Principal software engineer jobs in Bellevue, WA - 4,050 jobs

At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Companyis currently seeking aSoftware Engineer - Artificial intelligencetojointhe Software Engineering OrganizationlocatedinTukwila, Seattle,or EverettWashington.This is a Software Engineer - Artificial intelligence position, focusing on LLMs who will work closely with Boeing Artificial Intelligence (AI) team. In this position, you will collaborate with other world-class scientists, researchers, and engineers innovating on a range of technologies such as Artificial Intelligence & Machine Learning (AI/ML), Automation, and Autonomy, etc. As part of Boeing Software Engineering Organization who supports Boeing Technology Innovation (BTI), our software engineers use theirexpertiseto dream up next-generation software capabilities for amazing aerospace, satellite, and autonomy platforms. We developcutting edgesoftware applications that will improve the future of software capabilities, airplane and flight controls, artificial intelligence, machine learning, and much more. Our products help solve Boeing's most challenging problems across Commercial Airplanes, Defense Space & Security, and Global Services businesses. The projects can range from new software products for the revolutionary 787 Dreamliner to innovative aircrafts across several commercial, autonomy, defense, satellite, and space platforms. Boeing is committed to your development. As part of the software engineering organization, you will have the opportunity to be trained and equipped with the software technology and tools to be successful. In the software capability, you will be encouraged and resourced to pursue your passions, explore different technology domains, and advance your career. Boeing is the world's largest aerospace company and leading manufacturer of commercial jetliners and defense,spaceand security systems. Here,you'llwork alongside more than 170,000 exceptional people focused on bringing great products and services to market. Located in more than 70 countries, Boeing iscomprisedof one of the most diverse, talented, and innovative workforces you will find anywhere. More than 140,000 of our people hold degrees from approximately 2,700 colleges and universities worldwide. Theirexpertiseand knowledge representvirtually everybusiness and technical field. By building a career at Boeing,you'llhave the opportunity to grow your skills, create relationships around theworldand help shape the future of aerospace. Our teams are currently hiring for a broad range of experience levels including AssociateandExperienced Level Software Engineers. Position Responsibilities: Model Development:Support senior engineers in designing, fine-tuning, and implementing large language models for specific applications. Data Management:Collect, clean, and preprocess large datasets to ensure high quality for model training and evaluation. Prompt Engineering:Design andoptimizeprompts to improve model performance and efficiency for various tasks. Testing and Evaluation:Conduct model evaluations, analyze results, and perform testing and debugging of AI systems toidentifystrengths and weaknesses. Code Implementation:Write clean, maintainable, and efficient Python code, adhering to software engineering best practices. Collaboration:Work closely with cross-functional teams, including product managers, system engineers, and other software engineers, to integrate AI solutions into various programs. Documentation:Create clear and thorough documentation for code, models, and evaluation processes. Continuous Learning:Stay forefront in natural language processing and generative AI to recommend and implementstate-of-the-artsolutions or innovative solutions. This position is expected to be 100% onsite. The selected candidate willbe requiredto work onsite at one of the listed location options. This position must meet export control compliance requirements. To meet export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.15 is required. "U.S. Person" includes U.S. Citizen, lawful permanent resident, refugee, or asylee. To be considered for this position you willbe requiredto complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration. BasicQualifications (Required Skills/ Experience): 1+ years of experience designing and developing software using any of the listed programming languages - Python, C/C++, or Java 1+ years of experience working with backend development and/ or cloud environments Preferred Qualifications (Desired Skills/Experience): Bachelordegree from an accredited course of study in computer science, data science, mathematics, engineering, engineering technology (includes manufacturing engineering technology), chemistry, or physics. Level 2:1 or more years' related work experience or an equivalent combination of education and experience Level 3:3 or more years' related work experience or an equivalent combination of education and experience Experience with full software development lifecycle as part of the agile team Proficient in C++ / python / Java Experience with Cloud platforms (e.g., AWS, etc.), Linux, backend,andcontainerization (e.g., Docker, Kubernetes, OpenShift). Experience with modern microservices architecture, implementation, and operations. Experience with relational database and AI/ML techniques Familiarity with Large Language Models (LLM) MS or PhD in Computer Science or Engineering related field. Drug Free Workplace: Boeing is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies. Union: This is a union-represented position. Travel: This position may require up to 10% travel. CodeVueCoding Challenge: To be considered for this position you willbe requiredto complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration. Pay & Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract,engageandretainthe top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs,generally includinghealth insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, anda number ofprograms that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range: $119,850 - $203,550 Applications for this position will be accepted until Jan. 21, 2026 Relocation This position offers relocation based on candidate eligibility. Visa Sponsorship Employer will not sponsor applicants for employment visa status. Shift This position is for 1st shift Equal Opportunity Employer: Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.