Top 33 back end developer Jobs in hagerstown md

Senior Software Engineer
Leidos —Maryland
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- 6 years
- System design
- Master's degree
Contract Software Engineer - AI Trainer
DataAnnotation —Frederick, MD
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
Software Engineer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
14d
Staff Software Engineer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
14d
C#/.Net Developer - II
Syms Strategic Group, LLC (SSG) —Hagerstown, MD
- $85,389 - $116,975 a year
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
3h
C#/.Net Developer
Syms Strategic Group, LLC (SSG) —Frederick, MD
- $85,389 - $116,975 a year
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
7d
Sr Software Engineer (React, JavaScript, .net)
Fiserv —Hagerstown, MD
- $90,000 - $127,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
- Employee stock purchase plan
- Paid holidays
5d
Full Stack Developer - AI Trainer
DataAnnotation —Maryland
- $50 - $100 an hour
- Contract
- Remote
- Mid-level
- In-person
- Flexible schedule
14d
Senior Full Stack Application Developer
Integration Resolve, Inc. —Frederick, MD
- $120,000 - $175,000 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
- Profit sharing
Quick Apply
12d
Salesforce Developer
Tata Consultancy Services —Frederick, MD
- $120,000 - $140,000 a year
- Computer Science
- Mid-level
- Bachelor's degree
Senior Systems Engineer (AWS Cloud Application)
Syms Strategic Group, LLC (SSG) —Frederick, MD
- $85,389 - $116,975 a year
- Full-time
- Remote
- Computer Science
- System design
- HIPAA
7d
Full Stack Developer
a1FED —Frederick, MD
- Full-time
- Hybrid work
- Computer Science
- 5 years
- Mid-level
Membership Platform Engineer (WordPress & Billing Systems)
Confidential —United States
- Up to $125,000 a year
- Full-time
- Remote
- Background check
- 5 years
- Databases
- Health insurance
- Dental insurance
Quick Apply
6d
QA Engineer (Remote)
Vector Airport Systems —United States
- $80,000 - $100,000 a year
- Full-time
- Remote
- Background check
- Azure
- 3 years
- AD&D insurance
- Disability insurance
5d

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Staff Software Engineer - AI Trainer
DataAnnotation —Dublin, OH
A bachelor’s degree (completed or in progress). Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python…
$50 - $100 an hour
Embedded Systems Developer - AI Trainer
DataAnnotation —Dublin, OH
A bachelor’s degree (completed or in progress). Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python…
$50 - $100 an hour

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back end developer jobs near hagerstown md

Senior Software Engineer

Leidos -
Maryland

Apply Now

Job Details

Full-time
$107,900 - $195,050 a year

Qualifications

Data Integration (Data management)
Microservices
Database software proficiency

Full Job Description

Description

Leidos is seeking a TS/SCI cleared Senior Software Engineer to join our mission-driven team. This role supports our client’s efforts to design and implement a cutting-edge data-centric architecture leveraging cloud-based computing, artificial intelligence (AI), machine learning (ML), and cross-domain transfer systems.

Why Join Us?

At Leidos, we believe in empowering our employees through training, teamwork, and exposure to challenging technical work. As part of our all-star team, you’ll have the opportunity to accelerate your career path while contributing to impactful projects that make a difference.

We offer:

Flexible work arrangements (remote and on-site in Bethesda, MD).
A collaborative environment that values innovation and professional development.
Opportunities to work on mission-focused solutions with cutting-edge technologies.

About the Role:

As a Senior Software Engineer, you will:

Work in a DevSecOps environment to ensure the availability of biometric systems and data for end users.
Lead the integration, maintenance, and monitoring of software systems to ensure constant availability of technical resources.
Design, implement, and enhance complex software systems, including processing-intensive analytics, real-time systems, and business management information systems.
Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop enterprise AFEM (Automated Facial Extraction and Matching) capabilities.
Participate in test, staging, and production deployments, ensuring system reliability and performance.

Key Responsibilities:

Develop and maintain software applications using C#
Implement API development, ETL processes, and enterprise search capabilities (e.g., Elasticsearch).
Utilize DevOps tools like GitLab or Jenkins for CI/CD practices.
Monitor automated system integration tests and resolve system abnormalities.
Foster collaboration within the team to deliver high-quality solutions to customers.

Required Qualifications:

Education: Bachelor’s Degree with 8+ years of relevant experience or Master’s Degree with 6+ years of relevant experience. Additional years of experience may be substituted for a degree.
Clearance: Active Top Secret/SCI clearance with the ability to obtain and maintain Poly.
Technical Skills:
- Proficiency in C# programming and API development.
- Knowledge of SQL Server, ETL processes, and application-level security.
- Hands-on experience with microservices and logging systems.

Preferred Qualifications:

Familiarity with biometric systems and SDKs.
Experience with containerization (e.g., Docker) and DevOps tools
Experience with AWS cloud-based architecture and services like Lambda.
Experience with GPU for processing using CUDA, PyTorch, etc.
Knowledge of GraphQL, Python, Bash, Apache NiFi, and Kafka.
Active certifications such as Security+ or CE.
Proficiency with Linux server management and tools optimized for cross-platform environments.

#NMECDTP-Leidos

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

May 4, 2026

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 $107,900.00 - $195,050.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Refine Your Search

back end developer jobs in hagerstown md

Senior Software Engineer

Contract Software Engineer - AI Trainer

Software Engineer - AI Trainer

Staff Software Engineer - AI Trainer

C#/.Net Developer - II

C#/.Net Developer

Sr Software Engineer (React, JavaScript, .net)

Full Stack Developer - AI Trainer

Senior Full Stack Application Developer

Salesforce Developer

Senior Systems Engineer (AWS Cloud Application)

Full Stack Developer

Membership Platform Engineer (WordPress & Billing Systems)

QA Engineer (Remote)

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