Senior Developer
$222kActioNet
DescriptionPosition: Senior Developer Location: Rosslyn, VA, Clearance: SecretThe Senior Developer leads the design, development, and optimization of complex software applications that support enterprise systems and business objectives. This role provides technical leadership to development teams while ensuring solutions are scalable, secure, and aligned with organizational requirements. The position requires deep programming expertise, advanced architectural knowledge, and the ability to collaborate with stakeholders to deliver high-quality software solutions while guiding best practices across the development lifecycle.• Lead the design and development of advanced software applications and enterprise solutions• Develop and optimize complex application architectures, system workflows, and development frameworks• Provide technical leadership, mentorship, and guidance to junior developers and development teams• Collaborate with stakeholders to ensure applications align with business goals and operational needs• Conduct advanced troubleshooting and resolve critical application and system issues• Integrate applications with enterprise platforms, services, and databases• Ensure applications meet security, performance, and reliability standards• Develop and maintain documentation for system architectures, configurations, and development practices• Promote development standards, code quality, and best practices across the engineering team• Stay current with emerging software development technologies, frameworks, and tools• Participate in strategic planning and represent the development team in technical and business discussionsProfessional Qualifications and Skills• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field• 7–12 years of experience in software development or application engineering• Expertise in programming languages such as Python, Java, or C#• Advanced knowledge of software development methodologies including Agile, Scrum, and SAFe• Strong leadership, mentoring, and team development skills• Proficiency with system integration, microservices, and API development• Excellent analytical, troubleshooting, and critical-thinking abilities• Software development certifications preferred• Experience with cloud-based development environments and big data platforms is a plus• Exceptional communication, collaboration, and stakeholder engagement skillsPreferred Certifications include:AWS Certified Cloud Practitioner Microsoft Certified: Azure Fundamentals (AZ-900) GitHub Foundations Certification PCAP – Certified Associate or OpenEDG Python Institute Certified Professional in Python Programming (PCPP) or similarGitHub Advanced Security Certification TOGAF 9 CertificationCertified Kubernetes Administrator (CKA)Certified Cloud Security Professional (CCSP)Docker Certified AssociateSalary up to $222,000, depending on qualifications, including relevant certifications, education, years of experience, and demonstrated experience supporting Federal Government programs within the field. Candidates with specialized expertise, industry-recognized certifications, and strong Federal contracting experience may be considered at the higher end of the range.Why ActioNet?It is simple. We are passionate about the inspirational missions of our customers and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health and well-being of our nation. We have been awarded the Washington Post Top Places to Work for 8 years in the row.What's in It For You?As an ActioNeter, you get to be part of exceptional team and a corporate culture that nurtures mutual success for our customers, employees and our communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy and a desire to develop your skills, experience and career. Are you ready to make a difference? ActioNet is an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
$70k - $140k
Washington, DCAdministrative and Logistics Support /Full Time On-Site /On-siteWorkforce Developer (WD) - Senior Work Location: Washington, DC Employment Type: Full-Time, Senior-Level Department: Administrative and Logistics Support CGS is seeking a skilled Workforce Developer...SeniorFull time$175k - $225k
Job Description:POLITICO is seeking a Sr. Newsroom Developer (Machine Learning) to help build the next generation of AI-powered newsroom... ...today. Learn more about Axel Springer.Posting date:2026-10-09Title:Senior Newsroom DeveloperSummaryLocation: Arlington, VAType: Full timeSeniorFull timeDay shift- ...Years Technical lead role over a development team (min. 3 developers) Required 4 Years Azure DevOps pipeline... ...ISC²) Desired ITIL 4 Foundation Desired Senior Developer - D365/Power Platform/Azure Candidate must be local...SeniorPermanent employmentFull timeContract workLocal area
- ...Senior zTPF DeveloperOur client, a leading Randstad company based in Washington DC, is seeking a seasoned Senior zTPF Developer with a strong background in the travel industry. The ideal candidate will possess expertise in zTPF technology, alongside proficiency in Web...Senior
- ...Senior EAM DeveloperAt Randstad's DC client, we're seeking a Senior EAM Developer responsible for spearheading the entire Systems Development Life Cycle of Enterprise Asset Management solutions. This role involves hands-on execution, from design and coding to testing,...Senior
- ...Senior zTPF DeveloperLumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array... ...Transformation.Job Summary: Seeking a highly experienced Senior zTPF developer with strong expertise in the travel/transportation domain,...Senior
- ...Senior AEM DeveloperThe Senior AEM Developer will be working closely with the development team to implement a specified application design within the constraints of the technical solution and work to find compromises when desired designs cannot be achieved. They’ll also...Senior
- ...Job Description Job Description Job Title: Senior SailPoint Developer Location: Washington, DC (On-site) Employment Type: Contract (W2 through ZipStaff — No C2C or 1099) About the Opportunity: ZipStaff is seeking a Senior SailPoint Developer for an established...SeniorContract workLocal area
$181.8k - $211.4k
...Senior Appian DeveloperWhy This is an Exciting Role:As an Appian Developer at Boeing Intelligence & Analytics (BI&A), some of your duties will include designing, building, and deploying applications using the Appian low-code automation platform, focusing on workflow automation...SeniorContract workRemote work- Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing... ...1SummaryType: ContractFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesSeniorWorldwide
- ...Senior ArcGIS DeveloperLocation: RemoteDuration: Long term contractKey ResponsibilitiesDesign, develop, and maintain mobile-first ArcGIS applications using ArcGIS Experience Builder.Configure responsive layouts, widgets, and map components optimized for iOS and Android...SeniorFor contractors
$89k - $153k
...can truly know and help our clients, communities, and each other.CLA is growing and seeking to hire an experienced Senior Marketing Technology Developer to join our talented Information Technology team. The position offers growth, flexibility and a collaborative work environment...SeniorFull time- ...Role: Senior GIS Developer Location: 1st preference is Bellevue, WA if not we are fine with Overland Park, Kansas or Herndon, VA Duration: Full Time Job Description: Senior GIS Developer Must Have Technical/Functional Skills Seeking a Senior Developer...SeniorFull time
- ...Senior QuickBase DeveloperAnnexa Inc is currently working with a large Health and Human Services Agency and we are looking for a Senior QuickBase Developer with experience in the design, development, delivery, and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile...Senior
$61 - $68 per hour
...PowerApps Developer SeniorLocation: Washington, DC/ HybridEmployment type: Contract w2/1099/C2CMinimum Education: Bachelor's degree in IT, related field, or equivalent experience.Required Experience: 15 yearsInterviews: In PersonThe client is looking for an experienced...SeniorHourly payContract workFor contractors- ...Job Description Job Description Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement: Hybrid – onsite at the Pentagon three days per week Employment Type: Full-time, direct hire Clearance: Active DoD Secret...SeniorFull timeLocal area3 days per week
- ...Job Description Job Description Description: Senior Developer This Venesco LLC Senior Developer supports/develops web applications to support financial management business processes/controls. The SME SR position is involved in all phases of the application...SeniorWork experience placement
- ...services serverless architecture AWS Glue AWS Aurora Terraform GitLab HCLTech is looking for a highly talented and self- Senior Developer – Full Stack Full time role) to join it in advancing the technological world through innovation and creativity. Must have...SeniorFull timeLocal area
- ...We are looking for an experienced Senior EDI Developer with strong hands-on expertise in the Healthcare Payer domain, Facets Claims, HIPAA X12 transactions, Edifecs, and TriZetto HIPAA Gateway . The ideal candidate will have extensive experience designing, developing...SeniorFull timeWork experience placement
$105k - $207k
...Recruiting for this role ends on 10/02/2026. Work you'll do As a Senior Consultant, Technical Transformation on the Business Finance... ...at ****@*****.***. Recruiting tips From developing a stand out resume to putting your best foot forward in the interview...SeniorLocal area$116k - $136k
Responsibilities Technica Corporation is seeking a Senior Web Applications Developer. The Web Application Developer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using best software development...SeniorWork experience placementRemote work- ...Job Description Job Description Senior Appian Developer Location: Washington, DC (Remote) Duration: 8+ months Day-to-day Responsibilities: Lead the design and delivery of complex Appian solutions, translating business needs into robust, scalable applications...SeniorRemote job
$175k - $200k
...fintech startup building modern payment infrastructure used by businesses around the world. The company is looking for a Senior Software Engineer to develop and scale mission-critical systems using TypeScript, Node.js, AWS Lambda, GraphQL, and PostgreSQL in a full-time...SeniorFull timeRemote work- ...for scalable solutions. Mentor a skilled team and drive architectural innovation.Job DescriptionSenior Software Engineer OverviewThe Senior Software Engineer role offers an opportunity to lead engineering efforts in a dynamic, remote-first environment.Collaborate with...SeniorRemote work
$180k - $230k
The Senior Operations Integrator serves as an enterprise-level operations integration and planning advisor supporting national defense... ...-level mission gaps, seams, risks, and opportunities and develop actionable options that integrate operational, intelligence, technical...SeniorContract work$155k - $185k
...Senior Software Engineer (Remote Sensing) - Arlington, VA | $155k-$185k Base If you've worked in remote sensing or satellite systems and want to own software that directly supports real-world operations, this is worth a look. I'm working with a growing...SeniorFull timeRemote workRelocation package- ...on-site environment. Enjoy competitive benefits, equity, and unlimited vacation policy.Job DescriptionSenior Full-Stack Developer OverviewAs a Senior Full-Stack Developer, you will contribute to innovative AI-based learning solutions in a collaborative, on-site environment...Senior
$136k - $187k
...in on this mission. If you are too, let's talk.The Classified Senior Software Engineer in Test OpportunityWe are seeking a highly specialized... ...are compatible with existing customer deployments and usage.Develop, maintain, and debug end-to-end/system test plans and existing...SeniorLocal areaWorldwideFlexible hours- ...Job Title: PeopleSoft Lead Developer Location: Washington, DC - Hybrid (3-4 days/week) Duration: W2 Long term contract Increase your chances of reaching the interview stage by reading the complete job description and applying promptly. Job Summary...SeniorLong term contractWork at office3 days per week
- ...Senior PeopleSoft DeveloperOur large transit client is seeking a seasoned PeopleSoft functional Analyst to support a PeopleSoft Funds effort: Serve as a PeopleSoft Developer on the PeopleSoft Funds Management Automation Project by writing code using the PeopleSoft framework...SeniorDay shift
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