Principal Software Engineer Jobs in Chicago, IL

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Lead Transmission Line Engineer

Leidos

Remote

Full-time

About Leidos Leidos is a Fortune 500 company aimed at embracing and solving some of the world's most pressing challenges. Through science and technology, Leidos makes the world safer, healthier and more efficient. Get familiar with Leidos Life, our radical program for employees to balance work & life. Job Description We are seeking a Lead Transmission Line Engineer who will manage a collaborative and dynamic team working in a fast- paced environment, solving challenging problems involved wi

Staff Full Stack Engineer (Frontend Focused)

Calendly

Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Engineering team? We make things possible for our customers through innovation. Why do we need you? We are seeking a Staff Full Stack Engineer to join our growing team. This is a key role where you will focus on creating reusable frontend components for an exciting new product going from 0 to 1. You'll drive the design and architecture of our frontend system, ensuring scalability, performance, and reusability while embraci

Substation P&C - Owners Engineer

ENTRUST Solutions Group

Remote or Allentown, Pennsylvania, USA

Full-time

Are you passionate about power systems and looking to make a significant impact in the field of protective relaying and control systems? ENSTURST Solutions Group has an exciting opportunity for you to join our dynamic National Substation team! This position will be act as an Owners Engineer (OE) for a client in Allentown, PA. In this position you will have the following responsibilities: Lead responsible engineer for oversight of Engineer of Choice (EOC) substation design projects, including ph

Senior Protection and Control Engineer

GE Vernova

Remote

Full-time

Job Description Summary The Senior Protection & Control (P&C) and System Engineer works on T&D substations for AC, HVDC and FACTS projects with designers, peer engineers & leaders.They are responsible for the review of P&C designs developed by the project teams and confirm compliance with project specifications and applicable Standards. The Engineer should actively work on mentoring the secondary design team and acts as its main technical authority while also representing GE with external standa

Lead Svelte Front End Developer

New York Technology Partners

Remote

Contract, Third Party

What We re Looking For 8+ years of experience in software engineering and frontend application development.Expertise of the Svelte framework and strong portfolio of Svelte projects. Strong proficiency JavaScript/TypeScript and Svelte. Proficiency in Python. Experience throughout the software development life cycle, including design, architecture, development, testing, deployment, maintenance, frontend, backend, and DevOps.Proficiency using Azure or similar cloud computing ecosystemStrong commun

IT Security Engineer/Lead

Accylerate

Remote

Contract

Title: IT Security Engineer/Lead Location: Richmond, VAWork Type: 100% remote Duration: Long-term Contract bout the RoleWe are seeking a highly experienced Security Architect IV to join our team on a contract basis. This role will focus on developing and documenting System Security Plans (SSPs) for suppliers and enterprise applications, ensuring compliance with COV SEC530 standards and the NIST 800-53 framework.The ideal candidate will have a strong background in security architecture, control a

Principal Virtual Cloud Networking Data Plane Developer

Oracle Corporation

Remote

Full-time

Job Description We are a team that builds and maintains the OCI Software Defined Network (SDN) stack. Currently, we are looking for hands-on engineers with expertise and passion in solving difficult problems in high-availability, virtualized networks, and network packet processing. These are exciting times, and our team is undergoing rapid growth while working on many new ambitious initiatives. Principal engineers are expected to lead small teams and will have significant technical and business

Lead Protection and Control Engineer 1 - Grid

Sargent & Lundy LLC.

Warrenville, Illinois, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for distribution and high voltage substations. As a Lead Protection & Control Engineer you will primarily review the work of others. That work will typically consist primarily of protection and control schematics and wiring drawings for a wide range of su

Lead Tableau Developer - VP - TAMPA

Citi

Remote or Tampa, Florida, USA

Full-time

The Apps Sup Tech Lead Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. Requires basic commercial awareness. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guid

DataDog Lead with Vector. dev

SumasEdge Corporation

Remote

Third Party, Contract

Title: Datadog Lead with Vector.dev Experience Duration: 12 months Location: Remote Job Summary: As a Vector.dev , you will be responsible for the strategic implementation, optimization, and management of Vector.dev within our data infrastructure. You will act as the primary resource for Vector.dev, providing expert guidance, support, and solutions to optimize data collection, transformation, and routing processes. Requirements: Experience: Proven experience working with Vector.dev in a producti

Lead Full Stack Developer (Python + JavaScript)

EPAM Systems

Remote

Full-time

We are looking for a Lead Full Stack Developer to join our team and work with a global, patient-focused pharmaceutical client. This role will involve performing on our in-house Computational Pathology Portal, a cloud-based application for biomarker discovery in oncology drug programs. If this resonates with you, kick-start the next exciting chapter of your career with EPAM! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-e

Engineer, Sr Staff Fuels

Constellation Energy

Warrenville, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

Gen AI Engineer/Lead

Diverse Lynx Llc

Remote

Contract

Title: Gen AI Engineer/Lead Location: Remote is fine Duration: Fulltime Job Description:- Gen AI Engineer Must Have Technical/Functional Skills Programming languages (Python / PySpark)Machine learning algorithms and architecturesVector DB, RAG Pipeline - Architecting and implement RAG pipelines, integrating enterprise data with retrieval layers and language models.Agentic AI System - Building and scaling Agentic AI systems capable of autonomous task planning, execution, and feedback loops.Experi

Lead ServiceNow Engineer (WSD)

EPAM Systems

Remote

Full-time

We are actively seeking a Lead ServiceNow Engineer with expertise in Workplace Service Delivery to join our core implementation team. In this role, you will have the unique opportunity to lead the global deployment of ServiceNow and play a pivotal role in shaping our organization's technological future. This position is ideal for strategic thinkers who are ready to take on challenges and drive significant transformations across multiple disciplines. This position offers remote setup with the fle

COE - Lead Onshore Full-Stack Developer - C1 (Java + React Js)

QualiTest

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Lead Full-Stack Developer to join our growing team in United States! Responsibilities: Lead, Oversee and manage the offshore development team, ensuring seamless collaboration and high-quality code delivery. Assess, Evaluate and Hire new offshore

Staff ASIC & FPGA Design Engineer (HYBRID TELEWORK)

Lockheed Martin Corporation

Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description We are committed to work-life balance by promoting this hybrid telework opportunity. These job requirements allow the employee to work at a Lockheed Martin-designated office or job site for part of their schedule and has a predefined regular, recurring telework schedule for the remaining part of their work schedule. Who We Are Lockheed Martin is dedicated to shaping, developing, & advancing technologies & capabilities with a focus on our customers' needs as part of our 21st Cen

Salesforce Developer Lead/PM

InfoVision, Inc.

Remote

Third Party, Contract

Salesforce Developer Lead/Project Manager- Remote Skills: SOM / Overall, 10-15 Years of Experience is required

Sr. Staff Machine Learning Engineer, Monetization, Privacy ML

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

Staff iOS Engineer, Guest & Host

Airbnb

Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join As a Staff Design-Centric iOS Engineer on the User, Listings & Platform Client team at Airbnb, you'll play a

AWS Developer Lead Remote Location

Sierra Business Solution LLC

Remote

Third Party, Contract

San Antonio AWS Lambda, Terraform, AWS step function, Rest APIs, NodeJS, golangJava (optional) Requirements: >> 7+ years of development and experience >> Experience with AWS Lambda, Terraform, AWS step function, Rest APIs, NodeJS >> Optional: experience with golangJava