Principal Software Engineer Jobs in Boston, MA

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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

Staff Software Engineer/Clojure (Google Cloud Platform. Typescript )

SigmaWay

Remote

Contract

Apply by Email/Direct Application at Call notes: Seeing attrition folks are leaving with clojure Have some posted for FTE (chance to convert) Getting contractos with cloujre CTO lookng for sr. engineer L4/L5 not entry level, 1+ years in testing, launching, dev **clojure a must Sr engineer / level Staff Engineer with Clojure Full stack true full stack. The fte req looking for front end. Contract more clojure Customer facing ? The team work directly with CTO, she is managing the gaps An engineeri

Senior Software Engineer, Data Platform

Circles Inc.

Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines

Staff Software Engineer, Integrated Knowledge Management (RAG)

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: Providing world class customer service for our community of guests and hosts is a critical mission of Airbn

Staff Software Engineer, Backend (Platform - Payments Platform)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Sr. Staff Software Engineer - AI Products and Platforms

Eli Lilly and Company

Remote or Indianapolis, Indiana, USA

Full-time

At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first. We're looking for people who are determined

Staff Software Engineer, Payments Funds Ledger

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: Airbnb's mission is to create a world where anyone can belong anywhere. Airbnb Payments team supports this

Digital Software Engineer Senior Lead Analyst

Citi

Remote or Irving, Texas, USA

Full-time

Citibank, N.A. seeks a Digital Software Engineer Senior Lead Analyst for its Irving, Texas location. Duties: Design enterprise architecture patterns, frameworks, and reusable services to support standards and cloud adoption utilized across operations, personal banking, and wealth management applications. Provide architectural guidance to application engineering groups. Enable cloud adoption using application programing interfaces (API) and Microservices, reference implementations, scalable comm

Senior Staff Software Engineer, Backend (Platform - Risk)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Staff Software Engineer - DevEx Platform

Circles Inc.

Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines

Senior Staff Software Engineer, Backend (Platform - FinHub)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

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

Discord Inc.

Remote

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

Senior Staff Engineer - Linux Kernel Software Engineer

Qualcomm Technologies

Remote or Santa Clara, California, USA

Full-time

Company: Qualcomm Atheros, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: We are looking for motivated Linux Kernel Software Engineer to join the Qualcomm Infrastructure Wi-Fi Connectivity group, to be part of defining the next generation WLAN products. As part of this group, you will be responsible for: Work with the Opensource community and Qualcomm upstream wireless ath12k driver to contribute and review patchesWork with a kenel.org project and

Staff Software Engineer, Backend (Institutional - Exchange)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Staff Engineer - Transportation

Stantec

Burlington, Massachusetts, USA

Full-time

A career in transportation is more than bridges, roads, and rail. As we plan, design, and manage projects that move people and goods from Point A to Point B, we create connections that transform our communities. Every airport, road, bridge, port, or transit project is an opportunity to make communities safer, cleaner, and more resilient. Together, we're making an impact around the world. If you're looking for a career that moves, join our team of professionals who are passionate about the future

Staff Software Engineer, Backend (Platform - Risk Platform)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Lead AI/ML Software Engineer - Remote

UnitedHealth Group

Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv

Lead Software Engineer - Remote

UnitedHealth Group

Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv

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

Staff Software Engineer, Backend (Institutional - Foundations)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the