Runtime s.r.o. — Backend Engineering

Backend systems
built for production.

Java backend engineering for the financial sector — APIs, cloud infrastructure, event-driven architecture, and reliable delivery.

Get in touch What we do

About

Focused expertise,
reliable delivery.

Runtime s.r.o. is a backend engineering studio specializing in financial-sector applications. Delivering backend services since 2022, we focus on building software that is reliable, maintainable, and ready for production.

Every engagement is handled with full technical ownership — from initial design through deployment, monitoring, and ongoing support. No overhead, no ambiguity about who is responsible.

Since 2022
Operating in financial-sector backend engineering
AWS
Primary cloud — Terraform managed infrastructure
Certified in Terraform (HashiCorp Associate 003) and GitHub Actions. Background in Scrum and Kanban delivery within distributed engineering teams.

Services

What Runtime delivers

Engagements range from feature delivery on existing systems to owning a service from design through production.

01
Java Backend Development
REST API design and implementation, business logic, Spring Boot services, Maven-based builds, and third-party integrations for financial applications.
02
Cloud Infrastructure
AWS infrastructure automation with Terraform and Terragrunt. Deployment pipelines via GitHub Actions. Multi-environment management.
03
Event-driven Architecture
Asynchronous service communication using AWS SQS. Integration within distributed backend platforms combining monoliths and microservices.
04
Production Support
Incident investigation, root-cause analysis, and targeted fixes. Monitoring with CloudWatch, Grafana, and Splunk across multiple environments.
05
Technical Debt Reduction
Dependency upgrades, refactoring, and stabilization of Maven-based backend services without disrupting ongoing delivery.
06
CI/CD Automation
Build and deployment workflow design with GitHub Actions. Reliable release pipelines for bi-weekly or continuous delivery cadences.

Technology Stack

Tools and technologies in active use

Backend
Java Spring Boot Spring REST APIs Maven XSLT Thymeleaf
Cloud & Infra
AWS Terraform Terragrunt GitHub Actions CI/CD
Messaging
AWS SQS Event-driven architecture Async communication
Observability
CloudWatch Grafana Splunk
Delivery
Scrum Kanban Distributed teams Agile

Contact

Let's talk about
your backend.

Email runtime.sro@gmail.com
Based in Slovakia, EU
Availability Open to project-based engagements