Principal Software Engineer at Viant Technology | Irvine & Los Angeles

WHAT YOU’LL DOAs a Principal Software Engineer at Viant Technology, you will play a crucial role in shaping the future of our Demand Side Platform (DSP). Our clients rely on this platform to launch, manage, and evaluate their advertising campaigns. You will lead a talented team of engineers in the design and implementation of sophisticated backend services and a user-friendly frontend UI that comprise our DSP. These solutions are deployed on a cutting-edge, cloud-based infrastructure that spans multiple regions and utilizes advanced technologies to support our clients' complex needs. Your expertise will ensure that our systems evolve to meet the demands of speed, scalability, and agility in today’s digital landscape. You will also have the chance to mentor fellow engineers and directly influence the success of Viant’s innovative products. Your primary focus will be on Viant DSP, working in collaboration with Product, Engineering, and Technical Operations teams to create specifications and provide production support.

What You'll DoViant® (NASDAQ: DSP) is a premier advertising software company that empowers marketers to seamlessly plan, execute, and measure omnichannel advertising campaigns through a state-of-the-art cloud-based platform. As a Principal Product Manager, you will take the helm of Viant DSP's supply products, leveraging research, data analysis, and feedback from vendors and partners to uncover customer needs and develop cutting-edge supply products. You will be responsible for the product vision, strategy, definition, and market delivery.The Day-to-DayLead and execute the strategy, roadmap, and deliverables for product launches.Oversee comprehensive product management for the suite of supply products within Viant DSP.Collaborate with cross-functional teams and gather external customer insights to identify pain points and opportunities.Establish and manage differentiated product requirements, prioritizing them on the roadmap for Viant DSP's self-serve media buying platform.Monitor dependencies within the technical landscape and ensure development aligns with expected outcomes.Work with teams to continuously enhance product functionality leading to successful results.Generate strategic, innovative product ideas and drive their implementation.Conduct thorough research on competitive offerings in the DSP sector.Communicate key performance indicators effectively to stakeholders.

Become a Part of Our Innovative Team! Are you an aspiring engineer at UCI, eager to explore the world of technology? Join us for a rewarding Summer 2026 internship at our headquarters in Irvine, where you will have the unique opportunity to apply your academic knowledge, learn from seasoned professionals, and engage in projects that make a significant impact. Our engineering internship program offers you the chance to tackle real-world challenges, collaborate with skilled teams, and enhance your technical expertise. We seek creative and ambitious individuals ready to embark on their engineering journey. If you're prepared to make a difference, we invite you to submit your resume! Prepare to immerse yourself in hands-on experiences! These exclusive on-site opportunities at our Irvine headquarters mean you’ll be working Monday through Friday alongside our vibrant team. Join us to gain direct access to leaders from various departments, collaborate with innovative thinkers, and contribute to projects that drive real change! Details of the Summer 2026 Internship Program: At Viant, we provide a tailored experience for our interns that closely resembles actual employment with us. We match qualified interns with projects and teams based on individual interests and skills, fully integrating them into those groups. Interns can expect a comprehensive onboarding experience, learning events, panel discussions, and invaluable networking opportunities. Additionally, interns will receive performance feedback from managers, as we may consider them for full-time roles or re-internship offers for the next summer.

YOUR ROLE As a Senior Software Engineer on our Runtime team at Viant Technology, you will play a pivotal role in the management and optimization of our Demand Side Platform (DSP). This dynamic position involves overseeing a high-volume, low-latency application that handles billions of unique requests daily. You'll have the chance to work with cutting-edge technologies in bid optimization and dynamic performance enhancement while developing self-diagnostic and healing architectures. Your focus will be on delivering elegant and scalable solutions that effectively balance immediate and long-term needs. Your responsibilities will include designing, developing, and maintaining software features with a keen emphasis on cost, scalability, performance, and fault tolerance. You will also engage in design discussions, code reviews, and bug triage/Root Cause Analysis (RCA) sessions. This role primarily supports the Viant DSP, requiring collaboration with Product, Engineering, and Technical Operations teams throughout the entire lifecycle from ideation to productization and beyond.YOUR DAILY TASKSProvide technical guidance to successfully implement and deliver various web and system projects.Organize and actively participate in review sessions, contributing design insights while collaborating on architectural discussions.Engage in system testing to ensure quality deliverables, addressing issues through Root Cause Analysis (RCA).Design, develop, and maintain scalable, high-performance systems with a focus on cost efficiency, scalability, and fault tolerance.Contribute to the ongoing development and review of existing projects while identifying opportunities for enhancements.Participate in all phases of the software development lifecycle, from concept to deployment.Work on optimizing application performance with an emphasis on low-latency and high-throughput requirements.Interface with program managers, developers, and cross-functional teams for project assignments.QUALIFICATIONSBachelor's degree in Computer Science or a related field preferred.Robust foundation in computer science principles and Object-Oriented Programming (OOP).Over 5 years of professional experience in software engineering.Proficiency in programming languages relevant to our tech stack.

Join sbtglobalinc, a leader in innovative technology solutions, as a Software Engineer. We are looking for passionate individuals who thrive in a dynamic environment and are eager to contribute to the development of cutting-edge software. This is an excellent opportunity for recent graduates or those in the early stages of their careers to gain hands-on experience and grow within our organization.

Join Western Digital Corporation as a Principal Engineer in Software Development Engineering. We seek a talented and innovative engineer who is passionate about software development and engineering excellence. In this role, you will lead technical projects, mentor junior engineers, and contribute to the design and implementation of cutting-edge software solutions.As a Principal Engineer, you will work closely with cross-functional teams to deliver high-quality software products. You will be responsible for defining architecture, driving best practices, and ensuring software reliability and performance.

YOUR ROLEAs a Senior Staff Software Engineer on our Platform team, you will architect and develop innovative software solutions that address complex challenges while aligning with our long-term vision. Your focus will be on delivering streamlined, scalable, and adaptable solutions that balance immediate needs with future objectives. You will engage in designing, developing, maintaining, and debugging software features, prioritizing cost efficiency, scalability, performance, and resilience. Your contributions will include participating in design discussions, conducting code reviews, and leading bug triage and Root Cause Analysis (RCA) sessions. You will share your expertise and insights with a passionate and driven team.In this position, you will primarily support Viant's Demand-Side Platform (DSP) and collaborate closely with Product, Engineering, and Technical Operations teams throughout the product lifecycle, from ideation through to product launch and beyond.

WHAT YOU’LL DO Join our dynamic team at Viant Technology as a passionate hands-on Engineering Manager tasked with leading a skilled group of engineers in developing high-performance, scalable web applications. You will leverage your robust technical expertise in Angular (frontend) and Java/Go (backend), alongside your solid experience with microservices, serverless architecture, and database systems. Your leadership will be pivotal in enhancing the Viant DSP portal, collaborating closely with partner engineering teams and product management to oversee the design and implementation of new features. THE DAY-TO-DAY Direct the development of top-tier features based on inputs from product managers. Initiate continuous improvement strategies to enhance platform performance, reliability, and scalability. Occasionally engage in coding and design tasks, working alongside the engineering team on critical projects, performing code reviews, and offering technical guidance while balancing managerial duties. Lead efficient teams by implementing quality practices, ensuring timely delivery, overseeing architecture and design, and upholding high coding standards. Promote a culture of continuous growth through coaching, mentoring, feedback, and measurable outcomes. GREAT TO HAVE 8+ years of experience, including 1-2 years managing full-stack teams. Bachelor’s degree in Computer Science or Engineering; a Master’s degree is preferred. 6+ years of hands-on programming experience in Java and/or Go. Proven track record of building large, horizontally scalable distributed systems. In-depth knowledge of various cloud providers and services, particularly AWS and GCP. Experience in developing large customer-facing applications. Successful background in agile development and CI/CD processes. Previous experience in the ad tech industry is a plus. LIFE AT VIANT We value our employees' professional development and well-being, which is why Viant has been recognized as one of the best places to work. Our employee benefits include fully paid health insurance, paid parental leave, unlimited PTO, and much more.

WHAT YOU’LL DO At Viant Technology, we empower our clients to effectively set up, manage, and monitor their advertising campaigns through our robust Demand Side Platform (DSP). Our platform team is responsible for an intricate array of backend services and a user-friendly frontend interface that collectively form the core of the DSP. These services are hosted within a sophisticated, multi-region, cloud-based infrastructure, leveraging cutting-edge technologies to navigate the complexities inherent in any Demand Side Platform (DSP), such as Viant DSP. As a Senior Engineer on the Platform team, you will engage in the development of software solutions that address complex challenges while aligning with our long-term strategic vision. Your contributions will focus on crafting simple, elegant, scalable, and extensible solutions that effectively balance immediate needs with future growth. You will design, develop, maintain, and troubleshoot software features with a keen focus on cost, scalability, performance, and fault tolerance. Your role will also involve participating in design discussions, conducting code reviews, and taking part in bug triage and Root Cause Analysis (RCA) sessions. In your primary support of Viant’s DSP, you will collaborate closely with Product, Engineering, and Technical Operations teams throughout the entire product lifecycle from ideation to productization and beyond.THE DAY-TO-DAYWork alongside product managers, designers, and fellow engineers to create and deliver comprehensive features across the entire stack—from responsive UIs built with Angular/React to robust backend services developed in Java and Go.Develop and sustain APIs and backend microservices operating in cloud environments (AWS and GCP), ensuring their reliability, performance, and security.Produce clean, maintainable, and testable code in accordance with modern software development best practices, including automated testing and CI/CD pipelines.Craft optimized SQL queries to support application functionality, reporting, ETL, and analytics requirements.Engage in regular code reviews, design discussions, and agile ceremonies (stand-ups, sprint planning, retrospectives).Collaborate closely with DevOps/Cloud Engineering to facilitate seamless deployments, infrastructure as code, and ensure high system availability.Proactively identify areas for improvement within the codebase and contribute to technical roadmaps and refactoring initiatives.

Join our innovative team at Lever, where we are redefining the recruitment landscape!Lever, founded a decade ago, addresses the critical challenge of attracting and hiring exceptional talent. Our advanced hiring software is trusted by renowned companies such as Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to empower their growth. We pride ourselves on being at the forefront of talent acquisition innovation, and we are looking for dynamic individuals to join our journey as we scale our operations.As an Implementation Specialist working closely with our SMB/Corporate Customers, you will play a pivotal role in a high-volume, customer-facing environment. You will manage your own pipeline and provide personalized training sessions aimed at enhancing the adoption and utilization of the Lever platform. If you are known for your hustle, creativity, and persistence, we want to hear from you!

Join The Trade Desk as a Software Engineer I, where you'll be at the forefront of developing innovative full-stack software solutions. In this role, you'll leverage your expertise in relational and high-performance databases, back-end application development, and modern JavaScript frameworks to create and optimize cloud-based applications.As a vital member of our team, you will serve as a subject matter expert on measurement solutions, including The Trade Desk Conversion Lift and Campaign Reporting. Your responsibilities will encompass monitoring deployed solutions, using tools like NewRelic and Grafana, to ensure exceptional performance and user satisfaction.We believe in quality delivery, and you will incorporate automated unit, integration, and end-to-end tests to prevent regressions and enhance our development velocity. Collaborating closely with product managers and designers, you will influence project directions and user experiences, tracking progress through tools like Jira.

FieldAI is at the forefront of embodied AI, integrating cutting-edge technology with real-world robotics, sensors, and deployments in our Irvine office. Situated in the vibrant robotics ecosystem of Southern California, we create risk-aware and reliable AI systems designed for field applications. If you are eager to see your work come to life through hardware testing and real-world deployments, our team in Irvine is the ideal environment. We employ advanced engineering techniques and learning systems, surpassing traditional data-driven methods, to continuously enhance the performance of our globally deployed robots.We are seeking a Robotics Software Engineer specializing in Mapping to innovate and implement advanced perception and 3D mapping systems at FieldAI. This hands-on position involves direct interaction with physical robots, sensors, and diverse field environments, making it a truly immersive role.As part of our dynamic Irvine team, you will be instrumental in developing scalable, production-ready point cloud and mapping pipelines that drive customer outcomes and support our globally deployed robotic systems.You will oversee the end-to-end process from data capture to documentation, including integrating laser scanners, validating mapping performance in realistic scenarios, and enhancing the reliability of our systems through meticulous engineering practices.

Field AI is revolutionizing the interaction of robots with the physical world. We are developing advanced AI systems that are both risk-aware and reliable, designed specifically for real-world applications. Our solutions tackle the most intricate challenges in the field of robotics, harnessing the vast potential of embodied intelligence. Our innovative approach transcends standard data-driven methodologies and purely transformer-based models, leading us to establish a unique path in AI deployment. With solutions already in use around the globe, we are continuously enhancing our models via real-world applications.We are seeking a Software Engineer, Product to spearhead the development and management of customer-centric products at the convergence of embodied AI, robotics, and real-time data. In this role, you will collaborate closely with our AI, robotics, product, and commercial teams to transform complex data gathered from construction sites into intuitive, impactful software utilized globally on active job sites.This is a hands-on position ideal for engineers who thrive on delivering tangible products, engaging directly with customers, and witnessing their innovations in action beyond laboratory settings.

Role Overview ePlus inc. is hiring a Principal Technologist in Irvine, CA. This senior role shapes the direction of technology services across the company. The Principal Technologist leads major initiatives and guides the development of advanced solutions for clients. What You Will Do Lead technology projects from concept through delivery Advise on strategy for technology services and solutions Apply deep technical expertise to influence company direction Ensure solutions meet high standards for clients

About UsKettle is an innovative Managing General Agency (MGA) that focuses on wildfire insurance, leveraging advanced underwriting technology alongside extensive industry expertise.Position OverviewWe are on the lookout for a Senior Full-Stack Software Engineer with robust DevOps experience and front-end expertise to join our dynamic engineering team. In this hands-on role, you will be tasked with architecting, building, and maintaining core systems within our AWS-based stack. You will contribute to front-end product development and play a crucial role in scaling Kettle's engineering infrastructure as we expand. Your responsibilities will begin with direct contributions to system improvements, with increased scope and ownership as you acclimate.Collaboration will be key, as you will work closely with data engineering, modeling, risk, and product teams to deliver performant, reliable, and secure systems that underpin our underwriting platform and geospatial analytics tools.Why This Role ExistsAs Kettle expands, our engineering systems are becoming integral to underwriting, mapping, and data science workflows. Our small, senior engineering team boasts strong backend and modeling capabilities, and we seek to enhance our infrastructure, DevOps practices, and front-end tools to better support a scaling platform. While our current systems perform effectively, increasing usage necessitates improvements in deployment reliability, observability, infrastructure consistency, and the overall developer experience. This role is designed to proactively strengthen our foundations to meet future demands.We are looking for a seasoned engineer capable of enhancing the reliability, scalability, and developer experience of our AWS-based platform while also contributing to the internal tools and interfaces utilized daily by our underwriting and risk teams. This engineer should possess a product-centric mindset and be comfortable navigating the entire stack, with primary strengths in infrastructure, followed by front-end tools and backend systems. You will have significant autonomy in shaping our deployment, monitoring, and systems evolution, playing a vital role in elevating our engineering standards as we grow.What Success Looks LikeWithin the First 6 Months, You Will:Enhance observability, monitoring, and deployment reliability.Deliver valuable improvements to internal dashboards and underwriting tools.Establish yourself as a key collaborator with data engineering and modeling teams to ensure system reliability.By the End of 12 Months, You Will:Significantly advance our DevOps posture and developer workflows.Become a trusted advisor for infrastructure and architectural decisions.Contribute to the deployment and support strategies of new underwriting and mapping products.Uplift the engineering standards across backend, infrastructure, and internal tooling domains.

Become a key player in a mission that transcends earthly limits! At Terran Orbital, you will not only be part of a team but a crucial force driving our vision of innovation in satellite manufacturing and aerospace technology. Our pioneering spirit enables us to break barriers daily, delivering revolutionary solutions that empower both our nation’s defense and commercial endeavors. We pride ourselves on being a fast-growing, reliable team committed to the rapid design, construction, launch, and operation of cutting-edge satellites for advanced mission constellations. If you are motivated by purpose, energized by challenges, and eager to make a lasting impact on the universe, you will discover a supportive environment and limitless opportunities for advancement here. Together, let’s reshape the future of space exploration!SummaryWe are on the lookout for a skilled Flight Software Engineer to enhance our vibrant team. Reporting directly to the Flight Software Engineering Manager, the Flight Software Engineer will be responsible for the design, development, and maintenance of crucial software systems that govern our satellites, ensuring dependable performance and mission success within the demanding conditions of space.

Join our dynamic team at USM2 as a Software Development Engineer in Test (SDET)! We are looking for a passionate individual with a strong background in software development and a keen eye for quality assurance. As an SDET, you will be responsible for designing and implementing test automation frameworks, ensuring the highest quality of our software products.Your role will involve collaborating closely with developers and product managers to define testing requirements and execute thorough testing processes. This is an excellent opportunity to contribute to exciting projects in a collaborative environment.

YOUR ROLE We are seeking a talented and driven Database Reliability Engineer to become a vital part of our expanding team at Viant Technology. In this position, you will play a crucial role in designing, implementing, and overseeing our database infrastructure on cloud platforms such as AWS and Google Cloud Platform (GCP). This role presents an excellent opportunity for technical growth while enhancing the performance, automation, and reliability of our data systems. DAY-TO-DAY RESPONSIBILITIES Database Maintenance and Operations: Ensure the health of our databases by managing backups, replication, and regular maintenance tasks across various environments including MySQL, PostgreSQL, and SQL Server. Cloud Database Support: Provide administration support for cloud-based databases such as AWS RDS, Aurora, DynamoDB, and Google Cloud SQL, guaranteeing optimal reliability and performance. Monitoring and Alerting: Establish and maintain monitoring and alerting systems using tools like Prometheus, Grafana, and cloud-native solutions such as CloudWatch and Stackdriver to proactively identify and address database issues. Performance Tuning: Collaborate with senior DBAs and developers to refine queries, indexes, and configurations to enhance performance. Automation and Scripting: Automate repetitive tasks through scripting and contribute to deployment pipelines and database change management processes. Security and Access Management: Implement role-based access controls, maintain audit trails, and enforce best practices for data security and compliance. Documentation and Support: Thoroughly document database configurations, procedures, and incident reports while providing support during incidents and working with engineers to troubleshoot issues.

Rivian Volkswagen Technologies Group is a collaboration between Rivian and Volkswagen, focused on advancing vehicle technology for electric vehicles. The team develops new operating systems, zonal controllers, and cloud connectivity, addressing challenges in software-defined mobility. Their work aims to improve connectivity, artificial intelligence, and security within the automotive sector. Role overview The Software Test & Integration Engineer position is based in Irvine, California. This role involves designing and documenting detailed test cases for battery and energy management systems. Close collaboration with embedded software and systems engineers is central to the work. The engineer will use advanced testing setups and vehicle-level resources to validate system performance. What you will do Create and maintain comprehensive test cases for battery and energy management systems. Work alongside embedded software and systems engineers to ensure thorough validation. Utilize advanced testing setups and vehicle-level resources to assess system functionality. Support the delivery of reliable, high-performing, and safe electrical architecture for electric vehicles. Requirements Experience in software testing and integration, especially within automotive or embedded systems. Ability to document and execute detailed test cases. Familiarity with battery or energy management systems is beneficial. Strong teamwork and communication skills for close collaboration with engineering teams.

Join us as a Back End Engineer and be part of an innovative team dedicated to reshaping the hiring landscape. At Lever, we believe in harnessing technology to streamline the recruitment process and empower companies to find the best talent. As a key player in our engineering department, you will contribute to the development of cutting-edge hiring software used by industry leaders like Netflix and Shopify.Lever has been a trailblazer in talent acquisition since our inception a decade ago. We pride ourselves on fostering a people-first culture that prioritizes the growth and well-being of our team members, affectionately known as “Leveroos.” We are excited to continue our journey of innovation and excellence, and we invite you to be a part of it!