Principal Engineer, Software

WM Logistics, LLC has an opening for a full-time Principal Engineer, Software in Houston, TX. Job duties: Deliver technical expertise in design, development, coding, testing, and debugging new software or significant enhancements to existing software. Conduct highly complex business process analysis, needs assessments, and lead/participate in design sessions with Architects in order to align information technology solutions with business initiatives. Undertake highly complex projects requiring additional specialized technical expertise in software design and testing. Contribute strategic vision and integrate a broad range of ideas regarding applications and software development. Present, communicate, and articulate technical processes effectively to all levels of the organization (including technical and nontechnical audiences, Senior Leadership, VPs and the C-level executives). Undertake the highly complex applications development projects involving multiple disciplines and may impact multiple facets of the business. Develop enterprise-level information technology solutions by analyzing, coding, testing. and implementing new and by modifying existing software applications with full competency. Lead design/coding sessions, develop solutions, and implement solutions. Articulate design and resolve technical/design conflicts as they occur. Coordinate with business analysts and users to determine requirements. Perform highly complex analyses of system requirements and of existing business processes and information systems. Hybrid position. Must report to office at 800 Capitol St., Suite 3000, Houston, TX 77002 4 days a week.Min. Req.: Bachelor’s degree, or foreign equivalent, in Computer Science, MIS, Engineering, or a related field, plus 10 years of experience as a Principal Engineer, Software; Software Engineer; Software Developer; or a related position.10 years of technical experience in one or more of the following:Project management/change management in regard to acquisition/development life cycles.Systems development, implementation, upgrades and analyses.QA testing, catalyst or unified business modeling, system design and analysis.Enterprise coding standards.Writing highly complex code.Performing code reviews.Iterative Software methodologies.Business knowledge and concepts in Route Logistics.5 years of technical experience in one or more of the following: Cloud Technologies: AWS Services such as Lambda, IAM, S3, EFS, SQS, SNS, API Gateway, CLI, Kinesis, Glue, Elasticache, CloudWatch, and/or CloudFormation.Databases (Oracle, SQL, Server, and/or PostgreSQL).NoSQL databases (Cassandra and/or Dynamo DB).Python and Java.Service Oriented, Microservices, and Event-driven design patterns.Working on complex cloud-based software projects, web application development, security and open-source technologies.Agile development methodologies.Apply at our Career Website at Reference Job Identification No. 2352292ABOUT WMWM (WM.com) is North America's leading provider of comprehensive environmental solutions. Previously known as Waste Management and based in Houston, Texas, WM is driven by commitments to put people first and achieve success with integrity. The company, through its subsidiaries, provides collection, recycling and disposal services to millions of residential, commercial, industrial, medical and municipal customers throughout the U.S. and Canada. With innovative infrastructure and capabilities in recycling, organics and renewable energy, WM provides environmental solutions to and collaborates with its customers in helping them pursue their sustainability goals. WM has the largest disposal network and collection fleet in North America, is the largest recycler of post‑consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas‑to‑electricity plants in North America. WM’s fleet includes more than 12,000 natural gas trucks – the largest heavy‑duty natural gas truck fleet in the industry in North America. Healthcare Solutions provides collection and disposal services of regulated medical waste, as well as secure information destruction services, in the U.S., Canada and Western Europe. To learn more about WM and the company’s sustainability progress and solutions, visit Sustainability.WM.com.Equal Employment OpportunityFor United States: WM is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law. For Canada: WM is committed to the principle of equal employment for all applicants and employees, without discrimination on the basis of all grounds protected by applicable human rights legislation. Accommodations are available on request for candidates taking part in all aspects of the selection process. Please notify us if you require accommodation. Real IDIn order to travel by air or access federal property, federal law requires individuals have a REAL ID or an acceptable alternative. This position may require the successful candidate to travel by air for business reasons or service federal property. Accordingly, successful candidates must have, or be willing to obtain, a REAL ID or TSA‑approved alternative.What is the value of a WM job? At WM we know that the value of a WM job is more than a paycheck. It’s a way to create opportunities for you and your family. This is why we are constantly working to make WM a great place to work and grow a career. We Are WM is what defines the perks of being in the WM family – from benefits, to resources and engagement activities. We are People First. We are Committed to Your Growth. We Are Investing in You. We are a Family. We are Stable. We are Always Working for a Sustainable Tomorrow. Posting Date: 2026-08-14