Software Engineer II, Cloud Infrastructure - Slack

At Slack, the Cloud Engineering team is the backbone of our infrastructure - a dynamic group of Cloud Engineers, Financial Analysts, and AWS Subject Matter Experts united by a single mission: keeping Slack fast, reliable, and cost-efficient for millions of users worldwide.

We tackle unique, large-scale challenges that very few engineers ever get to work on. From designing the systems that power global real-time communication to writing software that brings deep visibility into our cloud infrastructure, our work has direct impact every single day. We partner with teams across Slack to maximize cloud value, champion cost-conscious engineering, and build a platform that scales with our ambitions. If you're energized by high availability, resilience, and the right technology choices - this is the team for you. What you will be doing:

• Own software projects end-to-end - from scoping and design through delivery and iteration
• Architect and build a next-generation internal platform that gives engineering teams a powerful foundation to innovate quickly
• Deliver cutting-edge solutions leveraging containerization, virtualization, and a broad suite of AWS services
• Author, extend, and improve Terraform modules that power infrastructure-as-code across Slack
• Design and implement an in-house system to deploy, manage, and scale applications for service owners
• Partner directly with development teams to identify performance bottlenecks and drive cloud efficiency improvements
• Build strong, trusted relationships with service owners - serving as a go-to advisor on cloud best practices
• Champion a culture of platform efficiency by sharing knowledge, writing runbooks, and leading internal enablement sessions
• Make a measurable financial impact - driving millions of dollars in cloud cost savings annually

• U.S. Citizenship or Permanent Residency (Green Card holder). We are unable to provide visa sponsorship for this role.
• Genuine curiosity about how cloud infrastructure works - and a passion for sharing that knowledge with your team.
• Proven ability to analyze, optimize, and improve reliability in high-traffic, production internet applications
• A strong mentoring instinct and commitment to engineering excellence: you lead by example in code reviews, testing, design docs, and debugging
• Deep, hands-on AWS experience - broad familiarity across many services with deep expertise in at least a few
• Demonstrated experience deploying cloud applications and managing infrastructure-as-code using Terraform and/or CloudFormation
• A track record of professional software development you're proud of - you can point to real-world systems you've built and improved

Qualifications:

• 3+ years of professional experience in cloud engineering or a closely related discipline
• Strong computer science fundamentals: data structures, algorithms, distributed systems, programming languages, and information retrieval
• Proficiency in one or more functional or imperative programming languages - Python, Go, or PHP preferred
• Extensive, production-grade Terraform experience
• Hands-on experience operating and optimizing large-scale AWS environments

Bonus Points:

• Deep expertise in core AWS services such as S3, IAM, EC2, Lambda, or EKS
• AWS Professional or Specialty certification(s)
• Experience designing or operating large-scale, high-volume distributed systems
• A proven history of driving significant cloud cost reductions at scale
• Familiarity with observability tooling (e.g., Datadog, Prometheus, OpenTelemetry) and SRE practices

benefits, training, assessment of job performance, discipline, termination, and everything in between. Recruiting, hiring, and promotion decisions at Salesforce are fair and based on merit. The same goes for compensation, benefits, promotions, transfers, reduction in workforce, recall, training, and education.

In the United States, compensation offered will be determined by factors such as location, job level, job-related knowledge, skills, and experience. Certain roles may be eligible for incentive compensation, equity, and benefits. Salesforce offers a variety of benefits to help you live well including: time off programs, medical, dental, vision, mental health support, paid parental leave, life and disability insurance, 401(k), and an employee stock purchasing program. More details about company benefits can be found at the following link: https://www.salesforcebenefits.com.

Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? You're in the right place! Agentforce is the future of AI, and you are the future of Salesforce., Salesforce is an equal opportunity employer and maintains a policy of non-discrimination with all employees and applicants for employment. What does that mean exactly? It means that at Salesforce, we believe in equality for all. And we believe we can lead the path to equality in part by creating a workplace that's inclusive, and free from discrimination. Know your rights: workplace discrimination is illegal. Any employee or potential employee will be assessed on the basis of merit, competence and qualifications - without regard to race, religion, color, national origin, sex, sexual orientation, gender expression or identity, transgender status, age, disability, veteran or marital status, political viewpoint, or other classifications protected by law. This policy applies to current and prospective employees, no matter where they are in their Salesforce employment journey. It also applies to recruiting, hiring, job assignment, compensation, promotion