Senior Software Engineer

Speechify is hiring a Senior Software Engineer to focus on Windows and desktop applications at its Arlington, VA office. This role centers on building technology that supports accessibility and user experience. Role overview This position involves designing, developing, and maintaining software for Windows and desktop platforms. The work emphasizes reliability, maintainability, and usability. What you will do Design, build, and support Windows and desktop software Collaborate with engineering, product, and design teams to deliver accessible, user-friendly applications Apply established software engineering principles to ensure solutions are reliable and easy to maintain About Speechify Speechify creates tools that make technology more accessible and improve user experience. The team values collaboration and a commitment to high-quality engineering.

M9 Solutions is committed to delivering exceptional IT services and solutions to the Federal Government. We mobilize the right talent, skills, clearance levels, and technologies to assist organizations in achieving enhanced performance and sustainable change. With a proven track record of providing quality IT services to over 30 Federal Agencies and numerous commercial clients nationwide, our expertise includes digital transformation, software development, cloud migration, cybersecurity, data analytics, and IT talent solutions.M9 Solutions is actively seeking an experienced Windows CNO Developer to join our team on-site in support of a government contract in Arlington, VA. An active TS/SCI clearance is mandatory for this role.Key Responsibilities:Research, identify, and analyze Windows kernel vulnerabilities, including privilege escalation, sandbox escapes, and persistence mechanisms.Design, develop, and maintain CNO/CNE tools targeting Windows platforms (both kernel and user mode) from proof-of-concept to operational-grade capabilities.Conduct advanced reverse engineering of Windows binaries, drivers, and system components to assess behavior, exploitability, and mitigation strategies using tools such as IDA Pro, Ghidra, and WinDbg.Create kernel-mode and user-mode code in C/C++ and Assembly to implement implants, loaders, and exploit chains, focusing on reliability and stealth.Develop and test exploitation techniques for complex Windows targets, including modern protection bypasses (ASLR, DEP, CFG, kernel mitigations) in collaboration with cyber research teams.Integrate CNO capabilities into mission frameworks and tasking/dataflow pipelines, ensuring configuration, logging, and secure communications.Execute debugging and troubleshooting of low-level software in lab and operational-like environments, including crash triage and performance analysis.Work closely with analysts, operators, and other engineers to ensure capabilities align with mission requirements, providing technical guidance on feasibility and trade-offs.Produce comprehensive technical documentation (designs, CONOPs, usage guides) and contribute to secure coding standards and internal best practices.

Join Our Dynamic Team:At Systems Technology Research (STR), our Analytics Division is at the forefront of developing cutting-edge technologies to tackle complex national security challenges through innovative analytics. We are a diverse team of dedicated professionals with backgrounds in engineering, computer science, mathematics, physics, and data science, committed to transforming creative concepts into robust solutions that enhance our clients' mission success.As part of our Collaborative Autonomy and Control (CAC) Group, you will play a pivotal role in developing software systems that address significant challenges in uncrewed system autonomy, multi-agent collaboration, resource management, and control. Utilizing your expertise in machine learning, algorithms, model-predictive control, and software engineering, you will create tools that facilitate tactical mission planning, autonomous reasoning, and more.Your Role:In your capacity as a Senior Software Engineer, you will collaborate with a cohesive team to design, develop, implement, and showcase advanced algorithms and software systems. You will provide technical leadership and mentorship across various programs throughout the software lifecycle, from initial prototypes to fully integrated systems. Your contributions will span a wide array of software tools and applications for mission planning systems, automated enterprise control processes, unmanned platforms, DevSecOps, and CI/CD pipelines. This position is based in Arlington, VA, but our flexible hybrid work model allows you to work remotely when not utilizing STR's facilities.

Join STR's Systems Development Division (SDD) as a Senior Software Engineer, where you'll play a pivotal role in devising sophisticated integrated systems that enhance national security. Your expertise in developing and testing C++ software for complex embedded radar systems, particularly in Air-to-Air applications, will be instrumental in driving strategic advancements. Collaborate on the entire solution lifecycle—conceptualization, architecture, implementation, and deployment—while leveraging innovative technologies to create unique systems that redefine capabilities in airborne and space RF sensors.

Join usm2 as a Windows System Administrator, where you will play a crucial role in managing and maintaining our Windows-based systems. You will ensure the reliability, security, and performance of our IT infrastructure while providing support to our users. If you are passionate about technology and thrive in a dynamic environment, this is the perfect opportunity for you!

Join Twosix Technologies as a Senior Software Reverse Engineer and take on the exciting challenge of analyzing complex software systems. You will be responsible for dissecting software applications, understanding their architecture, and providing insights that can enhance security and functionality.In this role, you will leverage your expertise in reverse engineering to assist in vulnerability assessments, malware analysis, and the development of security solutions. Collaborate with cross-functional teams to design and implement robust software strategies that address real-world challenges.

Join Systems Technology Research (STR) as a Senior Software Engineer, where you will be an integral part of our dynamic cyber and networking team. We are dedicated to pioneering advanced technologies that significantly bolster our national security. Our team is at the forefront of innovation, enhancing communications technology across all networking layers, from the physical to the application layer. We appreciate diverse skills and perspectives, which are essential in delivering cutting-edge solutions to our clients. If you are passionate about making a difference and possess a strong track record in software engineering, we invite you to apply!

At Accenture Federal Services, we are dedicated to empowering the US federal government to enhance national security and improve the quality of life for citizens. Our team of over 13,000 professionals is united by a common mission to harness the power of technology and innovation for a myriad of clients spanning defense, national security, public safety, civilian, and military health sectors. Become a part of Accenture Federal Services, a technology leader within the global Accenture network. Celebrated as one of Glassdoor's Top 100 Best Places to Work, we foster a collaborative and supportive environment where you can truly belong and flourish. Through engaging hands-on experiences, certifications, and industry training, we equip you to grow and thrive in your career. Join us in driving impactful, long-lasting transformation that advances government missions and the nation forward! Job Description:We are seeking skilled full stack Software Engineers proficient in Java or Python, with a strong foundation in object-oriented programming and a commitment to meeting customer needs. Your role will involve developing cloud management and governance software for various Government clients with mission-critical responsibilities. Collaborating closely with architecture and engineering leads, you will leverage cutting-edge software technologies to deliver high-profile, complex technical solutions. We are looking for engineers who are passionate and thrive in a dynamic environment. If you want a prominent role in a respected company, collaborating with senior Government decision makers across the Federal landscape, and contributing to the development and deployment of modern, cloud-native applications on AWS and Azure, we would love to connect with you! Our team follows Agile Scrum methodologies, releasing functional software at the end of each two-week sprint utilizing CI/CD practices with Jenkins. We emphasize sound engineering best practices to design, specify, build, test, and deliver the capabilities our users need. If the idea of working within a high-performing team to deliver substantial value to customers excites you, please review the minimum qualifications and apply!

Join our team as a Senior Software Engineer specializing in Middleware and Integration. In this pivotal role, you will be responsible for designing, developing, and implementing robust middleware solutions that facilitate seamless integration across various platforms. Your expertise will help drive efficiency and innovation within our software architecture, ensuring that our systems communicate effectively and meet the needs of our users.We are looking for a candidate who is passionate about technology and eager to work in a collaborative environment. You will work alongside a talented group of engineers and be instrumental in shaping our integration strategies.

About Speechify Speechify is changing how people access information by turning text into audio. From web articles and cloud documents to books on mobile devices, the platform helps users listen wherever they are, at work, on the move, or relaxing. Tools within Speechify support learning and comprehension, letting users absorb content at their own pace. Much like streaming services reshaped audio entertainment, Speechify is leading the way in audio information. The company has established itself as a category leader and continues to grow quickly. Role Overview The Core Experiences Team is looking for a Senior Software Engineer based in Arlington, VA. This engineer will develop and maintain core services and SDKs that power Speechify’s products across platforms. The role sits at the intersection of product and infrastructure, focusing on reliable APIs and intuitive systems that improve user experience. What You Will Do Work closely with Product Teams to define project scopes, streamline feedback loops, weigh integration and UX trade-offs, and deliver solutions through the cross-platform SDK. Improve existing features by designing efficient abstractions and refining algorithms to boost loading speeds and parsing intelligence. Build cloud functions, lightweight backend services, and jobs using Kotlin. What We Look For Systems Thinking: Ability to optimize systems through thoughtful design and an appreciation for simplicity. Speed: Comfortable generating and evaluating ideas quickly, and deciding what to ship now versus what to develop over time. Focus: Knows when to collaborate with the team and when to work independently, especially in a startup setting. Collaboration: Skilled at working with designers, marketers, and project managers, motivating and negotiating as needed.

At Two Six Technologies, we are at the forefront of technology innovation, developing and deploying cutting-edge products that address some of the world's most complex challenges. Through unparalleled collaboration and steadfast trust, we push the limits of what is achievable, empowering our team and assisting our clients in creating a safer global future.We are on the lookout for skilled Windows and Linux CNO developers. Our CNO initiatives are mission-driven, focused on providing solutions to challenging and enduring targets in demanding environments. Our teams specializing in vulnerability research and development consistently deliver results across diverse devices and platforms. Candidates should possess substantial software development experience, along with a profound understanding of exploitation and attack mission scenarios, and be comfortable supporting rapid capability development events.Work locations include Chantilly, VA, Herndon, VA, or Arlington, VA.

Join us at usm2 as a Senior Software Engineer specializing in Business Intelligence (BI). In this role, you will be a key player in designing and implementing innovative software solutions that enhance our BI capabilities. You will work closely with cross-functional teams, utilizing your expertise to drive data-driven decision-making across the organization.

Join Systems Technology Research as a Senior Software Engineer specializing in integration and testing. In this pivotal role, you will work collaboratively with cross-functional teams to design, implement, and validate complex software solutions that meet our clients' needs. Your expertise will drive the development of robust integration frameworks and testing strategies, ensuring quality and performance across our software products.

At Two Six Technologies, we engineer, implement, and deploy groundbreaking products designed to tackle some of the world's most intricate challenges. Through exceptional teamwork and steadfast trust, we continually redefine the limits of innovation, empowering our team members and assisting our clients in creating a more secure global future.Overview of Opportunity Become a part of the Trusted Electronics & Effects division at Two Six Technologies, where we are at the forefront of software and firmware reverse engineering, dedicated to identifying vulnerabilities in wireless and embedded systems. As a member of our distinguished team of security researchers, you will collaborate closely with CNO developers and hardware engineers, engaging in advanced vulnerability research on complex, real-world applications.Our governmental clients depend on us to deliver critical security solutions, and we are in search of a Senior Software Reverse Engineer who is proficient in reverse engineering embedded systems, pinpointing security vulnerabilities, and crafting innovative proof-of-concept exploits. If you are passionate about wireless security, embedded firmware analysis, and contributing to national security, we would love to have you on our team.Your Responsibilities:Conduct reverse engineering of wireless and embedded systems, identifying vulnerabilities and evaluating their security implications.Create proof-of-concept exploits for identified vulnerabilities while adhering to DevOps best practices to maintain organized and manageable code bases.Examine firmware, software protections, and wireless protocols to reveal security weaknesses.Utilize and develop custom tools for analyzing and manipulating software/firmware binaries.Work closely with CNO developers, vulnerability researchers, and hardware engineers in a dynamic, small-team environment.Tackle complex technical challenges without predefined solutions.

Join our innovative team at Systems Technology Research as a Senior Software Engineer / Back-End Developer. In this role, you will be responsible for designing, developing, and maintaining robust back-end systems that power our cutting-edge technology solutions. You will collaborate with cross-functional teams to deliver high-quality software that meets the needs of our clients.

Welcome to Planet Labs Inc. We harness the power of space to enhance life on Earth.As a pioneer in satellite technology, we design, build, and operate the largest constellation of imaging satellites ever created. Our innovative cloud-based platform provides a wealth of empirical data that serves a diverse range of sectors including commercial, environmental, and humanitarian efforts. We are not only a space company but also a data-driven organization.With our comprehensive dataset, customers worldwide utilize Planet's insights to innovate technologies, boost revenue, conduct research, and address some of the most pressing challenges facing our planet.Our team is composed of experts from various fields, allowing us to maintain control over hardware design, manufacturing, data processing, and software engineering, fostering an inspiring work environment.At Planet, we uphold a people-first culture, focusing on community and collaboration, ensuring our team members are prioritized as we prepare for future growth. Join us in transforming how people perceive the world.Planet operates globally, with team members working remotely and from offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.About the Role:We are on the lookout for a Senior Software Engineer to craft groundbreaking solutions for our most strategic clients, particularly within the Global Defense and Security sector. In this capacity, you will engage directly with key stakeholders as a leading technical contributor and hands-on builder within a collaborative engineering team. Your goal will be to address complex, mission-critical customer needs by developing impactful software solutions.You will enjoy a high level of autonomy, taking ambiguous requirements and transforming them into functional, reliable software. Your contributions will be vital in fulfilling critical customer commitments and guiding future product innovations. This role suits individuals who excel in dynamic environments and relish ownership of intricate technical challenges from inception to completion.This is a full-time, hybrid position requiring you to work from our Arlington office three days a week.

At Accenture Federal Services, our mission is to empower the U.S. federal government to strengthen and secure the nation while enhancing lives across the country. With a dedicated team of over 13,000 professionals, we leverage the limitless potential of technology and creativity to support clients across defense, national security, public safety, civilian sectors, and military health organizations. As part of our collaborative and supportive community, recognized as a Glassdoor Top 100 Best Place to Work, you will find opportunities to grow, learn, and thrive through practical experience, certifications, and industry training. Be a part of our journey to drive meaningful, lasting change that advances government missions! The Senior Custom Software Engineer (Platform Developer) plays a pivotal role in the containerization, automation, scripting, and Infrastructure-as-Code (IaC) development necessary for secure platform operations in government cloud environments. This position is responsible for designing, configuring, integrating, and maintaining management infrastructure services while ensuring system stability, compliance, and security adherence. The engineer will develop hardened machine images (e.g., Azure VMs), ensure STIG compliance, and create custom services for security inheritance across the environment. As a senior contributor, you will utilize your expert knowledge to lead significant technical projects, assess performance outcomes, and mentor junior technical staff.

Join Systems Technology Research as a Lead Software Engineer, where you will spearhead innovative software solutions that drive our mission forward. In this pivotal role, you will collaborate with cross-functional teams to design, develop, and implement cutting-edge software applications. Your expertise will help shape the future of our technology landscape, as you mentor junior engineers and ensure best practices are followed throughout the development lifecycle.

Accenture Federal Services seeks a Lead Software Engineer & Architect based in Arlington, VA. This position takes charge of designing and implementing software solutions for federal clients. The work blends technical leadership with direct involvement in architecture and development. Key Responsibilities Define and shape system architecture to address specific client needs Oversee the full software development process, from initial planning to final delivery Lead a team of engineers by setting technical direction and maintaining high standards Encourage collaboration and technical growth within the team Mentor junior engineers and assist with their professional growth