Wellhub
Workplace Wellness
SeniorBackendSoftwareEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Backend Software Engineer at Wellhub. Skills: Python, AWS, APIs, LLM. Design and ship AI-powered features. Own quality, latency, and cost”
What You'll Achieve.
Ship them and keep them reliable, observable, and fast in production; Hold up under real load; Create real impact; Shape a healthier, more balanced world
Industry & Context.
Critical thinker; Question assumptions; Comfortable saying 'I don't know' and going to find out; Proactive; Notice things that should be better and fix them
Only open to candidates in Brazil, Work from anywhere within Brazil
What They're Looking For.
Must Have
Python, AWS, serverless (Lambda), SQL, NoSQL (DynamoDB, OpenSearch, Postgres), APIs, Event-driven systems (Kafka, SQS), Production observability (metrics, logs, traces, alerts), Distributed systems, Loosely-scoped problems, Kotlin, Golang, Java, Microservices
Nice to Have
SQL and some data pipeline experience (e.g., Airflow), LLM-based systems in production, Evaluation, prompts, retrieval, agentic workflows, AI coding tools (Cursor, Claude Code, GitHub Copilot)
What You'll Do.
Design and ship AI-powered features
Build backend services and APIs
Instrument what you ship
Review code and designs critically
Push back when something doesn't add up
and agent changes from experiment to production
Inspire and empower others
Bring wellbeing to the forefront of work
Create a supportive environment
How You'll Work.
Team & Collaboration
Collaborative across product, design, data science, and engineering; Work with product team
Communication Scope
Communicator, written and verbal, with technical and non-technical audiences
Full Job Description
Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior Backend Software Engineer to join our CARE - Engagement & Platform team in Brazil! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. We build AI-powered backend services that put LLMs in front of real users. We need a senior engineer who can ship them and keep them reliable, observable, and fast in production. YOUR IMPACT As a Senior Backend Software Engineer on the AI Engine team, you will: Design and ship AI-powered features end to end. You own quality, latency, and cost. Build backend services and APIs that hold up under real load. Instrument what you ship, watch the numbers, fix what's wrong. Review code and designs critically. Push back when something doesn't add up. Help taking prompt, retrieval, and agent changes from experiment to production. Live the mission: inspire and empower others by genuinely caring for your own wellbeing and your colleagues. Bring wellbeing to the forefront of work, and create a supportive environment where everyone feels comfortable taking care of themselves, taking time off, and finding work-l
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