Web Developer (Mid and Sr Level roles)
ActioNet
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 modern, user-focused applications that operate across both on-premises and cloud-based environments while collaborating closely with stakeholders, designers, and technical teams to deliver high-quality digital solutions. The ideal candidate will possess extensive experience in full-stack web development, user interface design, application integration, and software development best practices. Salary Range: 112,000-206,000Key Responsibilities:Design, develop, test, deploy, and maintain web-based applications and content management solutions supporting marine, aviation, and unmanned systems.Collaborate with customers, users, business analysts, and technical teams to gather requirements and translate business needs into technical solutions.Develop responsive, accessible, and user-friendly interfaces using modern web technologies and professional design tools.Create visual, content-rich web experiences that follow established user experience (UX) and user interface (UI) design principles.Develop and maintain applications operating in both physical and cloud-based environments.Build, integrate, and maintain RESTful APIs and web services supporting enterprise applications.Develop secure, scalable, and maintainable code following software engineering best practices and organizational coding standards.Perform application testing, debugging, troubleshooting, and performance optimization throughout the software development lifecycle.Generate application, website, and user analytics using custom or commercial reporting tools to support operational decision-making.Support configuration management, version control, software releases, and change management activities.Ensure applications comply with cybersecurity, accessibility, and federal security requirements.Develop and maintain technical documentation, system diagrams, design specifications, and user documentation.Support modernization initiatives, cloud migration efforts, and continuous improvement activities.Mentor junior developers and provide technical leadership on complex development efforts.Required Qualifications:Minimum of 5 years of progressively responsible experience developing and maintaining enterprise web applications. Candidates with 10 or more years of directly related experience are highly preferred.Experience supporting marine, aviation, or related operational environments is preferred.Demonstrated experience designing, developing, testing, and maintaining secure web applications in Windows, Linux, and cloud environments.Strong experience with front-end and back-end web development technologies.Experience developing responsive web applications using modern UI/UX design principles.Experience integrating APIs, databases, and enterprise applications.Strong analytical, problem-solving, communication, and collaboration skills.Bachelor's degree in Computer Science, Computer Engineering, Information Technology, Graphic Design, Interaction Design, Visual Design, Digital Design, or a related field from an accredited college or university is preferred.Preferred Training, Certifications, and Technical Skills:Certified Scrum Developer (CSD)Certified ScrumMaster (CSM)AWS Certified Developer – AssociateAWS Certified Cloud PractitionerMicrosoft Certified: Azure Developer Associate (AZ-204)Microsoft Certified: Azure Fundamentals (AZ-900)Microsoft Power Platform Developer AssociateCompTIA Security+GIAC Web Application Penetration Tester (GWAPT)Certified Secure Software Lifecycle Professional (CSSLP)Agile Software DevelopmentSoftware Development Lifecycle (SDLC)DevSecOpsCI/CD pipelinesRESTful APIsHTML5CSS3JavaScriptTypeScriptReactAngularVue.js.NET/C#ASP.NET CoreNode.jsPythonSQLXMLJSONGitGitHubAzure DevOpsJiraMicrosoft SharePointLinuxWindowsPKIAdobe Creative CloudGraphics Software ApplicationsResponsive Web DesignUI/UX DesignWeb Accessibility (Section 508/WCAG)Web Application Security (OWASP)Cloud application developmentActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security, and IT Managed Services. With 25+ years of stellar past performance, ActioNet is the premier Trusted Innogrator!Core Capabilities:Advanced and Managed IT ServicesAgile Software DevelopmentDevSecOpsCybersecurityHealth ITC4ISR & SIGINTData Center Engineering & OperationsEngineering & InstallationWhy ActioNet?At ActioNet, our Passion for Quality is at the heart of everything we do:Commitment to Employees: We are committed to making ActioNet a great place to work and continue to invest in our ActioNeters.Commitment to Customers: We are committed to our customers by driving and sustaining Service Delivery Excellence.Commitment to Community: We are committed to giving back to our community, helping others, and making the world a better place for our next generation.ActioNet is proud to be named a Top Workplace for the eleventh year in a row (2014 - 2024). We have a 98% customer retention rate. We are passionate about the inspirational missions of our customers, and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health, and well-being of our nation.What's in It For You?As an ActioNeter, you get to be part of an exceptional team and a corporate culture that nurtures mutual success for our customers, employees, and communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy, and a desire to develop your skills, experience, and career. Are you ready to make a difference?ActioNet is an equal-opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.Full-Time Employees are eligible to participate in our ActioNet’s Benefits Program:Medical InsuranceVision InsuranceDental InsuranceLife and AD&D Insurance401(k) Savings PlanEducation and Professional TrainingFlexible Spending Accounts (FSA)Employee Referral and Merit Recognition ProgramsEmployee Assistance and Identity Theft ProtectionPaid Holidays: 11 per yearPaid Time Off (PTO)Disability Insurance
- ...is looking for an experienced Senior/SME Web Developer to design, develop, test, and maintain... ...marine, aviation, and unmanned systems. This role is responsible for developing modern,... ...development ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 2700...SeniorFull timeFlexible hours
$100k
Mid-Level Full Stack Developer NetServices (NSI) is an IT services firm with a long-standing reputation for... ...maintenance (O&M) support for a production.NET Web application. The developer will... ...clearance to be considered for this role. Other Requirements: U.S. Citizenship...SuggestedFor contractorsFlexible hours- ...DESCRIPTION: Pioneering Evolution is seeking a motivated Mid-Level Full-Stack Developer to support the development of secure and modular backend... ...services for a mission-focused federal software platform. This role provides an excellent opportunity for growth in a...SuggestedFull timeTemporary work
$86k - $138k
ResponsibilitiesPeraton is seeking a Mid-level Full‑Stack Engineer to join our Federal Strategic... ...strengthens national security. In this role, you’ll build modern, mission‑critical... ...applications using Angular, TypeScript, and modern web frameworks as the primary focus of your...SuggestedContract workCasual workShift work- ...Mid/Senior-Level Cybersecurity (RMF ISSO) Location: DC area (2 to 3 days/week Washington Navy Yard) Required Clearance: Secret Salary... ...to support Advanced Radars programs for PEO IWS 2.0. The role involves managing RMF processes, ensuring ATO compliance, and...Senior2 days per week3 days per week
$95k
...of the best talent locally available. Role Description: • Build and maintain Power... ...business processes and user workflows. • Develop, test, and optimize cloud flows in Power... ...needed to propel them towards the next level. Not sure what's best for your career plans...Flexible hours- ...Software Engineer (2+ years - Senior Level) Locations: Arlington, VA,... ...on cloud-native full-stack web applications, advanced data analysis... ...engineer-led software teams develop technical solutions on an... ...Experts!! We are considering Mid to Senior Level Full-stack software...SeniorFull timeFor subcontractor2 days per week3 days per week
$80k - $105k
...ownership, and execution over bureaucracy. Mid-Level Full Stack Developer Location: Remote Terms: Full-... ...and DevSecOps environments. The role contributes to the development,... ...REST APIs SOAP/XML and REST/JSON Web Services Frontend JavaScript...Full timeWork experience placementRemote workFlexible hours- ...demonstrated experience leading teams on small to mid-size software development activities. ~... ...The Software Engineer – Mid Level shall participate in all phases of the software... ...the installation of software applications, develop training materials and mentor junior team...Contract workWork experience placementLocal area
$65 - $67 per hour
...Position Title: Mid-Level Full Stack Developer Location: Bethesda, MD - 5 Days onsite - No Relocation Assignment Type: Contract to Hire Pay Rate: $65.00 - $67.00 / hour Work Schedule: Onsite, Monday - Friday Benefits: This position is eligible for medical...Contract workTemporary workLocal areaRelocationMonday to Friday- ...Mid-Level ServiceNow DeveloperWashington, DC At Accenture Federal Services, nothing matters... ...!We are seeking a Mid-Level ServiceNow Developer to support the design, configuration, and... ...following platform best practices. This role supports application development,...
- ...Bow Wave is seeking a Senior Frontend Developer to join our team and support our client... ...‑end Developer, you will play a pivotal role in architecting, building, and optimizing... ...services. In this role, you will mentor mid‑level developers, set engineering standards, and...Senior
- ...Job Description Job Description Job Title: Mid-Level Cloud-Based Web Developer (FICO Blaze) Job Summary: We are seeking a highly skilled FICO Blaze Developer to join our team. The ideal candidate will have experience in developing and implementing FICO...
- ...Overview Seeking a collaborative Mid-Level UI/UX Designer & Graphic... ...Law Enforcement client. This role sits at the intersection of enterprise... ...with GIS and front-end developers to ensure technical feasibility... ...layouts/briefs), and Dreamweaver (web layouts/CSS). GIS Familiarity:...Remote workShift work
- ...teamwork, and dependability.Position Title: Contract Specialist (Mid-Level & Senior-Level) Client: Federal Agency Clearance: DHS... ..., BPAs).Interpret and apply the FAR, HSAR, and agency policies.Develop acquisition plans, J&As, D&Fs, solicitations, and award documents...SeniorContract workMonday to Friday
- ...find a Senior Full Stack Developer See details below: About The Role: Expression is seeking a highly... ...and maintaining web-based applications and systems... ...detail and expediency. Senior-level proficiency with React... ...review and mentor junior and mid level developers,...SeniorFull timeFor contractorsWork at officeLocal areaImmediate startRemote workRelocation
$88k - $128k
...deduplication. We require experience developing queries and reports. We require... ...Preferred: experience developing Web APIs. Preferred: experience working... ...support complex government missions. This Mid-Level .NET Developer role supports a large-scale .NET...Full timeFor contractors- ...Description Job Description Mid .NET DeveloperAbout Blue Rose... ...missions. About the role People First. Mission Always... ...Consulting Group is seeking a Mid-Level .NET Developer (Programmer 2) to support a... ...Framework and SQL Server. Support Web API development. Use...Remote work
- Marathon Consulting, a Platinum Umbraco Partner is seeking a web developer with Umbraco expertise to serve our digital marketing clients throughout... ...range Marathon Consulting reasonably expects to pay for this role at the time of posting. Actual compensation will be determined...
- ...BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA... ...us to work on cloud-native full-stack web applications, advanced data analysis tools... ...customers. Our engineer-led software teams develop technical solutions on an aggressive...SeniorFull timeFor subcontractor2 days per week3 days per week
- ...Configuration Control Manager (Mid to Senior Level)Location: Suitland, MDRequired Clearance: TS/SCISalary: NegotiableJob DescriptionThe contractor shall develop and maintain a Configuration Management Plan to establish baselines, policies and procedures, configuration...SeniorFor contractors
$89.6k - $204k
Software/Web Developer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal... ...being built. Key Responsibilities (Mid-Level) • Application Design &... ...qualifications to be successful in this role All roles require an active TS/SCI with...Work at officeLocal area$125k - $175k
...Job Description Please note: This role is targeted for a Q3/4 hiring timeline.... ...This is an exciting opportunity for a mid-senior level professional with experience in both new... ...while also evaluating existing structures, developing repair strategies, and overseeing restoration...SeniorTemporary workFlexible hours$80k - $105k
...ownership, and execution over bureaucracy. Mid-Level Full Stack Developer Location: Remote Terms: Full-... ...and DevSecOps environments. The role contributes to the development,... ...REST APIs SOAP/XML and REST/JSON Web Services Frontend JavaScript...Full timeWork experience placementRemote workFlexible hours$87.1k - $157.45k
...support a mission with visibility at senior levels, you’ll thrive here.We’re hiring a... ...build and maintain core backend services, develop RESTful APIs, support data‑driven functionality... ...is enabled for our customer. Why This Role Stands OutHigh Impact: Your work supports...Full time- Senior Full Stack Developer - Only W2 candidates (Back-fill role) Location: Alexandria, VA - 100% Onsite Employment Type: Contract Sponsorship: Candidates... ...Stack Developer with strong experience building modern web applications using React on the front end and Python...SeniorContract work
- Database Manager (Mid to Senior Level) Location: Suitland, MD Clearance: TS/SCI Salary: Highly Competitive Duties and Responsibilities: Perform... ...of acoustical data using export and import tools. Develop a plan, process, and procedure for migrating legacy data. Test...SeniorLocal area
- cFocus Software seeks a Mid-Level Application Developer to join our program supporting the Department of Homeland... ..., Experience Builder, Dashboards, web maps, hosted layers, or comparable... ...administration concepts, identity integration, role- and attribute-based access control,...Full timeRemote work
- cFocus Software seeks a Mid-Level Application Developer to join our program supporting the Department ofHomeland Security (DHS). This position is remote... ...reduce manual intervention. • Create and deploy custom web applications using ESRI's Experience Builder, or custom...Full timeRemote work
- Senior Full Stack Developer Active Top Secret or DHS Clearance. Location... ...and metadata management. This role combines hands‑on full‑stack... ...be adept at creating modern web interfaces, developing high‑performance... ...Top Secret Clearance, or Q-level Clearance. #J-18808-Ljbffr...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Web Developer (Mid and Sr Level roles). Be the first to apply!
- ecommerce web developer Washington DC
- remote web developer Washington DC
- drupal web developer Washington DC
- web api developer Washington DC
- web developer Washington DC
- web optimization specialist Washington DC
- work from home web developer Washington DC
- remote contract web developer Washington DC
- web associate Washington DC
- c# .net web developer Washington DC



