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Zeno
Backend Engineer, Mid-Level (AWS, Python & Node.js and/or SpringBoot) at Zeno
KenyaFull TimeMid-Senior Level
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Zeno
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The Role
What You'll Do
Develop and maintain backend microservices — Vehicle Service, Swap Station Service, Transaction Management Service, and Wallet Management Service — using Python (FastAPI/Flask) and Node.js (Express)
Build and maintain RESTful APIs consumed by the App and Web clients
Work with PostgreSQL/RDS for core domain data (customers, vehicles, fleet partners, battery packs, swap stations) and ClickHouse for vehicle and swap-station telemetry
Implement and maintain asynchronous, event-driven workflows
Contribute to wallet/ledger transaction processing with attention to idempotency and data correctness
Deploy and manage services on AWS (ECS, RDS, S3, CloudWatch)
Write and maintain data-ingestion logic for high-volume telemetry data
Participate in code reviews, write unit/integration tests, and follow engineering best practices
Debug and resolve production issues, including monitoring via CloudWatch Logs and handling dead-letter queue (DLQ) messages for failed transactions
Collaborate with senior engineers on system design discussions and contribute to technical documentation
Support CI/CD pipeline maintenance (GitHub Actions)
What You'll Bring
5+ years of experience in backend software development
Strong proficiency in Python and/or Node.js
Experience building and consuming RESTful APIs
Working knowledge of AWS services (ECS, RDS, S3, SQS/SNS, CloudWatch)
Experience with relational databases (PostgreSQL/MySQL); exposure to time-series/columnar databases (ClickHouse) is a plus
Understanding of asynchronous/event-driven architecture patterns
Familiarity with Git and collaborative development workflows
Solid understanding of software testing practices (unit, integration)
Good problem-solving and debugging skills
Strong communication and collaboration skills
Nice to Have
Experience with Docker and container orchestration
Exposure to Redis for caching or live data use cases
Experience with message queue systems (SQS, SNS, RabbitMQ)
Familiarity with financial/wallet/ledger systems
Experience in IoT, telemetry, or connected-device platforms
AWS Cloud Practitioner or Associate-level certification
Exposure to microservices architecture and API gateway/service mesh (Envoy)
Benefits
Hands-on experience building backend systems for a real-time EV mobility platform
Exposure to telemetry pipelines, wallet/payment systems, and fleet management at scale
Mentorship from senior engineers
Growth path toward senior/lead backend engineering roles
Company-sponsored healthcare plan
Join a world-class team of engineers, operators, and entrepreneurs from across the globe who are part of the inevitable trillion-dollar transition of two-wheelers to electric!