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  • Sr Oracle EBS/APEX Application Developer - Interfaces & Integrations

    $100k - $130k

     ...agencies. We are seeking a Senior Oracle EBS/APEX Application Developer to support the implementation, integration, and ongoing operation...  ..., including strong hands-on experience with Oracle APEX, EBS interfaces and integrations, SQL, and PL/SQL. Implementation, cutover,... 
    Suggested
    Permanent employment
    Temporary work
    Visa sponsorship

    i360technologies, Inc.

    Gaithersburg, MD
    10 days ago

  • Mission-Critical Front-End Engineer for User Interfaces

    Shadow Strategies LLC in Columbia, MD seeks a front-end engineer to design and implement intuitive interfaces that surface mission data, improve usability, and streamline decision workflows. You will collaborate with designers, backend engineers, and mission users to translate... 
    Suggested

    Shadow Strategies LLC

    Columbia, MD
    4 days ago

  • OIC Interface Developer

     ...Design, build, and deploy Oracle Integration Cloud integrations. Develop REST, SOAP, scheduled, application-driven, file-based, and SFTP...  ..., notifications, recovery processes, reconciliation, and interface controls. Monitor and troubleshoot integrations and support... 
    Suggested
    Permanent employment
    Full time
    Contract work
    Remote work

    i360technologies, Inc.

    Gaithersburg, MD
    7 days ago

  • Mid-Level Software Engineer

    $87.1k - $157.45k

     ...Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical national...  ...software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure,... 
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    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    3 days ago

  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...Intelligence Community customer, and help design and deliver modern user interfaces that enable mission users to interact with sophisticated...  ...'re looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions for... 
    Suggested
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    5 days ago

  • Front-End Software Engineer

    $87.1k - $157.45k

     ...Leidos, you’ll help shape the future of intelligence operations by developing modern, high-performance web applications for mission-critical...  ...following modern software engineering practices.User Interface Development: Translate requirements and user workflows into intuitive... 
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    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    4 days ago

  • Senior Systems Integrator Engineer

    $107.9k - $195.05k

     ...integration connecting applications, services, infrastructure, data, interfaces, and mission capabilities into a cohesive operational solution...  ..., data, network, security, and mission-system components.• Develop and maintain system integration strategies, plans, procedures,... 
    Suggested
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    4 days ago

  • Oracle AI & OCI Engineer / Developer

     ...models, enterprise data, APIs, tools, and workflows. Personally develop Python services, REST APIs, prompts, tool integrations,...  ...evaluation logic, error handling, and lightweight demonstration interfaces. Build RAG pipelines including document ingestion, chunking... 
    Suggested
    Full time
    Local area

    ExpediteInfoTech, Inc.

    Rockville, MD
    5 hours ago

  • Senior Lead Network Engineer

     ...needed to implement the new setup.  This Network Engineer will interface with state and local governmental personnel, internal stakeholders...  ...based on the deployment of network management software; - Develop, maintain and deliver infrastructure documentation relating to... 
    Suggested
    Full time
    Local area
    Monday to Friday
    Flexible hours

    Contact Government Services, LLC

    Rockville, MD
    20 days ago

  • Mid-Level Software Engineer

    $110k - $140k

     ...engineering into a next-generation mission platform. The team is developing cloud-based applications, advanced automation, and scalable...  ...using Docker, Kubernetes, and AWS. Develop RESTful APIs and web interfaces using React, Node.js, Flask, or Spring Boot. Collaborate with... 
    Suggested
    Full time
    Shift work

    Ennoble First, Inc.

    Gaithersburg, MD
    5 days ago

  • Lead Systems Engineer

    $87.1k - $157.45k

     ...documentation accurate, current, and traceable.Primary Responsibilities:Develop low-level infrastructure designs from approved architectural...  ...and drive findings to resolution before construction proceeds.Interface with procurement and engineering departments on hardware... 
    Suggested
    Full time
    Shift work

    Leidos

    Gaithersburg, MD
    5 days ago

  • UI/UX Front-End Engineer for Mission-Critical Apps

    Noetic Strategies, Inc. seeks a Mid-Level UI/UX Developer to design and implement user-centric interfaces for mission-critical applications. You will bridge UX design with front-end engineering, collaborating with backend teams and stakeholders in an Agile, DevSecOps environment... 
    Suggested

    Noetic Strategies, Inc.

    Gaithersburg, MD
    1 day ago

  • Software Engineer Stf - Level 4 (Secret)

    $135.7k - $251.9k

     ...expected 4th Quarter 2026 start date Lockheed Martin is designing, developing, and delivering a next-gen wideband MILSATCOM system comprised...  ...to derive, decompose and verify requirementsFamiliar with Interface Control Document (ICD) definitionsStrong knowledge of modern... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Rockville, MD
    2 days ago

  • Software Engineer SME

    $131.3k - $237.35k

     ..., architects, mission experts, and government stakeholders to develop and deliver secure, scalable, and modern software capabilities...  ...system integrations.Build responsive and user-focused front-end interfaces using modern web development frameworksDesign and optimize... 
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    Full time
    Contract work
    For contractors

    Leidos

    Gaithersburg, MD
    1 day ago

  • Software Engineer

    $91.2k - $169.4k

     ...with standard network protocols - IP, MPLS, IPSec and packet forwarding conceptsExperience in requirements definitionFamiliar with Interface Control Document (ICD) definitionsExperience with COTS Cisco/Juniper routers configuration and testingExperience with AWS,... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Rockville, MD
    3 days ago

  • Full Stack Developer / Java Developer

    $91.83k - $124.75k

     ...Description Location: Rockville, MD Job Title: Full Stack Developer / Java Developer  Sponsorship: No sponsorship assistance is...  ...Angular version and TypeScript. Design and implement user interfaces following Angular best practices. Modernize interfaces... 
    Work experience placement
    Local area
    Immediate start

    LCG, Inc.

    Rockville, MD
    6 days ago

  • Salesforce Developer

     ...Job Description Salesforce Developer - Remote - Need US citizens due to the nature of the job. Candidate should be in US to apply...  ...programmatic capabilities of the Lightning Platform to develop custom interfaces to extend Salesforce capabilities and develop custom business... 
    Local area
    Remote work

    Global Alliant Inc

    Rockville, MD
    17 days ago

  • Salesforce Developer

    $85k - $125k

     ...the Lightning Platforms programmatic features to create custom interfaces and business logic Familiarity with code testing, debugging...  ...with Apex, Visualforce, and basic Lightning Components Develop custom interfaces and business logic to expand Salesforce capabilities... 
    Full time
    Local area
    Remote work

    Global Alliant Inc

    Rockville, MD
    15 days ago

  • Oracle EBS Application Developer

    $110k - $120k

     ...an experienced R12 Oracle EBS RICE and PL/SQL Financials R12 Developers to support an existing R12 Federal Financials shared service environment...  ...:  Assist in supporting and implementing reports, interfaces, data conversions and enhancements in an R12 environment  Provide... 
    Permanent employment
    Temporary work
    Visa sponsorship
    Monday to Friday

    i360technologies, Inc.

    Gaithersburg, MD
    a month ago

  • OIC Interface Developer

     ...supports this program as a subcontractor to a large federal systems integrator. We are seeking two Oracle Integration Cloud (OIC) Interface Developers who will build and support the integrations that connect the agency's new core financial system with agency and external... 
    Permanent employment
    Contract work
    Temporary work
    For subcontractor
    Remote work

    i360technologies, Inc.

    Washington DC
    5 days ago

  • Senior .Net Developer or .Net Lead

     ...motivated, flexible, organized, and detail-oriented Senior .Net Developer (Multiple Positions) to join our dynamic team in Rockville, MD...  ...testing and design patterns. Great customer service and interfacing with customers required. Excellent oral and written communication... 
    Flexible hours

    Cloud Analytics Technologies LLC

    Rockville, MD
    3 days ago

  • UI/UX Developer

     ...Job Description Job Description UI/UX Developer  Location: Gaithersburg. MD Clearance Required: Active TS/SCI with the ability...  ...candidate will design and develop intuitive, user-centered interfaces for mission-critical applications, translating complex technical... 
    Contract work

    Noetic Strategies

    Gaithersburg, MD
    8 days ago

  • UI/UX Developer

     ...Job Description Job Description Job Title: UI/UX Developer Location: Gaithersburg, MD Type: 6 months + Contract To Hire...  ...Implementation: Design and develop intuitive, responsive user interfaces for web-based applications User Experience Optimization: Translate... 
    Contract work
    Local area

    System One

    Gaithersburg, MD
    29 days ago

  • Fullstack Java/TypeScript Engineer

     ...web applications and internal tooling across the SDLC. The role develops front-end solutions with JavaScript/TypeScript and modern...  ...manual SDLC handoffs. Build responsive and accessible front-end interfaces with JavaScript/TypeScript and modern frameworks. Design... 
    Hourly pay
    Temporary work
    Local area
    Remote work

    Eliassen Group

    Rockville, MD
    8 days ago

  • Oracle Fusion Cloud - Integration Developer

     ...integrator. We are seeking an Oracle Fusion Cloud Integration Developer who will build the integrations that connect the agency's new...  ...Fusion Cloud ERP integrations. Build inbound and outbound interfaces using REST/SOAP web services. Develop file-based and scheduled... 
    Permanent employment
    Temporary work
    For subcontractor

    i360technologies, Inc.

    Gaithersburg, MD
    8 days ago

  • Staff Release Engineer

     ...production environments.Participate in release deployment calls.Interface with other team members and other teams in peer review of...  ...verbal technical communication skills.Demonstrated ability to develop effective working relationships that improved the quality of work... 
    Full time
    Temporary work
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Immediate start
    Weekend work

    Financial Industry Regulatory Authority

    Rockville, MD
    3 days ago

  • Senior Developer (Angular - Java/AWS integrations)

     ...TypeContractRemote50% RemoteDescription:We are seeking an expert Angular developer to design, build, and deploy scalable, cloud-native enterprise...  ...end-to-end development using Angular for responsive user interfaces and integrate with Java and Spring Boot for secure backend... 

    RHO Consulting Services

    Rockville, MD
    4 days ago

  • Oracle Developer

     ...Position: Oracle Developer - US Citizen Only Duration: 12-24 Months Location: Reston, VA with travel to customer meetings in Springfield...  ...and scalability. Develop integrations between Oracle systems and external applications using APIs, interfaces, and middleware.... 

    Delta System & Software, Inc.

    Reston, VA
    2 days ago

  • Mid-Level Front-End Software Developer

    $145k

    ManTech International seeks a Front End Developer to join our Information Technology (IT) & Digital Solutions team supporting critical...  ..., you will design, build and optimize secure, responsive user interfaces for complex federal and defense web applications. You will collaborate... 

    ManTech International

    Jessup, MD
    a month ago

  • DevSecOps Engineer

     ...observability tools. MBSE Modeling & Systems Engineering Develop and maintain system models using MBSE tools such as Cameo...  ...Apply SysML/UML to define system architecture, requirements, interfaces, and behaviors. Support requirements traceability and ensure... 

    Avyanna Technologies

    Rockville, MD
    4 days ago