Lead Software Engineer (Full Stack)

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889.   Northern Trust is proud to provide innovative financial services and guidance to the world’s most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service. About Us The Private Passport Platform is a core, client‑facing digital platform that supports wealth management clients and partners across account access, money movement, document exchange, investments, and secure collaboration. It is a cornerstone of our broader digital strategy and is actively evolving toward a modern, cloud‑based architecture with improved resiliency, scalability, and user experience.  Our team works closely with Product, Design, Architecture, Security, and Data partners to deliver features that are secure, reliable, and intuitive—while supporting both web and mobile experiences at scale.  Role Summary We are looking for a  Lead Software Engineer (Full‑Stack)  to provide hands‑on technical leadership for the Private Passport Platform. In this role, you will: Lead the design and delivery of complex full‑stack features Set engineering standards and guide technical decisions Act as a go‑to technical leader for engineers, product partners, and architects Balance hands‑on development with technical oversight and mentorship This is a  builder‑leader role  - you will write code, review code, influence architecture, and help the team deliver reliably at scale. Key Responsibilities Technical Leadership Lead the  end‑to‑end design and implementation  of full‑stack solutions across web, API, and backend services Partner with architecture and platform teams to align solutions with  cloud and security standards  for Private Passport  Make sound technical decisions that balance  speed, quality, security, and long‑term maintainability Identify and address  technical debt , performance risks, and reliability gaps Hands‑On Engineering Build and maintain  high‑quality, production‑ready code  across frontend and backend layers Lead and participate in  code reviews , setting a high bar for quality and clarity Support  mobile and web experiences , ensuring consistency and reliability across channels  Team Enablement & Mentorship Mentor engineers through pairing, design reviews, and constructive feedback Help engineers grow their technical depth and system‑level thinking Promote best practices in testing, observability, and operational readiness Cross‑Functional Collaboration Work closely with  Product and Design  to translate requirements into scalable technical solutions Partner with  Security, Data, and Platform teams  to ensure compliance, resilience, and performance Contribute to PI planning, technical forums, and leadership discussions for the Private Passport Platform  What you will do Design, develop, and maintain server-side logic using Java/Spring Boot Build and optimize RESTful APIs and microservices for seamless integration with front-end applications. Work with relational databases and NoSQL databases, ensuring data integrity and performance. Implement secure authentication and authorization mechanisms (e.g., OAuth). Develop responsive and interactive user interfaces using React.js and related libraries (e.g., Redux, React Router). Ensure cross-browser compatibility and optimize front-end performance for a seamless user experience. Collaborate with UX/UI designers to translate wireframes and designs into functional components. Integrate front-end and back-end components to create cohesive, end-to-end solutions. Troubleshoot and debug issues across the stack to ensure application reliability and performance. Write clean, maintainable, and well-documented code following best practices and coding standards. Participate in Agile ceremonies (e.g., sprint planning, daily stand-ups, retrospectives). Work closely with product managers, designers, and other developers to deliver features on time and within scope. Contribute to code reviews, ensuring high-quality code and knowledge sharing within the team. Optimize applications for scalability, performance, and security. Participate in the evaluation and adoption of new tools, frameworks, and methodologies.  Required Qualifications A bachelor's degree in computer science, software engineering, or a related discipline. Experience is the most relevant factor. Experience building  secure, client‑facing applications Solid understanding of  distributed systems , APIs, and cloud‑based architectures 5+ years of experience with multiple programming languages such as Java/Spring Boot, JavaScript, React Ecosystem, Python, SQL/NoSQL, as well as unit testing frameworks. 5+ years of experience with cloud-native engineering, using PaaS, and microservices on cloud platforms such as AKS on Azure. Prior experience using methodologies & tools such as Scrum, SAFe, DevSecOps, SRE, ADO, GitHub, GitHub Actions, SonarQube, Checkmarks etc. to deliver high-quality products rapidly.  Preferred Qualifications Experience with  cloud‑native architectures  and modernization efforts Background in  financial services or regulated environments Experience supporting  mobile + web platforms  used by external clients Familiarity with modern engineering practices such as CI/CD, automated testing, and observability Why Join This Team Work on a  high‑impact platform  that directly supports clients and advisors Influence the technical direction of a  strategic, evolving digital platform Collaborate with experienced product, design, and architecture leaders Opportunity to shape how modern engineering practices are applied at