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Sr Fullstack Developer Jobs in Washington (NOW HIRING)

This role is the critical layer between the Senior Director and individual contributors-setting the ... Prior experience leading or managing fullstack engineering teams, with concrete examples of raising ...

Full Stack Developer

Chantilly, VA · On-site

$160K - $175K/yr

JTEC Consulting is hiring Full Stack Developers with mid-senior level experience supporting a ... Ability to work on-site. #FullStack #Python #Bootstrap #ReactJS #MongoDB #Elasticsearch JTEC ...

Full Stack Developer

Chantilly, VA · On-site

$160K - $175K/yr

JTEC Consulting is hiring Full Stack Developers with mid-senior level experience supporting a ... Ability to work on-site. #FullStack #Python #Bootstrap #ReactJS #MongoDB #Elasticsearch JTEC ...

... fullstack platform designed for hybrid, multicloud environments. Join theAI Modelsteam at Splunk ... and developer productivity. You will help define the technical strategy, guide execution from ...

Position: FullStack java Developer Location: Irving TX/ Ashburn, VA and Alpharetta GA Location ... status to senior technology and business sponsors. Develop and introduce new proposals and ...

Showing results 41-59

Sr Fullstack Developer information

What is a Sr Fullstack Developer?

A Sr Fullstack Developer is an experienced software engineer who is proficient in both frontend and backend development. They work with a variety of programming languages, frameworks, and databases to build fully functional web applications. In addition to coding, senior fullstack developers often lead projects, mentor junior developers, and help make architectural decisions. Their broad skill set allows them to handle tasks across the entire technology stack, ensuring that applications are efficient, scalable, and user-friendly.

What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?

Sr Fullstack Developers often need to juggle tasks across both the front-end and back-end, which can be challenging when priorities shift quickly or deadlines are tight. Balancing deep technical knowledge in multiple frameworks and languages while ensuring seamless integration requires strong organizational skills and effective communication with both UI/UX designers and backend engineers. Additionally, staying updated with evolving technologies on both ends is crucial, so time management and continuous learning are key to success in this role.

What are the key skills and qualifications needed to thrive as a Sr Fullstack Developer, and why are they important?

To thrive as a Sr Fullstack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, typically supported by a computer science degree or equivalent experience. Familiarity with tools such as Git, Docker, CI/CD pipelines, cloud platforms, and relevant certifications like AWS Certified Developer or similar are often expected. Strong problem-solving abilities, effective communication, and a collaborative mindset are vital soft skills for this role. These competencies enable developers to deliver robust, scalable solutions and effectively drive projects to completion in dynamic team environments.

What is the difference between Sr Fullstack Developer vs Backend Developer?

AspectSr Fullstack DeveloperBackend Developer
Required SkillsProficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java)Specialized in server-side languages and database management
Work EnvironmentWorks on both client-facing and server-side componentsFocuses primarily on backend systems and APIs
Common UsageUsed across full product development teamsPrimarily in backend-focused roles within development teams

The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.

What cities in Washington are hiring for Sr Fullstack Developer jobs?

Cities in Washington with the most Sr Fullstack Developer job openings:

Infographic showing various Sr Fullstack Developer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution.

Senior Software Engineer 3 or 4

RBR-Technologies

Linthicum Heights, MD

$120K - $158K/yr

Full-time

Medical, Retirement, PTO

Re-posted 12 days ago


Job description

Do you love having fun, building real camaraderie, and being part of a company that shows up for its community? At RBR, we combine mission-focused work with a people-first culture, competitive salaries, and a benefits package that actually makes life better. If you want to grow, contribute, and enjoy the journey along the way, join RBR! We are a small service-disabled veteran-owned information and technology business founded on the basic principle of delivering customer mission success.

RBR-Technologies is seeking a Senior Software Engineer (level 3 or 4) with attribute-based access control (ABAC) implementation experience to join our team and drive the evolution of capabilities powering Zero Trust across DoD environments! Could it be you?

Responsibilities associated with the position include:

  • Developing and supporting AdmitIT, a new ICAM product.
  • Building, automating, and managing product installations for DoD customers.
  • Work across fullstack Java, SpringBoot, microservices, and DB technologies.
  • Supporting integration and containerization pipelines.

Additional responsibilities associated with the position include:

  • Developing, maintaining, and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real time systems, and business management information systems) based upon documented requirements.
  • Providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
  • Reviewing and testing software components for adherence to the design requirements and documenting test results.
  • Resolving software problem reports.
  • Utilizing software development and software design methodologies appropriate to the development environment.
  • Working individually or as part of a team.

Basic Qualifications:

  • Active TS/SCI Polygraph
  • Fullstack Java development.
  • Experience with SpringBoot, REST, PKI/TLS/SSL, ElasticSearch.
  • Experience with Oracle/MySQL/MongoDB/PostgreSQL.
  • Experience with JSON/XML, GitLab CI/CD pipelines.
  • Level 3: At least 8 years of related experience, along with a Bachelor's degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines AND 3 years of work experience in the SIGINT, IA, or IT domains. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 12 years.
  • Level 4: At least 12 years f related experience, along with a Bachelor's degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines AND 5 years of work experience in the SIGINT, IA, or IT domains. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 16 years.

Preferred Qualifications:

  • Experience with Terraform, Azure/AWS IAC.
  • Linux scripting (Bash, C, Python), Docker/Kubernetes, Puppet/Ansible.

A career at RBR-Technologies doesn't mean you have to make sacrifices in other areas of your life.

  • Best in class health benefits plan
  • Generous 401k with matching
  • Flexible work policies and schedules (dependent upon contract)
  • Generous Paid Time Off + All Federal Holidays
  • Special paid leave for: Bereavement, Voting, Military, and more
  • Paid Volunteer Hours for Community Outreach
  • Paid Parental Leave
  • Family-Friendly Company Paid Events
  • Annual Pet Insurance Benefit

Equal Employment Opportunity has been, and will continue to be, a fundamental principle at RBR-Technologies, where employment is based on personal capabilities and qualifications without discrimination because of race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any protected characteristic as established by law. This policy of Equal Employment Opportunity applies to all policies and procedures relating to recruitment, employment, promotion, transfer, training, working conditions, compensation, benefits, termination, and all other conditions of employment.