Principal, Software Engineer Jobs in District of Columbia

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Senior Bridge Engineer - Transportation Infrastructure

Parsons Services Company

Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: SENIOR / PRINCIPAL BRIDGE ENGINEER - TRANSPORTATION INFRASTRUCTURE - PACIFIC NORTHWE

Senior Lead Generative AI Engineer

Photon

Remote

Full-time, Third Party

Senior Lead Generative AI Engineer Location - Remote , USA For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check . We are seeking a Senior Generative AI Engineer with a passion for building intelligent, agentic systems that transform how consumers interact with healthcare.

ENGINEER or SCIENTIST

CARDEROCK DIV NS

Indian Head, Maryland, USA

Full-time

Summary You will serve as an ENGINEER OR SCIENTIST in the PLATFORM INTEGRITY DEPT (C/60), MATERIALS & MANUFACTURNG TECH DIV (C/61), NON METALLIC MATL'S R&E BRANCH (C/617) of CARDEROCK DIV NS. This position is part of the Warfare Centers Personnel Demonstration Project. The ND-5 pay band encompasses positions equivalent to GS-14 and GS-15. Summary You will serve as an ENGINEER OR SCIENTIST in the PLATFORM INTEGRITY DEPT (C/60), MATERIALS & MANUFACTURNG TECH DIV (C/61), NON METALLIC MATL'S R&E BR

Sr. RPA Developer

Dew Softech Inc

Remote or Atlanta, Georgia, USA

Full-time, Part-time, Third Party, Contract

Sr. RPA Developer Location: Atlanta, GA (Remote) Duration: 12+ Months Interview Type: Web Cam Interview Only Short Description: We are seeking an experienced and dynamic Senior RPA Developer and technical lead to join the agency based in Atlanta, Georgia. Local to Atlanta for in-person meetings. Complete Description: As part of the RPA team, this individual will lead the design, development, and implementation of UiPath automation solutions while mentoring a team of developers and ensuring ad

Senior / Lead Appian Developer - Level 3

TECH Tammina

McLean, Virginia, USA

Contract

Role: Full Stack Specialist (Appian Developer Lead) Location: Onsite McLean, VA Assignment Type: 3M CTH Must Haves: 10+ years of experience leading a team of developers, 7+ years with Appian - design, development, configuration and Infrastructure. 5+ years of Core Java and extensive experience developing Java plugin for Appian. 5+ years using latest deployment methodologies (Automated pipelines, Atlassian tools). 5+ years of experience with databases, API's and ability to create integration wi

Solution Design Lead {E-commerce Architect with VTex}

Highbrow

Remote

Full-time

Job Description: * Overall 15+ years of experience and good hands on experience in design and architecture. * 10+ years of experience working on and leading a team of engineers for large software development projects. * Strong and Must have Experience using .Net, React, NodeJS, JSON, NoSQL, Spring/Spring Boot, .Net, Microservices. * Experience with leading a team of back and front end engineers, guiding team with technology and design delivery details for frontend and backend. * Solid experience

Staff Full Stack Engineer, Platform Services

Calendly

Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Platform Services team? You will play a crucial role in designing, developing, and maintaining the foundational services and capabilities that support our engineering teams and drive the success of our products. You will leverage your deep technical expertise and leadership skills to influence platform architecture; guide engineering practices and execution; and ensure the resiliency, scalability, and performance of our pl

Senior Data Center Engineer

Roblox

Ashburn, Virginia, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Lead Robotics/AI SW Developer/Engineer

UVS Infotech

Washington, District of Columbia, USA

Full-time

Lead Robotics/AI SW Developer/Engineer About UVS Infotech: UVS Infotech is a Laurel, Maryland-based, IT System Integrator with expertise in Emerging Technologies: Artificial Intelligence, Machine Learning, Robotic Process Automation, Blockchain, Identity & Access Management, and Identity Proofing. We help federal agencies modernize legacy systems, enhance decision-making, and improve service delivery. Our team blends technical excellence with deep domain knowledge to drive innovation in missio

Lead Field Service Engineer - Automation

GE Vernova

Remote

Full-time

Job Description Summary GE Vernova's Power Conversion & Storage business combines advanced energy conversion and storage systems to meet the electrification needs of utilities and industries. With a focus on power stability, energy storage and industrial electrification solutions, Power Conversion & Storage empowers customers by addressing their most complex electrification challenges and accelerating their transition to a sustainable, decarbonized future. The Lead Field Service Engineer - Autom

SAP Principal ABAP Developer

RTX Corporation

Remote or Connecticut, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: UTCT1: Corp - CT - Remote Remote Location, Remote City, CT, 06101 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems

Senior Staff Verification Engineer

Marvell Semiconductor Inc.

Texas, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be

Senior Staff IT Developer

Right Skale, Inc.

Illinois, USA

Third Party

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

Sr Lead Planning Engineer

Apex Systems

Remote

Full-time

Job#: 2083400 Job Description: If interested in the opportunity below please email a copy of your resume to Job Title: Senior Lead Planner Location: Remote 12 Month Contract w/ Possible Extension Role Overview The Senior Lead Planner sets strategic direction for systems, networks, user services, and vendor development initiatives. This role defines organizational standards, ensures system interoperability, and validates features and functions through rigorous testing. It involves analyzing

Sr. Staff Machine Learning Engineer

Pinterest, Inc.

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility

Senior Staff Full Stack Engineer

eBay Inc.

Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Lead SVC/STATCOM/FACTS Application Engineer

GE Vernova

Remote or Saratoga Springs, New York, USA

Full-time

Job Description Summary The STATCOM Application Engineer will play a critical role in providing expert technical support for GE Vernova FACTS. This position requires a highly technical, customer-focused, and self-motivated individual. As a key member of this world-class team, the engineer will lead the technical strategy and proposal efforts for Flexible AC Transmission System (FACTS) projects. The primary responsibilities include technical business development, analyzing customer system-level r

E Commerce Architect with Vtex

kjohn@samrusystems.com

Remote

Contract, Third Party

Role E-commerce Architect with VTex Location Remote NOTE: This position requires recent 2-3 years of experience with VTex Job Description: Overall 15+ years of experience and good hands on experience in design and architecture. 10+ years of experience working on and leading a team of engineers for large software development projects. Strong and Must have Experience using .Net, React, NodeJS, JSON, NoSQL, Spring/Spring Boot, .Net, Microservices. Experience with leading a team of back and front en

Database Engineer

intiGrow

Remote

Contract

100%Remote We are seeking an experienced Staff Database Engineer (contractor) to design, build, and optimize complex data systems. This senior-level contractor will work across multiple domains including data architecture, pipeline development, and system operations. Key Responsibilities Design and implement scalable and reliable data architectures that support large-scale data processing, transformation, and analysis. Develop, maintain, and optimize ETL/ELT pipelines using modern tools and

QA Automation Engineer

Application Management Services LLC

Remote or Mexico City, Mexico City, Mexico

Contract

Must be LATAM only. What You Will Do: Be the quality champion for your team, owning the end-to-end validation of features, including requirements definition and quality signoff.Collaborate with technology lead and engineers to understand requirements and align on test strategies.Leverage robust automation frameworks for testing APIs, mobile applications (iOS and Android), and web platforms to ensure reliable releases.Be the owner of your test suite. Actively monitor the results of your automatio