Senior Software Engineer
KYM Advisors Inc
KYM seeks an experienced Senior Software Engineer to join our development team to support a mission-critical, 24/7/365 software platform. The successful candidate will be responsible for designing, developing, testing, maintaining, and enhancing application capabilities while working closely with software engineers, architects, analysts, testers, cybersecurity professionals, and end users.
This position requires a strong software engineering background, agile methodology, the ability to work independently on complex technical problems, and a commitment to developing secure, reliable, and maintainable software in a security-conscious environment.
US Citizenship is required and candidates must be able to obtain a DHS EOD security clearance for this position.
Key Responsibilities
- Design, develop, test, debug, and maintain software components supporting the Q-Flow application.
- Analyze existing application architecture and identify opportunities for performance, reliability, maintainability, and security improvements.
- Develop new application features based on functional and technical requirements.
- Participate in software architecture and design discussions.
- Translate business and technical requirements into scalable software solutions.
- Develop automated unit, integration, and regression tests.
- Troubleshoot complex application, database, and integration issues.
- Conduct code reviews and provide constructive technical feedback to other developers.
- Collaborate with systems engineers, business analysts, database administrators, cybersecurity personnel, QA engineers, and project stakeholders.
- Support application deployments, upgrades, configuration management, and production troubleshooting.
- Identify and remediate software vulnerabilities in accordance with organizational security requirements.
- Follow secure software development lifecycle practices and applicable government or organizational security standards.
- Maintain accurate technical documentation, including design documentation, interface specifications, deployment procedures, and troubleshooting guides.
- Participate in Agile/Scrum ceremonies, sprint planning, backlog refinement, and technical demonstrations as appropriate.
- Mentor junior and mid-level software engineers.
- Support modernization and migration initiatives as the Q-Flow application evolves.
Qualifications
- Bachelor’s degree in Computer Science, Engineering, or a related STEM field.
- 10 years’ work experience
- Must be able to obtain and maintain DHS EOD. Note: DHS EOD Requires U.S. Citizenship
- Proficiency in core languages like Java, Python, C++, or JavaScript
- Familiarity with SQL/NoSQL databases, cloud platforms (AWS, Azure, GCP), and CI/CD pipelines
- Experience demonstrating strong analytical, troubleshooting and problem-solving
- Excellent communication skills, both written and oral.
Desired Skills
- Five years of working with the federal government
KYM Benefits and Offerings
- Competitive health care plans with savings accounts
- Dental and vision plans
- 401k with 100% company match up to 4%, with immediate vesting on company match
- Life and disability insurance
- Learning Management System with robust offerings
- Tuition Reimbursement Program
- Paid Time Off
- 11 paid holidays per year
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
#J-18808-Ljbffr- Senior Software Engineer TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon, VAACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITIONSenior Software Engineer:Analyzes user interfaces, maintain hardware and software performance...Senior
$135k - $216k
ResponsibilitiesPeraton is seeking a Senior Software Engineer in our Herndon, VA location to support a large software development classified program. The selected candidate should have experience with agile software methodology, and software engineering design best practices...SeniorFull timeContract workShift work$220k - $292k
...edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.As a Mission Software Engineer, you will solve a wide variety of problems involving networking, autonomy, systems integration, robotics, and more, while...SeniorFull timeWork experience placementImmediate start$119.8k - $234.7k
...officeRole type: Individual ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline: Software EngineeringCompany: MicrosoftOverviewMicrosoft has an exciting opportunity for a Software Engineer on the Cloud+AI Silver Team. This team will be responsible for...SeniorOngoing contractLocal area3 days per week- ...and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Senior Software Engineer. Location: Reston, VA. Purpose:Performs complex analysis, design, development, automated unit and integration testing,...SeniorWork experience placementImmediate start
- We're looking for a senior builder — a high-output engineer who ships production systems at a pace that resets expectations and raises the bar for everyone... ...are a Builder8-10 years of recent, hands-on software engineering with a track record of shipping full systems...SeniorFull timeFlexible hours
- ...active U.S. Government Security Clearance at the Top Secret and/or CBP/DHS suitability level.Vantor is currently seeking a Senior-Level Software Engineer to support our FALCON effort. This role can be performed remotely within the continental United States. As a Vantor...SeniorFull timeRemote work
- ...Design, develop, and maintain command and control software applications for satellite operations and ground stations. Implement real... ...requirements. Requirements Requires 5+ years of software engineering experience, with at least 3 years focused on command and control...Senior
$168.1k - $227.4k
Application deadline: Sep 26, 2026Bespoke Solutions is seeking a Senior Software Development Engineer to design, build, and operate a mission-critical, multi-tenant platform for managing large-scale fleets of embedded devices across highly secure and enterprise network...SeniorFull timeInternshipWork at officeFlexible hours- ...government and commercial entities, and provide services for cloud software development, workload migration, deployment automation and... ...LEVEL: Secret BASIC QUALIFICATIONS Development/software engineering or the development of applications for the processing and...Senior
$130k - $180k
...HawkEye 360 is currently seeking a Senior Command & Control Software Engineer to join the Space Ground Systems Team. The mission of the Ground Systems Team is to provide the tooling to operate and maintain a growing constellation of small commercial satellites. This group...SeniorRemote workNight shift- ...Job Overview The Senior Software Engineer develops and tests software systems or applications for software enhancements and new products. Responsible for the development, design, test, maintenance, and enhancement of Aclara's Sensor Management System (SMS) and Cellular...SeniorContract work
- ...code comments and clear code. Develop software solutions by studying information needs;... ...the program manager and Chief Software Engineer. Coordinate software development activities... ...Systems, or related STEM degree. Senior‑level experience deploying microservices...SeniorContract workTemporary work
- ...Our client, a Health Insurance company, is looking for a Senior Software Engineer for their Reston, VA/ Hybrid location. Responsibilities: ~25% Perform technical detail design, coding, testing of applications. ~ Serves as subject matter expert for both customer...SeniorImmediate start
$125k - $190k
...team and support our customers in building a safer global future. Overview Of Opportunity As a Two Six Technologies Senior Software Engineer for a large-scale platform for situational awareness and command and control, you will work with the development team, designers...SeniorContract workWork at officeLocal area- ...requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph. Platinum Technologies is seeking a Senior Software Engineer to join our team. In this position you will design, develop, integrate, and maintain software applications and services...Senior
- ...Reston, Virginia. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates... ...engineering, blockchain, AI, and cloud-native software application development. We are seeking a talented Senior Software Engineer to join our growing team. As...SeniorWork at office
$100k - $135k
...our Reston site, we’re assembling a team of forward-thinking engineers and technologists ready to push boundaries. This is your chance... ...from the U.S. Government. Why Join Our Team? As a Senior Software Engineer on the Navigation Systems team, you’ll use your C/C++...SeniorFor contractorsWork at officeWorldwideFlexible hours- ...technology solutions that enable collaboration across complex operational environments. Mission is looking for a talented Senior Software Engineer to join our team in the Reston, VA area, supporting cloud-based data integration, information sharing, and systems...SeniorLocal areaFlexible hours
$121.4k - $218.6k
...solutions for government networks? Join Our Custom Government Engineering Team! The Custom Government team operates across the... ...an experienced, self-motivated, and highly productive Senior Software Engineer with a solid systems background. In this role, you...SeniorWork experience placementWork at office$125.16k - $159.37k
...satellite routers and network management software address the growing complexity of... ...team of smart, creative, and dedicated engineering team-members. This position is based out... ...of a remote work schedule. This is a senior-level position for a Software Engineer....SeniorWork experience placementRemote work- ...About the Opportunity We're looking for a Senior Software Engineer to help grow our system! You will be working with a smart team of machine learning scientists and software developers on applications and tools that power Seekr's AI products, agents, and tools. You...SeniorPermanent employmentWork experience placementWorldwideFlexible hours
- ...U.S. Government Security Clearance at the Top Secret and/orCBP/DHSsuitability level.Vantor is currently seeking aSenior-Level Software Engineer to support ourFALCONeffort. This role can be performed remotely within the continental United States.As a Vantor team member,...SeniorFull timeRemote work
- ...and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Senior Software Engineer - Information Technology Position: Oracle Financials - Techno-Functional Consultant Location: Reston, VA ( Remote)...SeniorRemote work
$114.2k - $206k
...Join to apply for the Senior Software Engineer role at T-Mobile Join to apply for the Senior Software Engineer role at T-Mobile At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers....SeniorFull timeTemporary workPart timeWork experience placementLocal areaFlexible hours$168.1k - $227.4k
Are you passionate about building software systems that operate at massive scale and directly impact millions of customers? As a Software Development Engineer III at Amazon, you will lead the design, development, and delivery of complex software solutions that span the...SeniorTemporary workInternshipFlexible hoursShift workNight shiftDay shift- ...Job Description Job Description We are seeking a Senior Software Engineer to become an integral part of our team! You will be responsible for designing, building and maintaining web applications in a .NET environment. Responsibilities: Lead software development...SeniorFlexible hours
$191k - $253k
...focused on positioning Anduril as a lead provider of specialized engineering and products for Intelligence Community (IC) customers. We... ...team is seeking experienced Rust developers to build out the software ecosystem supporting next-generation hardware platforms powered...SeniorFull timeWork experience placementImmediate start$174k - $252k
...the scope of the broader area.Review code developed by other engineers and provide feedback to ensure best practices (e.g., style guidelines... ...or equivalent practical experience.5 years of experience with software development in C++, C, or Python.2 years of experience...SeniorWorldwide$191k - $253k
...focused on positioning Anduril as a lead provider of specialized engineering and products for Intelligence Community (IC) customers. We... ...pipelines, enabling automated build, test, and deployment of software across multiple enclavesCollaborate with software engineers to...SeniorFull timeWork experience placementImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- software engineer full time Reston, VA
- software engineer healthcare Reston, VA
- network software engineer Reston, VA
- senior software engineer Reston, VA
- software system engineer Reston, VA
- software developer Reston, VA
- ngo software engineer Reston, VA
- startup software engineer Reston, VA
- software web developer Reston, VA
- software engineer part time Reston, VA



