Senior Software Engineer I, cloud platform

As a Senior Software Engineer I, Backend at Poshmark, you will have the opportunity to contribute to the scalability and innovation of the backend systems that power our high-traffic marketplace. Your role will be crucial in building and optimizing the cloud-native infrastructure and services that support the Poshmark community, which creates a new listing every 2 seconds and generates millions of interactions daily. Here are the key responsibilities you will undertake: - Lead the design, development, and deployment of scalable backend services and distributed systems. - Help evolve the application and service delivery platform by leveraging cloud-native architectures, NoSQL solutions, queueing technologies, and search infrastructure. - Architect and implement new product features using a data-driven, iterative approach with measurable impact. - Drive performance tuning and system improvements to ensure reliability, scalability, and maintainability of key components. - Collaborate with cross-functional teams, including Product, Design, DevOps, and QA, to deliver high-quality software aligned with business goals. - Actively participate in code reviews, technical discussions, and mentoring of junior engineers. - Identify and lead refactoring and technical debt reduction efforts to improve developer velocity and system health. In your first 6 months at Poshmark, you will: - Ramp up quickly on Poshmark's codebase, cloud architecture, and development workflows. - Take ownership of key components or services and contribute high-quality, well-tested code to production. - Serve as a go-to technical resource within your immediate team. - Drive cross-team collaboration to deliver features and improvements efficiently and effectively. Looking ahead to your 12+ month accomplishments, you will: - Lead the technical execution of complex initiatives with multiple dependencies and stakeholders. - Influence architectural decisions and contribute to long-term platform and service strategy. - Drive engineering excellence through best practices, tooling, and process improvements. - Provide mentorship and technical leadership across the backend engineering team. To qualify for this role, you should have: - 4+ years of professional backend software engineering experience, including designing and scaling distributed systems. - Strong foundation in computer science, including data structures, algorithms, and software design principles. - Proficiency with backend programming languages such as Ruby and/or Java. - Experience working with technologies like MongoDB, ElasticSearch, RabbitMQ, and Redis. - Strong understanding of RESTful API design and implementation. - Experience with scalability, performance optimization, and systems-level problem solving. - Familiarity with microservices architecture and cloud platforms (e.g., AWS, GCP) is a plus. - Bachelor's or Masters degree in Computer Science or a related field. - Strong communication skills and a user-centric, quality-first mindset. Poshmark is an Equal Opportunity Employer, committed to celebrating diversity and creating an inclusive environment for all employees.,