Senior Full Stack Software Engineer

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.

SciTec, a subsidiary of Firefly Aerospace, stands at the forefront of innovation as a non-traditional defense contractor. With over 45 years of experience, we provide cutting-edge technologies to bolster U.S. National Security and Defense. Our commitment to excellence has empowered the Department of Defense with state-of-the-art remote sensing algorithms, advanced tools, and techniques that enhance data exploitation for critical missions including missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.We are excited to announce an immediate opening for a highly skilled Senior Program Development Manager (PDM) who possesses a strong technical background and a proven history of driving business growth. This pivotal role will focus on aligning business development and program initiatives with our strategic goals. This in-office position is located in Boulder, Colorado, and reports directly to the Executive Director of Program Development. The PDM will play a crucial role in identifying, tracking, and capturing new business opportunities within designated Strategic Campaigns, as well as leading proposal efforts.Key Responsibilities:Develop and sustain a robust pipeline of program opportunities within assigned Strategic Campaigns, contributing to the overall corporate strategy.Guide opportunities through a milestone-based process, culminating in either proposal development or a no-bid decision.Serve as Proposal Manager for assigned proposals, coordinating with technical teams to develop compelling proposal content, including technical solutions, win themes, features, benefits, proof points, and visuals.Establish and manage proposal schedules and budgets, ensuring prompt delivery of all necessary content.Create teaming strategies and formulate teaming agreements and subcontract RFPs.Produce marketing materials that effectively communicate SciTec’s capabilities and solutions to clients and industry partners.Provide updates to corporate and portfolio leadership regarding the status and advancements of the new business pipeline and initiatives.Support pre-award activities, including customer inquiries, BAFO responses, and engagement with teammates.

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.

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.

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 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 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.

SciTec, Inc., a proud subsidiary of Firefly Aerospace, is a leading non-traditional defense contractor dedicated to providing cutting-edge technologies that bolster U.S. National Security and Defense. For over 45 years, we have partnered with Department of Defense clients to create innovative remote sensing algorithms, tools, and methodologies that enhance data exploitation capabilities across missile defense, intelligence, surveillance and reconnaissance, space domain awareness, and aircraft survivability missions.We are excited to announce a new opening for a Program Development Manager (PDM) who possesses a robust technical background and a knack for business development. This position, based at our Boulder, Colorado office, requires an on-site presence. As a PDM, you will work closely with our Executive Director of Program Development to align business growth with our strategic initiatives. Your primary responsibilities will include identifying, tracking, and pursuing new business opportunities within designated Strategic Campaigns, leading proposals, and functioning both independently and as part of a team in high-pressure situations.

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.

SciTec, a subsidiary of Firefly Aerospace, stands as a pioneering non-traditional defense contractor, specializing in delivering cutting-edge technologies that bolster U.S. National Security and Defense. With over 45 years of dedicated service to the Department of Defense, we excel in developing innovative remote sensing algorithms, tools, and techniques that provide top-tier data exploitation capabilities for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: SciTec exclusively engages in U.S. government contracts that mandate U.S. citizenship for all employees. Applicants who do not meet this criterion will not be considered.We have an exciting opportunity for a Senior Application Security Architect in our Boulder, CO office. The ideal candidate will possess a robust understanding of the Software Development Lifecycle (SDLC) and Risk Management Framework (RMF). This role is crucial in supporting our Application Security (AppSec) team to ensure that the software systems developed by SciTec comply with Federal information system mandates while meeting customer expectations. The candidate will work closely with customer Cybersecurity stakeholders and SciTec software development teams. We seek individuals with excellent technical communication abilities and a strong background in secure software development practices.Responsibilities:Formulate software requirements and provide implementation guidance based on the analysis of NIST 800-53 and other relevant security controls.Collaborate closely with customer Cybersecurity experts to guarantee that SciTec software aligns with their security needs.Document and generate evidence illustrating how SciTec software systems satisfy NIST 800-53 and other security controls. Develop and manage Plans of Action and Milestones (POAMs) to address any identified gaps.Evaluate outcomes and identify corrective actions following security assessments and penetration testing.Assist SciTec development teams in designing system architectures that fulfill established Cybersecurity requirements and customer specifications.Mentor staff and contribute to process improvements within the SciTec AppSec and software engineering teams.Perform additional duties as assigned.

About Suite Studios:At Suite Studios, we are a dynamic team dedicated to crafting innovative tools that fuel some of the most exciting creative projects in the world—from Kendrick Lamar’s chart-topping hits to spectacular Super Bowl halftime shows and immersive experiences at the Sphere.Our platform simplifies the process for creative teams to manage, edit, and share extensive media files effortlessly, ensuring seamless collaboration regardless of location. Say goodbye to lengthy downloads and sync complications, and hello to a streamlined workflow that allows artists to stay focused and in the zone.If you are eager to contribute to fast-paced projects with a talented team, we would love for you to join us!

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.

About Atom Computing Atom Computing builds quantum computers using arrays of optically trapped neutral atoms. The team brings together scientists, engineers, and business professionals focused on advancing quantum technology and expanding what’s possible with computation. Role Overview The Senior Software Engineer - Control Systems will design and develop high-performance control systems for Atom Computing’s next-generation quantum computing platforms. This role involves hands-on work with embedded software, real-time systems, GPU and FPGA acceleration, and hardware orchestration. The goal: create deterministic, high-throughput control pipelines that shape the operational and scaling characteristics of quantum processors. What You Will Do Architect and implement control systems for quantum hardware Work across embedded software and real-time systems Integrate GPU and FPGA acceleration into control pipelines Collaborate closely with theory, software, and hardware teams Influence the performance and scalability of quantum processors Who Thrives Here This position suits engineers who enjoy deep systems work, hardware/software co-design, and performance optimization at the intersection of physics and architecture. Location and On-Site Requirements This role is based in Boulder, CO. On-site presence is required at least three days per week to support collaboration with colleagues across theory, software, and hardware teams. Austin, TX is also an option for on-site work.

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.

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.

SciTec, a subsidiary of Firefly Aerospace, brings over 45 years of experience developing technologies for U.S. National Security and Defense. The company focuses on remote sensing algorithms and tools that enable data exploitation for missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability. Role overview The Senior Python Software Engineer will design, build, and maintain software systems that support advanced analysis and real-time data processing. The position emphasizes work on distributed systems, microservices, and streaming data pipelines, key elements for mission-critical operations with the Missile Defense Agency. Projects include automating and orchestrating satellite mission management and missile-tracking workflows. Key responsibilities Lead the design and development of Python software systems Build and maintain distributed systems, microservices, and streaming data pipelines Drive automation and orchestration for satellite mission management and missile-tracking workflows Shape technical direction through architectural leadership and mentorship Take ownership of an evolving software product Collaborate with scientific and technical teams Requirements Extensive experience with Python Strong engineering judgment and ability to work independently Background in distributed systems, microservices, or streaming data pipelines Ability to mentor others and provide architectural guidance Collaborative approach across disciplines U.S. citizenship required (due to government contract work and security clearance requirements) Must be able to obtain and maintain a security clearance No visa sponsorship available Location This position is based in Boulder, Colorado, United States.

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.