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ManTech

60 Mantech Senior Applications Developer Jobs Hiring Near You

ManTech

Software Developer

Springfield, VA

MANTECH seeks a motivated, career and customer-oriented Senior Software Developer to join our team ... Designing and developing complex software systems and applications to support mission operations.

ManTech

Software Developer

Springfield, VA · On-site

Senior Software Developer Unlock the secrets of intelligence with MANTECH! Join a dynamic team at ... Designing and developing complex software systems and applications to support mission operations.

ManTech International

Senior Systems Engineer

Augusta, GA · On-site

$98.20K - $134.40K/yr

MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in ... Includes: operating systems, databases, applications, and relevant Security Technical ...

ManTech

Senior Full Stack Developer

Ashburn, VA · On-site

MANTECH seeks a motivated, career and customer oriented Senior Full Stack Developer SME to join our ... Design, develop, and implement scalable, high-performance and reliable applications and ...

ManTech

Senior CNO Software Engineer

Hanover, MD

$114.60K - $190.20K/yr

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team ... Manage the design, development, documentation, testing, and debugging of applications software and ...

ManTech International

Senior Network Engineer

Chantilly, VA · On-site

$106.50K - $145.90K/yr

MANTECH seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in ... Utilizing network monitoring applications for traffic, access, and performance of entire network.

ManTech

Senior CNO Software Engineer

Aurora, CO

$104.20K - $172.90K/yr

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team ... Manage the design, development, documentation, testing, and debugging of applications software and ...

ManTech

Senior CNO Software Engineer

Hanover, MD

$114.60K - $190.20K/yr

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team ... Manage the design, development, documentation, testing, and debugging of applications software and ...

ManTech

Senior Full Stack Developer

Ashburn, VA · On-site

MANTECH seeks a motivated, career and customer oriented Senior Full Stack Developer SME to join our ... Design, develop, and implement scalable, high-performance and reliable applications and ...

ManTech

Senior CNO Developer

Aurora, CO

$128.80K - $214.50K/yr

MANTECH seeks a highly experienced and innovative Expert CNO Developer to join our team in Aurora ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior Network Engineer

Miami, FL · On-site

$99.50K - $136.30K/yr

Senior Network Engineer Shape the future of defense with MANTECH! Join a team dedicated to ... and applications across domains, facilitating connections for auditing, authentication, secure ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

ManTech

Senior Systems Engineer

Lexington Park, MD

$116.40K - $194.90K/yr

MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team working in Lexington Park, MD. This is an onsite position. The Senior Systems Engineer will leverage ...

ManTech

Senior CNO Developer

Hanover, MD

$141.50K - $236K/yr

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover ... Managing the design, development, documentation, testing, and debugging of software applications ...

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ManTech Jobs Information

What are the key skills and qualifications needed to thrive as a Senior Applications Developer, and why are they important?

A Senior Applications Developer needs advanced programming skills, strong problem-solving abilities, and typically a bachelor's degree in computer science or a related field. Expertise in languages like Java, C#, or Python, along with experience using frameworks, version control systems like Git, and cloud platforms such as AWS or Azure, is crucial. Excellent communication, leadership, and project management skills help in mentoring junior developers and collaborating with cross-functional teams. These skills ensure robust, scalable solutions are delivered efficiently while fostering innovation and team productivity.

How does a Senior Applications Developer typically collaborate with other teams during a project?

Senior Applications Developers play a pivotal role in cross-functional collaboration. They often work closely with business analysts to refine requirements, partner with QA teams to ensure robust testing, and coordinate with DevOps or infrastructure specialists to streamline deployment. Regular communication with project managers and stakeholders is also common to keep projects aligned with business goals. This collaborative environment helps ensure that applications are both technically sound and aligned with user needs.

What does a Senior Applications Developer do?

A Senior Applications Developer is responsible for designing, developing, and maintaining complex software applications. They often lead projects, collaborate with cross-functional teams, and ensure that applications meet both business requirements and technical standards. In addition to coding, they may mentor junior developers, review code for quality, and help implement best practices in software development. Their expertise allows them to troubleshoot complex issues and contribute to the strategic direction of software projects.

Does ManTech pay people when they’re sick?

Sometimes. Only some people get paid when they’re sick.
42% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

At ManTech, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
50% of people say they have to use vacation days when they’re out sick.
Based on data from 10 people who took the Breakroom Quiz between June 2025 and April 2026.

Do people get paid time off at ManTech?

Most people get paid time off work.
100% of people say they get paid time off.
Based on data from 10 people who took the Breakroom Quiz between June 2025 and April 2026.

How easy is it to get time off at ManTech?

Most people find it easy to get time off.
100% of people report it’s easy to get time off.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

How easy is it to take sick days at ManTech?

Most people find it easy to take sick days.
100% of people report that it’s easy to take time off if they are sick.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech feel treated with respect by their managers?

Most people feel treated with respect by their managers.
92% of people say they’re treated with respect by their managers.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech get to take their breaks without interruption?

Most people get breaks without interruption.
83% of people report that they get to take their breaks without interruption.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Is it stressful to work at ManTech?

Some people feel stressed out here.
50% of people say they often feel stressed out at work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech recommend working with their team?

Most people recommend working with their team.
77% of people report that they would recommend working with their immediate team to a friend.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people get enough training when they start at ManTech?

Some people didn’t get enough training when they started.
46% of people report they didn’t get enough training when they started working here.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people get support to advance at ManTech?

Only some people are given support to advance their career here.
In the last year, 36% of people report not being given support to advance their career here.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people think ManTech’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
75% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Do workers feel well informed about how ManTech is doing?

Most people feel well informed about how the company is doing.
67% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.
What other companies are hiring for Senior Applications Developer jobs?
What are the most popular jobs at Mantech?
What are the most popular categories at Mantech?
Infographic showing various Senior Applications Developer job openings at Mantech in the United States as of May 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution.
Software Developer

Software Developer

ManTech

Springfield, VA

Other

Posted 6 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

31st of 184 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Software Developer to join our team in Springfield, VA.
 

The Software Developer will leverage their strong technical background and knowledge to design, develop, and maintain software applications supporting operational analysis. You will ensure software meets technical requirements, security standards, and user needs while contributing to architectural decisions and technical roadmap planning.
 

Responsibilities include but are not limited to:

  • Designing and developing complex software systems and applications to support mission operations.
  • Writing clean, scalable, and well-documented code while leading code reviews to ensure adherence to best practices.
  • Managing the software development lifecycle and ensuring seamless integration with existing government systems.
  • Implementing security controls and ensuring compliance with all applicable technical and security regulations.
  • Collaborating with data engineering, front-end, and back-end teams to ensure proper system and data integration.
  • Troubleshooting and resolving complex technical issues while providing leadership and mentoring to junior developers.
  • Documenting code, architecture, and system interfaces to maintain a robust and accessible technical library.
     

Minimum Qualifications:

  • Bachelor's degree in Computer Science, Software Engineering, or related field with 8+ years of progressively responsible experience in software development.
  • 3+ years experience in a leadership role.
  • Experience with multiple programming languages and development frameworks such as Python, Java, C++, or JavaScript.
  • Strong understanding of software development principles, data structures, algorithms, and secure coding practices.
  • Experience with various software development methodologies, including Agile and Scrum, and version control systems like Git.
  • Knowledge of cloud platforms, containerization technologies (e.g., Docker, Kubernetes), and both SQL and NoSQL database technologies.
  • Experience and ability to translate complex technical requirements into functional software applications for technical security environments.
     

Preferred Qualifications:

  • Experience with DevOps practices, CI/CD pipelines, and microservices architecture.
  • In-depth knowledge of system design, distributed systems, and performance tuning/optimization.
  • Advanced certifications in cloud technologies or specific programming languages.
  • Self-starter with excellent people skills-able to work across teams and drive technical innovation throughout an organization.
     

Clearance Requirements:

  • An active TS/SCI with the ability to obtain and maintain a polygraph
     

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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