principal software developer Jobs in washington

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Staff Machine Learning Engineer (Modeler), Advanced Insights and Modeling

Block Inc

California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,

Lead Engineer - Microgrid and BESS Applications

Leidos

Remote

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the kind of environment where you c

Staff Software Engineer - UI and Interactions (Full-Stack)

Discord Inc.

Remote or San Francisco, California, USA

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. Join our team as

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,

Lead Software Engineer - Backend (Hybrid/Onsite)

Visa Inc.

Remote or Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Lead Account Solution Engineer - Public Sector: State and Local Government

Salesforce

Remote or Dallas, Texas, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Sales Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving your performance a

Lead Software Engineer, CoCounsel AI Assistant

Thomson Reuters U.S. Inc.

Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer, CoCounsel AI Assistant Are you a Full Stack software engineer passionate about building AI-driven products? Would you like to help shape the future of agentic UIs? If that's you, then consider joining the CoCounsel AI Assistant team as a Lead Fullstack Software engineer. You'll be part of a team responsible for pushing forward innovative products for legal and other professionals. About the Role The CoCounsel AI Assistant team is both a platform and a product team. The Le

Salesforce Architect

IntellectFaces, Inc.

Remote

Contract, Third Party

Key Responsibilities:Salesforce Development: Lead the design, development, and implementation of custom Salesforce applications and integrations, ensuring they meet business requirements.Customization and Configuration: Configure Salesforce applications using declarative tools (e.g., Process Builder, Flow Builder, and Workflow Rules) and develop custom solutions using Apex, Visualforce, Lightning Web Components (LWC), and other Salesforce development tools.Leadership & Mentorship: Provide leader

Senior Java/ Big Data Developer- (Hybrid)

Citi

Remote or Jersey City, New Jersey, USA

Full-time

Lead Java developer with experience in designing and developing Java/J2EE based web applications with good skills in JavaScript for development of Risk and Finance dashboard application that provides sensitive data to senior management. Application involves business process workflow and analytical data, Web front end development using JavaScript. The candidate must have software development experience in Java with expert level skill set in Core Java, Spring, Web Services and J2EE. Should be able

Lead React Native Engineer

EPAM Systems

Remote

Full-time

We are looking for a Lead React Native Engineer to make our Georgian team even stronger. This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking space in Kutaisi. TECHNOLOGIESJavascript, Typescript, React.js, State-management, React Native, OOP, FP, FRP, HTTP, WS, REST, GraphQL RESPONSIBILITIESLead/supervise development groupBe responsible for the project's layer delivery, incl

Principal Engineer - Steam Turbine

ENTRUST Solutions Group

Remote or Greenville, South Carolina, USA

Full-time

Join ENTRUST's Power Generation group as a fulltime-Principal Engineer - Steam Turbine focused on supporting steam turbines engineering activities. This position offers remote and hybrid schedule options with minimal travel required. ENTRUST Solutions Group Power Generation offers independent third-party engineering solutions to global power providers and plant operations. Power Generation's service offerings cover conventional and renewable power, as well as compliance, encompassing plant conc

Lead MS Dynamics 365 Engineer

EPAM Systems

Remote

Full-time

We are currently inviting a Lead Software Engineer with 5+ years of experience in Microsoft Dynamics 365 CE. In this role, you will be responsible for developing and customizing products and integrating them with external systems. As a Lead MS Dynamics 365 Engineer, you will provide technical leadership and guidance to the team of developers, collaborate with stakeholders and contribute to the project for one of the world's largest investment companies. This position offers remote setup with th

Sr. Staff Software Engineer, ML Platform

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

Lead ServiceNow Engineer

EPAM Systems

Remote

Full-time

We are looking for an experienced and dedicated Lead ServiceNow Engineer to join our team. In this role, you will be responsible for technical supervision, solution design, and hands-on development as part of a greenfield ServiceNow ITSM implementation project. Your work will include the creation of both a front-end portal and corresponding backend modules. This is a great opportunity for a knowledgeable professional who is ready to take on leadership duties and guide a team through a major IT

Principal FPGA Design Engineer

Draper

Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Principal Substation P&C Engineer

ENTRUST Solutions Group

Remote

Full-time

Join Our Team as a P&C Engineer! Are you passionate about power systems and looking to make a significant impact in the field of protective relaying and control systems? We have an exciting opportunity for you to join our dynamic team! What You'll Do: Stay Ahead: Keep up to date with NERC and NPCC protection and control standards.Innovate: Engineer protective relay and control systems, calculate relay settings, create relay control logic, and analyze relay operations for transmission/distribut

Lead Java Middle Tier Developer- C13 - JERSEY CITY

Citi

Remote or Jersey City, New Jersey, USA

Full-time

The Lead Java Middle Tier Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Write good and well-tested code in JavaSOA API middleware implementation (both REST and SOAP)Write user/supporter documentation Development environment support (mostly automation

Principal Engineer, Design Engineering (Hybrid)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-27 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s

Senior Full-Stack Lead Application Engineer - Jersey City, Hybrid

Citi

Remote or Jersey City, New Jersey, USA

Full-time

About Citi Citi, the leading global financial services company, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Our core activities are safeguarding assets, lending money,