Senior Backend Engineer (Payments)
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 4d ago
The date the source published, not the day we noticed it (2026-09-11). Last seen at its source 2h ago.
Is it remote?
Marked remote on the employer's board
Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.
Who may apply?
Poland, Bulgaria, Portugal, Romania, Ukraine
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay PLN 340k–368k/yr
Middle 50% of 13 listings that do state pay — Engineering · Senior · Poland · PLN/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
ashby employer's own board first seen 4d ago · last seen 2h ago
- location Ukraine, Bulgaria, Poland, Portugal, Romania
The listing
About Patrianna
Patrianna is a fast-scaling product development company headquartered in Gibraltar, with a dynamic, global team powering our growth. We operate at the intersection of technology and entertainment, building innovative solutions that shape the future of social gaming and deliver outstanding experiences to millions of players worldwide.
We’re driven by speed, ambition, and bold ideas. At our core, we’re product creators and problem-solvers who thrive in a high-performance environment. We’re looking for exceptional talent—smart, adaptable, and motivated individuals eager to make an impact, scale business functions at pace, and continuously improve.
AI-Driven Engineering Culture
We are actively building an AI-driven engineering organization with a clear and deliberate stance: artificial intelligence is a core part of how we build and deliver software — not an experiment, not a trend, and not an optional add-on.
AI is embedded into our engineering workflows, from system design and prototyping to refactoring, testing, and code review. We rely on AI to significantly influence how work is done and to accelerate delivery, while maintaining a high bar for code quality, system reliability, and architectural clarity.
We expect engineers to be fully comfortable working in AI-driven environments and to treat AI as a primary productivity multiplier. Preference for AI-free workflows or resistance to AI-assisted development is NOT aligned with how we operate.
Strong engineering judgment, architectural ownership, and accountability remain essential. AI amplifies our engineers — it does not replace responsibility for technical decisions.
The Role
You’ll architect and build scalable Java solutions that power our global social gaming platform, reaching up to 150 million customers worldwide.
What you will be doing
• Write well-designed, testable and scalable code in a timely manner
• Take part in the full development cycle from sprint planning to release cycles
• Ensure smooth development and cooperation between dev teams and product owners
• Build and maintain high-load systems that handle massive scale
• Troubleshoot production issues using metrics, alerts, monitoring and profiling
• Contribute to seamless scaling and automation initiatives
What we are looking for
• Extensive experience as a Java Engineer with strong Java Core knowledge (Java 8+)
• Proven expertise in multithreading and high-load systems
• Solid SQL knowledge and database optimization skills
• Strong experience with Docker (docker swarm) and containerization ecosystem
• Excellent troubleshooting skills with production monitoring tools (metrics/alerts/monitoring/profiling)
• Good English communication skills in speaking and writing
• Experience with SPA and modern mobile and web technologies
Bonus points for: Experience with Clickhouse, GCP, Kafka ecosystem, ElasticSearch, Ebean, Protobuf, InfluxDB/Grafana, Google Services integration, or wallet service maintenance.
Main technologies we use:
Java 25
Spring Boot 4
Spring 7
Google Cloud Platform
Kubernetes
Kafka
AlloyDB for PostgreSQL
Spanner
Ebean ORM
Flyway
Redis
Quartz
Websockets
Retool
Test Containers
Locust for perf testing
Jenkins/ArgoCD
ELK/Sentry/Grafana
Jira/Confluence/Slack/Bitbucket
Why you will love it
You’ll work in a high-pace, high-growth environment where your code directly impacts millions of users globally. Enjoy full remote flexibility, generous leave policy, and the chance to shape cutting-edge fintech solutions in social gaming. Plus, you’ll be part of a collaborative, ego-free team where your ideas matter and continuous learning is part of the culture.