BlogZarobki ITFirmy ITpro:radar newDaj feedbackO nas
HR ITBlog
Dodaj ogłoszenie
Praca IT
Oferty pracy
Backend Engineer
Praca w miastach:Praca IT Warszawa•Praca IT Kraków•Praca IT Wrocław•Praca IT Szczecin•Praca IT Poznań•Praca IT Lublin•Praca IT Katowice•Praca IT Bydgoszcz•Praca IT Łódź•Praca IT Białystok•Praca IT Toruń•Praca IT Gdańsk
Stanowiska:Grafik komputerowy praca•Tester gier praca•Programista praca•Tester oprogramowania praca•Frontend Developer praca•Data scientist praca•Tester manualny praca•Tester praca•Analytics praca•Tester aplikacji praca•Programista java praca•Web developer praca
Technologie i narzędzia:Python praca•Cyberbezpieczeństwo praca•Java praca•Bazy danych praca•Cisco praca•C++ praca•Javascript praca•SQL praca•Business Intelligence praca•Delphi praca•Wordpress praca•Testowanie aplikacji praca•C# praca•PHP praca
Specjalizacje:Backend praca•Devops praca•Frontend praca•Full-stack praca•GameDev praca•Mobile praca•Embedded praca•Architecture praca•QA/Testing praca•Security praca•AI/ML praca•Big data science praca•Helpdesk praca•IT admin praca•Agile praca•Product Management praca•Project Management praca•UX/UI praca•Business analytics praca•SAP & ERP praca•System analytics praca•PO/PM praca•Scrum master praca•Analityka praca•Data analytics & BI praca
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on processing large data sets using Scala, Apache Kafka, ElasticSearch, Clickhouse and cloud environments Azure and GCP. Key aspects include observability and performance optimization. Responsibilities cover architecture design, software optimization, and data analysis. Required skills include Scala, Rust, Kafka, Kubernetes and SQL and NoSQL databases. Benefits offered include private medical care and flexible working hours.

newyou can start ASAP

Backend Engineer

Company: Synerise S.A.

from: 10 September 2026
to: 10 October 2026
14 000 - 20 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid
working mode:remote
Kraków, Krowodrza
Kraków, KrowodrzaWładysława Reymonta 20View on map

Requirements

Expected technologies

Scala
Kafka
Kubernetes
Elasticsearch
ClickUp

Optional technologies

Rust
Zabbix

Our requirements

  • Programming skills in Scala or other JVM language.
  • Programming skills in Rust or willingness to learn.
  • Solid understanding of Kafka and Kubernetes.
  • Experience with (at least one): Akka / ZIO / Cats.
  • Experience with SQL and NoSQL databases.
  • Hands-on experience using AI coding (e.g., Claude Code, Cursor, GitHub Copilot) as part of daily software engineering work.
  • Capacity to plan and scale systems to keep up with incredible growth.
  • Excellent troubleshooting and debugging skills.
  • A passion for building tools and automating everything.
  • Strong analytical skills.

Optional

  • Solid understanding of JVM internals (GC, profiling, heap and thread dumps).
  • Experience designing and operating microservices architectures.
  • Hands-on experience working in cloud environments (Azure and/or GCP), preferably with AKS.
  • Working knowledge of Java or Python.
  • Knowledge of ElasticSearch/Opensearch.
  • Basic knowledge of AI/ML concepts.

Your responsibilities

  • Develop architecture and design patterns to process and store high volume data sets.
  • Develop software with a core focus around optimisation and performance.
  • Translate complex functional and technical requirements into detailed design.
  • Perform analysis of vast data stores and uncover insights.

About the project

Our Backend Team works primarily with Scala, Apache Kafka, ElasticSearch, Clickhouse, Kubernetes, and cloud environments (Azure and GCP). Observability is a first-class concern: distributed tracing (OpenTelemetry, Jaeger), structured logging, and rich metrics are embedded into how we design and operate services.

This is how we organize our work

This is how we work

you have influence on the technological solutions appliedyou develop the code "from scratch"you focus on product developmentagile

Team members

backend developertechnical leaderarchitectdevOpsdata scientist

This is how we work on a project

  • code review
  • active monitoring
  • documentation
Having such great solutions, we are looking for a highly motivated Backend Software Engineer to join our brave and brilliant Synerise Team. See if you fit our diverse and dynamic environment, where we constantly evolve together with the growth of our clients.
Company

What we offer

  • Work on a production-grade, large-scale system used by enterprise customers worldwide.
  • Real technical challenges around performance, data volume, and distributed systems.
  • Opportunities for continuous technical growth and deeper ownership over system design.
  • Support from experienced engineers and a strong engineering culture.
  • Influence on architectural and technical decisions within your team.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities
  • flexible working time

Synerise S.A.

Synerise is looking for a Backend Engineer - to design, build, and evolve backend for event processing and analytics platform that powers AI-driven customer experience.
Synerise is not just another tech company. It is a space where our brilliant team consequently brings technology change to the business world and instead of following known paths, we are creating a new one – a next-generation, fully personalized, and AI-driven customer experience.
We successfully deliver an all-in-one tool – Synerise. An ever-evolving behavioral data platform, enhanced by AI to generate outstanding ROI in more than 30 markets for industry leaders in Retail, Banking, eCommerce, Automotive, Insurance, and Telco, processing more than 150 billion transactions annually. However, we don’t limit ourselves solely to this solution. We’re building BaseModel – a foundation model for behavioral data embedded within a novel platform for enterprise Data Science teams, that is another step on our path to create innovation in AI and demonstrate its potential for the business world.
Backend Engineer
14k–20k zł / mth. (B2B)
I apply to:
Synerise S.A.
Kraków, Krowodrza
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.

By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer