Lead Software Tester

Lead Principal Software Engineer – Flight SystemsLocation: Greater Denver, CO (on-site 3–5 days/week)Salary: $160,000–$195,000 + bonus + benefits + relocationJoin a dynamic and rapidly expanding space-technology company as a Lead Principal Software Engineer, where you will spearhead the architecture and development of advanced ground and flight software for lunar and deep-space missions. This pivotal role will significantly shape the technical trajectory of various mission programs.Key ResponsibilitiesDrive architectural decisions and establish software best practices across the organization.Design and implement flight software (cFS, embedded Linux), ground systems (Python, contemporary web frameworks), and cloud/embedded ML or autonomy systems.Manage the complete software lifecycle: requirements gathering, development, testing, integration, and operations.Prepare technical proposals, provide estimates, and facilitate cross-team coordination.Mentor and elevate junior engineers, fostering a culture of growth and learning.Qualifications15+ years of experience in spacecraft, mission control, or complex aerospace software systems.Proficiency in C/C++ and Python programming languages.Experience with embedded Linux and real-time/flight software; familiarity with NASA cFS is a plus.Strong knowledge of cloud services (AWS), containerization, version control, and Agile methodologies.Excellent collaborative skills to work with multidisciplinary teams and adhere to strict engineering standards.U.S. Citizenship and eligibility for a Security Clearance; must comply with export-control regulations.BenefitsAttractive salary package plus signing bonus.Comprehensive health insurance coverage.401(k) retirement plan with company match.Flexible time-off policies.Quarterly performance incentives.Relocation assistance available.

Join the Engineering leadership team at ServiceTitan, where you will play a pivotal role in steering the technical direction of our innovative products. As a rapidly expanding startup, we offer dynamic opportunities to make a significant impact. Our commitment to quality, utilization of cutting-edge tools on the Microsoft .NET platform, and our vibrant culture foster a collaborative environment where solving complex problems is our passion. Over 50,000 users rely on our software to streamline their daily operations.We seek a visionary Principal Software Engineer to oversee all technical facets of our engineering team. The ideal candidate will be a highly skilled leader with a forward-thinking mindset, responsible for shaping the technical vision of the squad and ensuring its successful execution. You will excel in balancing swift iteration and high product quality while embracing innovation and navigating ambiguity.Key Responsibilities:Own the complete short- and long-term technical vision for your team.Design, implement, and enhance critical systems within the ServiceTitan stack; focus on improving security, availability, reliability, and performance; actively engage in major architectural and strategic decisions related to scaling.Develop tools to enhance the efficiency of our engineers; work towards improving performance, processes, and quality across the engineering team.Identify and exploit opportunities for system development that benefit multiple teams.Mentor and guide engineers throughout the organization.Allocate your time approximately 60% to development and 40% to other responsibilities.Collaborate closely with the Recruiting team; participate in candidate interviews and contribute to lead generation and screening activities.Contribute to the strategic roadmap and resource planning.Establish success metrics and continuously monitor them.Effectively communicate with cross-functional teams, engineers, Product Managers, customers, and partners.

Are you a visionary researcher with a passion for transforming innovative ideas from theory to practice? Do you thrive on tackling the most pressing challenges in distributed systems—ranging from edge AI and cybersecurity to software-defined networking—affecting the world's leading autonomous technologies? If you possess a forward-thinking mindset and desire to contribute at the crossroads of product development and established technology, this opportunity is perfect for you!As a member of our elite research team, ranked among the top 1% nationally in research commercialization success, you will take on the role of Principal Distributed Systems Research Engineer. Here, your impact will extend beyond traditional research; you will be pivotal in maintaining our leadership in advanced software infrastructure, paving the way for innovations in autonomous vehicles, medical robotics, and intelligent power systems. You will engage in groundbreaking research in distributed systems, leveraging a robust, data-centric approach while addressing complex challenges across the entire technology stack, from machine communication to real-world decision-making.

Xometry (NASDAQ: XMTR) drives innovation in today’s and tomorrow’s industries by connecting visionary thinkers with manufacturers capable of transforming their ideas into reality. Our digital marketplace equips manufacturers with essential resources for growth while simplifying access to global manufacturing capacities for Fortune 1000 companies.We are on the lookout for a Principal Software Engineer to spearhead the technical design and engineering of systems that anticipate and address challenges faced by our manufacturing clients. This team’s innovative solutions leverage ML model predictions, part geometry data, and customer insights to accurately forecast manufacturing costs and identify suitable partners for successful part production. Previous experience in manufacturing or machine learning is advantageous but not mandatory.The ideal candidate should possess over 8 years of industry experience, with a minimum of 4 years in a technical leadership role within a dynamic, collaborative environment. This position demands a blend of technical leadership and hands-on involvement. Our teams thrive on collaboration, cross-functionality, and rapid iteration.

At Credera, we are a premier global consulting firm, uniting transformational consulting capabilities with deep industry insight, AI, and technological expertise. Our mission is to deliver remarkable customer experiences and foster accelerated growth across diverse sectors. We are dedicated to evolving our services to align with the needs of future organizations and embody modern best practices. Our distinctive global approach allows us to provide customized solutions that transform some of the world's most influential brands and organizations.Our team, the heart of our organization, is driven by a passion to make a meaningful impact on our clients, colleagues, and communities. This commitment shapes how we allocate our time, resources, and talents. Our dedication to our workforce and work has garnered global recognition. To learn more, please visit our awards page: https://www.credera.com/awards-and-recognition

Company OverviewRed 6 stands at the forefront of Augmented Reality (AR) innovation, pioneering advancements in synthetic air combat training. Our flagship technology, integral to the ATARS product line, allows pilots to engage in realistic, scalable training that simulates the cognitive complexities of flying in dynamic outdoor settings.The RoleAs a Principal Software Engineer at Red 6, you will play a vital role in architecting and delivering state-of-the-art AR training and operational systems for pilots. This hands-on position requires you to tackle complex software development challenges, including working with rendering systems, game engine infrastructure, simulation frameworks, and the integration of hardware and software. Your contributions will directly enhance the capabilities of our military clients by integrating cutting-edge simulation technology with live aircraft.This role encompasses both functional management and active development, where approximately 25% of your time will be dedicated to management responsibilities, while the majority focuses on software development.Key Management ResponsibilitiesLead and mentor a talented team of software engineers specializing in AR/VR training systems.Conduct regular one-on-one meetings, performance reviews, and career development sessions while providing technical mentorship.Engage in coding, technical design reviews, and oversee code quality.Promote best practices in software development, including testing, optimization, and documentation.Collaborate with internal stakeholders, military partners, and cross-functional teams to define technical solutions that meet critical mission requirements.Cultivate a collaborative, innovative, and disciplined engineering culture that aligns with Red 6’s mission.Key Development ResponsibilitiesDesign, develop, and optimize high-performance C++ applications for both general-purpose CPU/GPU environments and embedded System-on-Chip (SoC) platforms.

A new era of space exploration has commenced. True Anomaly is in search of talented individuals with the ambition to pioneer cutting-edge technology that addresses the engineering, manufacturing, and operational challenges of space security and sustainability.OUR MISSIONWe believe that the peaceful utilization of space is vital for ongoing prosperity on Earth, impacting sectors from communications and finance to navigation and logistics. At True Anomaly, we develop innovative technology that merges spacecraft, software, and AI to augment the capabilities of the U.S., its allies, and commercial partners. Our commitment is to enhance global security by ensuring equitable access to space and its sustainability.OUR VALUESBe the offset. We engineer asymmetric advantages through creativity and ingenuity.What would it take? We question assumptions to achieve ambitious outcomes.It’s the people. Our team is our competitive edge, and collaboration makes us stronger.YOUR MISSIONAs the Principal Flight Software Engineer at True Anomaly, you will act as a technical authority across the entire spacecraft software stack, influencing architecture decisions, establishing engineering standards, and spearheading the development of flight software from conception to on-orbit operations. You will tackle significant challenges, steer program-level direction, and elevate the technical standards for your team. If you seek a role where your decisions profoundly impact space, this is your opportunity.

Join Procare Solutions as a Principal Engineer and play a pivotal role in shaping our cutting-edge technology solutions. We are seeking a forward-thinking engineer who is passionate about innovation and excellence. In this role, you will lead engineering projects, mentor junior engineers, and collaborate with cross-functional teams to deliver high-quality software products.

At Fastly, we empower individuals and organizations to stay connected with what matters most. Our cutting-edge edge cloud platform allows customers to rapidly build exceptional digital experiences, ensuring security and reliability by processing, serving, and securing applications close to end-users—right at the edge of the Internet. Our platform leverages the modern internet's capabilities, designed for programmability and agile software development. We proudly serve leading global companies such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to build a more trustworthy Internet.Posting Open Date: Updated March 31, 2026Anticipated Posting Close Date*: April 15, 2026*Job posting may close early due to the volume of applicants. Principal Release Engineer We are on the lookout for a Principal Release Engineer to enhance our Release Engineering team. This role involves setting up, maintaining, and developing ongoing continuous integration and deployment infrastructure. You will be responsible for creating and maintaining fully automated CI build processes across various environments, including our global edge cache fleet, internal applications, and those hosted in AWS and GCP. The ideal candidate is passionate about delivering a seamless release experience for engineers and possesses a profound understanding of their needs, code shipping processes, and what constitutes world-class delivery infrastructure. ResponsibilitiesDesign, develop, and maintain release tooling for building, packaging, signing, managing artifacts, and deploying software.Drive initiatives that enhance engineer productivity and satisfaction by shortening lead times for changes.Collaborate with development and SRE teams to establish policies, standards, guidelines, governance, and best practices for CI/CD operations.Assist developers with build automation, merge resolution, CI, test automation, and deployment aligned with tools usage and standards.Troubleshoot issues along the CI/CD pipeline.Participate in on-call support rotation. What we’re looking for10+ years of relevant platform engineering experience, including designing and operating distributed systems in production.Proven experience in building internal developer platforms that enhance developer productivity.

At Forge, we recognize that our team is our most valuable asset. As pioneers in technology within the private market, our mission is to create a brighter future for all. We embody this vision through our core values of being bold, accountable, and humble. Each day, we witness the impact of our vision, supporting the teams behind the most significant innovations of our time, from space exploration to artificial intelligence and beyond.With our liquidity solutions, exclusive data insights, custody offerings, and a dynamic marketplace, Forge strives to establish a best-in-class technological infrastructure that empowers a transparent, accessible, and seamless global private market for companies, employees, and investors. Through Forge, employees can sell their private shares, employers can reward shareholders with pre-IPO liquidity, and individual and institutional investors can engage in the growth of private unicorns.Forge's unique global marketplace meets the increasing demand from individual and institutional investors seeking exposure to private company stocks, fostering a growing network effect.Our capability to provide these powerful financial solutions has sparked immense interest from investors, driven demand from customers, and created a need to expand our team to meet the needs of more companies, teams, and innovators.

Join Crusoe as a Principal Design Engineer, where you will lead innovative engineering projects and improve our design processes. In this role, you will collaborate with cross-functional teams to create cutting-edge solutions, ensuring the highest quality standards are met. You will have the opportunity to mentor junior engineers and contribute to strategic design decisions that drive our company's success.

Role Overview Forge Global, Inc. is hiring a Senior Software Engineer (Tech Lead) for the Marketplace Middleware Engineering team in Denver, Colorado. This role centers on building and improving the systems that power seamless transactions and integrations across multiple platforms. What You Will Do Lead engineering efforts for marketplace middleware, setting technical direction and guiding implementation. Mentor junior engineers, sharing knowledge and encouraging growth within the team. Collaborate with cross-functional groups to deliver reliable, high-quality software solutions. Apply strong software design and development skills to evolve marketplace technology and maintain high standards for users. Who We’re Looking For Demonstrated experience leading engineering projects and mentoring others. Strong background in software design and development. Comfort working in a collaborative, team-oriented environment.

As a Principal Manufacturing Development Engineer at xcimer, you will be at the forefront of innovation, driving the development of advanced manufacturing processes. You will collaborate with cross-functional teams to design, implement, and optimize manufacturing solutions that enhance production efficiency and product quality. Your expertise will play a crucial role in our commitment to excellence and customer satisfaction.

We are seeking a highly skilled and experienced Lead Senior Staff Software Engineer specializing in front-end fundamentals to join our innovative team at The Trade Desk. In this role, you will lead the development of cutting-edge front-end solutions that enhance user experience and drive our product's success. You will collaborate closely with cross-functional teams, guiding junior engineers and fostering a culture of excellence in software development.

Role Overview Freshworks Inc. is hiring a Lead Solutions Engineer in Denver. This role shapes technical solutions and helps customers get the most out of Freshworks products. The position sits at the intersection of engineering and client engagement, with a focus on both technical leadership and direct customer impact. What You Will Do Work closely with teams across the company to design and deliver solutions tailored to client needs Guide clients through technical features and best practices for Freshworks products Help ensure customers gain real value from the services provided Contribute technical expertise during solution design and implementation phases Collaboration and Impact This role involves frequent collaboration with cross-functional teams and direct interaction with clients. The Lead Solutions Engineer helps bridge technical requirements and business outcomes, supporting both internal teams and external customers.

A new era in space exploration is underway. True Anomaly is looking for talented and ambitious individuals to innovate and develop cutting-edge technology that addresses the engineering, manufacturing, and operational challenges of space security and sustainability.OUR MISSIONThe peaceful utilization of space is crucial for the ongoing prosperity of life on Earth—from communication and finance to navigation and logistics. True Anomaly creates groundbreaking technology at the intersection of spacecraft, software, and artificial intelligence to bolster the capabilities of the U.S., its allies, and commercial partners. We are committed to safeguarding global security by ensuring equitable access to and sustainability of space for all.OUR VALUESBe the Offset. We strive to create asymmetric advantages through creativity and ingenuity.What Would It Take? We challenge the status quo to achieve ambitious results.It’s the People. Our team is our competitive edge, and we believe we are stronger together.YOUR ROLEAs the Principal Spacecraft Simulation Software Engineer, you will play a pivotal role in defining the long-term technical vision and architecture for a simulation platform. This platform will tackle some of the most complex challenges in modern aerospace, ranging from high-fidelity multiphysics modeling of spacecraft and constellations to simulating intricate, dynamic environments that currently lack established guidelines.Your influence will extend well beyond individual features; the platform you develop will underpin mission planning, autonomy development, guidance, navigation, control (GNC) validation, and operational decision-making across a variety of technically innovative scenarios. You will lead the technical direction of the simulation organization, serve as the authoritative resource on simulation methodologies and best practices, and cultivate a robust technical culture within the team.

Location: Denver, Colorado Remote Status: Fully Remote (#LI-Remote) LivePerson (NASDAQ: LPSN) stands at the forefront of trusted enterprise conversational AI and digital transformation. Our award-winning Conversational Cloud platform empowers the world's leading brands to engage with millions of consumers effectively. With nearly a billion conversational interactions every month, we provide rich data analytics and safety tools that harness the power of conversational AI, driving improved business outcomes. Fast Company has recognized LivePerson as the #1 Most Innovative AI Company globally. Position Overview We aim to revolutionize the Conversational AI (CAI) landscape by utilizing and innovating within the latest Generative AI technologies. We are in search of a Principal Engineer, AI Architect to spearhead the design and implementation of cutting-edge Generative AI solutions, reporting directly to the Head of Architecture. In this pivotal role, you will collaborate closely with the innovation team and other senior engineers, playing a key role in shaping the AI vision for LivePerson.

A new era of space exploration is upon us. True Anomaly is on the lookout for talented and ambitious individuals eager to design cutting-edge technology that addresses the engineering, manufacturing, and operational challenges of space security and sustainability.OUR MISSIONThe peaceful utilization of space is vital for the ongoing prosperity of our planet—from communications and finance to navigation and logistics. True Anomaly is committed to developing innovative technology at the nexus of spacecraft, software, and AI to bolster the capabilities of the U.S., its allies, and commercial partners. We are dedicated to safeguarding global security by ensuring sustainable access to space for everyone.OUR VALUESBe the offset. We create asymmetric advantages through creativity and ingenuity.What would it take? We challenge assumptions to achieve ambitious outcomes.It’s the people. Our team is our competitive edge, and we thrive together.YOUR MISSIONWe are in search of a seasoned Principal Compliance Engineer to spearhead the design and implementation of secure, compliant architectures within highly regulated cloud environments. This position demands profound expertise in STIG development, encryption standards, and vulnerability remediation, along with a robust foundation in DevOps and SecOps practices, particularly within the AWS and Azure Government platforms.The ideal candidate will possess a minimum of 10 years of experience in security engineering or technical compliance and will collaborate cross-functionally to align cloud infrastructure and operations with frameworks such as RMF (DoD IL5 and IL6) and CMMC. This is a hands-on technical role focused on enabling and maintaining system authorization through security automation, technical control implementation, and audit readiness.

A new era in space exploration is upon us, and True Anomaly is on the front lines, seeking talented and ambitious individuals to develop cutting-edge technology that tackles the engineering, manufacturing, and operational challenges related to space security and sustainability.OUR MISSIONThe responsible utilization of space is crucial for ongoing global prosperity, impacting everything from communications and finance to navigation and logistics. At True Anomaly, we create transformative technology at the intersection of spacecraft, software, and AI, enhancing the capabilities of the U.S., its allies, and commercial partners. Our commitment is to uphold global security by ensuring equitable access to and sustainability of space.OUR VALUESBe the Offset. We leverage creativity and ingenuity to create asymmetric advantages.What Would It Take? We question assumptions to achieve ambitious outcomes.It’s the People. Our team is our competitive edge; collaboration makes us stronger.YOUR MISSIONTrue Anomaly is in search of an innovative Principal Thermal Engineer to spearhead the development of new spacecraft. In this pivotal role, you will collaborate with a diverse product team to swiftly design and produce groundbreaking space systems.