Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Engineer, Level 3

Full-time

Independent Software


What You Will Do:

As a Software Engineer (SWE) Level 3, you will design, develop, integrate, and enhance complex and diverse software systems in support of mission-critical programs. You will work independently and as part of a collaborative engineering team to deliver high-quality software solutions, applying appropriate software development methodologies and best practices. This role includes contributing to system design decisions, resolving complex technical issues, and providing technical leadership across software development efforts.

Key Responsibilities:

 
  • Analyze user requirements to derive software design and performance requirements
  • Design, develop, and modify software systems to add new features, improve performance, or adapt to new hardware
  • Debug existing software, identify root causes, and correct defects
  • Develop and implement algorithms that meet strict performance, timing, and functional constraints
  • Integrate existing software into new or modified systems or operating environments
  • Design and implement complex database or data repository interfaces and queries
  • Develop simple data queries for existing or proposed databases or data repositories
  • Assist with developing and executing test procedures for software components
  • Review, test, and validate software components for adherence to design requirements
  • Write, review, and maintain software and system documentation
  • Provide recommendations and implement improvements to software development processes and documentation standards
  • Perform quality control on team deliverables to ensure compliance with project standards
  • Serve as a technical lead or team lead, as appropriate to the software development process
  • Delegate programming and testing tasks and monitor team performance
  • Oversee one or more software development teams to ensure work is completed within process constraints
  • Confer with system engineers and hardware engineers to derive software requirements and understand system limitations
  • Coordinate software system installation and monitor system performance to ensure operational specifications are met
  • Recommend new technologies, tools, and processes for complex software projects
Required Skills and Qualifications:

 
  • Strong experience with object-oriented programming languages such as C++ and Java
  • Experience developing software for complex systems, including processing-intensive applications, real-time systems, or large data environments
  • Proficiency in applying software development methodologies appropriate to the development environment
  • Experience with requirements analysis, software design, implementation, testing, and integration
  • Ability to design and implement complex algorithms using scientific analysis and mathematical models
  • Experience supporting Information Assurance or secure software development environments
  • Strong problem-solving, analytical, and debugging skills
  • Ability to work independently and lead technical efforts across multiple teams
  • Strong written and verbal communication skills for documentation and technical collaboration
Education and Experience:

 
  • Bachelor’s degree in Computer Science or a related discipline from an accredited college or university
  • Four (4) additional years of software engineering experience on projects with similar software processes may be substituted for a bachelor’s degree
  • Minimum of fourteen (14) years of experience as a Software Engineer on programs and contracts of similar scope, type, and complexity
  • Additional experience with object-oriented programming languages such as C++ and Java is required

Clearance Requirement:

 

  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role
Why Choose Independent Software:

At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.

When you join us, you will:
  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance


Ready to take the next step in your career? Join us and be part of something bigger.

Apply today.

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
Vacancy posted 2 hours ago
Similar jobs that could be interesting for youBased on the Software Engineer, Level 3 in Annapolis Junction, MD vacancy
  • $210k - $215k

     ...Job Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive...  ...development, and requirements analysis and synthesis from system level to individual software components. Required Skills:... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Local area

    Intelligenesis

    Annapolis Junction, MD
    2 hours ago
  •  ...Description Software Engineer Levels 1 - 3 - TS/SCI/FS Poly clearance only Altamira Technologies has a long and successful history of providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves... 
    Level 3
    Full time
    Worldwide

    Altamira Technologies

    Annapolis Junction, MD
    2 hours ago
  •  ...The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm...  ..., and requirements analysis and synthesis from system level to individual software components. Analyze user requirements... 
    Level 3
    Full time
    Temporary work

    Avalore, Llc

    Annapolis Junction, MD
    2 hours ago
  • $70k - $190k

     ...Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!   Belay Technologies is seeking a Software Engineer (SWE) level 2/3, to support our intel team. Candidates should have the following qualifications:   TS/SCI with polygraph... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Flexible hours

    Belay Technologies

    Annapolis Junction, MD
    2 hours ago
  • $125k - $240k

     ...The Kenjya-Trusant Group is looking for a Software Engineer to support our Maryland Customer in the...  ...analysis and synthesis from system level to individual software components. Analyze...  ...ROXY and RHEL 9 experience. Level 3: High School diploma with twenty-four... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    The Kenjya-trusant Group

    Annapolis Junction, MD
    2 hours ago
  • $190k - $240k

     ...1!   Belay Technologies is seeking a Software Engineer (Automated Test Framework) to join our intel...  ...paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11...  ...career development. Salary Range: Levels 1 and 2: $70,000 to $190,000 Level 3:... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Flexible hours

    Belay Technologies

    Annapolis Junction, MD
    2 hours ago
  •  ...Job Description Jovian Concepts, LLC is looking to hire a Software Engineer Level 3 for a great opportunity in the Annapolis Junction area. A current and active TS/SCI Clearance with a Maryland Polygraph is required. No CCA's will be accepted at this time... 
    Level 3

    Jovian Concepts Inc

    Annapolis Junction, MD
    4 days ago
  •  ...Build the Tools Behind the Mission: Join us as a  CNO Software Engineer!  Don't just write code—build the capabilities that power Computer...  ...practices ~ Troubleshooting and resolving complex system-level issues across distributed environments ~ Driving DevOps and... 
    Level 3

    Adaptic

    Annapolis Junction, MD
    2 days ago
  • $190k - $240k

     ...1!   Belay Technologies is seeking a Software Engineer to join our intel team. DevOps is an agile...  ...paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11...  ...career development. Salary Range: Levels 2: $70,000 to $190,000 Level 3: $190,0... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Flexible hours

    Belay Technologies

    Annapolis Junction, MD
    2 hours ago
  •  ...Software Engineer Level 3 As a Software Engineer Level 3 at CyberPoint, you will lead the design, development and evolution of complex software systems supporting mission-critical operations. You'll work across a range of problem spaces - from large-scale data processing... 
    Level 3
    For contractors
    Local area

    Navstar

    Annapolis Junction, MD
    3 days ago
  •  ...Software Engineers CTC Group is seeking Software Engineers for a contingent program supporting...  ...with polygraph security clearance Level 0 Qualifications: ~ A Bachelor's degree...  ...(18) years experience. Level 3 Qualifications: ~ Twenty (20) years... 
    Level 3

    C T C Group

    Annapolis Junction, MD
    1 day ago
  • $215k - $237k

     ...Most At Intelliforce, we’re looking for mission-driven engineers ready to tackle cutting-edge challenges in high-performance...  ...and artificial intelligence. We are currently seeking a Software Engineer Level 3 to support the design, development, and deployment of a Retrieval... 
    Level 3
    Full time
    Immediate start

    Intelliforce-it Solutions Group

    Annapolis Junction, MD
    2 hours ago
  • $3,000 per month

     ...eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Stf - SIGNAL SWE WHAT WE‘RE DOING Lockheed Martin,...  ...work (SOW) Appendix B for the USG standard SWE labor category level 3. ***You must possess the requisite security clearance and... 
    Level 3
    Relocation package

    Lockheed Martin

    Laurel, MD
    19 days ago
  •  ...fosters collaboration with other senior engineers for the development of advanced data analytics...  ...This Program is seeking a full stack software engineer to develop, maintain and...  .../SME Validation, Smoke Test, and System Level Test (SLT) prior to deploying products to... 

    Lockheed Martin

    Annapolis Junction, MD
    7 hours ago
  • $180k - $210k

     ...T-Rex is looking for a talented Software Engineer 3 to work on a program in the Hanover, Maryland area in support of the Intelligence Community...  ..., and requirements analysis and synthesis from system level to individual software components. The Level 3 Software Engineer... 
    Level 3
    Full time
    Contract work
    Work experience placement
    Immediate start

    T-rex Solutions

    Hanover, MD
    2 hours ago
  • $134k - $162k

     ...Software Engineer Level 3 Software | Hanover, MD | Full Time Position: Software Engineer Level 3 Location: Hanover, MD Category: Software Engineering Schedule: Standard Day Shift, Monday–Friday Clearance Requirement: Active TS/SCI with Polygraph (... 
    Level 3
    Full time
    Temporary work
    Monday to Friday
    Flexible hours
    Day shift

    Tap Engineering

    Hanover, MD
    2 hours ago
  •  ...Software Engineer (SWE) Level 3: Seeking a Linux-focused Software Engineer with strong Python/Java development and Linux administration experience (RHEL, Ubuntu, Rocky, CentOS) to implement, integrate, automate, and sustain Delinea privileged access and secrets management... 
    Level 3

    Mangrum Career Solutions LLC

    Annapolis Junction, MD
    a month ago
  •  ...What You Will Do As a Software Engineer Level 2 or Level 3 at Independent Software, you will support the modernization of a mission‑critical Java application as it evolves from a traditional monolithic architecture to a cloud‑ready microservices platform. You will work... 
    Level 3

    Independent Software

    Ellicott City, MD
    2 days ago
  •  ...Assertive Professionals is seeking Software Engineer to support a National Security Customer near...  ...requirements analysis and synthesis from system level to individual software components. Level...  ...development process standards Level 3 Serve as the technical lead of multiple... 
    Level 3
    For contractors
    For subcontractor
    Work at office
    Immediate start
    Relocation
    Relocation package

    Assertive Professionals

    Hanover, MD
    3 days ago
  •  ...Job Description Job Description Software Engineer – Level 3 Location: Anne Arundel County, MD Clearance: Top Secret with Full‑Scope Polygraph We are seeking a highly experienced Software Engineer Level 3 to support our customer's complex, mission‑critical development... 
    Level 3
    Temporary work
    Local area
    Immediate start
    Flexible hours

    Calvert Systems Engineering Inc

    Annapolis Junction, MD
    11 days ago
  •  ...Job Description Job Description What You Will Do: At Independent Software, as a Software Engineer Level 3, you will design, develop, maintain, and enhance complex software systems supporting mission-critical operations and advanced technical environments. You will... 
    Level 3

    Independent Software

    Annapolis Junction, MD
    27 days ago
  •  ...What You Will Do: As a Software Engineer at Independent Software, you will contribute to the development...  ...skills. Education and Experience: Level 2 ~Fourteen (14) years of experience...  ...for a bachelor’s degree. Level 3 Twenty (20) years of experience as a... 
    Level 3
    Full time

    Independent Software

    Annapolis Junction, MD
    a month ago
  •  ...makes us a trusted partner for organizations operating in high security environments. Summary Invictus is seeking a Software Engineer Level 3 to design, develop, and enhance complex software systems in Annapolis Junction, Maryland, supporting data intensive and mission... 
    Level 3
    Full time
    Temporary work

    Invictus Strategy & Solutions

    Jessup, MD
    20 days ago
  •  ...Poly 9 years of experience with STEM Bachelor's Degree  The Software Engineer shall be responsible for developing, sustaining, and...  ...Experience developing scripts using Bash Recent Python (3.x) software development experience Experience with Rust programming... 
    Level 3
    Full time
    Temporary work
    Immediate start
    Relocation package
    Flexible hours

    CTRL + LLC

    Annapolis Junction, MD
    23 days ago
  •  ...team! Seeking a Cloud Technical Expert, Level 3 . Location: Annapolis Junction,...  ...: Analyze user requirements to derive software design and performance requirements. Design...  ...Seven (7) years experience as a Software Engineer (SWE), in programs and contracts of... 
    Level 3
    Full time
    Temporary work
    Local area

    Advantage Engineering & IT Solutions Inc

    Annapolis Junction, MD
    10 days ago
  •  ...Job Description Job Description AEITS, Inc. , a GTSC company, is growing its team! Seeking a Software Engineer Level 3 . Location: Annapolis Junction, MD All work is on-site. This is not a hybrid or remote position. Mission : Design, document and... 
    Level 3
    Full time
    Temporary work
    Local area

    Advantage Engineering & IT Solutions Inc

    Annapolis Junction, MD
    18 days ago
  • $70k - $240k

     ...Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!   Belay Technologies is seeking a Software Engineer (Level 2 or 3) to join our intel team. This position will support the Data Team developing capability in Python and Provide support... 
    Level 3
    Contract work
    Work experience placement
    Flexible hours

    Belay Technologies

    Annapolis Junction, MD
    20 days ago
  •  ...Software Engineer (SWE) Skill Level 3 About CTRL+ CTRL+ is seeking a Software Engineer 3 with Machine Learning (ML) & Artificial Intelligence (AI) experience for our contract. The ideal candidate will be responsible for designing and developing robust software solutions... 
    Level 3
    Full time
    Contract work
    For contractors
    Work at office
    Remote work

    CTRL + LLC

    Annapolis Junction, MD
    23 days ago
  • $158k - $170k

     ...Job Description Job Description AEITS, a GTSC company, seeks a Software Engineer Level 3. ~~~ This position pending contract award ~~~ Location: Annapolis Junction, Maryland area ~~~~ All work is on-site, in-person in a SCIF environment. This is not a hybrid... 
    Level 3
    Full time
    Contract work
    Temporary work
    Local area

    Advantage Engineering & IT Solutions Inc

    Annapolis Junction, MD
    7 days ago
  •  ...Possible,” please apply today! The Software Engineer designs, develops, tests, deploys, documents...  ...analysis and synthesis from system level to individual software components. Experience...  ...Services implementation. The Level 3 Software Engineer (SWE) possess the... 
    Level 3
    Flexible hours

    Prosync

    Annapolis Junction, MD
    21 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Engineer, Level 3. Be the first to apply!