Senior Software Engineer, Nix

Role Overview Datadog is looking for a Senior Software Engineer focused on Distributed Systems to join teams in Boston, MA or New York, NY. This role centers on designing, building, and maintaining the core platforms that power Datadog’s applications. These systems handle data at massive scale, supporting real-time ingestion, storage, analysis, and querying of billions of events from customers worldwide. What You Will Do Design and implement distributed data pipelines built for durability, high availability, and low latency Operate and improve platforms that support internet-scale workloads Ensure systems are reliable and efficient for real-time analytics Workplace and Culture Datadog values a lively office culture that encourages creativity, teamwork, and strong connections among colleagues. The company offers a hybrid workplace model to support work-life balance.

Join us in transforming how the Department of Defense approaches multi-billion-dollar force-design decisions. As a Senior Backend Platform Engineer, you will integrate physics-driven simulations, interactive computing, and validated AI code generation to develop cutting-edge wargaming platforms. If the prospect of creating ultra-low-latency APIs, managing high-volume geospatial data, and leading with clean, production-ready Python excites you, we want to hear from you!Your ResponsibilitiesOwn the service layer: Design, build, and scale FastAPI microservices and ultra-fast ZeroMQ messaging pipelines in Kubernetes and bare-metal clusters.Wrangle data at speed & scale: Shape and query multi-TB Postgres/PostGIS datasets, orchestrate Redis for sub-millisecond state, and ensure stability under bursty loads.Glue the stack together: Expose crisp, well-versioned REST & WebSocket endpoints for the frontend team and simulation kernel.Ship continuously: Automate CI/CD, observability, and security hardening to meet DoD standards; deploy to production with confidence.Lead by example: Drive code reviews, mentor team members, and set the standard for test coverage and documentation.Why Choose Code Metal?Mission with Impact: Your work will contribute to the digital infrastructure of modern battlefields, influencing multi-billion-dollar defense acquisitions.Velocity: Work in tight-knit teams with weekly releases and no bureaucratic delays.Ownership: Every engineer is empowered to ship significant code without being a passenger.

At WHOOP, we are dedicated to empowering individuals to enhance their performance and extend their healthspan. As a Senior Software Engineer on our Business Systems team, you will be instrumental in designing and implementing robust backend systems that drive WHOOP’s internal operations. Your efforts will facilitate scalability and operational efficiency across various departments, including Finance, Operations, and Member Services. By architecting and maintaining critical services and integrations, you will play a crucial role in ensuring that our systems are reliable, secure, and high-performing, ultimately helping WHOOP deliver exceptional value to our members and support our global growth ambitions.

FieldAI is at the forefront of revolutionizing the interaction between robots and the real world. Based in Boston, our dynamic R&D team is dedicated to developing AI systems that are risk-aware, reliable, and ready for field deployment. Our solutions address some of the most challenging problems in robotics, unlocking the full potential of embodied intelligence. We pride ourselves on a pragmatic approach that combines cutting-edge research with practical deployment, moving beyond standard data-driven methods and transformer-only architectures. Our systems are already deployed worldwide, and we are committed to continuous improvement through rapid iterations based on real-world applications.We are looking for enthusiastic engineers to join our team and contribute to the advancement of our humanoid robot software stack. In a fast-paced environment, you will collaborate with a focused team to integrate various subsystems such as perception, planning, locomotion, and manipulation into a seamless, reliable system that operates effectively in unstructured real-world environments. A key responsibility will be to transition research-grade capabilities into robust, production-quality systems. The ideal candidate will possess a solid understanding of robotic software systems and demonstrate the practical skills necessary for delivering high-quality, maintainable code within a small, dedicated team.

Join Anduril Industries as a Senior Software Engineer specializing in Flight Management Systems. In this pivotal role, you will design, develop, and implement software solutions that enhance our advanced flight management technologies. You will work closely with cross-functional teams to ensure high-quality software delivery and contribute to innovative projects that push the boundaries of technology.

At Anduril Industries, we're on a mission to revolutionize defense technology for the U.S. and allied military forces. By integrating innovative expertise and cutting-edge technology, we're transforming how military systems are designed, built, and sold. Our advanced Lattice OS powers a sophisticated AI-driven command and control center that synthesizes thousands of data streams into actionable insights. In this new era of strategic competition, we're dedicated to delivering breakthrough advancements in autonomy, AI, computer vision, sensor fusion, and networking technology to the military within significantly reduced timelines.About the TeamOur Maritime Division is comprised of a diverse group of specialists in software, robotics, AI, sensor fusion, and data analysis, all working together to create advanced software and hardware solutions that significantly enhance our clients' capabilities. We're at the forefront of deploying next-generation autonomous systems designed to meet the demanding challenges of maritime operations. Our innovative offerings include a unique ultra-long-range underwater vessel platform and a versatile maritime vehicle architecture that can scale from small to extra-large sizes. Currently, we're engaged in high-value contracts while also executing Robot-as-a-Service (RaaS) AUV operations.To continue our momentum, we are heavily investing in an expanded product portfolio that includes Dive-XL, Dive-LD, Copperhead, Seabed Sentry, and other upcoming systems. These products are designed to create a cohesive system-of-systems approach, enabling comprehensive execution of various autonomous missions in the maritime domain. If you are driven to solve impactful challenges and contribute to national strategic priorities, we invite you to join our Maritime Division and help us shape the future of defense capabilities.About the JobAs a Senior Software Engineer, you will independently lead the development of a range of embedded and safety-critical software integrated into our products. Responsibilities include the management of devices, drivers, firmware, power management, networking, as well as contingency management and recovery. We expect our Senior Software Engineers to take ownership of outcomes at both the major subsystem and system levels. You will serve as a technical lead, guiding the rapid architecture, design, delivery, support, and evolution of next-generation autonomous platforms throughout their entire product lifecycle.

About You: We are on the lookout for a seasoned Senior Software Engineer to lead the design, implementation, testing, and certification of flight-critical autonomy algorithms for cutting-edge aerospace systems. In this pivotal role, you will harness MathWorks tools to develop model-based flight software and oversee the complete lifecycle of DO-178C compliant development.

COMPANY OVERVIEWKKR is a premier global investment firm specializing in alternative asset management and providing innovative capital markets and insurance solutions. Our mission is to deliver outstanding investment returns by employing a disciplined, long-term investment strategy, engaging top-tier talent, and fostering growth within our portfolio companies and the communities we serve. KKR sponsors a variety of investment funds targeting private equity, credit, and real assets, while also partnering with strategic affiliates managing hedge funds. Our insurance affiliates deliver retirement, life, and reinsurance products through Global Atlantic Financial Group, ensuring a wide range of financial solutions for our clients.TEAM OVERVIEWAt KKR, our Technology team is at the forefront of shaping the firm’s technological landscape. We view technology as a critical business enabler and a catalyst for global scalability and transformation of our business processes. Our culture of excellence is fueled by efficient workflow automation, democratization of data, and the strategic integration of cutting-edge technologies to meet our operational needs effectively.POSITION SUMMARYThe Investments Operations & Reference Data Technology Team plays a vital role in the design, development, and maintenance of KKR’s strategic business systems. These systems underpin investment trading, pre- and post-trade allocation, market and reference data management, trust compliance, cash management, and essential risk control reporting.Our technology solutions cater to a wide array of financial instruments, predominantly in Fixed Income, including investment-grade and high-yield bonds, commercial and residential mortgage loans, and various alternative asset-backed securities such as private securitizations. Additionally, the firm engages in derivative transactions to mitigate risks linked to annuity liabilities arising from our insurance sector.Collaboration is key; our team works closely with:Asset Allocation Team: Focused on optimizing asset-liability matching and facilitating periodic portfolio rotations to enhance yield.

Veeva Systems Inc. is a purpose-driven leader in the industry cloud sector, dedicated to accelerating the journey of life sciences companies in delivering therapies to patients more swiftly. As one of the fastest-growing SaaS enterprises in history, we achieved over $2 billion in revenue last fiscal year, with promising growth prospects ahead.At the core of Veeva's culture are our values: Integrity, Customer Success, Employee Empowerment, and Agility. We are not just another public company; we made history in 2021 by becoming a Public Benefit Corporation (PBC), legally committed to balancing the interests of customers, employees, society, and investors.As a Work Anywhere organization, we offer the flexibility to work from home or the office, allowing you to thrive in your preferred environment.Join us in transforming the life sciences sector, as we strive to create a positive impact on our customers, employees, and communities.The RoleWe are seeking multiple Senior Sustaining Software Engineers who are enthusiastic about working in a dynamic, startup-like atmosphere within a stable and profitable company. Our team tackles intricate challenges that influence the efficiency and speed of the life sciences industry. In this role, you will dive right in, identifying and resolving issues related to our Vault CRM product.

Veeva Systems is a trailblazer in the industry cloud space and stands as one of the fastest-growing enterprise SaaS companies, achieving over $2 billion in revenue last year. Our mission is to accelerate the delivery of therapies to patients, making a significant difference in their lives. As a public benefit corporation, we are dedicated to balancing the needs of our customers, employees, society, and investors, providing an exceptional opportunity to contribute to innovative products that enhance operational efficiency and safety for our clients.We invite you to join our vibrant engineering team as a Senior Java Engineer. In this role, you will be at the cutting edge of developing scalable, enterprise-grade applications utilizing contemporary open-source technologies. You will confront challenging problems, take ownership of your solutions, iterate swiftly, and witness your contributions foster innovation within the life sciences sector.

GMO seeks a Software Engineer focused on Client Systems for its Boston, MA office. This position involves developing and refining software that underpins client services. Teamwork with colleagues from various backgrounds is part of the daily routine. Key responsibilities Design, build, and implement software solutions for systems used by clients Collaborate with teams across disciplines to deliver new features and system improvements Troubleshoot technical issues to maintain system efficiency and reliability Share ideas and technical expertise to enhance user experience and overall system performance Location This role is based in Boston, MA.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each team member—the Klaviyos—brings to our dynamic workplace. We believe that everyone deserves an equitable opportunity to succeed, and we value the unique experiences that go beyond conventional job requirements. If you find that you closely align with our expectations, we encourage you to apply! Curious about life at Klaviyo? Discover how we empower creators to shape their own futures at klaviyo.com/careers.Why Join Our Email Platforms Team?The Email Platforms team at Klaviyo is at the forefront of developing cutting-edge infrastructure to ensure reliable, scalable, and high-performance email delivery. Our mission is to propel Klaviyo to enterprise-scale by evolving and owning our email sending pipeline comprehensively. We are heavily investing in our proprietary email delivery infrastructure, granting us enhanced control, performance, and reliability in serving some of the world's largest brands.As a member of this high-impact team, you will tackle significant technical challenges related to high-throughput systems, distributed messaging, and service performance at scale. Your work will play a crucial role in enhancing customer satisfaction and driving business success. If you are passionate about email infrastructure, systems design, and high-scale backend development using Go, this opportunity is perfect for you.Your Impact:Lead and own key components of the email pipeline architecture.Design and implement scalable, high-throughput services using Go.Create systems to manage message queues and oversee email delivery.Ensure our systems scale seamlessly with customer growth, particularly as we onboard larger enterprise accounts.Collaborate across departments to uphold the highest standards of performance, reliability, and deliverability.Revolutionize workflows by integrating AI, building smarter systems and processes from the ground up.Your Profile:Senior-level backend engineer with a strong foundation in systems design.Expertise in Go (mandatory); experience with Python is a plus.

Veeva Systems is a forward-thinking organization and a leader in the industry cloud space, dedicated to accelerating the delivery of therapies to patients. As one of the most rapidly expanding SaaS companies ever, we achieved over $2 billion in revenue last fiscal year, with significant growth opportunities on the horizon.At Veeva, our core values guide us: Do the Right Thing, Customer Success, Employee Success, and Speed. We’re not just any public company – in 2021, we made history as a public benefit corporation (PBC), committed to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere organization, we offer the flexibility for you to work from home or in the office, allowing you to excel in your preferred environment.Join us in transforming the life sciences industry and making a substantial positive impact on our customers, employees, and communities.The RoleVeeva’s Vault Platform serves as the leading foundation that empowers our Life Sciences clients—from emerging biotech firms to global pharmaceutical corporations—to conduct and oversee clinical trials, maintain stringent compliance with worldwide regulations, and securely produce life-saving medications.The Infrastructure team is tasked with designing and operating a massively scalable, resilient, and highly available platform that supports every application developed on Veeva Vault. We utilize a diverse, modern stack of cloud-native and open-source technologies to create a secure, distributed, and high-performance system.We are in search of Senior Software Engineers who thrive in hands-on roles, enjoy rapid release cycles, and are adept at fine-tuning systems for optimal performance and quality.

At WHOOP, we are dedicated to revolutionizing human performance and extending healthspan. By empowering our members with a profound understanding of their bodies and daily activities, WHOOP enables individuals to achieve their peak potential.We are seeking a talented Software Engineer II to become an integral part of our Business Systems team. In this pivotal role, you will be responsible for designing and implementing robust backend systems that drive WHOOP's internal operations, fostering scalability and efficiency throughout the organization. You will architect and maintain essential services and integrations that support various functions, including Finance, Operations, and Member Services. By developing reliable, secure, and high-performance systems, you will have a direct impact on how WHOOP delivers unparalleled value to our members and scales on a global level.

At Anduril Industries, we are revolutionizing defense technology to enhance military capabilities for the U.S. and its allies through innovative solutions. Our mission is to integrate the cutting-edge technology and business models of today's leading companies into the defense sector, fundamentally transforming how military systems are engineered, manufactured, and deployed. Our advanced systems utilize Lattice OS, an AI-driven operating system that synthesizes diverse data streams into a real-time, 3D command and control interface. As we navigate an era of strategic competition, Anduril is dedicated to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking technologies to military operations in a matter of months, not years.ABOUT THE TEAMOur Maritime Division comprises a dynamic team of professionals with expertise in software engineering, robotics, artificial intelligence, sensor fusion, and data analysis. Together, we are developing groundbreaking software and hardware solutions that significantly enhance our clients' operational capabilities. We are launching next-generation autonomous systems designed to meet the complex demands of maritime operations. Our portfolio includes a unique ultra-long-range, full-ocean-depth underwater vessel platform and versatile manufacturing frameworks that accommodate vehicle sizes ranging from small to extra-large. Currently, we are executing billion-dollar contracts while simultaneously providing Robot-as-a-Service (RaaS) for autonomous underwater vehicles (AUVs).We aim to build upon our initial successes through substantial investments in an expanded product line, which includes Dive-XL, Dive-LD, Copperhead, Seabed Sentry, among others yet to be announced. These innovations will create a cohesive system-of-systems, facilitating a spectrum of autonomous missions in maritime environments. If you are passionate about tackling impactful challenges and developing systems that contribute to national strategic objectives, we invite you to join Anduril's Maritime Division and help shape the future of defense capabilities.

At WHOOP, we are dedicated to elevating human performance through comprehensive insights into individual health and daily habits. We empower our members to achieve their peak potential.As we expand our technically advanced IT organization, we invite applications for the role of Senior Systems Engineer. This vital position will involve designing and constructing a robust framework for innovative and scalable IT operations. You will take ownership of our IT systems, processes, and infrastructure, propelling advancements in employee experience, identity and access management, automation and self-service, endpoint engineering, corporate security, compliance readiness, and much more. As one of the initial members of a dynamic and rapidly growing team, you will be expected to embrace significant responsibilities, navigate uncertainty, and shape the definition of world-class IT capabilities at WHOOP.This role will require close collaboration with company leadership, security teams, risk and compliance departments, IT support, and business systems.This is a high-impact position with an expansive scope of work, and while we don't anticipate superhuman results from a single individual, we are eager to attract candidates who thrive on challenges, are energized by technical problem-solving, and are poised to make a substantial impact.

Join OpenGov as a Senior Software Engineer and become part of a dynamic team dedicated to transforming how governments operate. In this role, you will lead the design and development of innovative software solutions that empower public sector organizations to enhance transparency and efficiency.

Join Veeva Systems, a groundbreaking organization at the forefront of the industry cloud, dedicated to accelerating the delivery of therapies to patients worldwide. As one of the fastest-growing SaaS companies in history, we have achieved over $2 billion in revenue last fiscal year, with abundant growth opportunities on the horizon.At Veeva, we operate based on our core values: Do the Right Thing, Customer Success, Employee Success, and Speed. In 2021, we made history by becoming a public benefit corporation (PBC), committed to balancing the needs of our customers, employees, society, and investors.As a Work Anywhere company, we empower you to choose your ideal work environment, whether from home or in the office, to help you thrive.Be a part of our mission to transform the life sciences industry and positively impact our customers, employees, and communities.The RoleWe are seeking a talented Senior Site Reliability Engineer to join our Vault Platform team. In this role, you will be responsible for ensuring the scalability and reliability of our enterprise applications. You will face complex challenges on a global scale, leveraging your deep knowledge of Java and modern open-source technologies to make a significant impact on our production systems.Ideal candidates will have extensive experience working with Java applications and the latest open-source technologies, preferably gained in enterprise software development or a rapidly growing tech environment. As a Senior SRE, you will need to be innately curious and possess strong problem-solving skills. Additionally, you will bring a unique engineering perspective, understanding how systems integrate in production to function at a global scale for hundreds of customers across North America, Europe, and Asia.

About Merlin Labs:Merlin Labs is an innovative, venture-backed aerospace startup dedicated to revolutionizing the aviation industry through the development of autonomous flight technology. Our mission is to create a non-human pilot system that facilitates both reduced crew and uncrewed flight operations. Supported by some of the foremost investors in the field, we are rapidly scaling our operations to harness the power of autonomy and address the most pressing challenges in aviation today.Your Role:As a Senior Systems Engineer, you will play a pivotal role in the development and testing of civil-certified and DOD safety-critical avionics systems. We are looking for a seasoned professional with a strong background in requirements development, system design, and testing. You should have a passion for innovation and a proven ability to navigate the complexities of product development within an experimental R&D flight test environment. Your experience in ensuring safety while advancing project timelines will be essential. Additionally, you will collaborate effectively with various engineering domains, customers, suppliers, and partners.