Senior Database Engineer

Airbus; Województwo pomorskie; On-site; PLN 240,000 - 320,000; Full time

Job summary

A leading aerospace company in Poland is seeking a seasoned Software Engineer to design, implement, and optimize database solutions in a microservices environment. Ideal candidates will have over 6 years of experience with database technologies like MySQL and PostgreSQL, and expertise in cloud database management. This permanent role requires a Master's Degree in Software Engineering and offers an opportunity to shape the future of aviation technology.

Benefits

Flexible working arrangements

Diversity and inclusion initiatives

Commitment to equal opportunities

Qualifications

• 6+ years experience in database management and optimization.
• Proven ability in query optimization and advanced indexing strategies.
• Experience deploying and managing databases within AWS.

Responsibilities

• Design and implement database solutions for microservices.
• Analyze and optimize complex queries for performance.
• Ensure robustness with disaster recovery solutions.

Skills

Database performance optimization

MySQL

PostgreSQL

AWS Aurora

SQL Server

MongoDB

Cloud operations

Scripting (Python/Bash)

DevOps practices

Education

Master of Science Degree in Software Engineering

Tools

AWS CloudWatch

Git

Docker

Job description

****Job Description:********Job Summary:****Aviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool!Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers (ANSPs). We combine aircraft manufacturer expertise, flight operations know-how, and agile development to enhance operational efficiency, optimize resources, and increase productivity for a safe and sustainable aviation future. Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide.We are looking for a seasoned Software Engineer with extensive experience in designing, implementing, and optimizing database solutions in a microservices-based environment. As a member of our team, you will contribute to the full lifecycle of our data persistence layer, from schema design and performance tuning to ensuring robust replication, disaster recovery, and seamless integration within our cloud-native microservice ecosystem.****Responsibilities:***** 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.****Required Skills/Experience:***** 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* Master of Science Degree in software engineering or a related field* Proficiency in English spoken and written****Nice-to-Haves:***** Experience with ETL/ELT pipeline design and tools (e.g., Apache Airflow).* Familiarity with Change Data Capture (CDC) solutions.* Knowledge of database services on other cloud platforms (e.g., Azure SQL Database, Google Cloud Spanner).* Understanding of ORM frameworks (Entity Framework, Dapper, SQLAlchemy, Hibernate) from a database performance perspective.* Experience with data governance or data lineage concepts and tools.* Active contributions to open-source database projects or the broader database community.* Proficiency in designing and implementing GraphQL backends or similar API patterns that interact heavily with databases.* Understanding of airline operations, flight planning, or air navigation principles.* Passion for the aviation industry.This job requires an awareness of any potential compliance risks and a commitment to act with integrity, as the foundation for the Company’s success, reputation and sustainable growth.********Company:********Airbus Helicopters Polska Sp. z o.o.**Employment Type:**Permanent-------**Experience Level:**Professional**Job Family:**Digital By submitting your CV or application you are consenting to Airbus using and storing information about you for monitoring purposes relating to your application or future employment. This information will only be used by Airbus. Airbus is committed to achieving workforce diversity and creating an inclusive working environment. We welcome all applications irrespective of social and cultural background, age, gender, disability, sexual orientation or religious belief.Airbus is, and always has been, committed to equal opportunities for all. As such, we will never ask for any type of monetary exchange in the frame of a recruitment process. Any impersonation of Airbus to do so should be reported to [e-mail] Airbus, we support you to work, connect and collaborate more easily and flexibly. Wherever possible, we foster flexible working arrangements to stimulate innovative thinking.