Mid Level Developer Jobs in Washington, DC

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541 - 560 of 2,336 Jobs

Lead Full Stack Developer

ICF

•

Reston, Virginia, USA

Full-time

The Lead Developer will play a pivotal, technical-leadership role in successfully deploying technical solutions for our clients. This role will be responsible for configuring, customizing, and implementing ServiceNow applications to meet specific business requirements. Technical expertise and attention to detail are critical to the success of our projects and the satisfaction of our clients. Job Responsibilities Collaborate with analysts and stakeholders to provide technical guidance throughout
Posted 60+ days ago | Updated 11 hours ago

Senior System Engineer (Government)

AT&T Inc.

•

Oakton, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to
Posted 60+ days ago | Updated 11 hours ago

Sr Python Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 60+ days ago | Updated 11 hours ago

FPGA Hardware Engineer

Leidos

•

Linthicum Heights, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Active TS/SCI with a polygraph is required. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11
Posted 19 days ago | Updated 7 hours ago

Software Developer Senior

Jacobs

•

Washington, District of Columbia, USA

Full-time

Amentum is searching for a Top Secret cleared Software Developer (Senior) to join our team in Washington, DC. As a Top Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debu
Posted 60+ days ago | Updated 11 hours ago

Lead Engineer / Fullstack / Java / Payments

Motion Recruitment Partners, LLC

•

Remote

Full-time

A well-known retail company is looking for a Lead Fullstack Engineer to help build a new internal platform for pricing and promotions. It's a tech-forward team where engineers help drive decisions, and most of the work is focused on new product development and features. You'll work with Java/Kotlin, Spring Boot, Angular, and PostgreSQL, while also mentoring others and shaping how the team builds software. The org is led by a former SaaS engineer with a clear vision to build a world-class IT shop
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Posted 9 days ago | Updated 7 hours ago

Full Stack Developer Sr

Jacobs

•

Washington, District of Columbia, USA

Full-time

As a Sr Full Stack Developer at Amentum, you'll be at the forefront of designing, developing, and deploying sophisticated enterprise applications in support of government IT missions. You'll lead efforts across the full software development lifecycle while applying advanced technical knowledge and strategic insight to create systems that are efficient, secure, and scalable. Your day-to-day responsibilities will include: Lead architectural design and development efforts for enterprise-level appli
Posted 6 days ago | Updated 11 hours ago

Senior Security Managger

American Association Of Motor Vehicle Admin.

•

Arlington, Virginia, USA

Full-time

Position Summary: The Security team is organized around three pillars: Security Engineering & Operations, Security Architecture, and Governance, Risk & Compliance (GRC). The Sr. Manager Security is responsible for all the activities carried by the Security Engineering & Operations team. In that capacity, the Sr. Manager works in close partnership with the Manager of GRC and the Architecture team to identify, design, implement, and maintain processes and technologies across the enterprise, to re
Posted 60+ days ago | Updated 8 hours ago

Senior Developer - McLean, VA - Onsite. Must have 12+ years of Core Java development experience

Keylent

•

McLean, Virginia, USA

Contract, Third Party

Job Requirements: 12+ years of Core Java development experience, familiar with Java 8 or higher. Able to deliver end to end project. Experience with java development and aware of java patterns. Experience in Spring Boot and Microservices uses for development. Experience of development project and developed functionalities using java, j2ee. Must have AWS experience. Must have Angular experience. AWS services (S3, SQS, SNS,ECS, Lambda, AWS Cloud watch etc.) Experience on AWS deployed application.
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Posted 18 hours ago

Remote- SAP Lead ABAP Developer

E-Solutions, Inc.

•

Remote or Jackson, Mississippi, USA

Contract, Third Party

Hi, I am Tarun and I work as a Manager at E-Solutions, I'm doing a search for a client who has an urgent requirement SAP ABAP Lead Developer contract opportunity. Job Title: SAP Lead ABAP Developer Location: 100% Remote Project Duration: 07/01/2025 07/01/2030 Contract Type: Long-term Contract Position Overview We are seeking an experienced SAP Lead ABAP Developer to lead a team of developers and support the enhancement and integration of a large-scale government SAP system. This position involv
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Posted 44 days ago | Updated 12 hours ago

Senior Software Engineer

Booz Allen Hamilton

•

Remote

Full-time

Job Number: R0221087 Software Engineer, Senior The Opportunity: We're looking for a passionate Senior Full-Stack Software Engineer to work with a fast-paced, highly collaborative software development team building and launching capability for Enterprise web-based systems in the Cybersecurity field. You'll have the opportunity to work on building a web-based SaaS solution automating Cybersecurity Risk Management and Vulnerability or Configuration Monitoring. You'll be responsible for breaking do
Posted 34 days ago | Updated moments ago

Senior Plant Engineer

GE Vernova

•

Remote

Full-time

Job Description Summary The Senior Plant Engineer is the plant engineering representative at the launch of all projects and will control the technical execution of the project through closeout. The Sr Plant Engineer is accountable to lead other engineers to define plant solutions & tools and to support proposal tender offerings and project execution. The Senior Plant Engineer will also serve as technical mentor resolving conflicts and certifying finished engineering products as proper and correc
Posted 5 days ago | Updated 11 hours ago

MuleSoft Senior Developer

Ignitec Inc.

•

Remote

Contract

MuleSoft Senior Developer This is a Full-Time (W2) Remote position supporting The United States Postal Service (USPS). Full benefits, PTO, and paid holidays are inclusive to this position. Number of Available Positions: 1 Salary Target: Open Consideration Hiring Structure: 6 Month Contract to Hire (Temp to Perm) Project Based: San Antonio, TX- Remote Requirements: Public Trust Clearance; Prior professional experience supporting a Federal Government Agency/Project within the past 2 years; Complet
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Posted 8 days ago

Senior Security Engineer, Sailpoint Development Team Lead - IAM

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY: We are seeking an experienced and motivated Sr. Engineer to lead the Sailpoint development for our dynamic IAM team. The incumbent will play a pivotal role in guiding our development team to deliver high-quality software solution and will utilize their deep understanding of SailPoint Identity IQ, IGA best practices to delivery on complex IGA projects. This position requires a combination of technical expertise, leadership skills, and project management capabilities
Posted 1 day ago | Updated 11 hours ago

Senior Firewall Engineer

SAIC

•

Quantico, Virginia, USA

Full-time

Job ID: 2507101 Location: QUANTICO, VA, US Date Posted: 2025-07-02 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction: Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capa
Posted 14 days ago | Updated 9 hours ago

Lead Kafka Software Engineer and Architect

Booz Allen Hamilton

•

Lanham, Maryland, USA

Full-time

Job Number: R0220652 Kafka Software Engineer and Architect, Lead The Opportunity: There is an increased desire for more near real-time data supporting event-driven architectures and delivery of support. As a Kafka sof tware engineer, you know that organizing data streams and events can yield pivotal insights when they're gathered from disparate sources. We need an experienced Kafka engineer like you to help our clients deliver the critical data. As a Kafka engineer at Booz Allen, you'll implem
Posted 43 days ago | Updated moments ago

Senior Salesforce Developer - Remote

ICF

•

Remote or Reston, Virginia, USA

Full-time

ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are passionate about building a culture that encourages, embraces, and hires dimensions of difference. Our Health Engineering Systems (HES) team works side by side with customers to articulate a vision for success, and then make it happen. We know success doesn't happen by accident. It take
Posted 12 days ago | Updated 11 hours ago

Senior Engineer

Kforce Technology Staffing

•

Remote or North Haven, Connecticut, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Engineer in North Haven, CT. Duties: * Senior Engineer will serve as technical lead on major bridge design, rehabilitation, and inspection projects * Lead and provide oversight of structural analysis, load ratings, plan production, and specifications * Guide the development and QA/QC of engineering deliverables to meet client and regulatory expectations * Interface directly with DOTs, municipalities, contractors, and other stakehold
Posted 60+ days ago | Updated 4 hours ago

Virtualization Engineer

Unisys

•

Washington, District of Columbia, USA

Contract

Unisys is an Information Technology and Business Consulting firm providing project-based solutions, software solutions and professional staffing services. -"Those authorized to work in the United States are encouraged to apply. We are unable to sponsor at this time.Job Title: Sr. Virtualization Engineer Location : 1200 New Jersey Ave. SE Washington, DC 20591 (Hybrid - 2 Days a Week) Duration: 6 months, yes possibility of extension The Senior Virtualization Engineer will support all aspects of V
Easy Apply
Posted 60+ days ago | Updated 6 hours ago

Appian Senior Developer

iTek People, Inc.

•

Remote

Contract

Role: Appian Senior Developer Location: Remote Experience: 10+ Job Description: Key Responsibilities: Design, develop, test, and deploy Appian-based BPM applications aligned with business needs. Work closely with business analysts, architects, and other developers to transform requirements into scalable solutions. Create process models, SAIL interfaces, records, reports, and Appian sites. Integrate Appian applications with external systems via REST/SOAP APIs, databases, and third-party tools. Co
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Posted 14 hours ago