Senior Numerical Algorithm Software Engineer

At SciTec, a proud subsidiary of Firefly Aerospace, we are at the forefront of innovation as a 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 the Department of Defense to craft pioneering remote sensing algorithms, advanced tools, …

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 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 Speechify as a Senior Software Engineer specializing in Core Experiences, where you'll play a pivotal role in enhancing our user interface and overall user experience. In this exciting position, you will collaborate with cross-functional teams to design, develop, and maintain innovative software solutions that engage our users and help them maximize their productivity.We seek a proactive engineer who is passionate about technology and eager to contribute to an agile environment. If you're ready to drive impactful projects and bring your expertise to a dynamic team, we want to hear from you!

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.

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.

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.

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.

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.

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.

Location: Onsite in Boulder, CO. This position requires working at the Boulder office; remote or hybrid work is not available. Candidates should already be local or plan to relocate before starting. Role overview Foresight Diagnostics seeks a Senior Full Stack Software Engineer with strong Python skills and frontend experience in React. The role centers on designing, developing, and maintaining software that supports research, product development, and clinical testing. Experience with relational databases, especially PostgreSQL, is preferred. Familiarity with next-generation sequencing (NGS) laboratory workflows and data management is a plus. What you will do Design and build full-stack applications using React for the frontend and Python for the backend, with an emphasis on relational database storage. Work closely with scientists, lab staff, and business stakeholders to turn complex requirements into practical, production-ready software. Contribute to architectural decisions, participate in system design reviews, and join sprint planning sessions as part of a collaborative software development team. Maintain high standards for software quality and performance. Requirements Expertise in Python development. Frontend proficiency with React. Experience working with relational databases; PostgreSQL preferred. Ability to work onsite in Boulder, CO. Understanding of NGS laboratory workflows and data management is advantageous.

The Trade Desk is looking for a Senior Full Stack Software Engineer to join the Omnichannel division. This position centers on designing and building software that enhances user experiences across a range of platforms. Projects involve both web applications and integrated advertising technology. Key responsibilities Collaborate with engineering, product, and design teams to deliver applications for the omnichannel platform Develop and maintain software that integrates with The Trade Desk’s advertising technology stack Work on both front-end and back-end systems to support seamless user interactions Locations This role is open in Bellevue, Boston, Boulder, Chicago, Denver, Irvine, Los Angeles, New York, San Francisco, San Jose, Seattle, and Ventura.

Join our innovative team at Spire as the Director of Software Engineering. In this pivotal role, you will lead our software engineering division, driving the strategy and execution of our development projects. Your leadership will guide a talented team of engineers, fostering an environment of creativity and collaboration while ensuring the delivery of high-quality software solutions.As a leader, you will be responsible for overseeing the software development lifecycle, implementing best practices, and ensuring alignment with our business goals. You will work closely with cross-functional teams to define project requirements and deliver exceptional products to our customers.

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 proud subsidiary of Firefly Aerospace, where we are at the forefront of delivering cutting-edge technologies for U.S. National Security and Defense. With over 45 years of experience, we specialize in developing innovative remote sensing algorithms and tools that empower the U.S. Department of Defense with world-class data exploitation capabilities across various missions including missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability.Important Notice: All applicants must be U.S. citizens due to the nature of our government contracts. We are unable to consider applicants who do not meet this requirement.We are currently seeking a talented Senior C++ Software Engineer to join our specialized team in developing Next-Generation Missile Warning software. This is an exceptional opportunity to contribute to vital national defense programs in a dynamic small business environment. You will engage with a fast-paced team dedicated to delivering end-to-end software processing for Overhead Persistent InfraRed (OPIR) sensor data, crucial for missile warning, missile defense, battlespace awareness, and technical intelligence.Your role will involve designing, implementing, and optimizing high-performance software for remote sensor data exploitation and analysis, focusing on hands-on algorithm development within a large, production C++ codebase operating on Linux systems.