Senior Application Developer (onsite)
System One
Senior Application Developer
Washington, DC - onsite
Per Federal contract U.S. Citizenship Required
Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance
W-2 or C2C
with R, Python, or FAME software is highly valued. Technical Skills:
• A bachelor's degree in computer science, physics, economics, or a related field with at least seven years of demonstrated programmer/analyst experience developing software according to software development lifecycles (SDLCs).
• Strong programming skills. Significant experience with R, or Python; FAME experience is a plus.
• Strong verbal and written communication skills
• Reliability and an ability to work efficiently on time-sensitive projects.
• Ability to work independently and to collaborate with others in a team environment and quickly understand data structures and idiosyncrasies.
• Analyzes and studies complex system requirements.
• Demonstrated strong analytical skills.
• Designs software tools and subsystems to support software reuse and domain analyses and manages their implementation.
• Manages software development and support using formal specifications, data flow diagrams, other accepted design techniques and Computer-Aided Software Engineering (CASE) tools.
• Reviews existing programs and assists in making refinements, reducing operating time and improving current techniques.
• Supervises software configuration management.
• Analyzes functional business applications and design specifications for functional activities, with experience developing block diagrams and logic flow charts.
• Translates detailed design into computer software.
• Tests, debugs and refines the computer software to produce the required product. Prepares required documentation, including both program-level and user-level documentation.
• Experience in analysis and design of systems.
• Knowledge of a Software Development Life Cycle (SDLC). Place of Performance:
On-site at FRB locations, Washington, DC (Note: There is some allowance for situational telework if needed)
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #M1
#LI-VH1 Ref: #851-Rockville-S1
System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
- MDAEdge is looking for a Senior ServiceNow Developer for an onsite position with the Department of Commerce in Washington, DC. The ideal candidate should... ...Operations and Maintenance (O&M) for custom applications using ServiceNow modules. A BS Degree and readiness for...Senior
- ...Europe & LATAM, Branch in USA, Inc. is looking for a Salesforce Developer to join their team in Washington, D.C. This role focuses on... ...background in integrations. Candidates should be prepared for an onsite presence at the client location. #J-18808-Ljbffr NTT DATA, Europe...Senior
- ...Federal Services is seeking a skilled .NET Developer to design, build, and maintain... ...modernize legacy systems and support downstream applications. You will design, develop, and maintain... ...an Active Secret Clearance and Arlington onsite #J-18808-Ljbffr Accenture Federal...Senior
- ...technology services provider is seeking a Senior JAVA Developer in Washington DC. In this role, you will design, develop, and test applications using JAVA technologies. The ideal... ...familiarity with Spring technologies. This onsite position will involve collaboration with...Senior
- Ariadne is seeking a Senior Software Developer to support the National Center for Biotechnology Information (NCBI) in Bethesda, MD. This role involves... ...and offers a chance to work with cutting-edge tools in an onsite or remote work setup. Ideal candidates should have...SeniorRemote job
- USM is seeking a Sr. Java Developer with over 10 years of experience to work onsite in Alexandria, VA. The successful candidate will develop and implement large-scale Java applications and provide production support for existing systems. An ideal candidate should have...Senior
- ...government contracting firm is seeking a skilled ServiceNow Developer to support a mission-critical program in Washington, DC. This... ...Responsibilities include designing and customizing ServiceNow applications, collaborating with stakeholders, and maintaining compliance...Senior
- JCD Staffing is seeking a Senior .NET Developer for a contract-to-hire opportunity in Alexandria, VA. The role involves hands-on development and modernization of enterprise web applications using .NET technologies, Angular, and SQL Server. The ideal candidate will have...SeniorContract work
- A leading IT solutions provider is seeking a .NET Developer in Washington, DC for a 12+ month project. The ideal candidate will have... ...in SQL Server. Responsibilities include developing software applications, collaborating with teams on projects, and ensuring documentation...SeniorLocal area
- TIAG is seeking a Senior Software Engineer to lead design and development of complex software... ...in Arlington, VA. The role is 100% onsite at ONR in Arlington and requires an... ...requirements, scope, and timelines while mentoring a #J-18808-Ljbffr Informatics Applications Group IncSeniorInterim roleWork at office
$125k - $135k
Network Designs, Inc. is in Alexandria, VA, seeking a Senior .NET Developer to engage in the full software development life cycle, focusing on web applications and modernizing infrastructure. The role emphasizes best practices for secure and maintainable coding. With a...Senior- ...Job Description Job Description Senior ServiceNow Developer Vacancy: 1 Work Arrangement: Onsite Location: Washington, DC 20003 Employment Type... ...resolve production issues related to ServiceNow applications and integrations. Perform operational and...SeniorContract work
- ...Job Description Job Description Role: Senior ServiceNow Developer Client: DC Government Location: Washington, DC (Onsite - In Person interview) Job Description:... ...work experience. ServiceNow Certified Application Developer (CAD) or Certified Implementation...SeniorContract workWork experience placement
$145k - $190k
A leading technology firm in Virginia is seeking a Backend Support Software Developer for an onsite role supporting the National Geospatial-Intelligence Agency (NGA). The ideal candidate will have expertise in Python, C#, and/or Java, with responsibilities including troubleshooting...Senior- ...cybersecurity firm is seeking a Cloud Forensics Analyst to support onsite incident response to cyber-attacks. The role involves acquiring... ...computer artifacts, conducting forensic investigations, and developing mitigation strategies. Candidates should have extensive...Senior
- AHU Technologies is seeking an App. Technical Specialist Senior (Quickbase) for the DC Government. The role is onsite in Washington DC and focuses on design, development, and deployment of QuickBase applications to support case and program management. The Senior professional...Senior
- A leading company is seeking an expert MicroStrategy Developer to design and develop visual dashboards. This role involves utilizing various... ...development will thrive in this position, as it requires onsite presence in Washington DC for a contract duration of 6+ months....SeniorContract work
$45 - $50 per hour
A leading IT solutions provider is seeking a Full Stack Java Developer for a 6-8 month contract-to-hire position in Beltsville, Maryland. The role requires strong skills in Java development, object-oriented modeling, and web services, with an emphasis on collaboration and...SeniorHourly payContract work$145.6k - $276.8k
Senior Principal Systems Engineer - C3MS (Onsite) Raytheon Company, Managed by Collins Aerospace. Location: US-DC-... ...Review existing system designs and develop updated technical solutions for... ...Opportunity Employer. All qualified applicants will receive consideration for...SeniorRelocationRelocation package$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...SeniorLocal area- ...Overview SENIOR APPLICATION DEVELOPER (NAUT): Bowhead seeks a Senior Application Developer to support our customer on the Nautical contract in the Arlington, VA area. This position serves as a technical leader in the modernization of legacy DoD systems, providing advanced...SeniorContract work
- Soft Tech Consulting, located in Washington, DC, seeks a Pega Application Developer to join a collaborative team delivering secure government solutions. You will design, build, and configure Pega applications while aligning with DevOps practices in an Agile setting, requiring...
- MDAEdge is seeking a skilled data reporting professional to develop complex reports and manage Azure Data Services. You will work onsite four days a week for a government agency focused on child and family services. The ideal candidate should possess a Bachelor's degree...Senior
$110k - $118k
Position Overview Develop and design complex reports using Power BI and SQL querying. Work onsite four days a week for a government agency focused on child and family services. Collaborate closely with social workers, system developers, and program staff to improve...Senior- Amyx, Inc. is seeking a Senior Application Developer to support our Army client at the Pentagon in Arlington, Virginia. The role involves developing and implementing custom applications using the latest technologies. Candidates must have at least 10 years of programming...Senior
- ...Senior .NET Developer Location: Alexandria, VA. Work Schedule: Onsite 5 days per week. Employment Type: Contract-to-Hire. Clearance: Must be able to obtain a Public... ...contract-to-hire opportunity supporting legacy application sustainment and modernization efforts in Alexandria...SeniorContract work
- ...Job Title: Senior .NET Full Stack Developer Job Location: Hybrid (Wednesdays in Silver Spring, MD)... ...Interview Process: Virtual, followed by an onsite Top Skills Needed:... ...develop, and maintain interactive web application systems Manage a large portfolio...Senior
$94.1k - $177k
...technology firm in Alexandria, VA is looking for an experienced developer to design and implement solutions in IBM Tririga. Candidates... ...$94,100 to $177,000, with local candidates expected to report onsite 2-3 days a week. #J-18808-Ljbffr ASM Research, An Accenture Federal...SeniorRemote jobLocal area2 days per week3 days per week$65k - $170k
...The Senior Application Developer is responsible for ensuring the stability, support, and continuous modernization of critical enterprise applications... ...with modern or commercial solutions. This is an onsite role based in our McLean, VA office. Key Responsibilities...SeniorFull timeTemporary workWork at officeLocal areaImmediate start$125k - $135k
...that specializes in designing, developing, and delivering information... ...position. Job Description The Senior .NET Developer will... ...life cycle, developing new web applications and supporting legacy systems... ...This position requires working onsite in Alexandria, VA, 5 days per...SeniorFor contractorsWork experience placement
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Application Developer (onsite). Be the first to apply!
- senior app developer Washington DC
- senior application support engineer Washington DC
- application performance engineer Washington DC
- application support engineer Washington DC
- network applications engineer Washington DC
- lead app. developer Washington DC
- software applications developer Washington DC
- field applications engineer Washington DC
- application security engineer Washington DC
- senior application security engineer Washington DC

