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- ...processes, including retries and state management. You will design and maintain in-house services for high-throughput data processing and RESTful/webhook APIs with strong versioning, rate limiting, and error handling. #J-18808-Ljbffr PVH (Tommy Hilfiger/Calvin Klein)Senior
- A leading consulting firm in Maryland is seeking a skilled professional experienced in backend development and API governance. This role includes responsibilities such as reverse-engineering integrations, designing standardized APIs, and implementing CI/CD pipelines for...Senior
- Neural Solutions is seeking an experienced full‑stack engineer to lead backend API development and modernize the mission management system in Columbia, MD. You will implement features responding to mission‑driven requirements and support automation teams through code reviews...Senior
- Neuralsolutions in Columbia, MD is seeking a seasoned Full Stack Developer to build and maintain a data orchestration platform for mission... ...into robust, scalable software. Responsibilities include backend API development, feature enhancements, code reviews, and advancing...Senior
- ZoomInfo is looking for a Senior Software Engineer to join their API & MCP Platform team in Bethesda, Maryland. This role involves designing and maintaining RESTful APIs using Java and NestJS, ensuring high performance and scalability. Ideal candidates have at least 5...Senior
- Columbia Technology Partners is seeking a Senior Software Engineer to design, build, and support enterprise software across on-premises... ...emphasizes secure, scalable Java/Javascript solutions, RESTful APIs, and customer-focused integrations with an independent, consultative...Senior
- ...will have over 5 years of experience, leading software projects through development stages while specializing in Java EE7, Spring, and API technologies. Strong problem-solving and communication skills are essential for this full-time position with a focus on meeting...SeniorFull time
- Brivo, Inc. is seeking a Senior Software Engineer to design and build scalable web services for a global security system. The role is hybrid... ...HQ. You will own architecture and delivery of high-availability API services powering Brivo's Access Control platform, guiding...Senior
- Brivo is seeking a Senior Full-Stack Software Engineer in Bethesda for a hybrid role, requiring... ...2-3 days per week. You will architect, develop, and maintain high-availability services... ...global security platform. You’ll work on API services with Java/SpringBoot, Node.js/...Senior2 days per week3 days per week
$140k - $200k
...just contribute. You’ll make things happen-fast. As a Senior Software Engineer on the API & MCP Platform team, you’ll be at the forefront of building... ...our platform. You’ll work with Java and NestJS to develop robust, secure, and high-performance API services that enable...Senior- ...Job Description Job Description Position Overview The Senior-Level Developer serves as a technical modernization leader responsible for... ...during migration. Replace file-based ingestion models with API- and database-driven architectures. Optimize high-volume,...SeniorTemporary workFlexible hoursShift work
Ignite IT
Suitland, MDmore than 2 months ago $100k - $120k
...Job Description Job Description Job title: Senior Appian Developer, Senior Location: Bethesda, MD Clearance: Public Trust... ...integrating Appian applications with external systems, databases, APIs, and enterprise services. ~ Experience with defect...SeniorFor contractorsWork experience placementLocal areaImmediate startLCG, Inc.
Rockville, MDmore than 2 months ago- ...Technical Lead (Engineer/Developer) — IRS Enterprise File Storage (EFS) Workflow Period of Performance: November 2025 – November... ...Relevant degree preferred ~ Hands-on experience with: ~ REST APIs ~ Enterprise-level secure file transfer utilities ~ Active...SeniorFull timeMonday to Friday
Keenlogic
Lanham, MD19 hours ago $183.38k - $193.05k
...Senior Principal Software Engineer Responsibilities for this Position We encourage... ...documentation, technical debt management) Developing C2, device management, or platform... ...Enterprise software design principles: API design, service-oriented architecture, modular...SeniorFlexible hoursGeneral Dynamics
Annapolis Junction, MD3 days ago$188k - $244k
..., you will be responsible for designing, developing, and implementing complex software capabilities... ...leadership as inherent components of senior-level impact. Additional duties as... .... ~ Experience in designing enterprise APIs. ~ Experience in RESTful web services....SeniorFull timeContract workWork at office2 days per week1 day per weekIamus Consulting
Columbia, MD19 hours ago- ...NextGen Federal Systems is seeking a Senior Software Developer in Aberdeen, Maryland. The Senior Software Developer is responsible for leading... ...Experience with Linux Experience with developing and using APIs Preferred Qualifications and Skills Experience...SeniorFull timeFlexible hours
Nextgen Federal Systems
Aberdeen, MD19 hours ago $131.8k - $290k
Job Title: Senior Software Engineer - Cybersecurity & DevOpsJob Category: EngineeringTime... ...OpportunityCACI is seeking a Senior Software Developer to join our dynamic team and contribute... ....ResponsibilitiesDevelop applications, APIs, scripts, and services.Work on new requirements...SeniorContract workWork experience placementImmediate startFlexible hours- ...MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover, MD. In this role, you will contribute to the development of mission-critical cyber capabilities and lead efforts in advanced Computer Network Operations (CNO)...SeniorWork experience placement
MANTECH
Hanover, MD19 hours ago $131.3k - $237.35k
...take their career to the next level.As a Senior Software Engineer, you will:Support the development... ...of distributed backend services, APIs, and platform microservices supporting... ...multidisciplinary teams of analysts, engineers, and developers to solve complex challenges and deliver...SeniorFull timeRemote workFlexible hours- ...Xcelerate Solutions is seeking a TS/SCI cleared Senior Software Engineer to join our mission-... ..., Architects, and Operations teams to develop enterprise AFEM (Automated Facial... ...software applications using C# Implement API development, ETL processes, and enterprise...Senior
$107.9k - $195.05k
Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next... ...such as Junit and MockitoSignificant experience with RESTful API, JSON, XML, XSDSignificant experience with Spring Framework...SeniorFull timeRemote work$101.4k - $154.65k
...Configure Sitecore XM Cloud environments and Experience Edge • Develop custom Sitecore components and rendering logic • Implement... ...serialization and deployment workflows • Integrate with Sitecore APIs (GraphQL, REST, Layout Service) • Support content authors with...SeniorFull timeTemporary workWork experience placementWork at officeFlexible hoursMSD Careers
Rockville, MD19 hours ago$140k - $220k
...management)Build and maintain both inbound and outbound integrations with third-party platforms (e.g., Salesforce and other external/open APIs)Design and implement in-house services capable of processing large volumes of data under tight time constraints, optimizing for...SeniorWorldwide- ...MANTECH seeks a motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Develop custom cyberspace capabilities based on operational requirements and vulnerability...SeniorWork at office
MANTECH
Annapolis Junction, MD19 hours ago $154.05k - $278.48k
Leidos is seeking a TS/SCI cleared Senior Software Engineer to join our mission-driven team... ..., Architects, and Operations teams to develop enterprise AFEM (Automated Facial Extraction... ...software applications using C#Implement API development, ETL processes, and...SeniorFull timeRemote workFlexible hours$112k - $179k
...integrity of U.S. air travel. Peraton is seeking a Full-Stack Developer - Senior to support mission-critical aviation programs aligned with... ...methodologies and DevSecOps practices.Experience developing RESTful APIs and working within microservices architectures.Preferred...SeniorContract workShift work- TypeRight to HireDescription:We are seeking an experienced Senior Developer specialized in migrating Java/J2EE applications to the cloud. You... ...as EC2/ECS/EKS for compute, S3 for storage, RDS for databases, API Gateway for APIs, and Lambda for event-driven processing....Senior3 days per week
$131.3k - $237.35k
...to derive software design and performance specifications.Design, develop, and enhance software to add new features or improve existing... ...libraries like React, Vue, or Angular.Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three.is a plus)....SeniorFull time$121k - $206k
...that matter to you. Role SummaryIn this role, you will design, develop and integrate short- and long-term solutions leveraging AWS and... ...AI development experience.Salesforce integration experience via APIs or client/server framework.Understanding of financial markets and...SeniorFull timeTemporary workLocal areaRemote work3 days per week$140k - $220k
...the right people to help fulfill the dream.We're looking for a Senior Software Engineer to join a team that spans two of ZoomInfo's most... ...solutionsBuild and own Python backend services and RESTful APIs handling millions of customer requests per dayBuild third-party...SeniorWorldwide
