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Senior Backend Developer Jobs in Washington (NOW HIRING)

Quidient

Senior Backend Engineer

Columbia, MD · On-site

$100K - $120K/yr

Overview Quidient is hiring a Senior Backend Software Engineer to own the backend systems and cloud infrastructure that power our GSR Platform. You will take full ownership of the API layer, cloud ...

Quid, Inc.

Senior Backend Engineer

Columbia, MD · On-site

$100 - $125/hr

Overview Quidient is hiring a Senior Backend Software Engineer to own the backend systems and cloud infrastructure that power our GSR Platform. You will take full ownership of the API layer, cloud ...

C-MCI

Java Backend Developer - Senior

Ashburn, VA · On-site

$123K - $160K/yr

JAVA Backend Developer (Senior) Location: Ashburn VA Why CMCI? CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly ...

Quevera

Senior Backend API Engineer

Linthicum, MD · On-site

$100 - $125/hr

Quevera is seeking a highly skilled Senior Backend API Engineer with an active TS/SCI clearance with Polygraph to support mission‑critical programs in Linthicum, Maryland. In this role, you will ...

SAIC

Java Backend Developer Senior

Ashburn, VA · Hybrid

$120K - $160K/yr

Working closely with the tech lead and senior developers, the Backend Developer will participate in the system architecture design, development, integration testing and validation, and all aspects of ...

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$120K - $160K/yr

Working closely with the tech lead and senior developers, the Backend Developer will participate in the system architecture design, development, integration testing and validation, and all aspects of ...

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$120K - $160K/yr

Working closely with the tech lead and senior developers, the Backend Developer will participate in the system architecture design, development, integration testing and validation, and all aspects of ...

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 ...

Viderity

Backend Developer - Senior

Washington, DC · On-site

$70K - $73K/yr

Leads the design, development, and implementation of scalable backend services to support business requirements. Follows Agile methodologies and drives engineering excellence through architectural ...

Saic

Java Backend Developer Senior

Ashburn, VA · On-site

$125 - $150/hr

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 ...

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 ...

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Senior Backend Developer information

See Washington salary details

$72.5K

$158.4K

$215.8K

How much do senior backend developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior backend 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 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 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 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 most commonly searched types of Backend Developer jobs in Washington?

The most popular types of Backend Developer jobs in Washington are:

What are popular job titles related to Senior Backend Developer jobs in Washington?

For Senior Backend Developer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Senior Backend Developer jobs in Washington look for?

The top searched job categories for Senior Backend Developer jobs in Washington are:

What cities in Washington are hiring for Senior Backend Developer jobs?

Cities in Washington with the most Senior Backend Developer job openings:

Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Washington as of August 2026, with employment types broken down into 83% Full Time, 4% Part Time, and 13% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $158,381 per year, or $76.1 per hour.

Senior Backend Engineer

Columbia, MD • On-site

Quidient
Software Development • 11 - 50 employees
Learn more about Quidientexternal

$100K - $120K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 21 days ago

Key responsibilities

  • Own and evolve the backend API layer that enables integration with Quidient's 3D reconstruction and processing platform.

  • Design, maintain, and operate microservice architectures and cloud infrastructure on AWS for processing and delivering 3D scene data.

  • Monitor system performance, troubleshoot issues, and maintain platform uptime for production workloads.

Job description

Overview

Quidient is hiring a Senior Backend Software Engineer to own the backend systems and cloud infrastructure that power our GSR Platform. You will take full ownership of the API layer, cloud architecture, and backend services that move complex 3D scene data from mobile capture through processing and delivery via Quidient Reality.

This is a hybrid position, meaning that you will need to live within easy driving distance to our Technology Center in Columbia, Maryland.

What You'll DoAPI & Backend Architecture
  • Own and evolve the backend API layer that enables commercial partners and internal applications to integrate with Quidient's 3D reconstruction and processing platform.
  • Design and maintain microservice architectures that handle the flow of 3D scene data from mobile capture through cloud-based processing and delivery.
  • Build and operate cloud infrastructure on AWS - including compute, storage, networking, and serverless components - with a focus on reliability, security, and cost efficiency.
  • Implement and maintain CI/CD pipelines, containerized deployments (Docker), and infrastructure-as-code to streamline the software delivery process.
Platform Reliability & Operations
  • Monitor system performance, troubleshoot backend and cloud issues, and maintain platform uptime for production workloads.
  • Design and implement systems for computational offloading - moving high-performance, low-latency processing from edge devices to cloud infrastructure.
  • Implement security best practices including IAM policies, encryption at rest and in transit, and authentication protocols (OAuth/OpenID).
System Contribution & Collaboration
  • Contribute production-quality code in Python and/or Node.js across backend services and infrastructure.
  • Work closely with the platform engineering manager and cross-functional teams to prioritize backend work that unblocks product delivery.
  • Identify and resolve technical debt, performance bottlenecks, and scalability gaps in the backend stack proactively.
What You BringMust-Have Qualifications:
  • Bachelor's degree in Computer Science or a related field - or equivalent demonstrated experience.
  • 4+ years of professional experience building and maintaining backend systems and APIs in production environments.
  • Solid backend architecture skills - you can design APIs, data models, and service boundaries that hold up under real production load.
  • Strong experience with AWS at the application layer - Lambda, API Gateway, S3, EC2, ECS/EKS, CloudFormation, or equivalent services.
  • Hands-on experience with Docker, containerized deployments, and microservice architecture.
  • Strong Python and/or Node.js skills in a production backend context.
  • Experience with CI/CD pipelines, automated testing, and infrastructure-as-code.
  • This position is not eligible for H-1B sponsorship.
  • Willingness to work on-site in Columbia, MD, in a hybrid capacity.
  • Meet Quidient, customer, and government security requirements, which may include, but are not limited to a background check, citizenship verification, and Criminal Justice Information Services verification.
Nice-to-Have Qualifications:
  • Familiarity with serverless architecture (AWS Lambda) and event-driven backend design.
  • Solid understanding of networking concepts.
  • Knowledge of security best practices including IAM, encryption, and OAuth/OpenID implementation.
  • Background in 3D imaging, computer vision, or graphics processing pipelines.
  • Experience with high-performance computing or low-latency data processing.
  • Experience at an AWS consulting partner, service company, or in an AWS-heavy product engineering environment.
What We OfferCompensation:
  • Salary Range: $100,000 - $120,000.
  • Annual bonus and equity as appropriate.
Benefits:
  • Health insurance
  • HSA
  • 401(k) with company match
  • Life & disability insurance
  • Paid holidays & generous PTO
  • Opportunities for bonuses, equity, and career growth
Equal Opportunity Employer Statement

Quidient is an Equal Opportunity Employer. Quidient will consider all qualified applicants without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other classification protected by applicable state, federal, or local laws.

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