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Senior software developer • usa

Last updated: 4 days ago

Senior Software Developer

LeidosTampa, FL
Full-time

We’re looking for an experienced.The ideal candidate is a strong full-stack engineer who is comfortable working across modern front-end frameworks and.This is a great opportunity to contribute to t...Show more

Senior Software Developer

CompuGroup MedicalRemote, US
Remote
Full-time

Create the future of e-health together with us by becoming a Senior Software Developer.At CompuGroup Medical we have the mission of building ground-breaking solutions for digital healthcare.Our vis...Show more

Senior Software Developer

ActalentNorth Reading, Massachusetts, USA
Permanent

This Senior Software Developer role focuses on building and scaling orchestration software that controls advanced automated work cells, including complex electro-mechanical systems and robotic arms...Show more

Senior Software Developer

GallagherSan Diego, California
Full-time

We’re on the lookout for a Senior Software Developer to join our talented engineering team.In this role, you’ll work on cutting-edge systems that power healthcare insurance operations and electroni...Show more

Senior Software Developer

Intelliforce-IT Solutions GroupAnnapolis Junction, MD, US
Full-time
Quick Apply

Software Engineer (SWE-3) – Mission Application Development Make an Impact Where It Matters Most At Intelliforce, we build software that directly supports national security missions where reliabili...Show more

Senior Software Developer

Cooperidge Consulting FirmTucson, AZ, US
Full-time
Quick Apply

Cooperidge Consulting Firm is seeking a.This is a senior-tier leadership role designed for a tenacious, results-driven architect to work within a multidisciplinary environment alongside mathematici...Show more

Senior Software Developer

INTECONDoral, Florida, United States
Full-time

Hybrid / Onsite at Government Facilities as required.Top-Secret / SCI Eligibility (TS/SCI) required.INTECON is a mission-focused professional services firm supporting Department of Defense and inte...Show more

Software Developer Senior

Crossfire ConsultingNew York, NY
Full-time

Hybrid expectation 3 days onsite, 2 days remote per week.Location: 4IP Irving Place, New York 10003.We are seeking a senior UI Developer with 10+ years of experience.Develop and maintain the Angula...Show more

Senior Software Developer

Fusion TechnologyChantilly, VA, USA
Full-time
Quick Apply

Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's...Show more

Senior Software Developer

ASRC FederalArlington, VA
Full-time

ASRC Federal Holding Company is a premier provider of systems and solutions for a wide variety of federal government customers.We are seeking Technical Leader experienced in guiding teams of.NET de...Show more

Software Developer, Senior

Booz Allen HamiltonHuntsville, AL
Full-time +1

As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment.If you’re looking for the chance to not just develop software, but to create a ...Show more

Senior Software Developer

Avid Technology ProfessionalsBethesda, MD, USA
Full-time

Bachelor’s degree and 8+ years of experience.In lieu of a bachelor’s degree 10 years of experience if AA/AS, or 12 and HS Diploma.Must have experience with Agile.Excellent problem-solving skills an...Show more

SENIOR SOFTWARE DEVELOPER

City of New YorkMANHATTAN
Full-time

The Department of Social Services (DSS) is comprised of the administrative units of the New York City Human Resources Administration (HRA) and the Department of Homeless Services (DHS).HRA is dedic...Show more

Senior Software Developer

Zachary PiperRemote, US
Remote
Full-time

Senior Software Developer (MEAN stack).This position is fully remote!.Responsibilities of the Senior Software Developer include:.Design, develop, test, and maintain microservices using the .Build a...Show more

Senior Software Developer

EAi TechnologiesVienna, VA, US
Permanent
Quick Apply

Loyalty, Recognition, Family, Camaraderie Come experience why so many employees have been with EAI for 5 - 10 + years, and continue to make it their home as the EAI Family expands.Enjoy leading des...Show more

Software Developer-Senior

WinsupplyMoraine, Ohio, United States
Full-time

Will work on the project from Inception to end using IBM LUW, SqlServer, MySQL, Oracle, Mongo Atlas, Couchbase, Java, JavaScript and TypeScript, SQL, HTML and CSS.Will enhance and modernize invoici...Show more

Senior Software Developer

AnaVationChantilly, VA
Full-time

Be Challenged and Make a Difference.In a world of technology, people make the difference.We believe if we invest in great people, then great things will happen.At AnaVation, we provide unmatched va...Show more

Senior Software Developer

Körber Supply Chain LLCIrving, TX, US
Full-time

Pioneer your career! Körber is the home for passionate people who innovate, collaborate and love what they do.Entrepreneurial spirit is our joint DNA.We develop future technologies and support tale...Show more

Senior Software Developer

POWERSAtlanta, GA, USA
Full-time
Quick Apply

CULTUREWORX seeks a Senior Software Developer to join our dynamic team.This position will support our Operational and Cultural Performance Improvement lines of business, along with other subsidiary...Show more

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Senior Software Developer

Senior Software Developer

LeidosTampa, FL
30+ days ago
Job type
  • Full-time
Job description

We’re looking for an experienced Senior Software Developer to join our growing team. The ideal candidate is a strong full-stack engineer who is comfortable working across modern front-end frameworks and .NET back-end technologies. This is a great opportunity to contribute to the architecture, design, and development of scalable, secure, and high-performing business solutions.

Key Responsibilities

  • Design, develop, and maintain web applications using .NET Core, Entity Framework Core, and ReactJS.
  • Implement modern front-end experiences with Vite and other modern build tools.
  • Develop and maintain integrations and customizations within SharePoint (basic knowledge required).
  • Build and optimize MS SQL database structures, queries, and stored procedures.
  • Collaborate with product owners, UX/UI designers, and other developers to deliver high-quality software solutions.
  • Manage CI/CD pipelines and source control using Azure DevOps.
  • Participate in code reviews, technical planning sessions, and architecture discussions.
  • Troubleshoot, debug, and optimize application performance.
  • Follow best practices in security, scalability, and maintainability.

Required Skills & Experience

  • 10+ years of professional software development experience.
  • Active TS/SCI (or Eligible)
  • Bachelors in IT, Cybersecurity, Computer Science, Information Systems, Data Science, or Software Engineering OR Active CSSLP, GSEC, or CISSP-ISSAP
  • Strong proficiency in C#, .NET Core, and Entity Framework Core.
  • Experience with ReactJS and modern front-end workflows (including Vite).
  • Solid understanding of MS SQL Server and relational database design.
  • Familiarity with SharePoint development and integration (basic level).
  • Proficiency with Azure DevOps, Git, and CI/CD pipelines.
  • Proficiency using Visual Studio and/or Visual Studio Code.
  • Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment.

Nice to Have

  • Experience with Azure Cloud services.
  • Familiarity with containerization (Docker, Kubernetes).
  • Knowledge of modern authentication protocols (e.g., OAuth, OpenID Connect).

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

October 29, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $89,700.00 - $162,150.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.