Software Engineer III, Content AI

Peloton Interactive; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

Peloton Interactive is seeking a mid level Software Engineer to design and develop scalable microservices powering core features across Bike, Tread, Strength, and Digital. You will join the Content AI Team, training and hosting NLP/ASR models, and deliver services for search, voice, and subtitles to enable international growth.

You will collaborate with product, design, and QA, write robust code, and participate in CI/CD, monitoring, and on-call activities to ensure reliable platform expansion.

Qualifications

• BS/MS in CS/Engineering or related field.
• 3+ years of backend cloud application experience.
• Proficient in Kotlin or Python and Spring Boot.
• Experience with REST, gRPC, or GraphQL.
• Familiar with PostgreSQL and NoSQL databases.
• Experience with Docker and Kubernetes.
• Knowledge of AWS services and CI/CD tools.
• Strong in observability and performance optimization.
• Able to work in a fast-growing, cross-functional environment.

Responsibilities

• Develop and maintain business-critical APIs and services with a focus on high availability, low latency, security and scalability under guidance from senior engineers.
• Provide updates to team leaders and participate in sprint planning and team meetings.
• Write understandable, well-tested code with an eye towards maintainability and scalability.
• Contribute to reusable code, libraries, and patterns for use across teams.
• Implement solutions to scale services while meeting business and product requirements, often under supervision.
• Use monitoring/profiling/tracing and load-testing tools to identify bottlenecks and optimize queries and caching.
• Follow best practices in CI/CD, logging and observability to ensure reliable releases.
• Participate in on-call rotations and incident response.

Skills

Kotlin

Python

Spring Boot

REST / gRPC / GraphQL

Databases: PostgreSQL

NoSQL: DynamoDB/Mongo

AWS

Docker

Kubernetes

Observability: Datadog

CI/CD

Education

MS or BS degree in Computer Science or Engineering

Job description

Mid level Software Engineer will be a member of the agile team which is responsible for design and development of scalable microservices for Peloton's core features across all platforms (Bike, Tread, Strength, and Digital). The Content AI Team is responsible for training and hosting various models in the domains of Natural Language Processing (NLP) and Automatic Speech Recognition (ASR). The candidate will be responsible for developing, testing, deploying, and monitoring microservices that specifically power features like search, voice, and subtitles, which are crucial for platform expansion and international growth. In addition to technical delivery, good communication skills are essential for providing updates to engineering leads and other stakeholders, such as Technical Program Managers (TPM).

YOUR DAILY IMPACT AT PELOTON

• Develop and maintain business-critical APIs and services with a focus on high availability, low latency, security and scalability under guidance from senior engineers.
• Effectively provide updates to the team leaders and participate in sprint planning and team meetings.
• Write understandable, well-tested code with an eye towards maintainability and scalability.
• Contribute to building reusable code, libraries, and patterns for use across teams.
• Implement solutions to scale services while meeting business and product requirements, often under supervision.
• Utilize production monitoring/profiling/tracing and load testing tools to discover bottlenecks and apply techniques such as data modeling, query optimization, and caching to address them.
• Understand and implement industry best practices such as feature toggles, CI/CD, test automation, logging, and monitoring in order to ensure confidence in our release process.
• Participate in on-call rotations and assist with incident response efforts to maintain system reliability.

YOU BRING TO PELOTON

• MS or BS degree in fields such as Computer Science, Engineering or Mathematics.
• 3+ years of software development experience building backend cloud application systems.
• Experience in Kotlin, Python, or similar languages.
• Experience with Spring Boot, Bottle/Gunicorn, or similar backend web frameworks (JVM or Python).
• Familiarity with both relational (e.g. PostgreSQL, MySQL) and NoSQL (e.g. DynamoDB, Mongo) databases.
• Familiarity with Elastic Search.
• Familiarity with caching systems such as Memcache, Redis.
• Experience with request processing such as REST, gRPC, or GraphQL.
• Ability to work in high growth, fast-paced environments and adapt to change.
• Familiarity with Docker and Kubernetes for containerization and orchestration.
• Familiarity with AWS services (DynamoDB, S3, ECR, IAM, Lambda, SQS) and cloud infrastructure concepts.
• Familiarity with deployment tooling such as Terraform, GitHub Actions, Jenkins.
• Experience with observability and monitoring tools such as Datadog or similar APM solutions.
• Understanding of API design principles, security best practices, and performance optimization.
• Experience with production support and troubleshooting issues in distributed systems.
• Experience collaborating with cross-functional team members from Product, Design, and QA.

Bonus Points

• Experience with building personal voice digital assistants or chatbots.
• Experience with building search platforms, personalizing search and discovery.
• Worked with automatic speech recognition (ASR).

Equal Employment Opportunity

Peloton is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. Equal employment opportunity has been, and will continue to be, a fundamental principle at Peloton, where all team members, applicants, and other covered persons are considered on the basis of their personal capabilities and qualifications without discrimination because of race, color, religion, sex, age, national origin, disability, pregnancy, genetic information, military or veteran status, sexual orientation, gender identity or expression, marital and civil partnership/union status, alienage or citizenship status, creed, genetic predisposition or carrier status, unemployment status, familial status, domestic violence, sexual violence or stalking victim status, caregiver status, or any other protected characteristic as established by applicable law. This policy of equal employment opportunity applies to all practices and procedures relating to recruitment and hiring, compensation, benefits, termination, and all other terms and conditions of employment. If you would like to request any accommodations from application through to interview, please email: [e-mail].