Principal Performance Engineer - Database & AI Benchmarking

Join our innovative team as a Principal Performance Engineer specializing in Database & AI Benchmarking. In this pivotal role, you will lead the charge in optimizing performance metrics crucial for our cutting-edge projects. Your expertise will directly influence the efficiency and effectiveness of our database systems and AI applications.

Join our innovative team at Lilt, where we are dedicated to creating a comprehensive and verifiable evaluation suite for Terminal-Bench tasks. Our mission is to push the boundaries of large language models in addressing multilingual software challenges. We aim to assess multilingual robustness, focusing on the effects of prompt language, non-English data processing, and complex locale/encoding edge cases in terminal workflows.We are looking for experienced native-speaking software engineers who can design, build, and validate these benchmarks. Your role will involve crafting high-quality tasks that truly evaluate a model's capability to operate in multilingual environments without relying on English translations.Please note: This is a remote freelance opportunity.Target Languages: Spanish, German, Czech, Turkish, Arabic (Egyptian), Korean, Japanese, Hausa, Hindi, or Marathi.Key Responsibilities:Task Engineering: Assessing and enhancing coding agents.Asset Creation: Develop realistic task environments utilizing datasets and files in your native language, ensuring that these assets remain in the target language for accurate multilingual assessment.Prompting & Translation: Identify and analyze failure points where AI performance falters in your native language.Implementation & Verification: Aid in creating robust solutions (reference implementations) and develop reliable verifier scripts, using rubric-based judging only when absolutely necessary.Calibration & Execution: Review execution logs and calibrate task difficulty levels (from Easy to Very Hard) using standardized Terminal-Bench run configurations across various model tiers (Haiku, Sonnet, Opus).Quality Assurance: Engage in a meticulous, four-layer human quality control process—creation, human review, calibration review, and audit—complemented by LLM-based automated checks to ensure fairness, grammatical precision, and benchmark integrity.

Join Intercom as a Principal Engineer focusing on our Fin AI Agent, where you'll play a crucial role in shaping the future of financial technology. You will lead the design and development of AI-driven solutions that enhance customer engagement and streamline financial processes.

As a Platform Database Engineer specializing in NoSQL and graph database solutions, you will design, implement, and manage innovative data solutions as part of our central platform.You will assume technical ownership of graph data models and develop complex query patterns to address highly interconnected domains.In this role, you will plan and execute migrations from traditional relational databases or file-based data storage to modern NoSQL and graph databases.Collaboration with backend engineering teams is key to seamlessly integrate our database solutions into existing and new backend services.Your expertise will help evaluate and choose the best NoSQL and graph database technologies tailored for various products and platform use cases.You will ensure the performance, scalability, reliability, and maintainability of our database solutions in a live production environment.Contributing to platform architecture decisions, establishing technical standards, and promoting best practices will be part of your responsibilities.Support product teams by providing guidance, conducting reviews, and engaging in hands-on collaboration.

At Intercom, we are revolutionizing customer service with our AI-driven solutions. Our flagship AI agent, Fin, empowers businesses to provide exceptional customer experiences by offering seamless, always-on support. Fin integrates with our Helpdesk to form the comprehensive Intercom Customer Service Suite, designed to tackle complex queries that benefit from human touch.Founded in 2011, Intercom has gained the trust of nearly 30,000 global businesses by setting new benchmarks in customer service. Our core values drive us to innovate relentlessly, work with agility, and deliver unparalleled value to our clients.Berlin's dynamic environment, rich in technical talent and creative energy, aligns perfectly with our vision. We are excited to expand our team and invite top engineers from around the world to join us in shaping the future of customer communication.As we aim to recruit 100 professionals across various disciplines in Berlin, this is an exceptional opportunity to be part of a pioneering R&D team and make a significant impact in the rapidly evolving customer service landscape.What’s the opportunity?As a Principal Engineer at Intercom, you will spearhead the definition and execution of strategic initiatives within our engineering organization. Your role encompasses building both back-end and front-end systems while collaborating closely with designers, product managers, researchers, and data analysts. You will also mentor fellow engineers and work closely with Group Engineering Managers to shape technical strategies and leadership.Discover more about our engineering culture at intercom.engineeringWhat will I be doing?As a seasoned engineer, your responsibilities will include:Leading strategic projects within the R&D organization, utilizing your mastery of domain knowledge.Providing insights on project progress, risks, and challenges to engineering leadership, facilitating effective resource allocation and prioritization.

As a PostgreSQL Platform Database Engineer, you will design, implement, and manage robust PostgreSQL-based database solutions tailored for multi-tenant environments.Take charge of PostgreSQL schema design, enhance performance through tuning, and ensure operational stability.Lead the migration processes from legacy or diverse database systems to PostgreSQL, ensuring smooth transitions.Work in close collaboration with backend engineering teams to seamlessly integrate database solutions into backend services.Establish and uphold standards and best practices for relational data modeling and database operations.Guarantee high availability, effective backup and recovery strategies, and consistent performance of PostgreSQL systems.Contribute to architectural decisions and long-term data strategies for the platform.Provide support and enablement for product teams through reviews, guidance, and hands-on collaboration.

At Wayve, we are dedicated to fostering a culture that values diversity, fairness, and respect, ensuring inclusivity for all individuals based on their unique skills and perspectives, irrespective of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital status, sexual orientation, gender identity, veteran status, or any other protected characteristic under applicable law.About UsEstablished in 2017, Wayve stands at the forefront of Embodied AI technology development. Our cutting-edge AI software and foundational models empower vehicles to perceive, comprehend, and navigate complex environments, significantly enhancing the usability and safety of automated driving systems.Our mission is to create autonomous solutions that propel the world into the future. With intelligent, mapless, and hardware-agnostic AI products tailored for automakers, we drive the transition from assisted to fully automated driving. In our dynamic environment, we thrive on tackling significant challenges, embracing uncertainty to unlock innovative solutions. We aim high while remaining humble, constantly learning and evolving as we pave the way for a smarter, safer future.Your contributions at Wayve truly matter. We celebrate diversity, welcome new perspectives, and cultivate an inclusive work environment, supporting each other to make a real impact.Join us at Wayve and define your career journey!The RoleWe are looking for a talented Principal Application Software Engineer to join our team based in Germany within the Application Engineering organization. This is a unique opportunity to take a proactive role in shaping Wayve's autonomous driving technology for the German market, influencing our AV capabilities from the ground up.In this position, you will be responsible for the initial deployment and early validation of our AI software stack on customer hardware platforms, ensuring optimal performance across various SoCs and operating systems. You will work closely with cross-functional teams, including Verification, Release, and OEM partners, to ensure smooth integration and dependable delivery.Key Responsibilities:Conduct software bring-up on customer hardware platforms (e.g., NVIDIA Drive, Qualcomm Ride).Port and configure Linux-based systems, QNX, and Adaptive AUTOSAR environments.Integrate and validate drivers...

Role overview The PreMaster Benchmark Consultant at Bosch Group in Leonberg focuses on benchmarking performance metrics and analyzing data trends. This role supports business decisions by working with teams from various departments, gathering insights that help improve operational efficiency and effectiveness. What you will do Benchmark key performance metrics across different projects and teams Analyze data trends to spot areas for improvement Collaborate with colleagues from multiple disciplines to share findings and recommendations Support projects designed to enhance business operations Requirements Strong analytical skills and attention to detail Experience or interest in consulting and data analysis Comfort working with cross-functional teams Ability to present insights clearly to support business decisions

About ClickHouseHonored in the 2025 Forbes Cloud 100 list, ClickHouse stands out as a leading innovator among rapidly growing private cloud enterprises. With a customer base exceeding 3,000 and an impressive annual recurring revenue growth of over 250 percent, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s continuous and accelerating growth was recently underscored by a substantial $400 million Series D funding round. Notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or expanded their existing operations in the last three months. These organizations join an esteemed roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.We aim to revolutionize how businesses utilize data. Join us on our exciting journey!Note: This role is available for remote work in any country where ClickHouse has a hiring presence.About the TeamThe ClickPipes - Database Integrations team is responsible for developing a platform that facilitates real-time data replication from databases into ClickHouse at an unparalleled petabyte scale.As a member of this team, you will tackle complex database-related challenges and distributed system issues, including understanding database internals to refine snapshotting strategies, managing schema evolution during live replication, ensuring data type compatibility across various systems, maintaining low end-to-end latency under unpredictable loads, and utilizing robust execution frameworks to guarantee data consistency across unreliable networks. We operate transparently — our database integrations are constructed on PeerDB, an open-source CDC platform to which we actively contribute.Check out some of our latest projects:ClickPipes for Postgres now supports failover replication slotsMongoDB CDC to ClickHouse with Native JSON SupportUnder the Hood: Building MySQL Change Data Capture in ClickPipesYour Responsibilities:Develop data-driven systemsDesign and implement high-performance integrations with databases (Postgres, MySQL, MongoDB), data lakes (Iceberg, Delta Lake), and data warehouses (BigQuery, Snowflake).

Join Renesas Electronics as a Principal Engineer specializing in Application Engineering. In this pivotal role, you will drive the development of innovative solutions, collaborating with cross-functional teams to deliver exceptional products that meet customer needs. Your expertise will guide the engineering team in both design and implementation phases, ensuring that our applications are optimized for performance and reliability.

Join Mindrift as an AI Workflow Engineer and contribute to the Tendem project. We are developing cutting-edge intelligent automation systems powered by large language models (LLMs) in a hybrid AI + human environment.In this role, referred to as an AI Pilot at Mindrift, you will work alongside Tendem Agents to streamline repetitive tasks. Your structured thinking, prompt engineering expertise, and commitment to quality control will be critical in delivering scalable, reliable AI-driven workflows.This part-time remote position is ideal for professionals with practical experience in LLM integrations, prompt design, and AI-powered automation systems.

About ClickHouseRanked among the most innovative and rapidly growing private cloud companies, ClickHouse is proud to be featured on the 2025 Forbes Cloud 100 list. With a robust clientele exceeding 3,000 and an impressive annual recurring revenue (ARR) growth of over 250% year on year, ClickHouse is a leader in real-time analytics, data warehousing, observability, and AI workloads.Our recent $400 million Series D funding round has further validated our continuous momentum. In just the past three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or expanded their use of our platform, joining esteemed brands like Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize the way companies leverage data!Note: This position can be based remotely in the Netherlands, UK, or Germany.At ClickHouse, we are dedicated to providing our customers with reliable and secure services. To further this commitment, we are expanding our Site Reliability Engineering team within ClickHouse Core. As one of the pioneering members of our Reliability Engineering Team, you will play a crucial role in developing and enhancing processes that ensure the reliability, availability, scalability, and performance of ClickHouse. You will work collaboratively with various teams—such as Control Plane, Dataplane, Security, Support, and Operations—to guide them in deploying ClickHouse optimally for our customers. Additionally, you will manage engineering escalation processes, lead investigations, conduct blameless post-mortem analyses, and drive continuous improvements in how ClickHouse operates and optimizes in the cloud. This role presents a unique opportunity to make a meaningful impact on our elastic, limitless scale, high-performance ClickHouse in ClickHouse Cloud.What will you do?Continuously enhance the reliability and performance of ClickHouse core.Develop and refine metrics and alerts to proactively identify and prevent production issues before they impact customers.Investigate common customer issues to uncover root causes, submit bug fixes, report issues, and propose enhancements.Enhance incident response processes and conduct post-mortem analyses for outages, collaborating with support and Cloud teams to communicate effectively with affected customers.Plan and implement Chaos initiatives across Engineering teams based on internal priorities.Manage on-call processes to ensure swift and effective incident handling.

Join Delivery Hero as a Principal Engineer specializing in AdTech. We are looking for a highly skilled individual to lead our engineering initiatives within the advertising technology space. You will work closely with cross-functional teams to enhance our platform, ensuring a seamless and innovative experience for our users.In this role, you will mentor junior engineers, drive technical decisions, and contribute to the architectural vision of our advertising systems. Your expertise will play a crucial role in shaping the future of our AdTech solutions.

About Air Apps Air Apps began in Lisbon in 2018 and has grown quickly, reaching over 100 million downloads worldwide. The team focuses on building AI-powered tools, including a Personal & Entrepreneurial Resource Planner (PRP) designed to help individuals and entrepreneurs manage resources more effectively. Database Administrator Role The Database Administrator (DBA) will manage, optimize, and secure complex database systems that support Air Apps’ AI-driven platform. This role involves close collaboration with engineering and cross-functional teams to ensure databases run efficiently and reliably. Main Responsibilities Design, implement, and maintain high-performance database systems Collaborate with engineering teams on database architecture and improvements Monitor database health and performance Develop and execute backup and recovery strategies Ensure data integrity across multiple sources Perform database tuning and optimization Location and Work Environment This is a fully onsite position based in the Lisbon office Work closely with cross-functional teams Relocation assistance is available for those moving to Lisbon

Anyone AI is seeking experienced software engineers in Germany for a part-time, project-based role supporting a leading AI research lab. This position centers on expert evaluation and allows for fully remote work within Germany. Key responsibilities Design and complete multi-file coding tasks, such as bug fixes, new features, refactoring, and testing Write detailed specifications in natural language and supply reference implementations Develop and enhance unit and integration test suites Review tasks created by peers for accuracy, clarity, and realism Identify edge cases, ambiguities, and potential failure points Verify alignment between specifications, code, and expected outcomes Requirements Exceptional written English 3–7 years of professional software engineering experience Strong skills in Python and JavaScript or TypeScript; familiarity with Java, C#, or Go is a plus Experience in backend or full-stack development for production systems Comfort with testing frameworks like pytest, Jest, JUnit, xUnit, or Go testing tools Advanced debugging abilities in large, multi-file codebases Background in code reviews, refactoring, and handling production migrations What success looks like Consistently delivers production-ready code and thorough documentation Work arrangement Part-time, project-based contract Remote within Germany

Join our dynamic team at dev2 as a Senior/Lead Software Engineer specializing in Database Reliability. We are seeking an experienced professional who will ensure the performance, reliability, and availability of our database infrastructure. You will play a crucial role in designing and implementing solutions that enhance our database systems while collaborating closely with cross-functional teams.

At Pipedrive, we recognize that exceptional products are the result of exceptional people. Our team embodies our core values, and we prioritize these in our hiring process. Since our inception in 2010, we have been dedicated to empowering sales and marketing teams with intuitive, robust tools that streamline daily operations. Today, our cloud-based platform is trusted by over 100,000 businesses across 179 countries. From a humble beginning of just five individuals, we have expanded to a diverse, global workforce of over 850 professionals from more than 50 nationalities, with ten offices across Europe and the U.S. In 2020, we celebrated a significant milestone when Vista Equity Partners, a leading global investment firm focused solely on enterprise software, data, and technology-enabled companies, became our majority investor, placing Pipedrive among Estonia's elite unicorns.We are currently seeking a Principal AI/ML Scientist & Engineer to spearhead a dynamic team of Applied Scientists and AI/ML Engineers. This role is ideal for a pragmatic "Builder-Scientist"—a technical leader with a rigorous scientific background who is also passionate about delivering data products that captivate our customers. You will define the technical roadmap for AI/ML solutions that harness the potential of both structured and unstructured data, effectively bridging the divide between cutting-edge research and production-ready systems. Your success will be measured by your technical leadership, the leverage you provide, and the tangible business results you drive.

Join our dynamic team at Xsolla as a Senior Database Administrator, where you will play a pivotal role in managing and optimizing our database systems. You will ensure our data infrastructure is robust, scalable, and secure, enabling our gaming solutions to thrive. Collaborate with cross-functional teams to implement best practices in database management and contribute to innovative projects that push the boundaries of gaming technology.

Join our dynamic team at CACI as a Systems Engineer/Developer specializing in Applications and Database Design. In this role, you will leverage your technical expertise to design, develop, and maintain robust applications that meet our clients' needs. You will collaborate with cross-functional teams to deliver innovative solutions while ensuring optimal database performance and reliability.As a mid-senior level engineer, you will play a crucial role in the software development lifecycle, from requirements gathering to deployment and beyond. You will be responsible for implementing best practices in coding and database design, and you will have the opportunity to mentor junior team members, enhancing their skills and fostering a collaborative learning environment.

About commercetoolsAt commercetools, we believe that true innovation is rooted in a solid foundation, achieved through the right synergy of our products and our talented people. Our team is made up of visionary builders, adventurous explorers, and creative problem-solvers. These are the individuals who have not only transformed commerce architecture with a more flexible approach but also fostered a culture of experimentation that drives our success. Together, we are the pulse of commerce innovation today. We empower the next generation of commerce solutions for our clients—whether it's AI-driven tools for informed decision-making, merging digital and physical shopping experiences, or creating new avenues for industries to engage with their customers. We enable the world’s most ambitious companies to experiment, scale, and thrive without limits. Here, the best ideas take precedence over the loudest voices, and you will have the resources, autonomy, and trust to not only redefine the future of commerce but to shape your own journey.Your ImpactAs a Principal Engineer in Product Security, you will play a pivotal role in supporting the Engineering team by addressing complex technical challenges and facilitating a 'shift left' approach to building secure services on a multi-cloud infrastructure.