Software Engineer III - Backend

ClassPass
Brazil
On-site

Who this role is best for

Aimed at experienced backend engineers who have worked on SaaS platforms and thrive in collaborative environments.

Best fit for

  • Experienced backend engineers with a focus on SaaS and microservices architecture
    — “Significant experience building and scaling backend systems for large-scale SaaS products.”
  • Candidates who have worked with Java, Kotlin, or Python and are comfortable with SQL databases
    — “Backend Languages: JAVA, Kotlin, Python, Databases: SQL and relational database systems”
  • Individuals who enjoy cross-functional collaboration and contribute to design discussions
    — “Participate in roadmap planning and design discussions, contributing thoughtful insights and technical expertise.”

Things to consider

  • There is no explicit mention of remote work flexibility or work arrangement.
    — “Join us in shaping healthier, more vibrant communities around the globe.”

How to stand out

  • Highlight experience with microservices and their long-term maintainability in your resume.
    — “Proven ability to assess feature impact, identify potential risks, and design for long-term maintainability.”
  • Showcase your ability to provide feedback and improve code quality through collaboration.
    — “Seek diverse feedback and use it to improve code quality and team collaboration.”
  • Emphasize your background in object-oriented programming with C# or Java.
    — “Strong background in object-oriented programming languages such as C# or Java.”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • reliable, scalable APIs
  • high system reliability
Typical background
significant experience in backend systemsobject-oriented programming

Skills & requirements

Required

Backend ArchitectureAPI DesignMicroservicesAutomated TestingCode ReviewsMonitoring ToolsAgile Methodologies

Preferred

KotlinPythonReactNew RelicKibana

Stack & domain

JAVAKotlinPythonReactSQL

About the role

Original posting from ClassPass

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections.

ClassPass offers thousands of fitness and wellness experiences worldwide, helping people lead active, balanced lifestyles. Our platform makes discovering and enjoying activities simple, personalized, and joyful—whether it's fitness classes, self-care sessions, a healthy lunch, or a new adventure. Join us in shaping healthier, more vibrant communities around the globe.

The Role You’ll Play 

Collaborate with Product, Design, and QA teams to iterate on backend architecture and deliver end-to-end solutions. 

Design and build reliable, scalable APIs and microservices that power core platform functionality. 

Apply engineering best practices—such as automated testing, code reviews, and proactive monitoring—to maintain high system reliability. 

Seek diverse feedback and use it to improve code quality and team collaboration. 

Participate in roadmap planning and design discussions, contributing thoughtful insights and technical expertise. 

Keep user experience top of mind, building systems that delight both studio partners and end users. 

Experience You Bring 

Significant experience building and scaling backend systems for large-scale SaaS products. 

Strong background in object-oriented programming languages such as C# or Java. 

Experience designing service-oriented and microservice-based architectures. 

Familiarity with modern monitoring and observability tools (e.g., New Relic, Kibana). 

Solid understanding of software development lifecycle (SDLC), design patterns, and Agile methodologies. 

Proven ability to assess feature impact, identify potential risks, and design for long-term maintainability. 

Detail-oriented, collaborative, and driven by a desire to build excellent systems. 

Strong verbal and written communication skills in a professional setting. 

Technologies You’ll Work With 

Backend Languages: JAVA, Kotlin, Python, 

Frontend: React 

Databases: SQL and relational database systems 

Monitoring: New Relic, Kibana 

Workflow: Agile processes, cross-functional collaboration 

Have we piqued your curiosity?

Sound like the role for you? We’d love to hear from you! Even if you’re not 100% sure about potential fit, we still encourage you to apply. We’re looking for the right person, not the perfect series of checkboxes.

The Company is an Equal Opportunity Employer. We highly value diversity at our company and encourage people of all different backgrounds, experiences, abilities and perspectives to apply. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other protected characteristics.

By entering your email and phone number and submitting your application, you consent to receive emails, calls and SMS about your application and other roles at The Company, including by auto-dialer. Message and data rates may apply. Opt-out or text STOP to cancel at any time. If you are a California resident or reside outside the United States then by submitting your application you confirm that you have read, understood, agree and - where applicable - grant your prior, free, informed and express consent for the processing of your personal information, including sensitive personal information, as described in our California Applicant Privacy Notice or International Applicant Privacy Notice (as applicable).

Source: ClassPass careers

Similar roles