Senior Software Engineer - Join Our Innovative Team

About the Role As a Senior Software Engineer specializing in Product Security, you will engage in the hands-on design and implementation of security-focused software solutions. Your primary objective will be to integrate security into our development processes from the outset. This includes the incorporation of automated controls like Software Bill of Materials (SBOM) and vulnerability scanning within our CI/CD pipelines. You will also be responsible for maintaining and enhancing our internal libraries and infrastructure related to authentication, authorization, and logging, while aiding in the deployment of monitoring tools for operational services. Additionally, you will work closely with the Principal Security Engineer and various teams to align our systems with NIST 800-171/CMMC requirements. In this impact-driven environment, you will prioritize the delivery of secure code and architecture, with minimal bureaucracy. You may occasionally participate in security discussions with government entities under the guidance of the Principal Security Engineer. Approximately 80-90% of your work will be hands-on, with the remaining time dedicated to collaboration and learning.

About the Role As a Software Engineer focused on Product Security at Spire, you will engage in the hands-on design and implementation of security software aimed at integrating security measures early in our development lifecycle. Your responsibilities will include embedding automated controls like Software Bill of Materials (SBOM) and vulnerability scanning within CI/CD pipelines, maintaining and enhancing our internal libraries and infrastructure for authentication, authorization, and logging, and assisting with operational monitoring tools. You will also play a key role in aligning systems with NIST 800-171/CMMC standards, closely collaborating with the Principal Security Engineer, AWS infrastructure team, development tooling team, chief software engineer, and cybersecurity/GRC group. In this lean and impact-driven environment, you will prioritize the delivery of secure code and architecture while minimizing bureaucratic hurdles, allowing you to focus on what truly matters. You may occasionally engage in security discussions with government entities under the guidance of the Principal Security Engineer. Your work will be approximately 80-90% hands-on, with the remaining time dedicated to collaboration and learning.

At Spire, we are enhancing our approach to security engineering on a robust foundation, featuring a standardized AWS developer platform, a well-established toolchain for satellite software, ISO 27001 certification, and ongoing collaborations with government customers worldwide. In our pursuit of achieving CMMC Level 2+ compliance for Controlled Unclassified Information (CUI) handling in a defense-relevant environment, we are looking for a seasoned technical lead to direct our product security strategy and implementation.Your primary role will be to 'shift security left' and weave it throughout our development processes. This includes embedding automated controls such as Software Bill of Materials (SBOM), vulnerability scanning, and secure CI/CD pipelines. You will also maintain standard libraries and infrastructure for authentication, authorization, and logging. Additionally, you will develop monitoring tools for operational services and assist teams in aligning their systems with NIST 800-171/CMMC and other security objectives whenever control inheritance is insufficient.This is a senior, hands-on individual contributor role with leadership responsibilities where you will code, configure, and debug while mentoring a small team of security engineers. As the technical leader of our Product Security Team, you will collaborate closely with our Chief Software Engineer to ensure alignment with security objectives and the software roadmap, our AWS infrastructure team for cloud hardening, our development tooling team for satellite software security, and the cybersecurity/governance, risk management, and compliance (GRC) group. We maintain a lean setup where bureaucracy is managed primarily by GRC and TPM teams, allowing you to focus on impactful coding and architecture improvements based on our existing strengths.In this role, you may also participate in discussions with peers at governmental entities and other organizations regarding security-related matters.

Join CampMinder as a Senior Software Engineer focusing on our core product offerings. We are looking for a talented individual who is passionate about software development and is eager to tackle challenging problems. In this role, you will work closely with a dynamic team of engineers to build innovative solutions that impact our users positively.

Join SciTec, a leading subsidiary of Firefly Aerospace, dedicated to delivering cutting-edge technologies that bolster U.S. National Security and Defense. With over 45 years of experience, we support the Department of Defense by developing innovative algorithms and tools for advanced data exploitation in missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All candidates must be U.S. citizens due to the nature of our government contracts. Applications from non-eligible candidates will not be considered.We are looking for a skilled Senior Software Platform Engineer to play a pivotal role in our team, contributing to the development of Next-Generation Missile Warning software. This is an exceptional chance to work with a small, agile company, providing essential capabilities for national defense. You will be part of a fast-paced team responsible for the end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data related to Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.As a key technical contributor on our Platform as a Service (PaaS) team, you will focus on application integration at a customer site. Your primary responsibilities will include building, operating, and refining platform capabilities that empower development teams to reliably deploy, operate, and scale applications in containerized environments.

SciTec, Inc. is an innovative small business that has secured multiple government contracts, contributing to national security and defense through state-of-the-art sensor data processing technologies and scientific instrumentation. Our team is dedicated to developing cutting-edge tools for the Department of Defense and U.S. Government, delivering unparalleled data exploitation capabilities.Important Notice: All employees at SciTec must be U.S. citizens, as we exclusively work on government contracts that require U.S. citizenship. We cannot sponsor any work visas, and U.S. citizenship is essential for obtaining and maintaining a security clearance. Consequently, applications from candidates who do not meet this requirement will not be considered.We are currently seeking a skilled Senior Systems Engineer to join our dynamic team and support the development of Next-Generation Missile Warning software. This role offers a unique chance to be part of a small business that plays a vital role in national defense. You will collaborate within a fast-paced environment, focusing on end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for critical areas such as Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. The ideal candidate will excel in solving complex engineering challenges in support of our national security objectives.

As a Senior Software Engineer specializing in Modernization at CampMinder, you will play a pivotal role in transforming our software solutions to meet the evolving needs of our clients. Your expertise will help us enhance the performance, scalability, and user experience of our applications. This position offers the flexibility of working from our Boulder office or remotely, allowing you to contribute to impactful projects from anywhere.

Your Impact:We are in search of skilled offensive security experts to spearhead security assessments, conduct red team operations, and execute network exploitation initiatives tailored to meet our clients' security needs.Your Responsibilities:Conduct offensive cyber operations to evaluate client networks and pinpoint vulnerabilities.Analyze computer networks and systems to uncover and assess security gaps.Perform in-depth analysis of malware and security tools to assess their capabilities.Deliver detailed written and verbal briefings on assessment outcomes to clients and management.Provide training and mentorship to junior operators on tools, techniques, and industry best practices.Design and develop scripts and tools to enhance operational efficiency.

SciTec, a proud subsidiary of Firefly Aerospace, stands at the forefront of innovative defense solutions, dedicated to enhancing U.S. National Security and Defense. Over the past four decades, we have collaborated with the Department of Defense to pioneer cutting-edge remote sensing algorithms, tools, and techniques, delivering exceptional data exploitation capabilities for vital missions, including missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All applicants must possess U.S. citizenship as SciTec exclusively handles U.S. government contracts. We cannot provide visa sponsorship for work permits of any kind. U.S. citizenship is necessary to obtain and retain a security clearance. Applications from individuals who do not meet this criterion will not be considered.We are seeking a highly skilled Senior Software Engineering Manager to lead the development and delivery of critical software solutions for national defense initiatives. This pivotal role merges extensive technical knowledge with proactive leadership, ensuring the delivery of secure and resilient software that performs under pressure. The Software Engineering Manager will facilitate the team's efforts to produce high-quality capabilities that align with program objectives and operational demands. If you are driven by the desire to create impactful solutions, SciTec is the ideal environment for your talents.

Join Our Team as a Senior Spacecraft Software Engineer (GNSS)At Spire, we are at the forefront of innovation in satellite technology, and we are seeking a talented Spacecraft Software Engineer to enhance our GNSS missions. You will be instrumental in developing and maintaining both flight and ground software, ensuring the seamless operation of our satellite payloads. Your expertise will span multiple system layers, from embedded software to cloud data pipelines, guaranteeing the precise and timely delivery of vital scientific data to our clients.This role is designed for individuals who thrive in an environment that values autonomy, creativity, and a broad technical skill set.

Join SciTec, a leading non-traditional defense contractor dedicated to advancing U.S. National Security and Defense. With over 45 years of experience, we have consistently supported the Department of Defense by developing cutting-edge remote sensing algorithms, tools, and techniques that enhance missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All SciTec employees must be U.S. citizens due to our exclusive focus on U.S. government contracts. Applications from non-citizens will not be considered.We are currently seeking a skilled engineer to join our team and contribute to the development of Next-Generation Missile Warning software. This role offers a unique chance to work within a small, agile team that plays a critical role in national defense. You will be responsible for processing Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.As a Staff or Senior Staff Rust Software Engineer, you will design, implement, and enhance high-performance software systems in a secure and mission-driven environment. This position is ideal for an experienced engineer who excels in independent work on complex technical challenges, contributes to system architecture and design, and collaborates effectively with cross-functional teams.

SciTec, a subsidiary of Firefly Aerospace, develops technologies for U.S. National Security and Defense. With over forty years in the field, the team specializes in remote sensing algorithms and data exploitation, supporting areas such as missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability. Important Notice: Only U.S. citizens may apply, as required by government contracts. Applications from non-citizens cannot be considered. Role overview This Staff or Senior Staff Rust Software Engineer position is based in Boulder, Colorado. The role centers on building Next-Generation Missile Warning software, processing Overhead Persistent InfraRed (OPIR) sensor data to support missions including Missile Warning, Missile Defense, and Battlespace Awareness. What you will do Design, build, and enhance high-performance software systems using Rust Work in a secure environment focused on national defense Collaborate with a multidisciplinary team to address technical challenges Contribute to architectural decisions for mission-critical software Process and analyze OPIR sensor data for various defense applications Requirements Experience with Rust and high-performance systems Ability to work independently and solve complex technical problems Strong collaboration and communication skills across teams Commitment to supporting national security missions

Join SciTec, a forward-thinking subsidiary of Firefly Aerospace, where we innovate at the intersection of technology and defense. For over 45 years, we have been at the forefront of supporting U.S. National Security and Defense through cutting-edge remote sensing technologies and advanced algorithms. We develop solutions that empower missile defense, intelligence, surveillance, reconnaissance, and more.Important Notice: All positions at SciTec require U.S. citizenship as we exclusively work on government contracts. We are unable to sponsor work visas, and U.S. citizenship is necessary to obtain a security clearance. Applications from non-citizens will not be considered.We are currently looking for a Senior Front End Software Engineer who is passionate about crafting user-centric web applications. This role focuses on delivering complex, real-time data in an accessible and intuitive manner, ensuring high performance and usability in mission-critical systems.The ideal candidate is an experienced frontend engineer committed to code quality, user experience, and system reliability. You will collaborate closely with backend, platform, and systems engineers to achieve our goals effectively.

About Speechify Speechify builds text-to-speech tools that help people read and learn without barriers. More than 50 million users rely on Speechify to turn PDFs, books, Google Docs, news articles, and websites into audio. The platform helps users read faster, remember more, and access content in new ways. Products include apps for iOS, Android, and Mac, a Chrome extension, and a web app. Recent recognition includes Chrome Extension of the Year by Google and the 2025 Design Award for Inclusivity from Apple. Our Team Speechify has a distributed team of nearly 200 professionals working remotely from around the world. The engineering and research group includes alumni of Amazon, Microsoft, and Google, as well as academic experts from Stanford and startup veterans from Stripe, Vercel, and Bolt. Many team members have also founded their own companies.

SciTec, a dynamic leader in non-traditional defense contracting and a proud subsidiary of Firefly Aerospace, brings over four decades of experience in delivering cutting-edge technologies that bolster U.S. National Security and Defense. Our commitment to innovation has led us to develop advanced remote sensing algorithms, tools, and techniques that enable exceptional data exploitation capabilities essential for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: Please note that all SciTec employees must possess U.S. citizenship as we exclusively engage in U.S. government contracts. Unfortunately, we cannot sponsor or assume sponsorship of work visas of any type, and U.S. citizenship is a prerequisite for obtaining and maintaining a security clearance. Candidates who do not meet this requirement will not be considered.We are currently looking for a highly skilled Senior Python Software Engineer to join our team. In this role, you will be responsible for designing, developing, and sustaining high-quality software systems that enhance advanced analysis and data processing workflows. Your focus will be on distributed systems, microservices, and real-time data pipelines, collaborating closely with scientific and technical users in a mission-driven environment.The ideal candidate will be a strong individual contributor with extensive Python expertise, solid software engineering judgment, and the ability to collaborate across disciplines while providing mentorship and influencing technical direction.

Join SciTec, a pioneering force in advanced technology and defense solutions, where we are dedicated to supporting U.S. National Security and Defense. As a proud subsidiary of Firefly Aerospace, we have a rich legacy of over 45 years in delivering innovative remote sensing algorithms, tools, and techniques that enhance data exploitation capabilities for our Department of Defense clients.Important Notice: Please be aware that all positions at SciTec require U.S. citizenship due to the nature of our government contracts. We cannot provide visa sponsorship for employment. Additionally, U.S. citizenship is necessary to obtain and maintain a security clearance. Applicants who do not meet these criteria will not be considered.We are currently seeking a skilled software test engineer to play a vital role in our team, contributing to the development of Next-Generation Missile Warning software. This is a remarkable chance to be part of a compact yet dynamic business that delivers essential capabilities for national defense. You will collaborate with a fast-paced team, engaging in end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data, which is critical for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence initiatives. This position is based on-site in Boulder, CO.Responsibilities:Decomposing functional requirements to align with system and domain-level needsCreating comprehensive test plans and casesExecuting tests across multiple environments and supporting test executionDeveloping automated testing suitesParticipating in reviews of test engineering artifactsConducting performance analyses, risk assessments, and trade studiesMaintaining test documentation following management protocolsCompleting tasks to meet program schedule milestonesAdditional responsibilities as assignedQualifications:Bachelor's degree in physical sciences, mathematics, engineering, or computer scienceA minimum of 3 years of experience in software test engineering rolesAt least 1 year of experience in software development or test automation, preferably using PythonStrong team collaboration skillsExcellent verbal and written communication abilitiesMeticulous attention to detailAbility to obtain and maintain a DoD security clearancePreferred Qualifications:Experience testing Overhead Persistent InfraRed (OPIR) processing systemsFamiliarity with formal requirements verification for government programsExperience with Model-Based Systems Engineering (MBSE)An active DoD security clearance*Resumes, Cover Letters, and Applications generated by AI will not be considered for employment.

Join our dynamic team at Otter LLC as a Senior Software Engineer. In this key role, you will leverage your extensive expertise in software development to lead innovative projects, mentor junior engineers, and drive technological advancements. Your contributions will be vital in enhancing our software solutions and ensuring they meet the highest standards of quality and performance.We are looking for a passionate individual who thrives in a collaborative environment and is eager to tackle complex challenges. If you are ready to take the next step in your career and make a significant impact, we want to hear from you!

Location: Boulder, CO · Remote with required travelAs a Senior Software Verification and Validation Engineer at Foresight Diagnostics, part of Natera, you will play a crucial role in ensuring that every software component interacting with MRD results is rigorously verified and validated. We seek an expert who possesses a deep understanding of bioinformatics pipelines coupled with the regulatory knowledge to uphold the integrity of test cases, protocols, and traceability matrices.ABOUT FORESIGHT DIAGNOSTICSForesight Diagnostics is at the forefront of molecular diagnostics, specializing in non-invasive cancer detection through advanced cell-free DNA liquid biopsy technologies. Our innovative methods, initially developed at Stanford University, are designed to identify smaller tumors at earlier stages, enabling tailored treatment plans for cancer patients.Positioned at the convergence of molecular biology, bioinformatics, and next-generation sequencing (NGS), we transform rigorous scientific research into solutions that have a real clinical impact. Following our acquisition by Natera, we combine the agility of a startup with the extensive resources of a leader in cell-free DNA testing, making this an exhilarating time to join our mission-driven team.ROLE PURPOSEOur diverse software portfolio includes bioinformatics pipelines, reagent quality control systems, liquid handling automation, LIMS/LIS integrations, and NGS analysis tools. Each component is subject to stringent regulatory requirements under IEC 62304 and ISO 13485, necessitating a meticulous approach to verification and validation that meets clinical diagnostics standards.This senior individual contributor role requires you to establish the V&V strategy for device software, oversee the scheduling and prioritization of testing endeavors, and act as the quality and engineering liaison among bioinformatics, software, and laboratory teams. A solid background in bioinformatics or computational biology is essential, as this position does not allow for on-the-job learning of the domain.

Join our dynamic team at The Trade Desk as a Senior Software Engineer specializing in Observability and Incident Response Management (IRM). In this role, you will be instrumental in developing and enhancing our observability solutions, ensuring seamless incident management processes. Your expertise will contribute to building robust systems that provide insights and drive operational excellence.We are looking for an innovative engineer who thrives in a fast-paced environment and is passionate about creating high-quality software solutions. You will collaborate with cross-functional teams, utilizing cutting-edge technologies to improve our monitoring systems and streamline incident response.