Senior Software Engineer

Kontakt.ioKraków, Województwo małopolskie, Polska

30+ days ago

Job description

Mission Statement :

Kontakt.io is building the platform that care operations run on.

We reduce waste, cut costs, and improve revenue by improving throughput, asset utilization and staff productivity. Our platform uses AI, RTLS, and EHR data to enable self-learning agents to automate workflows, adapt in real-time, and orchestrate all of care delivery operations.

Easy to deploy and scale, it gives a clear picture of spaces, equipment, and people, eliminating inefficiencies and enhancing the patient experience. With measurable 10X ROI and over 20+ use cases, Kontakt.io is the go-to platform for better and faster care delivery operations.

Success in this position requires a passion for building high-performing and reliable applications. You need to have an internal urge to come up with innovative ideas and look for the best tools to solve scalability problems.

Our tech stack :

backend : Kotlin, Java 15+ ; Spring boot, spring-data, Kafka, MongoDB, PostgreSQL, Docker, Kubernetes, Python, AWS

We are looking for a person who is able to work independently with the ability to look at the problem from a product perspective, suggest proper solutions and then execute against them.

You will be expected to :

develop user-facing Kontakt.io Apps

define data models and work with database systems like MongoDB and Postgres

establish connectivity with third-party systems using modern integrations technologies like RESTful APIs, WSS Streams, Webhooks, Kafka streams

build modular and reusable components and libraries

contribute to key architectural decisions that directly impact the scalability of Kontakt.io Apps.

write and maintain documentation

write performance tests

support and maintain CI / CD Workflows

create and drive best practices in the team (including peer reviews and building for testability)

propose any upgrades and updates necessary for keeping up with modern security and development best practices

participate in 24 / 7 on-call rotation

Our requirements :

6+ years of software engineering experience

hands‑on experience in designing and developing highly scalable applications using modern technology stacks such as Java / Kotlin,

strong Kafka experience

strong microservice architecture experience

knowledge of Spring frameworks

the ability to naturally follow good development practices like test automation, CI / CD, source version control, etc

experience with development for and deployment to AWS

good communication skills (English is a must)

Big Data experience is a great asset

We offer :

160 -190 PLN net / B2B / h or 20 000 - 23 000 PLN gross / Employment Contract

fast‑paced and dynamic startup environment, flat structure

competitive salary and stock option plan

work with our IoT experts and trending technologies

Hybrid work (Krakow office) — 3 days per week on‑site

collaborative and self‑organized environment

flexible working hours

private medical care, cafeteria system

Ready to Build the Future of Healthcare?

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Senior Software Engineer • Kraków, Województwo małopolskie, Polska

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