Senior Platform Engineer

The Senior Platform Engineer at Welltech is crucial for developing and maintaining our observability platform. This role involves designing and implementing systems using AWS serverless services, creating infrastructure as code with Terraform, and developing CI/CD pipelines for efficient deployment. You’ll also optimize the platform for performance and scalability while collaborating with teams to align technology strategies.

To become a Senior Platform Engineer at Welltech, you need a strong background in cloud infrastructure, particularly with AWS, and proficiency in Python programming within serverless environments. Experience with observability tools and infrastructure as code practices using Terraform is essential. Excellent problem-solving and communication skills are also necessary to collaborate effectively across teams.

The candidate journey for the Senior Platform Engineer role at Welltech includes multiple stages: you'll start with a recruiter call, followed by a meeting with a team member, a skills assessment, and then an opportunity to meet the Leadership team. Each step is designed to ensure a mutual fit and understand how you can contribute to our mission.

A Senior Platform Engineer at Welltech will work with various tools and technologies, including AWS (Lambda, API Gateway, SQS, SNS), Terraform for infrastructure as code, and observability tools like CloudWatch, Grafana, and Prometheus. Familiarity with databases such as PostgreSQL and ORM frameworks is a nice addition, as is experience with Docker and Kubernetes.

At Welltech, you'll experience a culture that champions growth and collaboration. We prioritize personal and professional development, empowering each team member to lead by example and make impactful contributions. The environment here emphasizes results-driven work while focusing on creating a healthier world together.

When answering this question, highlight specific AWS services you've used, such as Lambda, API Gateway, and CloudWatch. Discuss how you applied these tools to design and implement scalable solutions, emphasizing any challenges faced and how you overcame them.

Explain your approach to observability by discussing the use of monitoring tools like CloudWatch and Grafana. Share how you would implement logging and tracing to capture performance metrics, ensuring a clear understanding of application behavior and quick response to issues.

Reflect on a specific instance where you tackled a complex issue. Outline the problem, describe your thought process, the solution you implemented, and the outcome. Highlight your problem-solving skills and ability to work under pressure.

Discuss your principle-based approach to writing Terraform scripts, including modular design, version control, and documentation. Emphasize the importance of testing and validation workflows before deployment to reduce errors and ensure smooth updates.

Talk about your commitment to continuous learning through online courses, attending workshops, and following thought leaders in the industry. Mention specific resources you utilize, such as tech blogs, podcasts, or cloud community forums.

Outline your step-by-step approach to establishing a CI/CD pipeline, which includes setting up automated testing, integration, and deployment processes. Discuss tools you’ve used and how you ensure continuous delivery while maintaining quality.

Emphasize the importance of cross-functional collaboration. Share examples of how you've worked with development, operations, and QA teams to align on goals, share knowledge, and integrate observability into the development lifecycle.

Discuss your strategy for prioritization, such as utilizing project management tools, setting clear timelines, and communicating with stakeholders. Explain how you adapt to changing priorities and ensure critical tasks are addressed promptly.

Identify specific challenges like user load, data management, and performance monitoring. Discuss your approach to designing scalable solutions, including load balancing, caching strategies, and implementing efficient resource management techniques.

Share your experience with on-call support, highlighting the importance of being proactive, monitoring systems, and responding to incidents. Discuss how you ensure clear documentation and knowledge transfer within the team to handle crises effectively.