Principal Platform Software Engineer

• Does this position require a security clearance? No
• Years 3 to 5+ years
• Additional Info Visa / work permit sponsorship is not available for this position
• Applicants are required to read, write, and speak the following languages English

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 analyzes and identifies requirements to achieve business and operational goals, sharing results with manager upon completion.

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 (e.g., functional and non-functional testing), quality assurance processes, software error logging, monitoring, and observability for effective debugging, sharing work with manager and/or lead upon completion.

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.

Occasionally conducts technology research and evaluation for potential architectural changes that may have an impact on results for the team.

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 and broad-reaching/scoped maintenance issues to ensure customer agreement on short- and long-term solutions (e.g., future enhancements).

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, independently.

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 (e.g., for critical vulnerabilities), 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…