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Senior Back End Developer Jobs in Washington (NOW HIRING)

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$123K - $160K/yr

SAIC is currently seeking a motivated, career and customer-oriented Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA. This role involves ...

nitra

Senior Backend Engineer

Washington, DC · Hybrid

... senior staffers, and a co-founder of CityMD. Nitra maintains a hybrid work policy, with team ... A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ...

nitra

Senior Backend Engineer

Washington, DC · Hybrid

... senior staffers, and a co-founder of CityMD. Nitra maintains a hybrid work policy, with team ... A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ...

Twenty

Senior Backend Engineer

Washington, DC

Role Summary You'll build the backend systems that power Twenty's cyber and electromagnetic ... Collaborate with frontend engineers on API contracts and data structures that are efficient and ...

Twenty

Senior Backend Software Engineer

Arlington, VA · On-site

The Senior Backend Software Engineer will build backend systems that support cyber capabilities, working on high-performance APIs and complex data modeling to improve operational effectiveness.

SmartIPlace

Senior Java Backend Developer

Mclean, VA · On-site

$121K - $158K/yr

Senior Java Backend Developer Location: McLean, VA Interview Type: In Person Interview Work Authorization: This requirement is open to sponsored candidates through sub-vendors - one layer deep. Must ...

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$120K - $160K/yr

ORA_ON_SITE Description SAIC is currently seeking a motivated, career and customer-oriented Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA.

SAIC

Java Backend Developer Senior

Ashburn, VA · Hybrid

$120K - $160K/yr

Working closely with the tech lead and senior developers, the Java Developer will participate in ... back-end application involving extensive Messaging and Transaction processing. * Must be hands on ...

SAIC

Java Backend Developer Senior

Ashburn, VA · Hybrid

$120K - $160K/yr

ORA_ON_SITE Description SAIC is currently seeking a motivated, career and customer-oriented Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA.

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$120K - $160K/yr

Description SAIC is currently seeking a motivated, career and customer-oriented Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA. This position ...

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All JobsBack End Developer JobsSenior Back End Developer JobsSenior Back End Developer Jobs in Washington

Senior Back End Developer information

See Washington salary details

$72.5K

$158.4K

$215.8K

How much do senior back end developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for senior back end developer in Washington is $158,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,500.00 and $177,300.00 per year, depending on experience, location, and employer.

What are some common challenges senior back end developers face when working on large-scale systems?

Senior Back End Developers often encounter challenges such as ensuring system scalability, maintaining high performance under increased load, and designing robust APIs that can evolve over time. They must also address complex data consistency issues and integrate with multiple third-party services or legacy systems. Collaborating closely with front end, DevOps, and QA teams is crucial to align on architecture decisions and streamline deployment processes, making strong communication and problem-solving skills essential.

What is the difference between Senior Back End Developer vs Backend Engineer?

AspectSenior Back End DeveloperBackend Engineer
Required CredentialsBachelor's in CS or related field, experience in backend developmentBachelor's in CS or related field, experience in backend systems
Work EnvironmentCollaborates with front-end developers, product managers, and QA teamsWorks on server-side logic, database integration, and API development
Industry UsageCommon in tech companies, startups, and enterprise software firmsUsed across similar industries, often interchangeably with Senior Back End Developer

Both roles require similar technical skills and educational backgrounds, focusing on server-side development. The main difference lies in the seniority level and scope of responsibilities, with Senior Back End Developers typically taking on more leadership and complex project tasks compared to Backend Engineers.

What are the key skills and qualifications needed to thrive as a senior back end developer?

To thrive as a Senior Back End Developer, you need advanced programming skills (such as in Python, Java, or Node.js), a deep understanding of server-side architecture, and experience with databases, often backed by a degree in computer science or related fields. Familiarity with frameworks (like Django or Spring), RESTful APIs, cloud platforms (AWS, Azure, or GCP), and version control systems (such as Git) is typically required, along with relevant certifications. Strong problem-solving, collaboration, and communication skills help you deliver robust solutions and mentor junior developers. These skills ensure scalable, secure, and maintainable back-end systems that are vital for reliable business operations.

What is a senior back end developer?

Senior Back End Developers are experienced software engineers who specialize in building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They collaborate with front end developers and other team members to ensure seamless integration and optimal performance of applications. Their responsibilities often include designing system architecture, optimizing code for scalability, implementing security best practices, and mentoring junior developers. Senior Back End Developers typically have several years of experience and a deep understanding of programming languages such as Java, Python, Ruby, or Node.js.
What are the most commonly searched types of Back End Developer jobs in Washington? The most popular types of Back End Developer jobs in Washington are:
What are popular job titles related to Senior Back End Developer jobs in Washington? For Senior Back End Developer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Senior Back End Developer jobs in Washington look for? The top searched job categories for Senior Back End Developer jobs in Washington are:
Senior Back End Developer jobs near you
Infographic showing various Senior Back End Developer job openings in Washington as of August 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 72% In-person, 2% Hybrid, and 26% Remote job distribution, with an average salary of $158,381 per year, or $76.1 per hour.

Senior Backend Software Engineer

Ennoble First Inc.

Gaithersburg, MD • On-site

Full-time

Re-posted 22 days ago

Job description

Job Summary:
Ennoble First is a company supporting and securing complex government, defense, and intelligence projects. They are seeking a Senior Backend Software Engineer to develop scalable backend services for a high-visibility application used for data analysis and operational decision-making.
Responsibilities:
• Backend Development: Design, develop, test, and maintain backend services using Java or Python
• REST API Development: Design and implement RESTful services to support application functionality and integrations
• Object-Oriented Design: Apply strong object-oriented design principles to build scalable and maintainable systems
• Database Development: Write and optimize SQL queries to support application functionality and performance
• Data Source Integration Coordination: Coordinate with external teams to understand data sources, interfaces, and access patterns, and translate requirements into backend integrations
• System Design Contribution: Participate in technical design discussions and contribute to backend architecture decisions
• Linux Environments: Develop, deploy, and troubleshoot applications within Linux-based environments
• System Troubleshooting: Diagnose and resolve issues across application and database layers
• Code Quality & Best Practices: Participate in code reviews and ensure adherence to engineering standards
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or a related field with 8–12 years of experience; or a Master's degree with 6–10 years of experience
• Active TS/SCI clearance with the ability to successfully pass a Polygraph
• Strong professional experience developing backend applications in Java or Python
• Proven ability to design and develop RESTful APIs that support scalable application functionality
• Solid SQL experience, including writing and optimizing queries across relational databases
• Confident working in Linux-based environments
• Ability to work independently and drive solutions to moderately complex and complex technical challenges
Preferred:
• Experience with Apache Airflow or similar workflow orchestration technologies
• Experience with geospatial data and querying (e.g., PostGIS)
• Experience with Spring Boot, Django, or similar backend frameworks
• Experience with CI/CD pipelines (GitLab, Jenkins, etc.)
• Familiarity with containerization (Docker, OpenShift, Kubernetes)
• Exposure to cloud environments (AWS or Azure)
• Experience working in Agile development environments
Company:
Cutting-Edge Engineering Firm delivering an AI and Data Centric Solutions Model that automates the mundane to better utilize human decision making for mission critical actions. Founded in 2014, the company is headquartered in Columbia, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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