Senior Software Simulation Engineer

Join Reddit's Quality Engineering team as a Senior Software Engineer specializing in Android Test Engineering. In this role, you'll collaborate with cross-functional teams to create and enhance testing frameworks and tools that uphold the highest quality standards across our development processes. Your contributions will play a vital role in ensuring that all engineering teams at Reddit are equipped with the resources they need to deliver exceptional software experiences to our users.

About UsAt Otter, we are revolutionizing the restaurant experience in the digital age. With a focus on technology, we empower restaurateurs worldwide, from popular chains like Chick-fil-A and KFC to local eateries, by streamlining their online food delivery processes. Our software enhances sales, minimizes order complications, and alleviates delivery-related challenges, allowing our partners to focus on what they do best: serving great food.Role OverviewWe are looking for passionate Android Engineers who thrive in a dynamic, fast-paced environment. You will engage in all aspects of software development, from platform architecture to user-facing applications.Your ResponsibilitiesDesign, develop, and maintain cutting-edge Android applications.Work collaboratively with cross-functional teams, including product managers, backend engineers, and designers, to implement new features.Enhance app performance, responsiveness, and overall quality.Collaborate with backend teams to shape and utilize scalable APIs.Write clean, maintainable, and testable Kotlin code.Participate in code reviews and architecture discussions.Troubleshoot and resolve bugs, crashes, and performance issues.Contribute to the establishment of technical standards within the team.

AnySignal is an innovative startup dedicated to revolutionizing the realm of RF products and services. We cater to the most demanding missions in space and defense, providing a versatile platform that boasts unparalleled performance with ease of deployment, monitoring, purchasing, and upgrading.Our diverse team brings together expertise in cloud computing, artificial intelligence, communications and sensing, embedded systems, and much more. As a Test Software Engineer on the Space team, you will be responsible for leading our test and automation framework, which facilitates the testing of hardware, software, and DSP systems. Collaborating closely with a multidisciplinary team, you will enhance our capacity for rapid and repeatable testing of space and ground segment components, while developing a software framework that supports swift iterations and troubleshooting of system functionalities.

Join Hadrian Automation as a Senior Test Engineer and play a crucial role in the evolution of manufacturing for aerospace and defense. You will be responsible for planning and executing a variety of test activities across mechanical, electrical, and integrated systems throughout the product lifecycle. Your hands-on expertise will support development, qualification, and production efforts, while collaborating with design, manufacturing, quality, and operations teams to ensure robust and reliable systems ready for production. This position emphasizes rigorous testing, contributing to system performance, scalability, and quality.

Who We AreAt Otter, we understand that the landscape of restaurateurs has evolved. To excel in the digital age, a passion for technology is just as crucial as a love for food and people. Our mission is to empower restaurateurs worldwide, from iconic brands like Chick-fil-A and KFC to beloved local establishments, by streamlining their online food delivery processes. Our cutting-edge software minimizes order issues, boosts sales, and alleviates delivery challenges, enabling our partners to thrive.About the RoleWe are looking for experienced Staff Android Engineers who are comfortable navigating ambiguity, thrive in dynamic settings, and are eager to engage with the entire technology stack—from platform architecture to user-facing applications.What You’ll DoLead the technical direction and architecture of intricate Android projects within Otter’s mobile ecosystem.Oversee the end-to-end delivery of impactful features, from initial technical design to launch and ongoing maintenance.Collaborate closely with Product, Design, Backend, and Infrastructure teams to define product strategy and technical roadmaps, particularly for collaborative and cross-platform initiatives.Enhance mobile platform scalability, performance, reliability, and quality, proactively identifying architectural gaps and proposing sustainable solutions.Establish and refine best practices for Android development, including architecture patterns, testing strategies, CI/CD, and observability.Provide technical mentorship and guidance to fellow Android engineers through design and code reviews and informal coaching.Facilitate architecture discussions and make high-impact technical decisions that balance speed, quality, and future scalability.Serve as a technical owner and multiplier, enabling teams, simplifying complexity, and elevating the overall engineering standards.What We’re Looking For10+ years of professional software engineering experience, with substantial expertise in Android development.Expert-level proficiency in Kotlin and the Android ecosystem.Strong experience in designing and evolving Android applications.

About UsAntares is on a visionary journey to revolutionize clean energy accessibility, extending from Earth to the Asteroid Belt. We believe that cutting-edge nuclear energy can bolster military strength, mitigate climate challenges, enhance global living standards, and facilitate humanity's exploration of outer space. Our mission involves the development of safe, mass-producible microreactors designed for terrestrial, underwater, and space applications.Founded in 2023, our team comprises experts from prestigious organizations such as SpaceX, The White House, MIT, and various national laboratories. With over $130 million in venture capital and significant government funding, we are poised to make a significant impact in the energy sector.About the RoleAs a Test Engineer within the Antares Mission Engineering team, you will be responsible for designing and implementing test infrastructure for our R1 microreactor. This role encompasses creating comprehensive test plans that cover everything from concept development to data analysis for critical components and subsystems, including heat rejection, power distribution, thermal management, and mechanical systems.You will contribute to the formulation and documentation of testing best practices, requirements, and workflows that support rapid iterations and high-quality data collection. Collaboration with cross-functional teams will be essential to ensure that prototype, development, and qualification hardware aligns with test plans validating key features and performance metrics. This position also requires you to design, validate, and maintain test setups that ensure precision and accuracy.

Join k2spacecorporation as a Senior EMI/EMC Test Engineer, where you will play a critical role in ensuring the electromagnetic compatibility of our innovative products. You will be responsible for designing and executing rigorous test plans, analyzing results, and collaborating with cross-functional teams to resolve compliance issues.

Observable Space is at the forefront of transforming space operations, providing essential tools for organizations to thrive beyond Earth. Our innovative approach combines advanced telescope design with a suite of integrated hardware and software solutions, enabling continuous, real-time observations of outer space. We cater to various sectors including commercial, scientific, educational, and governmental clients, as well as passionate astronomers eager to explore the cosmos.Supported by leading institutional investors such as Upfront Ventures and Oceans Ventures, we are poised for significant growth and impact in the space industry.Role OverviewAs a Senior Test Engineer specializing in hardware-in-the-loop (HITL) systems, you will play a crucial role in validating the performance and reliability of our cutting-edge products, from robotic telescopes to future space platforms. You will be responsible for designing, constructing, and operating HITL test systems, ensuring our hardware and software systems integrate seamlessly.This hands-on role requires close collaboration with hardware, software, and systems engineering teams, as you develop automated test frameworks, simulate real-world conditions, and troubleshoot complex challenges across multiple domains.

At Amca, we're redefining the future of aviation by developing state-of-the-art aircraft technology for the 21st century. Our mission is to revolutionize the aerospace industry, which has not seen a new airplane design in the past four decades. We believe it's time for change.Position Overview:The aerospace testing landscape is often hindered by outdated methods and equipment, which delays product qualification and stifles innovation. At Amca, we aim to address these challenges head-on by integrating design, manufacturing, testing, and qualification processes within our facilities.As a Senior Test Engineer, you will be pivotal in establishing and managing the Prototype and Qualification Lab. This role entails defining the testing and qualification protocols for our cutting-edge products from the ground up. You will lead functional and environmental testing initiatives, develop test infrastructures, and collaborate closely with our design and manufacturing teams to influence product development from the early stages. This is a highly autonomous, hands-on position ideal for individuals passionate about implementing effective testing methodologies.

As a Test Engineer at Hermeus, you will play a pivotal role in ensuring the safety and reliability of our cutting-edge aerospace technology. You will work alongside a dynamic team of engineers and innovators dedicated to redefining air travel. Your responsibilities will include designing, executing, and analyzing tests, as well as collaborating with cross-functional teams to drive product excellence.

Join Hermeus as a Senior Flight Test Engineer, where you will play a crucial role in the rapid design, development, and testing of high-Mach and hypersonic aircraft. Collaborating closely with the Department of Defense, you will help create advanced aviation technologies that provide our nation and allies with a strategic edge over potential adversaries.

Join Freeform Future Corp as a Senior Embedded Software Engineer! In this role, you'll be at the forefront of developing innovative software solutions for embedded systems. Collaborate with a talented team to design, implement, and optimize software that powers our cutting-edge products. Your expertise will be essential in driving the success of our projects, ensuring high performance and reliability.

Join our dynamic team at Apex Technology Inc. as a Senior Flight Software Engineer, where you will play a pivotal role in developing and optimizing cutting-edge flight software systems. Your expertise will contribute to innovative aerospace solutions that enhance performance and reliability in flight operations.

Renesas Electronics Corporation seeks a Senior Software Development Engineer based in Los Angeles. This position centers on creating software that enables new electronic devices used in automotive, industrial, and consumer applications. Key responsibilities Design and build software solutions for next-generation electronics Collaborate with multidisciplinary engineering teams Apply technical expertise to projects that influence products across several industries This role offers the chance to work on technology that reaches a broad range of markets and end users.

Accordion is hiring a Senior Quality Engineer to help maintain and improve quality across products and services. This position is based in several major cities, including Atlanta, Boston, Charlotte, Chicago, Dallas, Los Angeles, New York, and San Francisco. Role overview This role centers on upholding high quality standards throughout the development process. The Senior Quality Engineer works with teams from different disciplines, contributing expertise in quality assurance and process improvement. What you will do Create and execute detailed test plans to validate product and service quality Work closely with cross-functional groups to identify and document defects Support continuous improvement by sharing insights and recommending process changes Location Positions are available in Atlanta, Boston, Charlotte, Chicago, Dallas, Los Angeles, New York, and San Francisco.

Zoo is building a modern hardware design toolkit aimed at reshaping the mechanical CAD industry. Founded in 2021 and backed by Embedded Ventures, the company operates from Los Angeles, California, with both local and remote team members. The team is focused on delivering advanced infrastructure and tools for hardware creators, addressing gaps in current CAD solutions. Role overview This Senior Frontend Software Engineer role centers on developing and refining Zoo Design Studio, an open-source CAD modeling application. The product uses a DSL-driven approach, combining a traditional CAD UI for code generation and editing with real-time 3D scene streaming from a remote graphics engine. The position involves close work with backend systems, especially integrating UI features that modify DSL code, trigger executions using Rust/Wasm, and interact with the backend through a WebSocket API. What you will do Develop and enhance the frontend of the modeling application, with a strong focus on performance and user experience Work closely with backend developers to ensure features are integrated smoothly Who thrives here Curious individuals who enjoy learning and exploring new approaches People who keep the user experience at the center of their work Engineers comfortable working independently and asynchronously, while also contributing as collaborative team members Requirements Significant experience building high-performance, scalable web applications Deep expertise in frontend performance optimization Ability to contribute to both frontend feature development and integration with backend APIs Learn more about the project: Zoo Design Studio on GitHub.

Veeva Systems is a purpose-driven company at the forefront of industry cloud solutions, dedicated to accelerating the delivery of therapies to patients by empowering life sciences organizations. As one of the fastest-growing SaaS companies in history, we exceeded $2 billion in revenue in our previous fiscal year, with significant growth opportunities on the horizon.Our core values at Veeva include: Do the Right Thing, Customer Success, Employee Success, and Speed. We are distinct in the market as we became a public benefit corporation (PBC) in 2021, which commits us to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere company, we promote flexibility, allowing you to work from home or the office, enabling you to thrive in an environment that suits you best.Become a part of our mission to transform the life sciences industry and make a meaningful impact on our customers, employees, and the communities we serve.

K2 Space Corporation is at the forefront of space innovation, creating the largest and most powerful satellites ever launched. With significant backing of $450 million from prominent investors like Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, and Alpine Space Ventures, alongside an additional $500 million in secured contracts with both commercial and U.S. government clients, we are revolutionizing satellite technology for missions spanning from Low Earth Orbit (LEO) to deep space.As the space industry transitions towards heavy-lift launch vehicles, we are embracing an era of mass abundance, developing a new class of spacecraft designed to withstand extreme radiation and leverage the capabilities of today's advanced rockets. Our satellites offer unparalleled performance at constellation scale across various orbits.With numerous launches scheduled through 2026 and 2027, we are committed to Building Bigger as we aim to advance the exploration of our solar system and evolve into a Kardashev Type II (K2) civilization. If you are a driven individual who flourishes in a dynamic environment and are eager to be part of a pioneering Series C space startup, we encourage you to apply.

Hermeus is hiring a Flight Software Verification and Validation Engineer for the Test & Infrastructure team. The position is open in Atlanta, GA or Los Angeles, CA. The primary focus is to help ensure autonomous aircraft software meets reliability and safety standards before flight. Key Responsibilities Create, improve, and maintain simulation and testing frameworks that support flight software development. Assist with system checks, safety compliance efforts, and certification processes. Validate flight software using integrated environments such as Software-in-the-Loop (SITL), Hardware-in-the-Loop (HITL), and actual aircraft systems. Assess software performance in both standard and unexpected operating scenarios. Work Location This role is available in either Atlanta, GA or Los Angeles, CA.