Principal Platform Software Engineer (APEX)

Leads platform projects crossing multiple teams, evolving runtimes or middleware patterns for interoperability and multi-tenant scale. Diagnoses and resolves complex cross-service issues; enforces versioning, compatibility, and safe rollout practices. Drives observability standards, capacity planning, and resilience patterns across several workloads. Produces migration guides and adoption playbooks that raise ecosystem consistency and developer experience.

Key Responsibilities:

• Platform Software Development: Lead cross-team evolution of middleware patterns or runtimes to standardize interoperability at scale. Define and enforce versioning, deprecation, and rollout strategies that minimize downstream breaks. Drive shared observability baselines (SLOs, error budgets) and resilience patterns across several services.
• Software Development and Coding - Design, Testing, and Optimization: Designs software solutions and analyses and identifies requirements to achieve business and operational goals. Adheres to and improves execution of all phases of the software development lifecycle; provides guidance and coaching to engineers to drive improvements. Utilizes advanced knowledge to develop and guide new software features and enhancements leading design specifications, ensuring accessibility, and develops documents to clarify software design and code. Leads code reviews in multiple areas to help drive improvements. Conducts debugging and troubleshooting to identify and fix complex software issues. Develops fixes for identified issues. Implements comprehensive software testing, quality assurance processes, software error logging, monitoring, and observability for effective debugging. Conducts performance profiling and optimization of coding, building scalable solutions, and anticipating and resolving potential outcomes. Troubleshoots and resolves complex issues related to application programming interface (API) functionality and integration. Implements complex API versioning, lifecycle, and interoperability strategies.
• Software Architecture - Software System Structural Design: Implements and contributes to developing software, systems, and services, ensuring review by manager and/or senior technical leaders upon completion. Recommends project or design scope. Provides technical guidance and coaching to less experienced developers in existing software architecture. Contributes to periodic reviews and ensures adherence to architectural standards. Collaborates with stakeholders and networks externally to ensure work aligns with software architecture. Implements complex performance optimization and scalability strategies in software design.
• Issue/Defect Collaboration - Software Products Support: Collaborates with stakeholders to understand customer issues and align solutions. May provide advanced technical guidance and support to customers regarding customer-reported issues. Advocates for customers' interests and suggests product enhancements based on feedback. Provides input to ensure customer satisfaction through timely resolution of issues and effective communication. Identifies and implements customer issue and/or defect handling and training processes. Investigates and troubleshoots complex maintenance issues to ensure customer agreement on short- and long-term solutions.
• Practices and Standards Compliance - Security and Compliance: Collaborates with the team and externally to follow development practices and coding standards, providing coaching to less experienced team members. Participates in peer review processes, provides technical leadership, and ensures code quality and adherence to broad acceptance criteria during development. Demonstrates and shares advanced knowledge of industry best practices and applies them to software development processes. Implements complex secure coding practices to prevent security vulnerabilities.
• Development Operations - System Maintenance: Performs periodic maintenance and testing operations for systems that require upgrading or patching, sharing results with manager upon completion. Drives improvements, ensures automation, testing, and debugging of systems to ensure service/product availability, health, support, and reliability.

Core Responsibilities:

• Planning & Execution: Manages and coordinates moderately complex tasks, monitoring timelines and deliverables to ensure timely completion and adherence to requirements for a moderately sized project or initiative.
• Collaboration & Partnership: Collaborates across the organization to align on expectations and achieve shared objectives. Supports inclusivity by actively seeking and listening to diverse perspectives.
• Problem Solving: Identifies and addresses moderately complex issues by analysing a wide range of data to identify solutions. Proactively escalates unresolved or critical issues.
• Continuous Learning: Pursues learning opportunities to expand knowledge and skills and stays abreast of the latest industry trends. Coaches and mentors junior team members.
• Continuous Improvement: Develops ideas, recommends updates, and collaborates on the implementation of process improvements to increase efficiency and effectiveness.
• Performance and Development: Contributes to the talent development pipeline by participating in candidate interviews, assessing candidates, and providing hiring recommendations.