Principal Software Engineer

Description Principal Java Engineer We're seeking a highly experienced Principal Java Engineer to lead the design, development, and optimization of our core platform services. This is a hands-on technical leadership role where you'll shape system architecture, mentor engineering teams, and drive high-impact solutions across our technology stack. What You'll Do + Lead backend architecture & development using Java and modern frameworks + Design scalable, secure, high-performance services running in AWS + Develop and optimize SQL queries and stored procedures for complex data operations + Drive cloud-first engineering best practices, including CI/CD, monitoring, and reliability + Collaborate with cross-functional teams to translate business needs into technical solutions + Conduct code reviews, guide engineering standards, and mentor developers + Own technical decision-making for critical system components and new initiatives + Improve performance, availability, and scalability of enterprise applications Requirements What You Bring + 10+ years of backend engineering experience, with deep expertise in Java + Strong proficiency in AWS services (EC2, S3, Lambda, RDS, IAM, etc.) + Advanced SQL skills, including writing, optimizing, and maintaining stored procedures + Experience building distributed systems and event-driven architectures + Strong understanding of design patterns, data structures, and system performance + Ability to mentor engineers and influence architectural direction + Excellent communication skills and the ability to partner with product, QA, and leadership Nice to Have + Experience with microservices, messaging systems (Kafka, SQS), or containerization (Docker, Kubernetes) + Background in financial systems, enterprise data, or high-volume transaction processing + Familiarity with DevOps pipelines and monitoring tools Why Join Us + Lead major initiatives and have ownership over critical systems + Work with modern technologies in a cloud-native environment + Join a collaborative, high-performing engineering team + Opportunity to mentor, innovate, and drive long-term technical strategy Technology Doesn't Change the World, People Do.® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app ( and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use ( .