Senior Backend Engineer (Cloud Infrastructure & Virtual Power Plant Systems)

capalo ai • Finland

Relocation

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AI Summary

Design and build cloud-native backend systems for Capalo Zeus VPP™, a virtual power plant managing grid-scale battery storage across European energy markets. Focus on reliability, scalability, and real-time integrations with industrial protocols and market operators. Own end-to-end technical decisions, architecture, and production operations for mission-critical infrastructure.

Key Highlights

Build cloud infrastructure for Europe’s grid-scale battery virtual power plant (VPP) with 24/7 operational reliability

End-to-end ownership of backend systems, including event-driven services, APIs, and industrial integrations (MQTT, IEC-104)

Work with AWS, Python, and modern backend engineering to optimize forecasting, dispatch, and market interactions

Key Responsibilities

Design and build backend services for asset monitoring, schedule generation, command delivery, and battery dispatch

Develop cloud-native infrastructure on AWS, including event-driven services, storage layers, and deployment tooling

Improve observability, failure handling, and incident response for production-critical services operating 24/7

Contribute to engineering standards through architecture reviews, Infrastructure as Code (Terraform), and CI/CD pipelines

Mentor junior engineers and shape the technical direction of the platform

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Technical Skills Required

Python Amazon Web Services Asynchronous/Event-Driven Architectures

Benefits & Perks

Hybrid work model (3 days in-office, Helsinki/Kuopio or remote within Finland)

Relocation support available

Production systems with real-world impact in European energy markets

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Nice to Have

Infrastructure as Code (Terraform)

Experience with MQTT, IEC-104, or industrial protocols

Background in time-series systems, scheduling, or control systems

Experience with energy markets, trading platforms, or optimization-driven production systems

Job Description

Location: Helsinki, Finland (Hybrid) · Kuopio or remote within Finland · Relocation support available

Build the cloud platform behind Europe's grid-scale batteries

We're looking for a Senior Backend Engineer to help build the cloud infrastructure behind Capalo Zeus VPP™—our virtual power plant that forecasts, optimizes, bids, dispatches, and operates grid-scale battery storage across European electricity markets.

This is not an internal business application. Our software continuously interacts with real battery assets and market operators, making production reliability, correctness, and operational excellence central engineering challenges.

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