Senior Net Developer jobs in Mclean – Browse 201 openings on RoboApply Jobs

Senior Net Developer jobs in Mclean

Open roles matching “Senior Net Developer” with location signals for Mclean. 201 active listings on RoboApply Jobs.

201 jobs found

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company360IT Professionals logo
Senior .NET Developer

360IT Professionals

Full-time|On-site|McLean

Join our dynamic team at 360IT Professionals as a Senior .NET Developer, where you will play a pivotal role in developing robust applications and systems. We are looking for an innovative and experienced developer who is passionate about technology and eager to contribute to exciting projects.In this role, you will collaborate with cross-functional teams to design, develop, and implement high-quality software solutions. You will also have the opportunity to mentor junior developers and help shape the technical direction of our projects.

Jul 27, 2016
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companyAretum logo
Full-time|Remote|Remote — McLean, Virginia, United States

Join Aretum as a .NET Developer and be part of an innovative team dedicated to building cutting-edge applications. As a key player in our development process, you will design, develop, and maintain high-quality software solutions that meet the needs of our clients.

Apr 10, 2026
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company360IT Professionals logo
.NET Developer

360IT Professionals

Full-time|On-site|McLean

Join us at 360IT Professionals, where we seek a skilled .NET Developer to contribute to innovative projects that shape the future of technology. As a part of our talented team, you will have the opportunity to design, develop, and maintain high-quality software solutions. Your expertise in .NET frameworks and collaborative spirit will be essential in driving successful outcomes for our clients.

Jul 27, 2016
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companyusm2 logo
Full-time|On-site|McLean

Join usm2 as a skilled .NET Developer and make a significant impact on our innovative projects. You will be part of a dynamic team dedicated to delivering high-quality software solutions using the latest technologies.

Jul 12, 2016
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companyusm2 logo
Full-time|On-site|McLean

Join our dynamic team at usm2 as a Software Development Professional specializing in .NET technologies. In this role, you will contribute to innovative software solutions that drive our business forward. Your expertise will be essential in developing, testing, and maintaining applications that enhance user experience and operational efficiency.

Jul 12, 2016
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companyusm2 logo
Full-time|On-site|McLean

Join us at usm2 as a skilled .NET Developer, where you'll be part of a dynamic team dedicated to creating innovative software solutions. We are looking for an enthusiastic professional who is eager to contribute their expertise in developing robust applications.Your role will involve collaborating with cross-functional teams to design, develop, and maintain high-quality software applications. You will utilize your experience in .NET technologies to enhance system performance and user experience.

Jul 12, 2016
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companyeproinc logo
Full-time|On-site|McLean

Join our dynamic team at eproinc as a .NET Developer. In this exciting full-time, permanent position, you will have the opportunity to work on innovative projects that make a real impact. Your expertise in .NET development will be key to delivering high-quality software solutions that meet our clients' needs.

Mar 29, 2015
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company
Child Development Specialist

Positive Development

Part-time|$22/hr - $28/hr|On-site|McLean, VA

Role Overview:As a Child Development Specialist at Positive Development, you will engage directly with autistic children to foster their communication, social, and daily living skills through dynamic, play-based interactions. Your efforts will have a profound impact on their growth and development.Our Mission: At Positive Development, we are dedicated to creating opportunities for every child to flourish and for emerging professionals to acquire invaluable skills. Join us in making a difference!Why Choose This Position: This role goes beyond passive observation; you will actively coach and connect with children, gaining hands-on experience that is essential for careers in various fields, including psychology, social work, occupational therapy, speech-language pathology, special education, counseling, and healthcare.This deeply rewarding work requires patience, emotional maturity, and a commitment to the developmental journey of each child. You will receive guidance and support from seasoned clinicians and supervisors invested in your professional growth.Ideal Candidates: We are particularly interested in individuals who are:Passionate about supporting children and adolescentsCurious about human development and learning processesEmpathetic, patient, and enthusiasticReliable and committed to maintaining a consistent scheduleComfortable working in a home-based setting with familiesGreat candidates may include education majors, psychology students, pre-medical students, nursing students, or anyone eager to make a positive impact.

Mar 26, 2026
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companyusm2 logo
Full-time|On-site|McLean

Join usm2 as a Senior Development Engineer, where you will lead innovative projects and drive technical excellence within our development team. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that meet our clients' needs. Your expertise will be crucial in enhancing our development processes and guiding junior developers.

May 2, 2016
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companyAstor & Sanders Corporation logo
Senior Appian Developer

Astor & Sanders Corporation

Full-time|Hybrid|McLean, Virginia, United States

Senior Appian DeveloperAstor & Sanders Corporation (Astor) is a distinguished IT solutions provider located in McLean, VA, currently on the lookout for a talented Senior Appian Developer. This is a full-time, hybrid opportunity within the DMV region.The Senior Appian Developer plays a pivotal role in hands-on Appian application development, guiding cross-functional technical teams, and ensuring comprehensive system performance. Collaboration with architects, business analysts, and project managers is essential to design and deliver high-quality, secure, and scalable Appian-based applications. This position requires extensive expertise in Appian design objects, integrations, process models, and industry best practices.ResponsibilitiesDevelop, enhance, and maintain Appian applications, including interfaces, process flows, records, reports, and integrations.Lead a team of developers throughout the complete software development lifecycle: requirements gathering, design, development, testing, deployment, and maintenance.Conduct code reviews, solve complex technical challenges, and mentor the team in adhering to best practices and coding standards.Implement and manage DevSecOps practices to automate testing, security scans, and deployment pipelines.Provide high-level architectural guidance and ensure solutions comply with DOL’s enterprise architecture and relevant regulations (FISMA, FedRAMP).Work alongside the business analyst and scrum master to refine user stories, establish acceptance criteria, and ensure realistic development timelines.Coordinate security assessments, prepare documentation for audits, and address vulnerabilities within set timeframes.

Jan 7, 2026
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companyStemXpert1 logo
Full-time|On-site|McLean

We are seeking a highly skilled Senior Lotus Notes Developer to join our dynamic team at StemXpert1. In this role, you will leverage your expertise in Lotus Notes development to create, maintain, and enhance applications that support our business operations. You will collaborate with cross-functional teams to gather requirements, design solutions, and implement best practices in software development.

Jan 10, 2014
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companyusm2 logo
Full-time|On-site|McLean

Join usm2 as a Senior J2EE Developer and take your career to the next level. In this role, you will leverage your expertise in J2EE technologies to design, develop, and implement dynamic applications. Collaborate with cross-functional teams to deliver high-quality software solutions that meet client needs and drive business success.

May 2, 2016
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companyusm2 logo
Full-time|On-site|McLean

Join usm2 as a Senior Salesforce Developer and play a pivotal role in transforming our clients' business processes through innovative Salesforce solutions. You will be responsible for designing, developing, and implementing customized Salesforce applications that enhance user experience and drive operational efficiency.As a key member of our team, you will collaborate with cross-functional teams to gather requirements, translate them into technical specifications, and ensure the successful delivery of projects on time and within budget. Your expertise in Salesforce development and architecture will be crucial in guiding best practices and mentoring junior developers.

Aug 30, 2017
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companyIntegrated Resources, Inc. logo
Senior Java Developer

Integrated Resources, Inc.

Full-time|On-site|McLean

We are seeking a highly skilled Senior Java Developer to join our dynamic team in McLean, Virginia. The ideal candidate will possess extensive experience in Java development, demonstrating an ability to deliver robust and scalable software solutions. You will be responsible for designing, implementing, and maintaining Java applications, collaborating closely with cross-functional teams to define, design, and ship new features.As a Senior Java Developer, you will also mentor junior developers and contribute to architectural discussions, ensuring best practices are followed throughout the development lifecycle.

Jul 16, 2015
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companyAstor & Sanders Corporation logo
Senior Database Developer

Astor & Sanders Corporation

Full-time|On-site|McLean, Virginia, United States

We are seeking an experienced Senior Database Developer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining complex database systems to support our clients' needs. You will work closely with cross-functional teams to optimize database performance, ensure data integrity, and provide technical support.

Apr 6, 2026
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companyaretum logo
Full-time|Remote|Remote — McLean, Virginia, United States

aretum is seeking a Senior Java Backend Developer to help design and build backend systems for their team. This fully remote role is based out of McLean, Virginia, but allows for work from anywhere in the United States. Role overview This position centers on creating and maintaining backend solutions using Java. Collaboration with cross-functional teams is a key part of the job, ensuring software meets quality standards and project goals. What you will do Design and develop backend systems with Java Work closely with colleagues across different teams Tackle complex technical challenges to deliver reliable software Requirements Strong experience with Java backend development Interest in problem-solving and building technical solutions Ability to work effectively in a remote team environment

Apr 29, 2026
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companyAretum logo
Full-time|Remote|Remote — McLean, Virginia, United States

Location: Remote, McLean, Virginia, United States Clearance: Public Trust Eligibility Required This contingent position depends on Aretum securing the associated contract award and successful completion of any required background checks or security clearance processes. Role overview The Senior Python Developer leads integration for custom applications across diverse client systems. This position combines hands-on software development with mentoring responsibilities. As part of a federal consulting team, work may involve handling Controlled Unclassified Information (CUI) and following compliance and safeguarding requirements. What you will do Collaborate across teams in an Agile setting Develop FastAPI endpoints for content delivery Create and maintain microservices Contribute to both front-end and back-end development Mentor junior developers on Python design best practices Design and implement ETL processes Engage actively in team discussions and planning Manage multiple tasks and shifting priorities Work independently as well as within a group Apply strong interpersonal and communication abilities Coordinate with the Project Manager to address evolving client needs Requirements Minimum 8 years of Python development experience 8+ years working with object-oriented programming principles Bachelor’s degree, or 2 additional years of relevant experience in lieu of a degree Skilled in API development and integration Experience with microservices architecture Familiarity with JavaScript and JQuery Knowledge of search engines such as Solr or Elasticsearch Background designing and developing enterprise web and search systems Experience with enterprise database technologies, including Postgres and MySQL Hands-on with containerization tools like Docker, Podman, or Kubernetes Comfortable working with open-source solutions Familiarity with enterprise Python applications Expertise in CI/CD solutions Experience with large AWS deployments and Terraform Practice working within Agile methodologies Preferred Bachelor's degree in Computer Science or a related field

Apr 22, 2026
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companyusm2 logo
Contract|On-site|McLean

We are seeking an experienced Senior Java Developer to join our dynamic team in McLean, Virginia. As a vital member of our development team, you will be responsible for designing and implementing robust Java applications that meet the needs of our clients. This role requires a strong understanding of software development principles and a passion for delivering high-quality solutions.

Jul 6, 2017
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companyusm2 logo
Full-time|On-site|McLean

Join our dynamic team at usm2 as a Senior Appian Developer/Integrator. In this pivotal role, you will leverage your expertise in Appian to design, develop, and integrate innovative solutions that drive our business forward. Collaborate with cross-functional teams to identify requirements and create robust applications that enhance operational efficiency.

Feb 3, 2016
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companyanalyzedata logo
Contract|Remote|McLean

Role: Senior Java Developer (Spring Security)Location: McLean, Virginia - 22106Direct Client: ConfidentialPosition Type: Corp to Corp / W2Duration: 12 Months+Work Authorization: US Citizen; GC; EAD; H1BNote: Remote work is permitted initially, with relocation to McLean, Virginia required once the COVID-19 situation allows.Job Summary:Are you ready to elevate your career while earning above the market average? If you're a seasoned Java Backend Developer seeking both challenge and stability, we have the perfect opportunity for you. Join our IT Solutions Integrator/Consulting Firm as we partner with a prestigious financial client to hire a Senior Developer for an exciting two-year project.Key Responsibilities:Engage in hands-on Java development to design a policy engine akin to AWS IAM.Collaborate closely with management to address client stakeholder needs.Show enthusiasm for learning and adapting to new technologies.Foster a culture of innovation, continuous improvement, and teamwork.Document all created or modified functionalities clearly.Influence and collaborate with business lines and other IT teams effectively.Qualifications:You should possess expertise in some or all of the following:Experience in developing complex applications utilizing Java 8, Spring Security, and MongoDB.Proficiency in high-level technologies such as Java, Spring Boot, and REST/Microservices.Knowledge of cloud solutions implementation on platforms like AWS, Azure, or Google.A collaborative spirit to enhance development approaches alongside your team.Strong critical thinking and communication skills to interact with diverse stakeholders.A Bachelor’s degree in a relevant field.Preferred Qualifications:Experience with Identity and Access Management (IAM) using tools like PING Identity, OAuth 2.0, and OpenID Connect (OIDC).

Mar 24, 2020

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