JobotBuilding Electrical Engineer JobotBuilding Electrical EngineerArbutus, MD$90,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking an Electrical Engineer II to support the design and delivery of electrical systems across multiple office locations, including Columbus, Akron, Baltimore, Jacksonville, and Pensacola.
LeidosNewBuild Lead – Lead Software Engineer LeidosBuild Lead – Lead Software EngineerGaithersburg, MD$87,100–$157,450The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. TFDM functions include: Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools Electronic Flight Data (EFD); Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS) Replacement or integration of multiple systems in the National Airspace System (NAS).
JobotNewSenior Mechanical Engineer (lead) JobotSenior Mechanical Engineer (lead)Baltimore, MD$130,000–$180,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join a highly respected, multidisciplinary engineering firm with over a century of success delivering complex infrastructure and building projects.
JobotSenior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
JobotSenior PowerShell Engineer (Secret Clearance) JobotSenior PowerShell Engineer (Secret Clearance)West McLean, VA$120,000–$160,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.
JobotSystem Integration & Test Engineer JobotSystem Integration & Test EngineerColumbia, MD$110,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
JobotHardware Engineer JobotHardware EngineerMONTGOMRY VLG, MD$120,000–$140,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
JobotSr. Software Engineer JobotSr. Software EngineerGaithersburg, MD$140,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
JobotSenior Software Engineer JobotSenior Software EngineerFalls Church, VA$150,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products.
JobotSoftware Engineer JobotSoftware EngineerArlington, VA$120,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!
CredenceNewDevSecOps Engineer CredenceDevSecOps EngineerMcLean, VAThe position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.
Davron LLCNewStationary Engineer 3rd Class Davron LLCStationary Engineer 3rd ClassBaltimore, MDSTATIONARY ENGINEER | STATIONARY ENGINEER 3RD CLASS | MAINTENANCE TECHNICIAN | STATIONARY ENGINEER LICENSE | HVAC CONTROLS | BOILER SYSTEMS | CHILLER PLANT | BUILDING MAINTENANCE | PREVENTIVE MAINTENANCE | MECHANICAL TROUBLESHOOTING | SENIOR LIVING FACILITY | FACILITIES MAINTENANCE. Join a mission-driven senior living community in Baltimore, MD that takes pride in maintaining an exceptionally clean, well-run facility where residents are treated with dignity and compassion.
ExelonNewSr Engineer- T&S Standards and Ratings ExelonSr Engineer- T&S Standards and RatingsWashington, DC$103,200–$141,900We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). Note: Items (1) and (3) are mutually inclusive, whereby the maximum experience requirement reduction is one (1) year (e.g., in the case of an employee with both a master's degree in Engineering AND a PE license, the minimum experience requirement would be reduced by one (1) year).
OneMain FinancialNewPrincipal Cybersecurity Engineer- Architecture OneMain FinancialPrincipal Cybersecurity Engineer- ArchitectureBaltimore, MD$130,000–$156,000 / yearAlong with security platform mastery in more than one platform area (IDS/IPS, firewall/WAF, access and identity, malware defense, threat modeling, exposure management, among others), the Principal Cybersecurity Engineer is formally trained in enterprise IT design and architecture practices. The Principal Cybersecurity Engineer has a demonstrated mastery in multiple security and non-security technology platforms, with the ability to both lead and advise on the overall designs and strategies of both security and non-security technologies.
PlanIT GroupNewSr Cloud Security Engineer PlanIT GroupSr Cloud Security EngineerFalls Church, VAExperience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.
Whitman, Requardt & Associates, LLPRail and Transit Engineer Whitman, Requardt & Associates, LLPRail and Transit EngineerBaltimore, MDThe candidate will be responsible for coordination and oversight of a wide variety of rail related design projects including, but not limited to MDOT Maryland Transit Administration, CSXT, WMATA, Amtrak, DRPT, and VPRA. Whitman, Requardt and Associates, LLP is seeking a motivated engineer with skills and/or focus on track engineering for freight railroads and/or public transit agencies to join our team in our Baltimore, MD office.
System OneNewStructural - Project Engineer System OneStructural - Project EngineerAlexandria, VABachelor’s degree or higher in Civil Engineering (Structural focus) or Architectural Engineering from an ABET-accredited program. We’re looking for a Structural Project Engineer to join a dynamic, employee-owned architecture and engineering team that values innovation, collaboration, and professional growth.
Chinook SystemsElectrical Engineer Chinook SystemsElectrical EngineerArlington, VA$120,000–$170,000 / yearIf you have a strong background in Electrical engineering, with a particular focus on power generators, uninterruptible power supplies, life safety/emergency/mission critical power distribution, electric vehicle (EV) infrastructure, and other electrical equipment and system, we want to hear from you. Conduct surveys of existing areas and facilities, conduct design reviews, conduct code compliance inspections, witness code required testing, assist in code development and implementation, and execute small systems designs.
ExelonPrin Engineer (Underground Transmission) ExelonPrin Engineer (Underground Transmission)Rockville, MD$122,400–$168,300Develops and/or leads teams in studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas, and telecommunication facilities/systems. We are a Fortune 200 company, 19,000 colleagues strong serving more than 10 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).
HITT ContractingCommercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerFalls Church, VAMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite .
Levi HunterNewFederal Telecommunications Engineer (RCDD) Levi HunterFederal Telecommunications Engineer (RCDD)Arlington, VACOMPANY’s Special Projects group supports U.S. Government agencies with A/E, defense, design/build, classified, and environmental programs. Develop conceptual and detailed ICT/telecom designs including drawings, specifications, and analyses.
BERING STRAITS GLOBAL INNOVATIONS LLCConstruction Project Engineer BERING STRAITS GLOBAL INNOVATIONS LLCConstruction Project EngineerHanover, MDThe Project Engineer (PE) is responsible for the assistance in the development, execution and maintenance of a fully effective Project as required by our contract with the Client and Subcontractors and as further defined by the Contractor’s Quality Control Plan (CQCP), Health/Safety/Quality program and in accordance with Company’s policies and procedures; and performs additional managerial responsibilities as necessary or assigned. The candidate will be performing all facets of the Bering Straits East Coast model to include quality control management, submittal tracking, daily reporting, communicating deficiencies to the customer, and other various tasks as assigned.
Fti ConsultingDirector, Full Stack Engineer - Digital & Insights Fti ConsultingDirector, Full Stack Engineer - Digital & InsightsWashington, DCThe Corporate Positioning & Insights practice within Strategic Communications enables our clients to solve their most complex communications and reputation management challenges using a product-driven, AI-centric approach. You will work with data scientists, technical leads, and client executives to deliver high-quality systems with a focus on reliability and excellent customer experience, becoming a trusted technical advisor throughout engagements.
HITT ContractingCommercial Construction Site Engineer HITT ContractingCommercial Construction Site EngineerFalls Church, VAOur Site Engineers receive exceptional mentorship, hands-on learning experiences, professional development courses, and personal growth opportunities tailored to you to fast-track your journey to promotion and career success as a member of our Site Operations team. Site Engineers have the flexibility to work on-site full-time or pursue an associate’s degree while working part-time, making this the ideal position for any high school graduate or early-career professional looking for a team and schedule that works with you.
LaterNewSenior Engineer (Product) - Remote LaterSenior Engineer (Product) - RemoteWashington DC, DCRemote$125,000–$205,000 / yearBy combining trusted insight with expert guidance, Later removes guesswork from influencer marketing, enabling brands to choose the right creators, execute fully managed campaigns, and drive meaningful growth across awareness, engagement, and revenue. Built on a native, AI-powered platform and more than a decade of proprietary data—including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven purchases—Later helps teams understand what will work before they launch.
SamsaraStaff Machine Learning Engineer SamsaraStaff Machine Learning EngineerWashington DC, DCRemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
PlanIT GroupNewIT- Cyber Security Architect/ Engineer III PlanIT GroupIT- Cyber Security Architect/ Engineer IIIFalls Church, VASecuring AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.
OneMain FinancialNewStaff Software Engineer (React, TypeScript, Rails, Node) OneMain FinancialStaff Software Engineer (React, TypeScript, Rails, Node)Baltimore, MD$110,000–$132,000 / yearIn this role, you will work closely with Product, UX, Engineering Managers, and other senior engineers to shape platform architecture, guide technical direction, and deliver scalable, high-quality software that improves the financial wellness of our customers. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
TD SYNNEXDigital Pathology Field Service Engineer TD SYNNEXDigital Pathology Field Service EngineerWashington, DCWe are looking for highly skilled and customer-focused Field Service Engineers to support our cutting-edge digital pathology systems in clinical environments. Connect with Your Community: Participate in internal, peer-led inclusive communities and activities, including business resource groups, local volunteering events, and more environmental and social initiatives.
LeidosSr Azure Virtual Desktop Engineer LeidosSr Azure Virtual Desktop EngineerAlexandria, VA$131,300–$237,350The Digital Modernization Sector at Leidos is seeking a Sr Azure Virtual Desktop Engineer to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
SamsaraSenior Software Engineer - Route Execution SamsaraSenior Software Engineer - Route ExecutionWashington DC, DCRemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
SamsaraAI Engineer SamsaraAI EngineerWashington DC, DCYou will collaborate with architects, engineers, and cross-functional stakeholders across Samsara to brainstorm, design, rapidly prototype, and productionalize AI-driven features and capabilities that integrate deeply into real business workflows. Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations.
LeidosLead Software Engineer, Data & DevSecOps LeidosLead Software Engineer, Data & DevSecOpsArlington, VA$131,300–$237,350Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
LeidosSenior Network Engineer LeidosSenior Network EngineerCamp Springs, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
BERING STRAITS PROFESSIONAL SERVICES LLCSTRMM Network Engineer BERING STRAITS PROFESSIONAL SERVICES LLCSTRMM Network EngineerAberdeen, MDBering Straits Professional Services (BSPS) is committed to world-class management of global logistics, training and procurement services for U.S. Government agencies. The work environmental characteristics described here are representative of those that must be borne by an employee to successfully perform the essential functions of the role.
LeidosSr Appian Platform Engineer / Architect LeidosSr Appian Platform Engineer / ArchitectAlexandria, VA$131,300–$237,350The Digital Modernization Sector at Leidos is seeking a dynamic Sr Appian Platform Engineer / Architect to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. The ideal candidate will possess deep expertise in the Appian low-code platform along with hands-on experience in other low-code/no-code technologies such as ServiceNow, Microsoft Power Platform, Pega, Salesforce, Mendix, OutSystems, or similar enterprise automation platforms.
LeidosMid-Level SQL Engineer LeidosMid-Level SQL EngineerAlexandria, VA$87,100–$157,450April 16, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
LeidosEndpoint Engineer LeidosEndpoint EngineerOdenton, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
LeidosSenior Kinetics DE/CD Engineer LeidosSenior Kinetics DE/CD EngineerArlington, VA$131,300–$237,350Leidos’ Defense Systems Kinetics Business Areais seeking a Senior Digital Engineering and Computational Dynamics Engineer to join our team as part of the Strategic High-speed Advanced Development Organization. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
LeidosPrincipal Software Engineer / Tech Lead LeidosPrincipal Software Engineer / Tech LeadArlington, VA$131,300–$237,350Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Constellation EnergyStationary Engineer I Constellation EnergyStationary Engineer IMount Airy, MD$38.46–$44.95Responds to dynamic 24/7 business environment via availability to work odd hours including periodic holidays and weekends throughout the year regarding changing plant conditions and risks. This role will be responsible for the operation and maintenance of eight Cleaver Brooks 400 & 500 HP boilers and associated equipment at our customer's facility located in Frederick, Maryland.
JABIL CIRCUIT, INCNewHardware Test Development Engineer/Enterprise Servers JABIL CIRCUIT, INCHardware Test Development Engineer/Enterprise ServersWashington, DCThis includes creating test plans, test cases, and test scripts to assess the functionality and performance of hardware components or devices such as motherboard, memory, CPU, storage (SSD, HDD, NVMe) and PCIE devices (NIC, GPU, Mezz cards, RAID cards). Expertise with leading edge networking systems, hardware, software and protocols including but not limited to enterprise ethernet datacenter switching/routing L1, L2, and L3 (BGP, DHCP Relay, ECMP).
LeidosSenior Software Engineer LeidosSenior Software EngineerGaithersburg, MD$107,900–$195,050Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.
LeidosDevOps Software Engineer - TS/SCI Cleared LeidosDevOps Software Engineer - TS/SCI ClearedBethesda, MD$107,900–$195,050Leidos is looking for our next TS/SCI‑cleared DevOps Software Engineer to join a high‑energy team building and deploying a cutting‑edge technology stack in support of the DIA‑NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
LeidosLead Software Engineer LeidosLead Software EngineerGaithersburg, MD$87,100–$157,450The TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
LeidosSr. Software Engineer TS/SCI Polygraph LeidosSr. Software Engineer TS/SCI PolygraphAnnapolis Junction, MD$131,300–$237,350You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.