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  • Senior Data Dictionary Platform Engineer (Backend/API)

    Intelliforce-IT Solutions Group is seeking a Senior Software Engineer to design, build, and sustain a Data Dictionary platform with a Java/Spring backend, REST APIs, and a web UI. You will influence architecture and deliver features across the full lifecycle in a collaborative... 
    Senior

    Intelliforce-IT Solutions Group

    Columbia, MD
    4 days ago

  • Senior PowerApps Developer

     ...Title: Sr. PowerApps Developer Location: Washington, DC (Hybrid) 1+ year Need Active Secret Clearance (Must) Required Qualifications...  ...Online ~ Experience with Power Platform integrations, APIs, connectors, and web services. ~ Strong knowledge of JavaScript... 
    Senior

    Ark Infotech LLC

    Baltimore, MD
    18 hours ago

  • Senior Java Engineer - APIs, Microservices, Hybrid

    Erias Ventures, LLC. is seeking a Software Engineer to design, develop, and implement complex software capabilities for computer-based systems. You will work with a team of engineers to deliver high-quality software and stay current with emerging AI agentic workflows. The... 
    Senior

    Erias Ventures

    Columbia, MD
    2 days ago

  • Senior Cognos Developer

    Senior Cognos DeveloperJob ID: req4674Employee Type: exempt full-timeDivision: Enterprise...  ...(Report Authoring, Dashboard Authoring).Develop interactive dashboards and visual analytics...  ...Informatica.Experience integrating REST APIs or web services into reporting solutions.... 
    Senior
    Full time
    Part time

    Frederick National Laboratory for Cancer Research

    Frederick, MD
    1 day ago

  • Senior Mainframe Developer

     ...Senior Mainframe Developer Location: Columbia, MD Job Type: Full-Time Position Overview We are seeking a Senior Mainframe Developer...  ...dependencies ~ Exposure to: ~ Distributed systems ~ APIs and middleware ~ Hybrid integration architectures ~ Cloud... 
    Senior
    Full time

    Serigor Inc

    Columbia, MD
    1 day ago

  • Pega Senior Developer

    $131.3k - $237.35k

     ...Digital Sector at Leidos currently has an opening for a Pega Senior Developer to work in our Baltimore, Maryland office. This is an exciting...  ...customizations are documented and COR-reviewed.Develop and maintain API-first integrations between Pega and CMS systems of record (e.g... 
    Senior
    Full time
    Work at office

    Leidos

    Baltimore, MD
    3 days ago

  • Senior Neuroengineering Developer

    $105k

     ...that accelerate neuroscience discovery? We are seeking a Senior Neuroengineering Developer to lead the design, development, and deployment of...  ...Docker, Kubernetes), databases (SQL and/or NoSQL), RESTful APIs, and modern software engineering practices. Have experience... 
    Senior
    Temporary work
    Work experience placement
    Worldwide
    Relocation package
    Flexible hours

    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    18 hours ago

  • Senior Level Developer

     ...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,... 
    Senior
    Temporary work
    Flexible hours
    Shift work

    Ignite IT

    Suitland, MD
    a month ago

  • Senior Developer

     ...that enables a key operation. Serve as a senior technical point of contact between the...  ...Integrate backend services through RESTful APIs to support seamless data flow and...  ...maintainability, and long-term sustainability. Develop efficient data retrieval solutions that... 
    Senior
    Full time

    Omniscius Consulting

    Annapolis Junction, MD
    19 days ago

  • Senior Developer and Architect

     ...One of our leading client is looking for Senior Developer and Architect in Baltimore MD Job Title: Senior Developer and Architect Location...  ..., or IT risk management. Experience integrating IBM i with APIs or web services, including REST/SOAP. Familiarity with... 
    Senior
    Full time
    Contract work
    Immediate start

    Programmers.io

    Baltimore, MD
    2 days ago

  • Senior Frontend Developer

     ...Job Title: Senior React Frontend Developer Location: 200 I Street, SE, Washington DC, 20003 This is W2 Requirement no C2C please Key Responsibilities...  .... Integrate frontend applications with RESTful APIs and backend services. Manage application state using Redux... 
    Senior
    Full time

    Ravh-IT

    Baltimore, MD
    18 hours ago

  • Senior Software Engineer (5G)

    Senior Software Engineer (5G)Company OverviewWe are located in San Diego, CA and we are a...  ...Senior Software Engineer (5G) to design, develop and optimize software for 5G modems and related...  ..., building robust abstractions (HAL/APIs), and ensuring performance and standards... 
    Senior

    CyberCoders

    Germantown, MD
    1 day ago

  • Senior Software Engineer

     ...is seeking an intelligent and versatile Senior Software Engineer to work in a team that...  ...platforms and our FPGA based accelerators, develop and support IP product development of High...  ...for Windows and Linux Design and test API, User Examples Design interfaces to... 
    Senior
    Full time

    Annapolis Micro Systems

    Annapolis, MD
    4 days ago

  • Senior Software Engineer - Cybersecurity & DevOps

    $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... 
    Senior
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International

    Linthicum Heights, MD
    4 days ago

  • Senior Software Engineer

     ...systems and client’s mainframe, branch infrastructure, and vendor platforms—file transfer, batch, message-based (Kafka and IBM MQ), and API (GraphQL and REST). Partner with the teams that own those systems on interface contracts, change coordination, and release sequencing... 
    Senior
    Contract work
    For contractors
    Remote work

    Keller Schroeder

    Baltimore, MD
    1 day ago

  • Senior Software Engineer

     ...Senior Software Engineer – Java/Python (Hybrid) Location: Hybrid work environment with...  ...Python application development to design, develop, and maintain software products that...  ...AWS services (EC2, S3, Lambda, RDS, ECS, API Gateway) and cloud infrastructure tools (... 
    Senior
    Full time
    Flexible hours

    Unisys

    Rockville, MD
    18 hours ago

  • Senior Software Engineer

    $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... 
    Senior
    Full time
    Remote work
    Flexible hours

    Leidos

    Rockville, MD
    4 days ago

  • Senior Software Engineer, TS/SCI w/Poly

    $176k - $282k

    ResponsibilitiesDesigns, develops, and implements secure cloud-based solutions that support scalable, resilient, and mission-critical environments...  ...of RESTful services within a Java development environment. This API serves as the source system for the ingestion and transformation... 
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    3 days ago

  • Senior Java Software Engineer

     ...Senior Java Engineer Location: Annapolis Junction, MD Clearance: Active TS/SCI + Full...  ...We are seeking an experienced Senior Java Developer to join our software engineering team and...  ...and implementing backend services, APIs, and data access layers, contributing to... 
    Senior
    Full time

    Anthem Engineering, LLC

    Annapolis Junction, MD
    2 days ago

  • Senior Backend Software Engineer (supporting NOAA)

     ...Place to Work™ ASRC Federal is seeking a Senior Backend Software Engineer with strong experience...  ...-time position This role will design, develop, and optimize data pipelines and the...  ...relational databases. Backend services and API development will support data integration... 
    Senior
    Full time
    For contractors
    Remote work

    ASRC Federal Holding Company

    Silver Spring, MD
    1 day ago

  • Ground Software Engineer (Senior)

     ...unconnected.Position OverviewWe are seeking a Senior Ground Software Engineer with deep full‑...  .... This role plays a key part in developing reliable, scalable systems used for monitoring...  ...Java, C/C++, Go, or similarFull‑stack and API frameworks (e.g., Node‑based or Python‑... 
    Senior
    Work at office

    AST SpaceMobile

    Lanham, MD
    2 days ago

  • Senior Backend Developer, Palantir

    $131k - $218.3k

     ...full spectrum of solutions for designing, developing, and operating cutting-edge Data and AI...  ...transforms, the Ontology, Actions, Functions, APIs, and application integrations.The War...  ...development From entry-level employees to senior leaders, we believe there’s always room... 
    Senior
    Local area

    Deloitte

    Baltimore, MD
    18 hours ago

  • Senior Software Engineer

    $140k - $220k

     ...them while socializing them with the team.What You'll do:Design, develop, and maintain backend systems using Java and Node.js frameworks...  ...scalability, and maintainability.Develop and implement RESTful APIs adhering to best practices and design patterns.Work with cutting... 
    Senior
    Worldwide

    ZoomInfo

    Bethesda, MD
    2 days ago

  • Senior Software Developer (Java/J2EE/Application Modernization)

     ...HireRemote50% RemoteDescription:We are seeking an experienced Senior Developer specialized in migrating Java/J2EE applications to the cloud....  ...as EC2/ECS/EKS for compute, S3 for storage, RDS for databases, API Gateway for APIs, and Lambda for event-driven processing. Implement... 
    Senior
    3 days per week

    RHO Consulting Services

    Rockville, MD
    3 days ago

  • Senior Scala Developer

     ...miles radius from our office at Columbia, MD 21046**** The Senior Software Developer plays an integral role in designing, developing, and...  ...stakeholder needs. Day-to-day work spans building RESTful APIs, executing unit tests, and leveraging Splunk to monitor and... 
    Senior
    Live in
    Work at office

    Sparksoft Corporation

    Columbia, MD
    4 days ago

  • Senior Signals Software Engineer

    $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).... 
    Senior
    Full time

    Leidos

    Annapolis Junction, MD
    2 days ago

  • Senior Software Engineer - Chorus

    $140k - $220k

     ...contribute. You’ll make things happen-fast.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... 
    Senior
    Worldwide

    ZoomInfo

    Bethesda, MD
    18 hours ago

  • Senior Shopify Developer: Multi-Brand, Headless & Apps

    Insight Global is seeking an experienced Shopify developer to craft engaging stores, bespoke themes, and brand-consistent microsites. You...  ...to deliver multi-brand experiences, integrate with Storefront APIs, and optimize front-end performance across devices. The role requires... 
    Senior

    Insight Global

    Rockville, MD
    1 day ago

  • Senior Software Developer (Low Code/ No Code)

    $103.5k - $181.1k

     ...redefine what’s possible.Job Description:Parsons is seeking a Senior Software Developer to support our cutting-edge Drone Armor counter-unmanned...  ...low code/no code solutions with custom-developed services, APIs, and data sources in a secure, maintainable mannerEnsure solutions... 
    Senior
    Full time
    Flexible hours

    Parsons

    Aberdeen, MD
    2 days ago

  • Senior Software Engineer

    $131.3k - $237.35k

     ...security challenges.About the OpportunityLeidos is seeking a Senior Software Engineer to develop, integrate, and enhance complex software systems...  ...Docker containerization.3+ years of experience with RESTful APIs and web services.5+ years of experience with Linux.6+ years... 
    Senior
    Full time

    Leidos

    Laurel, MD
    1 day ago