Senior Software Engineer, Core Infrastructure
About The Position
The Core Infrastructure team drives developer experience, microservice development, and performance and reliability related initiatives. Developer experience covers anything that a team might need in order to build, release, run, and support software; for example, ensuring automated tests stay fast and stable. Poshmark's first platform was largely a monolith written in JRuby. Today that monolith is being broken up into smaller microservices written in Java, JRuby, and Python. The Core Infrastructure team develops the microservice frameworks and core libraries used by other teams.
Requirements
- 4+ years experience building and operating back-end systems
- Experience debugging complex problems across an entire stack
- Worked on and/or understand distributed systems and large scale engineering challenges
- Familiar with either NoSQL or SQL databases and have experience scaling them
- Strong communicator who can articulate trade‑offs and drive consensus across teams
- Experience with any of: Ruby (JRuby), Java, Python, MongoDB, OpenSearch, Redis, RabbitMQ, containerization, and nix environments
- A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
Nice To Haves
- Able to plan medium complexity projects with no supervision
- Provides meaningful design feedback and code reviews to peers
- Actively mentors junior engineers, guiding them through complex technical tasks and fostering their career development
- Able to find technical solutions to large complexity problems with minimal supervision
- Able to identify architectural gaps and propose solutions
- Have rolled out a high impact project to production
Responsibilities
- Write high‑quality code in Ruby (JRuby), Java, and Python
- Develop APIs, frameworks, libraries and services for use by other developers
- Design and improve architecture in order to ensure horizontal scalability at all layers
- Resolve issues related to performance at all tiers of the application
- Help shape developer experience a.k.a. engineering enablement at Poshmark, including defining what best practices every team should be following
- Use AI as a force multiplier in day-to-day engineering work
- Closely partner with the DevOps, security, and SRE teams to bake compliance, performance, and reliability into the platform
Benefits
- comprehensive global and in-country benefits to support you and your family needs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
