The MongoDB Query Team is hiring Software Engineers who want to join us in building a state-of-the-art distributed query system. We are responsible for the MongoDB Query Language and the lifecycle of each query, from parsing to optimization to plan selection; our engineers work on maintaining and improving our optimization and execution frameworks and building new query language features to help power our customers' critical workloads. Throughout all our work, our highest priority is always ensuring that customer queries are answered correctly. The successful applicant will be responsible for helping us to maintain the highest standards of quality through rigorous testing and automation strategies. This role can be based out of our Dublin office, or remotely in the Ireland region. Candidate Profile - Minimum 3 years of experience in QA automation or software development with a focus on test automation - Experience with testing multi-tiered backend systems - Design, implement, and maintain custom test frameworks to validate functionality, reliability, and performance across multi-tiered backend or distributed systems - Proficiency in writing and maintaining test automation for large codebases - Solid foundation in computer science, with knowledge of data structures, algorithms, and software design/architecture - Experience in developing performance test plans and monitoring frameworks - Proficiency in writing and optimizing database queries, including multi-table joins, subqueries, aggregations, and filtering logic - Demonstrated hands-on experience working with relational and/or NoSQL databases in a professional setting - Ability to independently diagnose and resolve query performance issues without guidance - B.Sc. in Computer Science or related field, or equivalent practical experience. Advanced degrees of experience in database query engines is a plus - Experience in query processing engines performance testing is a strong plus - Background in database query engines or compilers is a strong plus Position Expectations - Design, develop, and maintain automated tests and testing frameworks for the MongoDB query engine - Design, develop, and maintain Performance automated tests and testing frameworks for the MongoDB query engine - Collaborate closely with peers to understand new features and functionalities, ensuring testability and coverage for automating tests of both happy-path and edge-case scenarios - Identify, isolate, and document bugs and issues within the database query system. Work with developers to ensure issues are resolved - Enhance and extend the automation framework to improve test coverage, execution time, and tooling for diagnostics and performance testing - Review and approve testing plans drawn up in the design phase of Query team projects. At the end of the project, certify that it has met its commitments regarding test coverage - Provide feedback in code reviews, focusing on the robustness and reliability of code changes from a testing perspective Success Measures - Within three months, you have gained an understanding of MongoDB's MQL syntax and its semantics, as well as the behavior of our unique query engine. You have begun identifying key areas for testing improvements in correctness and performance testing - By six months, you have established yourself as a key owner of automated tests, and demonstrating improvements in test efficiency and coverage. You have significantly contributed to increasing the automated test coverage for upcoming releases - After twelve months, you are instrumental in ensuring quality of major new features, setting an example for new team members in best practices for correctness and performance test automation About MongoDBMongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform, the most widely available, globally distributed database on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 60,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world! MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB is an equal opportunities employer. Req ID: 4263348170

Role Description The CES Sales Leader, Aerospace, LNG Infrastructure, Data Centers, will serve as a key leader with the OPW CES organization. This position will lead the sales organization for the growth markets and provide employee leadership in the achievement of common goals. Responsibilities include: - Build and drive a comprehensive sales strategy, achieving annual revenue and earnings objectives within applicable sales channels. - Develop and manage key relationships with customers, fostering a customer-centric culture. - Lead the sales force to maximize sales volume and potential across all markets for CES products. - Develop and drive the organization's competitive position in sales, formulating solutions to combat competitive actions. - Provide market intelligence on growth markets within aerospace, LNG, and data centers, focusing on end-user trends and needs. - Provide detailed and accurate sales forecasts for planning activities, partnering with supply chain and operations. - Build and maintain relationships with internal stakeholders to support company needs. - Support the appraisal of pricing, distribution, and policies, recommending changes to improve team effectiveness. - Develop new business by identifying and promoting target opportunity areas. - Manage the team to support a positive work environment, leading problem-solving activities as necessary. - Understand, track, and improve metrics for forecast, revenue, and margins. - Strategize sales by channels, accounts, and strategic partners. - Attract, develop, retain, and deploy strong talent. - Embrace Sale Force as a CRM to manage pipeline opportunities and sales processes. Qualifications - Bachelor's Degree required. - 10+ years of progressive, successful experience in sales and marketing in an industrial products manufacturing company. - 5 to 10 years of sales management experience in a technical solutions selling field. - Front-line account management experience and performance-driven management experience. - Ability to travel up to 40% of the time, domestically and internationally. Requirements - This position is based in the USA reporting to the CES Global Sales Leader. Benefits - 401(k) savings plan with employer contributions. - Medical, dental, and vision insurance. - Wellness programs. - Health savings account, health care, and dependent care flexible spending accounts. - Company paid short-term and long-term disability. - Company paid employee basic life and AD&D insurance. - Supplemental employee and dependent life insurance. - Optional accident, hospital indemnity, and critical illness insurance. - Adoption, surrogacy, and fertility benefits and assistance. - Commuter benefits. - Parental, military, jury duty, and bereavement leaves of absence. - Paid time off and business travel services. - Employee discounts. - Employee assistance program including company paid counseling sessions and legal services.

• Design, develop, and maintain automated test frameworks for web (ReactJS), mobile (iOS/Android), backend APIs, and data systems • Write high-quality, maintainable, and reusable code in Java, TypeScript or Python • Create and execute end-to-end test suites that validate system integration across microservices and data pipelines • Develop API test automation using Postman, REST Assured, or custom frameworks • Perform data quality validations on ETL pipelines and cloud-based Data Lakes (e.g., AWS Redshift, S3) • Collaborate with product managers, developers, and DevOps engineers to integrate automated tests into the CI/CD pipeline • Contribute to testing strategies for Data Engineering to ensure accuracy. • Log, track, and triage issues using tools like Jira and TestRail • Participate in code reviews and provide input on functional and technical design • Continuously evaluate new testing tools and approaches to improve QA processes

• Design, build, and maintain automated test frameworks for services and APIs • Define and implement testing strategies for distributed, event-driven systems • Ensure high quality across services by covering functional, integration, and end-to-end testing • Validate event flows, data consistency, and system behaviour under failure scenarios • Work closely with engineers to embed quality throughout the development lifecycle • Contribute to CI/CD pipelines to enable fast, reliable releases • Improve observability and monitoring to proactively find issues in production • Advocate for best practices in testing, quality, and reliability across teams • Help mentor others and raise the bar for quality engineering