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Senior Backend Developer Jobs in Washington, DC (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 ...

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 ...

Set of X

Backend Software Engineer

Annapolis, MD · On-site

You will act as a senior backend developer for a new system being developed from the ground up to provide workflow automation, modernization, oversight, and mission cognizance for mission critical ...

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 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 · 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 ...

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 · 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 ...

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All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in Washington, DC

Senior Backend Developer information

See Washington, DC salary details

$72.5K

$158.3K

$215.7K

How much do senior backend developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior backend developer in Washington, DC is $158,323.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,400.00 and $177,200.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What are the key skills and qualifications needed to thrive as a senior backend developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.
What are the most commonly searched types of Backend Developer jobs in Washington, DC? The most popular types of Backend Developer jobs in Washington, DC are:
What are popular job titles related to Senior Backend Developer jobs in Washington, DC? For Senior Backend Developer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior Backend Developer jobs in Washington, DC look for? The top searched job categories for Senior Backend Developer jobs in Washington, DC are:
Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Washington, DC as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $158,323 per year, or $76.1 per hour.

Back-End Developer, Senior/Mid

Semper Valens Solutions

Fort George G Meade, MD • On-site

$134K - $174K/yr

Full-time

Re-posted 27 days ago

Job description

Back-End Developer, Senior/Mid

Full Time Fort Meade, MD

Top Secret/SCI Clearance


**This position is contingent upon contract award**

Job Description:

Job Responsibilities:

  • Provides subject matter proficiency for work described in the task.
  • Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements.
  • Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties.
  • Requires expertise in specialty areas.
  • Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.

Required Qualifications:

  • Bachelor's degree in related field required.
  • 10 years (Senior)/7 years (Mid) of experience in the functional area. A Master's degree may substitute for 2 years of experience.
  • 10 years (Senior)/7 years (Mid) of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.
  • 5 years (Senior)/3 years (Mid) of experience performing back-end web design and development.
  • Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
  • Demonstrated experience in relational databases, RESTful API development and communication, and system integrations for Mid-level or 10 years for Senior-level.
  • 5 years of experience in Python and PostgreSQL for Senior-level.
  • 5 years (Senior)/3 years (Mid) of experience with bug tracking software (e.g., Jira).
  • 5 years (Senior)/3 years (Mid) of experience testing web-based applications.
  • 5 years of experience leading (Senior) or 3 years participating (Mid) in software development programs or projects.
  • Practical experience developing in a cloud environment.
  • 3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.
  • 5 years of experience with at least five (5) of the following:
    Postgress, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat
  • Experience with integrating data from unclassified to classified application deployments for Mid-level.

Desired Qualifications:

  • 5 years of experience with DoW software development.
  • Experience using Agile Test-Driven development.
  • Experience integrating into DoW DevSecOps environments.
  • 5 years of experience with CI/CD software development.
  • Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).
  • Experience structuring data so it can be integrated into machine learning technologies or AI capabilities

About Semper Valens Solutions:

Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.

At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks and operational processes.

We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.

Semper Valens Solutions is an Equal Opportunity Employer

Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.

Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.

All Jobs at Semper Valens Solutions: https://sempervalens.com/careers