principal software developer Jobs in washington

Refine Results
841 - 860 of 1,027 Jobs

Lead Python Developer

Eliassen Group

•

Anywhere, US

Contract

Description: **100% Remote** Our client, a real estate services company is looking to engage an experienced lead Python developer. Rate: $65 - $70/hr Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Act as a Lead member of an Agile Development Team to deliver flexible, scalable, re
Posted 55 days ago | Updated 8 hours ago

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
Easy Apply
Posted 26 days ago | Updated 5 days ago

Staff Android Engineer, Accessibility & UI Systems

Block Inc

•

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 24 days ago | Updated 8 hours ago

Staff Android Engineer, Accessibility & UI Systems

Block Inc

•

Remote or New York, New York, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 24 days ago | Updated 8 hours ago

Kogito Technical Lead - Remote

MSYS Inc.

•

Remote

Contract, Third Party

Title: Kogito Technical Lead - Remote Location: Remote Length:6-8 Months Description: Webcam interview Long term project Remote Job Summary: We are seeking an experienced Kogito Technical Lead / Senior Developer to join our engineering team. This role is responsible for designing, developing, and deploying cloud native applications using the Kogito framework for process automation and decision management. You will collaborate closely with cross functional teams to implement robust and scalabl
Easy Apply
Posted 4 days ago

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
Posted 11 days ago | Updated 8 hours ago

Lead Java Developer with AWS

EPAM Systems

•

Remote

Full-time

We are looking for a Lead Java Developer to join a highly collaborative agile team. You will experience great culture in a rapidly scaling company while using world-class technologies. While the role is primarily back-end focused, there are opportunities to work across the full stack from UI to end data points. If this sounds like your kind of thing, apply today! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped o
Posted 60+ days ago | Updated 5 days ago

Principal Propulsion System Performance Engineer (P4) - Hybrid

RTX Corporation

•

Remote or East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or a
Posted 27 days ago | Updated 8 hours ago

Senior Full Stack Software Engineer - Capital One Software (Remote)

Capital One

•

Remote or Richmond, Virginia, USA

Full-time

Senior Full Stack Software Engineer - Capital One Software (Remote) Ever since our first credit card customer in 1994, Capital One has recognized that technology and data can enable even large companies to be innovative and personalized. As one of the first large enterprises to go all-in on the public cloud, Capital One needed to build cloud and data management tools that didn't exist in the marketplace to enable us to operate at scale in the cloud. In 2022, we publicly announced Capital One So
Posted 10 hours ago

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
Posted 2 days ago | Updated 8 hours ago

Senior / Lead ML Engineer

Kforce Technology Staffing

•

Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Senior ML Engineer to join their team in Atlanta, GA. They are looking for a senior data scientist/agentic AI architect with heavy ML/MLops experience (strong Python) who can evaluate and implement models that are provided by the enterprise. They are really searching for someone who can analyze the models and select which model can be used for which situation. The Senior/Lead ML Engineer will need deep ML knowledge but will not be building m
Posted 3 days ago | Updated 1 hour ago

Principal Packaging Engineer-W2 ONLY

VetForce Solutions

•

Remote

Contract

Essential Duties and Responsibilities Lead and/or contribute to the planning and execution of packaging projects for a variety of project types including Quality/CAPA, Regulatory Compliance, Supplier Notices of Change, Cost Savings, and New Product Introductions at various domestic and international manufacturing facilities. Manage projects with moderate complexity and scope and be required to effectively manage multiple projects with minimal assistance and supervision. May work on a large scale
Easy Apply
Posted 4 days ago

Lead Full-Stack .NET Engineer

EPAM Systems

•

Remote

Full-time

We seek a Lead Full-Stack .NET Engineer with solid Angular and Azure services proficiency who is passionate about engineering practices and cloud-native architectures. You can work on a compound tax calculation and analytics platform tailored for one of the world's largest accounting firms. If you are prepared to lead a team and drive exceptional software engineering practices, we invite you to apply. Along with the work in Georgia, you may also consider further relocation to Poland. To disco
Posted 60+ days ago | Updated 5 days ago

Remote : Kinaxis Rapid Response Lead Developer (Supply Chain Planning)

SoftPath Technologies LLC

•

New Jersey, USA

Contract, Third Party

Hi, Greetings For The Day, I'm Sushmitha from SoftPath Technologies LLC and works in a Recruitment. We have a position for Kinaxis Rapid Response Lead Developer (Supply Chain Planning) @ Remote with our client and your profiles matches to requirement. Can you please check below JD and if you are interested then please share your updated resume to Role: Kinaxis Rapid Response Lead Developer (Supply Chain Planning) Exp: 9+yrs Location : NJ, Remote Type : FTE What you will do Perform requirement
Easy Apply
Posted 60+ days ago | Updated 22 hours ago

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
Posted 15 days ago | Updated 8 hours ago

Principal Solution Engineer

Snowflake Inc.

•

California, USA

Full-time

Where Data Does More. Join the Snowflake team. We are looking for a Senior Solution Engineer who is accustomed to solving customer's most complex problems and closing large deals. In this role you will work directly with the sales team and channel partners to understand the needs of our customers, strategize on how to navigate winning sales cycles, provide compelling value-based demonstrations, support enterprise Proof of Concepts, and ultimately close business. As a Snowflake Solution Engineer
Posted 60+ days ago | Updated 8 hours ago

LEAD SALESFORCE DEVELOPER | COLUMBUS, OH (REMOTE)

Columbus Technology Solutions

•

Remote or Columbus, Ohio, USA

Contract

JOB TITLE: LEAD SALESFORCE DEVELOPER JOB DURATION: 8-12 MONTHS JOB LOCATION: COLUMBUS, OH (REMOTE) EXPERIENCE: 9+ YEARS VISA: , GC-EAD - CAN APPLY. - (NO H1B) LINKEDIN IS MANDATORY Job Summary: We are seeking an experienced and highly motivated Lead Salesforce Developer to drive the design, development, and deployment of Salesforce solutions across our organization. This role requires strong technical expertise in Salesforce development, leadership capabilities, and the ability to collabor
Easy Apply
Posted 3 days ago | Updated 3 days ago

IT Security Engineer - Lead

Navigant Consulting

•

Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult
Posted 60+ days ago | Updated 8 hours ago

Principal Network Operation Engineer - GNOC (Remote)

Oracle Corporation

•

Texas, USA

Full-time

Job Description We are seeking a skilled and proactive engineers with 6+ years of experience to join our Global Network Operations Center (GNOC) team. The GNOC is our front-line for addressing physical network issues and operates 24x7x365 to ensure the reliability and efficiency of our physical network infrastructure. The team is responsible for performing data collection, triage, technical analysis, incident mitigation, and redirection as necessary to maintain and optimize operations. This ons
Posted 21 days ago | Updated 8 hours ago

Senior Structural Engineer - Rail and Transit - Hybrid Remote

Parsons Services Company

•

Remote or New York, New York, USA

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: Parsons is now hiring an experienced Senior Structural Engineer (Hybrid Remote with
Posted 31 days ago | Updated 8 hours ago