Lead Full Stack Engineer

Job Title: Lead Full Stack Engineer Job Location: O'Fallon, MO (Hybrid onsite 3 days/week) Job Travel Location(s): Must be able to travel to office as needed # Positions: 1 Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities: Lead the design, development, and deployment of high-quality Java microservices that integrate with modern front-end frameworks and third-party applications. Apply 12-factor app principles to ensure robust, scalable, and cloud-ready solutions. Contribute to all phases of the development lifecycle including planning, coding, testing, reviews, and delivery. Collaborate closely with engineers, product managers, TPMs, and test engineers to align technical and business goals. Perform code reviews, submit and manage Git pull requests, and support continuous improvement. Ensure adherence to Client's engineering best practices and compliance with enterprise security, operations, and architecture standards. Optimize application performance and reliability for large-scale, high-traffic systems. Skills and Experience Required: Required: 12+ years of experience with either some lead experience or multiple senior developer roles. Extensive experience as a full-stack Software Engineer or Software Developer in a fast-paced, collaborative environment. Strong experience developing backend applications using Java. Proven expertise in designing and developing secure, scalable microservices that handle high traffic volumes, with strong knowledge of microservices architecture, RESTful API design, and integration patterns. Advanced SQL knowledge with databases like PostgreSQL, Oracle, etc., and experience building solutions that scale. Experience with front-end technologies, including HTML, JavaScript, and frameworks like Angular. Hands-on experience with cloud platforms such as AWS or Azure. Experience with CI/CD practices, containerization (Docker, Kubernetes), DevOps practices, automated testing, and version control using Git. Experience working in an Agile development environment. Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly and concisely to both technical and non-technical stakeholders. Strong analytical and problem-solving abilities, with a focus on improving processes to accelerate delivery, foster innovation, reduce costs, and improve quality. Desired: Experience in the commercial card or corporate banking space. Familiarity with enterprise payment systems or financial services infrastructure. Demonstrated ability to manage or lead complex technical projects and mentor junior developers. Education: Bachelor's degree in Computer Science, Engineering, or a related field. Equivalent practical experience will be considered. Recruiter Submission Template - Workforce Identity Analyst Full Name: Degree Major with University & Completion Year: Last 4 Digits of SSN Number: Date of Birth (DOB): Vaccination Status: Any Pre-Planned Vacations in Next 90 Days? Have You Ever Lived in the State of Ohio? Total Years of Full Stack Development: Total Years Lead or Senior Developer Roles Held (Yes/No - Describe responsibilities) Total Years Java (Backend) Development (Years - Projects & frameworks used) Total Years Microservices Design & Development (Yes/No - Tools & architecture used) Total Years RESTful API Development & Integration Patterns (Yes/No - Details) Experience with Front-End Technologies (HTML, JavaScript, Angular, etc.) (Years - Specify frameworks) Total Years Cloud Platforms (AWS / Azure) (Yes/No - Which platform & services used) Total Years SQL / Advanced SQL (PostgreSQL, Oracle, etc.) (Years - Projects & optimization techniques) Total Years CI/CD Tools & Practices (Yes/No - Tools used e.g., Jenkins, GitHub Actions) Total Years Containerization (Docker / Kubernetes) (Yes/No - Level of involvement) Total Years DevOps / Git Version Control Experience (Yes/No - Describe tools and practices) Total Years Agile Development Methodologies (Yes/No - Mention years & team structure) Total Years Code Reviews & Pull Requests (Git, Bitbucket, etc.) (Yes/No - Describe process) Experience with Application Performance Optimization (Yes/No - Give examples) Experience in Commercial Card / Corporate Banking Domain (Yes/No - Describe briefly) Experience with Enterprise Payment Systems / Financial Infrastructure (Yes/No - Details) Experience Mentoring or Leading Developers (Yes/No - Team size, responsibilities) 12-Factor App Development Principles (Yes/No - How applied) Communication with Technical & Non-Technical Stakeholders? Motivation / Reason for Interest in this Position: Contact Number: Email ID: LinkedIn Profile URL (if available): Full Address (Street, City, State, Zip): Notice Period (in weeks): Current Work Authorization Status (e.g., US Citizen, Green Card, H1B, etc.): Expected Hourly Rate (W2): Are you ready to relocate on your own expense and work onsite at O'Fallon, MO (Hybrid onsite 3 days/week) / Commute?

Created: 2026-03-04