Senior Database Engineer

OverviewAviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very coolCome 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.ResponsibilitiesDesign & 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/Experience6+ 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 managementStrong 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 spiritMaster of Science Degree in software engineering or a related fieldProficiency in English spoken and writtenNice-to-HavesExperience 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.We offerStable employment based on a full-time job contractInternational working environment in a dynamic companyAccess to the latest knowledge and technologies enabling professional developmentTraining and development possibilitiesParticipating in international projects and international tripsCompetitive salary dependent on experience and qualificationsFlexible working hours and work-from-home opportunitiesPrivate medical coverage for you and your familySport cardLife insurance for you and your familyCo-funding for mealsEmployee stock ownership planApplicationsWe thank all applicants for applying. Only selected applicants will be contacted.Navblue is committed to creating an environment and a culture where everyone feels like they belong no matter who they are or where they are from. We are committed to providing equal employment opportunities to all individuals based on job-related qualifications and ability to perform a job. We do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national or ethnic origin, religion, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, record of offences, and basis of disability or any protected class. Accommodations will be available on request for candidates throughout the entire recruitment and selection process.NAVBLUE is operating within the Airbus Helicopters Polska Structure .At Airbus Helicopters Polska sp. z o.o. Gdańsk Plant, the "Internal procedure for reporting legal violations and taking follow-up actions at Airbus Helicopters Polska sp. z o.o. Gdańsk Plant" is in effect. This procedure was introduced in accordance with the Act of June 14, 2024, on the protection of whistleblowers (Journal of Laws of 2024, item 928). In the event of any detected violations, whistleblowers can submit reports to the following email address: talent@navblue.aero.About UsNAVBLUE, an Airbus Company, is a leading global provider of flight operations solutions, including aeronautical charts, navigation data solutions, flight planning, aircraft performance software (take-off/landing, weight and balance), and crew planning solutions.You’ll be able to shape the future of the digital aviation industry by working on several of the best in the industry flagship products enabling pilots, dispatchers, flight engineers and other aviation personnel on a daily basis to deliver safe, efficient, and reliable flight operations all over the world. You’ll have the opportunity to support millions of flights each year and help NAVBLUE customers maximize efficiency, reduce costs, ensure compliance with complex national and international safety regulations, and effectively deliver their services.You’ll join a team with a focus on digital and collaborative innovation that is passionate and customer-focused. Over the last few years, Airbus has been supportive of various initiatives such as Going Digital, Performance Based Navigation Services, Air Traffic Management Modernization Programs, FlySmart on iOS and other digital projects related to new aircraft technologies; the launch of NAVBLUE was therefore a natural step to further develop its Flight Operations and Air Traffic Management Portfolio.NAVBLUE is a fully owned subsidiary of Services by Airbus, fueled by the agility of Airbus ProSky and Navtech (acquired in 2016), and the pioneering spirit of Airbus, NAVBLUE was created in July 2016 with one mission: lead aviation into the digital age.Airbus and all subsidiaries, including NAVBLUE are proud to have been recognized as a Global Top Employer for 2025. Based on eight criteria: physical workplace, work atmosphere and social, health financial and family benefits, vacation and time off, employee communication, performance manager, training and skills development and community involvement. It was determined that we offer some of the most progressive and forward-thinking programs within the area. This achievement reflects our commitment to nurturing and empowering our people to reach their full potential. We’re grateful to our people, whose dedication and collaboration make this possible.NAVBLUE is based in Hersham (UK), Cardiff (UK), Toulouse (France), Waterloo, ON (Canada), Bangkok (Thailand) and Gdańsk (Poland) with other offices all around the world. #J-18808-Ljbffr