS Aurora, SQL Server and experience with MongoDB, DynamoDB, or Redis, including schema design and complex query writing
Database Performance & Scalability: Proven ability in query optimization (e.g., EXPLAIN plans), operating system optimization, advanced indexing strategies, and implementing partitioning/sharding and caching (Redis)
Cloud Database Operations: Hands-on experience deploying, managing, and optimizing databases within AWS infrastructure (RDS, Aurora) and virtual machine infrastructure (SQL Server)
Database Reliability & Security: Experience with high availability (replication, failover), backup automation, PITR, and data security (encryption, SQL injection prevention)
Automation & DevOps: Proficiency in integrating database changes into CI/CD pipelines using schema migration tools (DbUp, EF migrations, Flyway, Liquibase) and Git for version control
Scripting & Troubleshooting: Strong scripting skills (Python/Bash) for automation and ability to analyze logs and monitor performance using tools like AWS Cloudwatch, Datadog, Prometheus, Grafana, or pgBadger
Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitLab CI, Cloudbees, Jenkins, GitHub Actions), containerization with Docker, and monitoring/logging tools
Demonstrated experience in leading software development teams, fostering a collaborative and high-performance culture, and effectively representing the team's technical vision and needs to stakeholders, including architects and senior management
Strong capability in identifying technical challenges and bottlenecks, constructively proposing and implementing effective solutions (either individually or by guiding the team), while actively building team engagement, fostering a positive atmosphere, and championing team spirit

Job Responsibility

Design & Develop Database Solutions: Architect, design, and implement highly optimized relational (e.g., MySQL, PostgreSQL, AWS Aurora, SQL Server) and NoSQL (e.g., MongoDB, DynamoDB, Redis) database schemas, ensuring data integrity, performance, and scalability for microservices
Performance Optimization & Tuning: Proactively analyze and optimize complex queries, implement efficient indexing strategies, and manage partitioning/sharding to ensure peak database performance and handle high throughput
Reliability & Disaster Recovery: Design, implement, and maintain robust backup, disaster recovery, and high-availability solutions, including replication (master-slave/multi-master) and failover configurations, to ensure data durability and system uptime
Cloud Database Management: Deploy, configure, and manage database instances within cloud infrastructure (e.g., AWS RDS, Aurora), leveraging cloud-native features for scalability and operational efficiency
Focus on quality by promoting coding best practices, a test-first mindset and highest security standards
Contribute to building new and improving existing development processes
Work within a small agile teams delivering new features and fixing defects
Lead technical designs, taking a holistic view of the product, and collaborate with multiple stakeholders to define the best approach to address upcoming challenges and deliverables
Define and drive the team's technical direction, mentor junior engineers, and proactively identify, propose, and implement new processes or architectural improvements to enhance team efficiency, code quality, and timely delivery
Contribute to software architecture discussions, translate system-level designs and architectural blueprints into robust, maintainable, and high-quality code, applying the latest best practices in software engineering

What we offer

Stable employment based on a full-time job contract
International working environment in a dynamic company
Access to the latest knowledge and technologies enabling professional development
Training and development possibilities
Participating in international projects and international trips
Competitive salary dependent on experience and qualifications
Flexible working hours and work-from-home opportunities
Private medical coverage for you and your family
Sport card
Life insurance for you and your family

Fulltime

Senior Database Engineer

We are looking for a skilled Database Administrator (DBA) with hands-on experien...

Location

Salary:

Not provided

Yopeso

Expiration Date

Until further notice

Requirements

Proven experience in PostgreSQL administration (installation, configuration, tuning, and troubleshooting)
Strong understanding of database performance optimization and query tuning
Experience managing large-scale databases with high transaction volumes
Solid knowledge of backup and recovery, replication, and disaster recovery planning

Job Responsibility

Perform database monitoring, performance tuning, and optimization of PostgreSQL databases
Execute version upgrades, patching, and schema changes
Manage data migrations across environments and ensure data consistency
Work with large datasets (terabytes of data) and optimize for high availability and scalability
Ensure database security, backup, and recovery processes are in place and reliable
Collaborate with application and infrastructure teams to support business requirements
Automate routine database administration tasks where possible

Senior / Staff Software Engineer (Database)

Our database technology sits at the heart of the Materialize product—a product t...

Location

United States , New York

Salary:

164050.00 - 250000.00 USD / Year

Materialize

Expiration Date

Until further notice

Requirements

Several years of experience developing software
Passionate about distributed systems and/or databases
Excited to learn Rust if not already using it
Pride in owning work end-to-end
Ability to write clear design docs and well-documented code
Love solving hard problems in service of the customer
Excited about working at the intersection of frontier academic research and a venture-backed startup

Job Responsibility

Design and deliver improvements to the Database, with an eye on correctness, reliability, and performance
Own projects end-to-end, from early stage design to holding the pager
Debug and resolve complex distributed systems issues, sometimes directly with customers
Continually improve system reliability, observability, and automation
Collaborate across your team, with Product, with Field Eng, and all other stakeholders to align on direction, carefully prioritize, and build the best product for our users
Share your work through mentorship, demos, blog posts, and any other relevant channels

What we offer

Equity

Fulltime

Senior Software Engineer, Database Team

Join a team that builds robust, real-time distributed systems for a cutting-edge...

Location

United States , New York City

Salary:

Not provided

Pinecone

Expiration Date

Until further notice

Requirements

3+ years of work experience - programming in Rust, Go, C++, or a comparable language
You’re genuinely curious about distributed systems and eager to dive deep into technical challenges
You approach problems with creativity and persistence, and you’re comfortable asking thoughtful questions or seeking feedback
You’re excited to learn, value constructive feedback, and appreciate mentorship

Job Responsibility

Collaborate with teammates to design and build database features that power AI applications
Learn how to tune performance and support reliability in distributed systems
Help Pinecone run smoothly on popular cloud providers
Take ownership of your work and grow your skills every day

What we offer

Comprehensive health coverage (medical, dental, vision, and mental health resources)
401(k) plan
Equity award
Flexible time off
Paid parental leave
Annual company retreat
WFH equipment stipend

Senior Software Engineer - ClickPipes (Database Integration)

About the Team: The ClickPipes - Database Integrations team builds the platform ...

Location

India

Salary:

Not provided

ClickHouse

Expiration Date

Until further notice

Requirements

5+ years of industry experience building data-intensive software solutions
Proficient in Go, or experienced in systems programming with willingness to ramp up quickly in Go
Cloud-native experience deploying and operating services on at least one major cloud platform (AWS/GCP/Azure)
Practical experience with Kubernetes
Strong problem solver and solid production debugging skills
Clear communication in writing (design docs, code review) and verbally (technical discussions, customer calls, incident response)

Job Responsibility

Build data-intensive systems
Design and develop high-throughput integrations with databases (Postgres, MySQL, MongoDB), data lakes (Iceberg, Delta Lake), and data warehouses (BigQuery, Snowflake)
Handle edge cases in real-world production scenarios: unconventional database setups, internals of data types, database upgrades/failovers, large transactions, etc
Design integration solutions to enable users to fully harness ClickHouse's performance and throughput
Own end-to-end reliability
Debug complex issues in production leveraging runtime diagnostics (e.g. pprof, parca) and observability tools (e.g. metrics, logging, tracing)
Build and improve infrastructure and tools to increase system reliability, reduce incident response time, and simplify/automate operations
Write clear documentation, both publicly and internally
Participate in on-call rotation
Drive product innovation

What we offer

Flexible work environment
Healthcare - Employer contributions towards your healthcare
Equity in the company - Every new team member who joins our company receives stock options
Time off - Flexible time off in the US, generous entitlement in other countries
A $500 Home office setup if you’re a remote employee
Global Gatherings – opportunities to engage with colleagues at company-wide offsites

Senior Database Engineer

Mastercard

Location:
Belgium , Waterloo

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 20, 2026

Expiration:
March 31, 2026

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Mastercard

Location:Belgium , Waterloo

Category:IT - Administration

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:March 20, 2026

Expiration:March 31, 2026

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Job Posted:
March 20, 2026

Expiration:
March 31, 2026