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Internship Senior Software Engineer Jobs in Washington

Platinum Technologies

Senior Software Engineer

Herndon, VA · On-site

$126K - $166K/yr

The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management ...

Platinum Technologies

Senior Software Engineer

Herndon, VA · On-site

$126K - $166K/yr

The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management ...

Doist

Senior Software Engineer

Herndon, VA · On-site

$140 - $180/hr

The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management ...

Platinum Technologies

Senior Software Engineer

Herndon, VA

$126K - $166K/yr

The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management ...

Mastercard, Inc.

Senior Software Engineer

Arlington, VA · On-site

$140K - $185K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Platinum Technologies

Senior Software Engineer

Herndon, VA

$126K - $166K/yr

The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management ...

Visionist, Inc.

Senior Software Engineer

Columbia, MD · On-site

$119K - $157K/yr

They are seeking a Senior Software Engineer to lead software development efforts, collaborate with teams, and ensure quality throughout the development lifecycle. Responsibilities : • Lead the ...

2HB Incorporated

Sr. Software Engineer

Annapolis, MD · On-site

$121K - $159K/yr

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Sr. Software Engineer in order to support its government customer in Annapolis ...

Alarm.com

Senior Software Engineer

Tysons Corner, VA · On-site

$123K - $162K/yr

Senior Software Engineer - Access Control Are you ready to redefine access control and develop cutting-edge security solutions that make businesses smarter and safer? Do you enjoy leading technical ...

Exiger

Senior Software Engineer

Mclean, VA · On-site

$123K - $163K/yr

Senior Software Engineer Location: McLean, VA or Richmond, VA Work Environment: Hybrid Role Sumary: As a Senior Software Engineer at Exiger, you will be responsible for designing and developing ...

Visionist, Inc.

Senior Software Engineer

Columbia, MD · On-site

$119K - $157K/yr

They are seeking a Senior Software Engineer to lead technical direction, improve software solutions, and ensure quality throughout the development lifecycle while collaborating with multiple teams ...

Omni Federal

Senior Software Engineer

Springfield, VA · On-site

$180K - $202K/yr

Senior Software Engineer Location: St. Louis, MO OR Springfield, VA Security Clearance: Active TS/SCI (or SCI eligibility) We question. We listen. We adapt. Be honest. Be pragmatic. Omni Federal, a ...

ActioNet, Inc.

Senior Software Engineer

Silver Spring, MD · On-site

$126K - $167K/yr

Description ActioNet has an opening for a Senior Software Engineer requiring a Public Trust clearance located s Hybrid (1-2 days on-site) in Silver Spring, MD . ActioNet is an IT service provider and ...

ActioNet

Senior Software Engineer

Silver Spring, MD · On-site

$126K - $167K/yr

Description ActioNet has an opening for a Senior Software Engineer requiring a Public Trust clearance located s Hybrid (1-2 days on-site) in Silver Spring, MD . ActioNet is an IT service provider and ...

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Internship Senior Software Engineer information

What does an internship senior software engineer do?

An Internship Senior Software Engineer is typically a student or recent graduate in a senior or advanced stage of their studies who undertakes a software engineering internship. They are responsible for designing, developing, testing, and maintaining software applications under the guidance of experienced engineers. Although still learning, they are expected to have a solid understanding of programming concepts, contribute to team projects, and sometimes mentor junior interns. This role helps bridge academic knowledge with real-world experience in a professional setting.

How does the role of an internship senior software engineer differ from a standard software engineering internship?

An Internship Senior Software Engineer is typically given more complex projects and greater responsibility compared to standard software engineering interns. In this role, you may oversee or mentor junior interns, contribute to architectural decisions, and collaborate more closely with senior team members. This position often involves participating in code reviews, proposing technical solutions, and helping set development standards. It's a great opportunity to develop leadership skills and gain experience similar to full-time senior engineers, which can accelerate your career growth.

What are the key skills and qualifications needed to thrive as an internship senior software engineer, and why are they important?

To thrive as an Internship Senior Software Engineer, you need strong programming skills, knowledge of software development principles, and typically a background in computer science or a related field. Familiarity with version control systems (like Git), development frameworks, and possibly cloud platforms or CI/CD tools is essential. Exceptional problem-solving, teamwork, and communication skills help you excel in collaborative and dynamic environments. These abilities are crucial for contributing effectively to complex projects and adapting to rapidly evolving technical requirements.

What are the most commonly searched types of Senior Software Engineer jobs in Washington?

The most popular types of Senior Software Engineer jobs in Washington are:

Internship Senior Software Engineer jobs near you

Senior Software Engineer

Platinum Technologies

Herndon, VA • On-site

$126K - $166K/yr

Full-time

Posted 17 days ago

Job description

Who we are.
Platinum Technologies is a Northern Virginia based integrated solutions firm that specializes in Cybersecurity, Cloud and Digital Services to the Public Sector. Our team solves hard problems and helps our Mission Partners achieve their goals. If you are self-motivated, possess demonstrated learning agility, and are passionate about delivering high-quality work products - we want to hear from you.
We lead with technical expertise, but that is just the tip of the iceberg - the 'Why' matters. At Platinum, we don't hire people to do a job. We provide professional and leadership development to complement our self-motivated domain experts. Our teammates are dot-connecting leaders that operate in a mutually accountable environment to deliver thought leadership, expert technical analysis, and quality execution for our clients.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.
You.
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 that support Object-Based Intelligence (OBI) mission requirements, enterprise ontologies, and knowledge graph capabilities.
The Senior Software Engineer serves as a key contributor to the design, development, and sustainment of mission-critical software solutions that enable semantic data integration, knowledge management, and advanced analytics. This position develops scalable applications, APIs, and microservices that integrate ontology-driven data models, knowledge graphs, and enterprise data sources to support Object-Based Intelligence workflows. Working within an Agile DevSecOps environment, the Software Engineer collaborates with ontology engineers, database engineers, data scientists, and Government stakeholders to deliver secure, high-performance applications that leverage Semantic Web technologies and AI/ML capabilities.
What you get to do.
  • Design, develop, test, deploy, and maintain software applications and microservices supporting Object-Based Intelligence mission requirements.
  • Develop APIs and backend services that integrate with enterprise ontologies, knowledge graphs, semantic databases, and object-management systems.
  • Implement software solutions that leverage Semantic Web technologies, including RDF, OWL, SPARQL, and graph-based data models, to enable advanced search, reasoning, and data interoperability.
  • Collaborate with ontology engineers, database engineers, data scientists, analysts, and Government stakeholders to translate mission requirements into scalable software solutions.
  • Design and develop secure, containerized applications using modern software engineering practices and cloud-native technologies.
  • Integrate heterogeneous data sources through RESTful APIs, messaging services, and data integration frameworks to support enterprise knowledge management.
  • Develop automated unit, integration, and system tests while supporting continuous integration and continuous deployment (CI/CD) pipelines.
  • Optimize application performance, scalability, and reliability to support high-volume mission operations and advanced analytics.
  • Participate in Agile development activities, including sprint planning, code reviews, technical design sessions, and backlog refinement.
  • Produce and maintain software design documentation, interface specifications, API documentation, and technical implementation guides.
  • Support AI/ML initiatives by developing software services that enable access to semantic data, knowledge graphs, and contextual reasoning capabilities.
  • Provide technical leadership, mentoring, and knowledge transfer activities to Government personnel and project team members on software engineering best practices.

Required Skills.
  • Must be a U.S. citizen and have an active TS/SCI with CI polygraph.
  • Minimum twelve (12) years of experience and an advanced degree or 17 years of experience with a bachelor's degree.
  • Demonstrated experience designing, developing, and maintaining enterprise software applications using modern programming languages such as Java, Python, or C#.
  • Experience developing RESTful APIs, microservices, and distributed applications.
  • Experience integrating applications with relational databases, graph databases, or semantic data platforms.
  • Experience with containerization technologies such as Docker and Kubernetes/OpenShift.
  • Familiarity with Agile software development methodologies, DevSecOps practices, and CI/CD pipelines.
  • Experience with version control systems such as Git.
  • Ability to communicate complex technical concepts effectively to both technical and non-technical stakeholders.

The Company is an Equal Opportunity/Affirmative Action employer. All qualified candidates will receive consideration for employment without regard to disability, protected veteran status, race, color, religious creed, national origin, citizenship, marital status, sex, sexual orientation/gender identity, age, or genetic information.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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