Senior Software Engineer
$68.43 - $112.91 per hourPEMCCO
Senior Software Engineer
Pay: $68.43 - $112.91 hourly, depending on experience
Benefits: Medical, Dental, Vision, Paid Time Off, Paid Holidays, Employee Assistance Program, and other company-sponsored benefits
Security Clearance: Ability to obtain and maintain a government security clearance if required
Are you an experienced software engineering professional who enjoys leading development efforts, solving complex technical challenges, and building innovative solutions that support mission success?
PEMCCO is seeking a Senior Software Engineer to provide technical leadership in the design, development, integration, testing, and sustainment of software applications and systems supporting critical government operations. This role is ideal for a senior engineer who thrives in collaborative environments, enjoys mentoring technical teams, and is passionate about delivering secure, scalable, and high-performing software solutions.
This opportunity is a strong fit for candidates with experience in software engineering, software architecture, systems development, application development, cloud computing, DevSecOps, Agile development, artificial intelligence, machine learning, or enterprise application support.
About PEMCCO
PEMCCO supports complex technical and operational programs by providing skilled professionals who help customers achieve mission success. We offer opportunities to work on impactful projects, collaborate with talented teams, and contribute to innovative solutions that support critical government operations.
Job Overview
As a Senior Software Engineer, you will serve as a senior software engineering professional responsible for designing, developing, integrating, testing, implementing, and maintaining mission-critical software applications and systems. You will provide technical leadership, evaluate software solutions, and guide development efforts while collaborating with engineers, analysts, cybersecurity professionals, and stakeholders.
This position offers the opportunity to lead complex software initiatives, influence technical strategy, and contribute to high-impact programs that directly support customer missions.
What You'll Do
- Lead the design, development, testing, implementation, and maintenance of software applications and systems
- Analyze user, system, and business requirements and develop software solutions that support operational objectives
- Develop software architectures, system designs, and technical approaches for complex development efforts
- Perform coding, debugging, testing, and troubleshooting activities throughout the software development lifecycle
- Support software integration, verification, validation, and deployment activities
- Evaluate software performance and recommend enhancements to improve efficiency, reliability, maintainability, and scalability
- Ensure software solutions comply with applicable standards, security requirements, and industry best practices
- Participate in code reviews, design reviews, and technical assessments
- Develop and maintain software documentation, technical specifications, and engineering artifacts
- Coordinate with engineers, system administrators, analysts, cybersecurity personnel, and stakeholders to support project objectives
- Support configuration management, version control, and software release activities
- Analyze and resolve complex software defects and technical issues
- Research and evaluate emerging technologies and development methodologies
- Provide technical guidance and mentorship to junior software engineers and developers
What You Bring
Required Qualifications
- Master's degree in Computer Science, Software Engineering, Computer Engineering, Information Systems, Information Technology, Mathematics, or a related technical discipline
- Ten (10) years of experience in software engineering, software development, application development, systems development, or a related technical field
- Advanced knowledge of software engineering principles, practices, and methodologies
- Knowledge of software development lifecycle processes and industry best practices
- Knowledge of software architecture, design patterns, and application integration concepts
- Knowledge of software testing, quality assurance, and debugging techniques
- Ability to analyze complex technical requirements and develop effective software solutions
- Ability to troubleshoot and resolve complex software defects and performance issues
- Strong analytical, organizational, and problem-solving skills
- Ability to communicate technical information effectively to technical and non-technical audiences
- Ability to lead technical efforts and collaborate across multidisciplinary teams
- Ability to develop, review, and maintain technical documentation and software artifacts
- Ability to obtain and maintain a government security clearance if required
Preferred Experience
- Advanced coursework or specialized training in software engineering, cloud computing, cybersecurity, artificial intelligence, machine learning, or related disciplines
- Experience supporting Department of Defense or Federal Government programs
- Experience leading software development efforts or technical teams
- Experience working within Agile, Scrum, DevSecOps, or similar development environments
- Experience developing enterprise, distributed, or mission-critical applications
- Experience supporting software integration, testing, and deployment activities
- Experience mentoring software development personnel
Why Join PEMCCO?
- Support critical government and customer missions through innovative software solutions
- Lead technical initiatives that directly impact operational success
- Collaborate with experienced engineers, developers, and technology professionals
- Help shape software architecture, development practices, and technical strategy
- Expand your expertise across modern software engineering frameworks and technologies
- Mentor the next generation of engineering talent
- Build a rewarding career in a collaborative and mission-focused environment
Work Environment
- Professional office and technical work environments
- Work may be performed at company facilities, customer locations, or designated project sites as needed
- Regular use of computers, development platforms, and collaboration tools
- Frequent interaction with engineers, developers, analysts, customers, and stakeholders
Benefits
- Medical Insurance
- Dental Insurance
- Vision Insurance
- Paid Time Off
- Paid Holidays
- Employee Assistance Program
- Additional company-sponsored benefits
Apply Today
If you're an experienced software engineer looking to lead innovative development efforts, solve complex technical challenges, and support mission-critical operations, we encourage you to apply.
Join PEMCCO and help build the software systems and applications that power mission success.
Equal Opportunity Employer
PEMCCO, Inc. is an equal opportunity employer. The Company does not discriminate on the basis of race, color, sex, sexual orientation, gender identity or expression, religion, national origin, age, disability, genetic information, military or veteran status, pregnancy, childbirth and related medical conditions, or any other characteristic protected by applicable federal, state, or local law.
$150k - $200k
What You'll be Owning GRVTY is seeking a Senior Software Engineer with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Laurel, MD. The Senior Software Engineer shall develop, enhance, and prototype compliance and business processing...SeniorFull timeContract workImmediate startRemote work2 days per week$107.9k - $195.05k
We are seeking an experienced Senior Software Engineer to join our team in developing the forefront of unmanned and autonomous ship development for the US Government. Based in Arlington, VA, you will be embedded within an Agile Scrum team - designing, building, and testing...SeniorFull time$86.8k - $165.2k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...shape the future of aerospace and defense. Raytheon is seeking a Software Engineer for a program consisting of a nationwide network of...SeniorFull timeContract workTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours- ...The Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification...SeniorFull time
- ...Statsig Statsig is revolutionizing how software is built, tested, and scaled. Thousands... .... About the Team Statsig's engineering team builds scalable infrastructure and... ...solutions. What You’ll Do As a Senior Software Engineer , you will drive critical...SeniorFull timeWork at office
- ...TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across...SeniorFull time
- ...technical requirements. Participate in all aspects of the software development lifecycle, including requirements collection, planning... ...functional responsibilities and expert knowledge of software engineering with: Expert proficiency with Python and JavaScript Eight (...SeniorFull time
$190k - $235k
...us, check out our blog ! The impact As a member of the engineering team, you will own projects from end-to-end, making decisions... ...understanding customers’ needs. Who you are ~5+ years of full-time software engineering experience, ideally full-stack ~ Expert...SeniorFull time- ...constantly pushing the boundaries of what’s possible. Job Description ISL is looking for a skilled, hard-working Senior Software Engineer to help build amazing experiences for some of the biggest brands in the world. We're a down-to-earth, hardworking team...SeniorFull time
$130k - $250k
...execution are key to building impactful software. If mission-focused work is your north star... ...getting started. Team As an engineering team, we believe strongly that empathy improves... ...join our small but growing team. As a Senior Software Engineer, you’ll have vast...SeniorFull timeWork at office- ...Technical Lead (Engineer/Developer) — IRS Enterprise File Storage (EFS) Workflow Period of Performance: November 2025 – November... ...in migrations, integrations, and ensuring secure, high-quality software delivery. Required Qualifications ~ U.S. Citizen ~ Must...SeniorFull timeMonday to Friday
- ...Job Opportunity : Our team is seeking a talented Senior Software Engineer to work in a hybrid model with our client located in Washington DC. What You'll Get to Do as a Senior Software Engineer : Analyze, design, develop and testing of the enterprise-wide...SeniorFull timeWork experience placement
$191k - $254k
...Senior Software Engineer Software | Washington, DC | Full Time Position: Senior Software Engineer Location: Washington, DC Category: Software Engineering Schedule: Standard Day Shift, Monday–Friday Clearance Requirement: Active Secret security...SeniorFull timeTemporary workMonday to FridayFlexible hoursDay shift$191k - $254k
...Senior Embedded Software Engineer (Bare Metal) Software | Washington, DC | Full Time Position: Senior Embedded Software Engineer Location: Washington, DC Category: Software Engineering Schedule: Standard Day Shift, Monday–Friday Clearance Requirement...SeniorFull timeTemporary workMonday to FridayFlexible hoursDay shift$134k - $184k
...STR is hiring experienced Senior Software Engineers to join our multidisciplinary cyber/networking team committed to developing cutting-edge technologies that have an immediate and significant impact on our national security. Our team innovates communications technology...SeniorFull timeLocal areaImmediate startNight shift- ...teamwork and agility drive our daily decisions, identify our focus areas, and inspire our organizational culture. A Senior Software Engineer (SSE) is responsible for designing, developing, and modifying corporate software applications. The SSE is expected to...SeniorFull timeLocal areaRemote work
$168k - $252k
...ABOUT THE JOB We are hiring a Senior Software Engineer to design, improve, and maintain the core package set which supports software distribution throughout Anduril. This involves creating internal tooling, establishing standards, planning architectural changes,...SeniorFull timeWork experience placementLocal areaRelocation package$168k - $252k
...ABOUT THE TEAM We are looking for software engineers with modeling and simulation experience. As part of our team, you will have the opportunity to develop cutting-edge simulation tools to model complex air and missile defense scenarios. ABOUT THE JOB The ideal...SeniorFull timeWork experience placementLocal areaRelocation package$185k - $210k
...forefront of Artificial Intelligence. We are seeking senior observability engineers with specializations in logging and tracing platforms (where... ...talk. You have six or more years of experience in a software or infrastructure engineering industry. You enjoy...SeniorFull timeTemporary workCasual workWork at officeRemote workFlexible hours$168k - $252k
.... By fostering these partnerships, we’re not just building software—we’re revolutionizing how defense technology collaborates across... ...in the field. ABOUT THE JOB We are looking for a Senior Software Engineer to join our rapidly growing team in Seattle, WA. In this...SeniorFull timeWork experience placementLocal areaWorldwideRelocation package- ...that the people protecting our legal systems deserve software that is as ambitious as they are. We launched Deposely... ...About this Role This isn't just another senior role. As our Senior Software Engineer, you will be working closely with the CTO, making critical...SeniorFull timeWork at officeRemote workMonday to ThursdayFlexible hours
$220k - $292k
...operational capabilities by partnering closely with specialist engineering, operations, and production teams. Through our Anduril Rocket... ...that support a wide range of mission requirements. TRS hires software engineers & hardware engineers, who are excited to build across...SeniorFull timeWork experience placementRemote workRelocationRelocation package- Job Posting Job description updated What We’re Looking For ~8+ years of experience architecting and maintaining enterprise applications with Java (ideally Spring) and Javascript (ideally React) ~ Demonstrable experience setting up GitHub for team version control...Senior
- ...frameworks, and technologies which you would pitch and present to Senior Engineers to implement through the UI interface Ability to code... ...sound like you? You thrive on assisting other talented software engineers in resolving application problems, especially UI/UX...SeniorFull time
- ...get there. If this resonates with you, we invite you to consider building alongside our team. About The Role As a Senior Software Engineer, you'll help build from the ground up, designing and implementing secure APIs that harmonize functionality across multiple...SeniorWork at officeFlexible hours
$125k
...our partnerships with clients. Our close-knot team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available. The Senior Full Stack Software Engineer will support the development of the FBI FDP system using a Postgres...SeniorFull timeFlexible hours$160k - $190k
VIA is looking for a Senior Software Engineer to architect and construct secure, scalable software for critical data protection. You’ll be pivotal in using advanced Web3 technologies to innovate solutions that support mission-critical organizations. This position offers...SeniorRemote workFlexible hours$160k - $190k
.... The Role We're looking for a well-rounded full-stack engineer for a full-time, hybrid role based in the Washington, DC metro... ...ideally from a CS background, backed by enough experience shipping software and developer tools to know good work from plausible work....SeniorFull timeWork at officeLocal areaRelocationFlexible hours3 days per week$170k - $200k
...driving measurable ROAS improvements. We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect... ...shape the product roadmap Requirements ~7+ years of software engineering experience with at least 5 years in fullstack...SeniorFull time$208k - $260k
...Senior Software Engineer II At SimplePractice, we are improving access to quality care by equipping health and wellness clinicians with all the tools they need to thrive in private practice. More than 250,000 providers trust SimplePractice to build their business...SeniorPrivate practiceRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- ngo software engineer Washington DC
- software data engineer Washington DC
- graduate software engineer Washington DC
- software system engineer Washington DC
- graduate software developer Washington DC
- software engineer - early career Washington DC
- entry level software engineer remote Washington DC
- software engineer intern Washington DC
- software developer positions Washington DC
- junior software developer internship Washington DC


