Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Applications Developer

3B Staffing LLC

Position Title: Senior Applications Developer


Location Information


Washington, DC (Onsite, with limited situational telework permitted when approved)
U.S. Citizenship required



Position Responsibilities:

  • Collaborate with business stakeholders, technical teams, analysts, and contractors to modernize legacy data, applications, and code infrastructure serving complex statistical production processes.
  • Develop, maintain, test, and enhance software applications that support highly visible and time-sensitive data production activities.
  • Support the transition from legacy programs and databases to modern programming languages, analytical tools, and SQL-based data platforms.
  • Gain proficiency with legacy programming and database environments (such as FAME) as needed to ensure uninterrupted monthly production workflows and assist ongoing modernization.
  • Utilize modern programming languages and analytical technologies, including but not limited to R, Python, and SQL-based tools.
  • Analyze and evaluate advanced system and application requirements to drive technical improvements.
  • Assess existing applications and identify opportunities for increased performance, maintainability, reliability, and processing efficiency.
  • Design and develop software tools, reusable components, subsystems, and supporting technical frameworks that align with business and technical needs.
  • Translate complex functional and technical designs into robust, maintainable, and scalable software solutions.
  • Create technical documentation including block diagrams, data-flow and logic-flow charts, technical specifications, and other key design artifacts.
  • Test, debug, refine, and validate software throughout the software development lifecycle to ensure required functionality and production reliability.
  • Prepare and maintain comprehensive documentation at the technical, user, and program levels.
  • Manage software configuration and release processes to support controlled and secure deployment cycles.
  • Coordinate closely with infrastructure, IT, communications, and other organizational teams to ensure success of technical and operational activities.
  • Support secure, reliable file-transfer, data-validation, and production-release procedures to maintain data integrity and operational continuity.
  • Stay current with emerging technologies-such as artificial intelligence tools and coding assistants-and determine their appropriate and secure use within the development environment.
  • Work independently and collaboratively within a multidisciplinary team to develop a deep understanding of complex data structures, business rules, processing requirements, and system dependencies.
  • Demonstrate strong project ownership and attention to detail by consistently meeting deadlines and supporting time-sensitive production and release schedules.
Essential Skills, Experience
  • Bachelor's degree in computer science, physics, economics, or a related quantitative discipline.
  • Minimum of seven (7) years' experience as a programmer, developer, or systems analyst supporting application development in enterprise or data-intensive environments.
  • Significant professional programming experience in R or Python, including end-to-end development and production deployment.
  • Demonstrated ability to develop software in accordance with established Software Development Life Cycle (SDLC) best practices and methodologies.
  • Strong understanding of software analysis, design, development, testing, debugging, deployment, and maintenance in robust production settings.
  • Experience analyzing business and technical requirements, and translating them into sound application design and technical specifications.
  • Familiarity with designing technical artifacts such as block diagrams, logic-flow charts, and data-flow diagrams.
  • Track record of testing, debugging, refining, and documenting production-grade software applications.
  • Experience reviewing legacy or existing programs to drive performance, reliability, and maintainability enhancements.
  • Well-developed analytical and problem-solving capabilities to address complex system challenges.
  • Ability to quickly comprehend complex data structures, system dependencies, and detailed business logic.
  • Excellent written and verbal communication skills for both technical and non-technical audiences.
  • Demonstrated reliability, initiative, and ability to deliver results on time-sensitive or mission-critical projects.
  • Strong track record of working both independently and collaboratively as part of multidisciplinary teams.
  • U.S. Citizenship is required for consideration.
Qualifications:
  • Experience developing with both R and Python is highly desired.
  • Familiarity with FAME programming or FAME database software is a plus.
  • Experience working with SQL-based platforms, DuckDB, or similar analytical database technologies is strongly preferred.
  • Direct experience modernizing legacy application, programming, or database environments is a plus.
  • Background supporting statistical, economic, financial, scientific, or other data-intensive application environments is highly beneficial.
  • Experience supporting recurring production systems with strict release schedules is advantageous.
  • Knowledge of software configuration management tools and industry best practices.
  • Familiarity with formal specifications, accepted software-design techniques, and Computer-Aided Software Engineering (CASE) tools is desirable.
  • Experience utilizing AI tools or coding assistants in a controlled development environment is a plus.
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Applications Developer in Washington DC vacancy
  • ASRC Federal Technology Solutions is seeking a Senior .Net Application Developer to support the critical mission of the Drug Enforcement Administration (DEA). We are developing the applications that provide the tools necessary for our drug enforcement agents and the greater... 
    Senior

    ASRC Federal Holding Company

    Arlington, VA
    5 days ago
  •  ...Senior Application Developer A Place Unlike Any Other, Home Away From Home… Monuments and memorials, eclectic neighborhoods, true local flavor – Washington, DC is a place unlike any other. It's your home away from home with free museums and America's front yard.... 
    Senior
    Local area

    KurzSolutions

    Washington DC
    4 days ago
  •  ...Job Description Citizenship Requirement: Yes Work Experience: Senior Applications Developer will assist with a critical technical infrastructure modernization project for the Board's monthly G.17 statistical release on industrial production and capacity utilization... 
    Senior
    For contractors
    Work experience placement
    Work at office

    Centurion Consulting Group, LLC

    Washington DC
    2 days ago
  •  ...Summary All Native Group, a division of Ho Chunk Incorporated, is seeking a Senior Application Developer to support a Federal Agency enterprise data management program. Working within the SearchPlus and application development team, the Senior Application Developer... 
    Senior
    Full time
    Contract work
    Work at office
    Flexible hours

    All Native Group

    Arlington, VA
    5 days ago
  •  ...tackle their most complex challenges with integrity, respect, responsibility, and professionalism.V2X is seeking a Senior Data Analytics/Application Developer to provide data analytics and application development support services to the Navy International Programs Office... 
    Senior
    Work at office

    V2X

    Washington DC
    3 days ago
  •  ...Senior.Net Application Developer AVER is a fast-growing SDVOSB that has achieved significant revenue growth over the past 5 plus years with much of our work focused on Data Analytics, Mission Support, IT Modernization and Biometrics. AVER is seeking a Senior.Net Application... 
    Senior
    2 days per week

    AVer USA

    Washington DC
    3 days ago
  • $120k - $130k

    Overview Next generational energy company seeking an experienced Senior Application Developer to join our growing talented company. Base pay range $120,000.00/yr - $130,000.00/yr Why join us Competitive salary and bonus structure Opportunities for professional growth and... 
    Senior
    Local area

    Jobot

    Washington DC
    5 days ago
  •  ...by using our proven customer-centric, value-driven business practices and service delivery methodologies. As an Senior Appian Application Developer who is passionate about delivering value to your customers, you will be working closely with an equally... 
    Senior
    Remote work

    Nüvitek

    Arlington, VA
    more than 2 months ago
  •  ...to delivering value in the government contracting space. The following role is contingent upon award. The TRIRIGA Senior Application Developer is responsible for system updates, patching, performance tuning, and configuration changes. The Application Developer supports... 
    Senior
    For contractors

    Essnova Solutions, Inc.

    Washington DC
    more than 2 months ago
  •  ...Job Description Job Description The Application Software Developer/Engineer will provide web application software development and Operations & Maintenance (O&M) support using the Drupal (LAMP Stack) platform for NAL core applications. The successful candidate will... 
    Senior

    One Federal Solution

    Beltsville, MD
    13 days ago
  •  ...Senior Applications Developer (Operations & Support) Federal Reserve Board | Washington, DC (On-site with Situational Telework) Company: Diverse Agile Solutions (DAS) Employment Type: Full-Time Consultant Work Location: Washington, DC (Federal Reserve Board... 
    Senior
    Full time
    For contractors
    Work at office
    Remote work

    Diverse Agile Solutions

    Washington DC
    a month ago
  •  ...As a Senior Software Developer, you will design, develop, implement, and support high-performance, scalable .NET scientific simulation platforms...  ...content, and news features. Build high-performance applications in C#/.NET using modern development standards and best... 
    Senior
    Work at office
    Local area
    Remote work
    Flexible hours
    3 days per week
    1 day per week
    Washington DC
    8 days ago
  • $115k

     ...responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This...  ...of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy... 
    Senior
    Full time
    Flexible hours

    Synergy Ecp

    Washington DC
    1 day ago
  •  ...As a .NET Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying high-quality software solutions using the .NET framework and associated... 
    Senior
    Full time

    Bow Wave Llc

    Washington DC
    1 day ago
  • $75.2k - $158.1k

    Job Title: Senior Application DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI...  ...intelligence decisions. Set the technical bar for a team of developers working across cloud-native architectures and large-scale data... 
    Senior
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Springfield, VA
    1 day ago
  •  ...Services, a subsidiary of ASRC Federal, is seeking a full-time Senior Salesforce Developer to support our government customer programs. This is a...  ...Qualifications:Salesforce Platform Developer II or Application Architect certificationExperience with Salesforce Government... 
    Senior
    Full time
    Contract work
    Remote work

    ASRC Federal Holding Company

    Washington DC
    4 days ago
  •  ...delivery of an entire piece of a system or application, and serve as a technical lead on medium...  ....Work closely with other engineers to develop the best technical design and approach...  ...metrics.Operate as a software leader and as a senior level individual contributor.... 
    Senior
    Worldwide

    Science Applications International Corporation

    Arlington, VA
    5 days ago
  • $120k - $190k

    OverviewAs a Steampunk Senior Salesforce Application Developer, you will work with Technical/Solutions Architects and Business Analysts to translate business requirements into well‐architected solutions that best leverage the Salesforce platform.  Develop, test, document... 
    Senior
    Work experience placement

    Steampunk

    McLean, VA
    3 days ago
  • $108.01k - $183.61k

     ...DC area in the near future.*We are seeking a SeniorServiceNow Developer to design, develop, and support enterprise ServiceNow solutions...  ...3+ years' experience in CSM or ITSM with deployed Custom Application DevelopmentMust be able to obtain and maintain a Public Trust... 
    Senior
    Full time
    Contract work
    Work experience placement
    Work at office
    Remote work

    ICF

    Washington DC
    4 days ago
  • $130k - $140k

    GovCIO is currently hiring a Senior ServiceNow Administrator/Developer to support our USSS Network Operations and Security Center (NOSC) proposal. This...  ...ServiceNow modules and formsAdminister ServiceNow applications, including updating security and workflow configurationsDesign... 
    Senior
    Currently hiring
    Remote work

    Govcio

    Washington DC
    3 days ago
  •  ...industry player is on the lookout for a talented Power Platform Developer to enhance business productivity through innovative solutions. This role will involve designing and implementing custom applications using Microsoft Power Platform tools, including Power Apps,... 
    Senior

    Unisys

    Washington DC
    1 day ago
  •  ...Overview BigBear.ai is seeking a Senior Application Developer to support the Defense Intelligence Agency (DIA). This position will be based out of Washington, D.C. and will offer remote flexibility. You will be joining our amazing BigBear.ai team to provide... 
    Senior
    Temporary work
    Remote work

    BigBear Inc

    Washington DC
    5 days ago
  • Position: Dynamics Power Platform Developer Senior Level Location: Arlington, VAJob Id: 243...  ...Are you passionate about building secure, scalable business applications that make a real impact in the federal space? We’re looking... 
    Senior
    Permanent employment
    H1b
    Visa sponsorship

    FI Consulting

    Arlington, VA
    3 days ago
  • $130k - $145k

     ...Technica Corporation is seeking a C#/.NET Developer to join our team and support our client...  ..., enhancement, and maintenance of web applications and services that support mission‑critical...  ...role, you will collaborate closely with senior developers, designers, product owners,... 
    Senior
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    4 days ago
  •  ...patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to...  ...billions who remain unconnected.Position OverviewWe are seeking a Senior Full Stack AI Application Engineer (Frontend Emphasis) with to... 
    Senior
    Work at office
    Remote work

    AST SpaceMobile

    Lanham, MD
    3 days ago
  •  ...testing to validate implemented solutions and ensure 100% success Use data modelling practices to analyze the findings and design, develop improvements and changes Ensure 100% utilization by studying systems capabilities and understanding business specifications... 
    Senior

    Pacer Group

    Washington DC
    4 days ago
  •  ...designed for both commercial and government applications. Our engineers and space scientists are...  ....Position OverviewWe are seeking a Senior Full‑Stack AI Application Engineer with...  ...web platforms.Key ResponsibilitiesDesign, develop, and maintain native iOS (Swift/SwiftUI)... 
    Senior
    Work at office
    Local area

    AST SpaceMobile

    Lanham, MD
    3 days ago
  •  ...Job Description As a Senior ServiceNow Developer supporting a key Randstad client in the Washington, D.C. area, you will serve as a technical...  ...Development: Design, develop, and unit-test custom applications, Business Rules, Client Scripts, Script Includes, and UI... 
    Senior
    Local area

    Argyll Infotech, Inc.

    Washington DC
    2 days ago
  •  ...Salesforce Senior Developer Locations: AZ - Phoenix, CA - Los Angeles, CA - San Francisco, CO - Denver, CT - Hartford, FL - Tampa, GA...  ...activities including knowledge transfer, process documentation, and application bug fixes Mentor junior developers Qualifications... 
    Senior
    Work experience placement

    ClifyX

    Arlington, VA
    4 days ago
  •  ...Senior Application Developer Client has an enterprise project to redesign and redevelop its internal web application. The new web application will provide improved usability, an updated look and feel, and greater back-end system integration across its Group System.... 
    Senior

    Samprasoft

    Arlington, VA
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Applications Developer. Be the first to apply!