Backend Engineer for Glacierware Platform

Startupvalleys; Saint-Sulpice; Remote; CHF 110,000 - 150,000; Full time

Job summary

Corintis, based at the EPFL Campus in St. Sulpice, is building Glacierware, a backend platform for microfluidic cooling simulations.

We seek a Backend Engineer to design and operate robust services, APIs, and data models that support engineering workflows, real-time updates, and long-running solver jobs on external compute resources. You will work across Java Spring Boot and Python FastAPI, strengthening reliability, observability, and deployability while collaborating with frontend and

Qualifications

• 4+ years of experience building production backend services in Java and Spring Boot.
• Experience designing and maintaining APIs and distributed services.
• Strong knowledge of asynchronous workflows and queue-based systems.
• Experience designing schemas in MongoDB or comparable document databases.
• Some Python experience to maintain a FastAPI service.
• Understanding of security architecture and SDLC best practices.
• Collaborative approach to code reviews, testing, and problem solving.
• Fluent in English.

Responsibilities

• Design, build, and maintain REST and WebSocket APIs used by Glacierware.
• Extend the scheduler, monitors, and task workers coordinating simulation jobs on external compute resources.
• Support asynchronous workflows, job tracking, parameter sweeps, and project accounting.
• Design and evolve MongoDB document schemas and change-stream pipelines.
• Maintain and improve the Python/FastAPI service alongside Java services.
• Improve test coverage, monitoring, logging, and deployments for reliability.
• Review code, share knowledge, and collaborate with frontend and simulation engineers on end-to-end features.

Skills

Java

Spring Boot

APIs

Distributed services

Asynchronous workflows

MongoDB

Python

Security architecture

SDLC

Code reviews

English

Tools

WebSocket

STOMP

Job description

Corintis, based at the EPFL Campus in St. Sulpice, is building Glacierware, a backend platform for microfluidic cooling simulations.

We seek a Backend Engineer to design and operate robust services, APIs, and data models that support engineering workflows, real-time updates, and long-running solver jobs on external compute resources. You will work across Java Spring Boot and Python FastAPI, strengthening reliability, observability, and deployability while collaborating with frontend and