Senior Backend Lead: Scalable Microservices for E‑commerce

Peloton; Warszawa; On-site; PLN 264,000 - 376,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

Disability insurance

Mental health services

401k

Tuition reimbursement

Student loan paydown

Employee Stock Purchase Plan

Parental leave

Commuter benefits

Pet insurance

App access and discounts

Job summary

Peloton seeks a highly experienced backend software engineer to lead and build customer-facing, scalable backend services across Peloton’s web, retail and other sales channels. You will be a hands-on technical lead delivering end-to-end features with an agile team.

The role requires mentoring engineers, making strategic technical decisions, and driving fast, reliable execution while nurturing growth and learning within the team.

Qualifications

• 6+ years software development experience with leadership over delivery of high impact projects.
• Proficiency in Java, Kotlin or Python and building RESTful microservices.
• Experience with Kafka and AWS SQS for large-scale event processing.
• Familiarity with PostgreSQL, MongoDB, DynamoDB, Elasticsearch.
• Spring Boot, Docker and Kubernetes expertise; unit testing and TDD.
• Cloud platforms (AWS/GCP) experience and mentoring junior engineers.
• Knowledge of GraphQL and monitoring with DataDog; agile mindset and ownership.

Responsibilities

• Be a hands-on technical leader with focus on delivery of initiatives.
• Guide the team to make strategic technical decisions enabling fast, reliable execution and stakeholder relations.
• Collaborate in an agile environment with peers to scope, develop and deliver software aligned with product strategy.
• Contribute to an inclusive culture focused on growth and learning for engineers and non-engineers.

Skills

Java

Kotlin

Python

RESTful microservices

Kafka

AWS SQS

PostgreSQL

MongoDB

DynamoDB

Elasticsearch

Spring Boot

Docker

Kubernetes

Unit Testing

Cloud

GraphQL

DataDog

Mentoring

Agile

End-to-end ownership

Tools

PostgreSQL

MongoDB

DynamoDB

Elasticsearch

Job description

Peloton seeks a highly experienced backend software engineer to lead and build customer-facing, scalable backend services across Peloton’s web, retail and other sales channels. You will be a hands-on technical lead delivering end-to-end features with an agile team.

The role requires mentoring engineers, making strategic technical decisions, and driving fast, reliable execution while nurturing growth and learning within the team.