CareerPlan

Software Engineer III | FullStack

BrazilFull-time2026-10-30 → 2026-11-10

Core

Building in-house outbound marketing capabilities (campaigns, lifecycle journeys, re-engagement, audience management) for a CRM and Marketing platform serving fitness and wellness businesses.

Role type

Senior FullStack Software Engineer

Builds

Production code for marketing services, APIs, and data pipelines

Domain

SaaS / Marketing Technology / Wellness Economy

Deliverable

production ML models | product features

Required skills

C#/.NET, TypeScript/JavaScript, API design, microservice architecture, SQL, relational data modeling, observability

Preferred skills

AWS, GraphQL, event-driven architecture, Snowflake, Redis

Technologies

C#, .NET, ASP.NET, React, Next.js, TypeScript, PostgreSQL, Amazon Aurora, Microsoft SQL Server, DynamoDB, Snowflake, Redis, AWS (SNS, SQS, Lambda, EKS, CloudWatch), GraphQL, New Relic, NLog

Responsibilities

Build and ship production code for services behind campaigns and audience management; Develop and test APIs ensuring data sync; Add features to segmentation tools and fix bugs; Collaborate with Product, Design, and senior engineers; Handle production issues to ensure reliability; Grow into ownership of larger system components