Sr. Developer
Probal DasGupta
We are building a team for one of the U.S. Federal Government's largest technology modernization programs, underpinning the U.S. capital markets.
Built on AWS and leveraging an AI-powered software engineering platform, this program offers a unique opportunity to gain hands-on experience with next-generation AI, Agentic AI, cloud technologies, and AI-driven engineering.
If you are looking for technically challenging work, exceptional learning, and a résumé-defining opportunity with national impact, I would love to connect.
Job Title:
Sr. Developer
Position Type:
Full-Time
Location:
Reston, VA & client locations in the Washington, D.C. area as required
Days Remote:
3–4 days remote
Position Summary:
The Senior Developer builds and delivers core platform services on native AWS. This role is responsible for implementing complex features, maintaining code quality, mentoring developers, and leveraging AI-assisted development tooling throughout the software development lifecycle (SDLC).
Key Responsibilities:
- Design and implement complex, cloud-native features and services on AWS.
- Maintain code quality through code reviews, testing, and development best practices.
- Mentor developers and contribute to technical decisions.
- Build and maintain CI/CD pipelines and automated tests.
- Leverage AI-assisted development tools, such as Amazon Q Developer, across the SDLC.
- Troubleshoot, optimize, and harden production services.
- Collaborate with architects and business analysts (BAs) to refine and deliver stories.
Minimum Experience:
- 7+ years of software development experience.
- Strong hands-on experience with cloud-native development on AWS.
- Experience with automated testing and secure coding.
- Proficiency with modern programming languages/frameworks and CI/CD.
Mandatory Skills:
- AWS cloud-native development.
- Software development.
- Modern programming languages/frameworks.
- CI/CD.
- Automated testing.
- Secure coding.
Required Non-technical Skills:
- U.S. Citizenship.
- Ability to pass a 7-year background check and obtain/maintain a U.S. Government Clearance.
- Willingness to work a hybrid schedule with 3–4 days remote in Reston, VA and at client locations in the Washington, D.C. area as required.
- Ability to prioritize and self-start.
- Adaptability and flexibility as priorities shift.
- Strong communication and presentation skills.
- Ability to collaborate, receive feedback, and respond to client requirements.
Nice-to-Have Skills:
- AWS certification.
- Serverless/event-driven development experience.
- Federal IT experience.
- Experience with AI-assisted developer tooling.
Degrees and Certifications:
- Preferred: AWS certification
$107.9k - $195.05k
Leidos has an exciting opportunity for a Sr.MarkLogic Developer in ourIntel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling...SeniorFull timeWork experience placementImmediate startFlexible hours- ...not required The ability to configure, implement, test, and document solutions in Workday. Possess extensive experience with developing integrations and reports, including BIRT reports. Thorough knowledge of security for integrations and reports. Possess...SeniorFor contractorsLocal areaRemote work
- ...Senior Developer Senior developer with 7-10 years of professional experience working with required technologies. Expert in Python frameworks. Expert in UI frameworks like ReactJS / VueJS/Angular. Expert in using MySQL or MongoDB. Knowledge on API-Driven Webpages. Good...Senior
- ...cloud resource utilization, identify inefficiencies, recommend optimization opportunities, and support cost management initiatives.Develop automation scripts and administrative tools to improve operational efficiency.Perform operating system upgrades, security patching...SeniorApprenticeshipWork at officeLocal area
- ...collaboration, innovation, and continuous learning. Position Overview Continuum is searching for a highly skilled Senior Appian Developer to design, implement, and manage Appian Platform. The ideal candidate will have extensive experience in Appian architecture, API...SeniorWork experience placement
- ...Solution IT Inc. is looking for Sr. Appian Developer for one of its clients Washington DC / Hybrid Job Title: Sr. Appian Developer Required Skills ~10+ years of software development experience with strong Appian development experience. ~ Hands-on...SeniorImmediate start
- ...subscribers and finally bring broadband to the billions who remain unconnected.Position OverviewWe are seeking a Senior Capabilities Developer to design, develop, integrate, and deploy advanced software capabilities supporting government and defense-related communications...SeniorContract workWork at office
- ...Onsite Position in Washington, DC*Must have Oracle EBS experience*Position is subject to contract awardPOSITION DESCRIPTION:Design, Develop, and Test solutions based on business requirementsREQUIREMENTS:Bachelors degree in Computer Science, or related fieldMinimum 8...SeniorContract work
- ...SECURITY CLEARANCE: TS/SCI with both Polygraphs is required POSITION: Sr. Software Engineer / (AE,L4) REQUISITION: NIN-AE4-30.051925 LOCATION: Laurel, Maryland SEAT LOCATION: Emerson JOB DESCRIPTION: This position is responsible for helping to stand up...SeniorFull time
$50k - $175k
...scalable cloud architectures across Windows and Linux systems; work independently or lead small teams. Automate with IaC (secondary). Develop and manage Infrastructure as Code using Terraform and Ansible to provision and configure environments — secondary to Windows...SeniorContract workImmediate start- Senior JDE Distribution Specialist Beretta USA Corp. is currently searching for a talented IT professional who has extensive experience with JD Edwards software, to join our growing team at our Corporate Headquarters in Accokeek, MD. Accokeek is a quaint community located...SeniorFor contractorsWork at office
- ...As Sr. Software Engineer I , you’ll bring creative architect solutions to end customers, with the goal to make an impact across... ...production enterprise applications in AWS Experience designing, developing, and deploying applications leveraging AWS cloud services in IL6...SeniorFull timeLocal areaFlexible hours
- ...Job Title Required Skills: Sr. Devops Engineer - 10+years of Exp Have hands on skills with Jenkins, BitBucket, Sonar, Artifactory, CloudNative Practices. Wide breadth knowledge of development and testing best DevOps practices. Outstanding knowledge in Continuous...Senior
- DescriptionActioNet is looking for an experienced Senior/SME Web Developer to design, develop, test, and maintain secure, scalable web applications and content solutions supporting mission-critical marine, aviation, and unmanned systems. This role is responsible for developing...SeniorFull time
- ...Sr. Java DeveloperLocation: Washington DC, Virginia and Maryland Experience: 8+ yearsJob Description:Proven working experience in... ...core Java (6 7, 8) developmentHands on experience in designing and developing applications using Java EE platformsObject Oriented analysis and...SeniorWork experience placement
$135k - $216k
Responsibilities Peraton is currently hiring a Senior Full Stack Software Engineer (O&M) to support our Operations and Maintenance (O&M) team to support a mission-critical enterprise application used by the federal government, ensuring reliability, security, and continuous...SeniorContract workCurrently hiringShift work$168.1k - $227.4k
...systems that leverage LLM & SLM technologies. You'll architect scalable solutions using Amazon Bedrock's agent core technologies, develop custom MCP servers, and create intelligent automation that transforms how our customers interact with AI. Your work will directly impact...SeniorInternshipFlexible hours- ...Job Description Job Description Job Title: Sr. Windows Server Tower Lead (Solution Engineer) Location: Washington, DC 20590 (onsite) Type: Contract Compensation: $56.23/HR on W2 Security Clearance: Ability to obtain and maintain a Public Trust clearance Responsibilities...SeniorContract workLocal area
- Job TitleDesign & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python.Architect scalable systems (microservices, event-driven patterns, async I/O, caching) with high availability and failover.Data & Storage: model schemas...Senior
$141k - $225.6k
...and integrating AI-assisted development tools into engineering workflowsStrong understanding of how AI can be applied to improve developer productivity, system design, and operational efficiencyBenefits that Benefit YouCompetitive salary and 401k with employer matchDiscretionary...SeniorWork experience placement$168.1k - $227.4k
Amazon Simple Storage Service (S3) is storage for the Internet. Through the use of pioneering techniques in distributed computing, developers are able to durably store their data on Amazon’s proven computing infrastructure to achieve virtually limitless storage capacity...SeniorInternshipFlexible hoursShift work- Job DescriptionPosition Title: Urgent Backfill - Sr. Java Developer - Strong Angular JS is mustLocation: Washington, DCDuration: will go up to End of 2017Dont send resumes with out strong Angulat JS experienceThe Java developer will participate in full lifecycle development...SeniorWork experience placement
$107.9k - $195.05k
Leidos has an exciting opportunity for a Sr. Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our... ...initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.Develops software system validation and testing methods using Junit and...SeniorFull timeImmediate startFlexible hours$131.3k - $237.35k
Job DescriptionLeidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions... .... Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging...SeniorFull time$107.9k - $195.05k
Leidos has an exciting opportunity for a Sr. Full Stack Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...SeniorFull timeImmediate startFlexible hours$50 per hour
...ServicesBusiness Unit: Enterprise Business ServicesStandard Job DescriptionShape the future of infrastructure at Lockheed Martin developing Infrastructure as Code within Enterprise IT! This dynamic, fast-paced environment embraces DevSecOps, Automation, Orchestration,...SeniorFull timeTemporary workWork experience placementCasual workRemote workFlexible hours$264.1k - $369.74k
...Sr Principal Software Engineer At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion...SeniorPermanent employmentTemporary workLocal area- Responsibilities:- Building and maintaining scalable systems- Build and maintain a SaaS architecture across multiple platforms, working on all areas of the tech stack- Perform code reviews to ensure that we're shipping reliable, readable, and reusable code- Help identify...Senior
- Job Title Daily Responsibilities: Backlogs and stories going into the sprints Working on the items assigned to them from the sprints Very sustainment and working on new dashboards and metrics Data bricks Modified dashboards Technology requirements...Senior
$170k - $180k
...position requires an Active Secret Clearance National Capitol Contracting is seeking motivated, skilled, and innovative Foundry Developer II with experience in Foundry, Qlik, Databricks, Power BI, and Python. Our work directly contributes to strengthening the Navy’s...SeniorFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Developer. Be the first to apply!
- student programmer Washington DC
- creative developer Washington DC
- developer ii Washington DC
- genesys developer Washington DC
- course developer Washington DC
- visa sponsorship developer Washington DC
- sas programmer Washington DC
- crm developer Washington DC
- remote entry level developer Washington DC
- developer internship Washington DC




