372,956open jobs
9,661companies
50,233added this week
Browse all
Salary
$64k – $77k per year
Location
Remote (Poland)
Seniority
Middle · 4+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match

Sii

Sii is a Polish company in the information technology and engineering services sector. It provides software development, testing, business process outsourcing, and engineering solutions for clients in industries such as finance, telecommunications, automotive, and manufacturing.

We are looking for an experienced Java Cloud Developer to join a dynamic team delivering modern digital solutions for business clients. You will be part of a product area focused on virtual card services and digital platforms that support innovative business models such as Click & Collect and fleet management solutions.

Those systems enable end-to-end management of payments and communication with business customers, including fueling, car wash services, invoicing, and card/account management. The portfolio spans both mobile and web applications, as well as external APIs (e.g., Payment-as-a-Service), serving primarily Scandinavian and Baltic markets. You'll work across a mix of greenfield development and enhancements to existing systems.

Your tasks

  • Design and implement new features and system improvements

  • Ensure software quality through testing and validation against requirements

  • Diagnose, troubleshoot, and resolve technical issues

  • Collaborate with cross-functional teams in an agile environment

  • Participate in team ceremonies and contribute to technical discussions

  • Prepare and maintain technical documentation

Requirements

  • At least 4 years of hands-on experience in Java development

  • Strong knowledge of frameworks and tools: Spring (Boot, Data, Cloud), JUnit, Spock, JPA, Hibernate

  • Solid experience with PostgreSQL, SQL, NoSQL databases, and Redis

  • Practical experience with cloud and containerization technologies (Azure, Kubernetes, Docker)

  • Experience building and integrating REST/SOAP APIs, including Swagger/OpenAPI documentation

  • Familiarity with CI/CD and development tools: Jenkins, SonarQube, Git, Gradle

  • Very good communication skills in both English and Polish

  • Residing in Poland required

Nice-to-have requirements

  • Knowledge of TDD/BDD practices, e.g., Spock, Mockito, Cucumber

  • Basic understanding of Domain-Driven Design (DDD)

  • Familiarity with service mesh architectures

What we offer

  • Great Place to Work since 2015 - it's thanks to feedback from our workers that we get this special title and constantly implement new ideas

  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022

  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

  • Comfortable workplace - class A offices or remote work

  • Dozens of fascinating projects for prestigious brands from all over the world

  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

  • Investment in your growth - meetups, webinars, training platform and technology blog - you choose

  • Fantastic atmosphere created by all Sii Power People

If you want to work on systems with high operational significance - apply now!

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
372,956 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Warsaw
$31k – $60k per year (Estimated) • In office • Full-Time • 10+ years exp • Noida
Python
Databases
Redis
DevOps
CI/CD
Docker
Rest API
Apply
$75k – $214k per year (Estimated) • Remote • 5+ years exp • Singapore
Go
Ruby
Ruby
Ruby on Rails
AI/ML
AI Agents
Model Context Protocol
DevOps
CI/CD
Git
Rest API
Apply
In office • Full-Time • Canberra
Java
Python
SQL
Python
pySpark
Databases
Amazon Redshift
Apache Kafka
Databricks
Google BigQuery
Microsoft Fabric
Snowflake
AI/ML
dbt
Spark
DevOps
AWS
Azure
CI/CD
GCP
Platform Engineering
Analytics
ETL/ELT
Power BI
Tableau
Apply
$22k – $53k per year (Estimated) • In office • Full-Time • 5+ years exp • Chennai
JavaScript
SQL
Databases
Oracle
DevOps
Git
Incident Management
Apply
Data Scientist 2 hours ago
Remote/Hybrid • Full-Time • Beijing
Python
AI/ML
A2A
AI Agents
Context Engineering
Function Calling
GraphRAG
Knowledge Graph
LLM
LoRA
Model Context Protocol
NLP
PEFT
Prompt Engineering
QLoRA
RAG
Transformers
DevOps
Git
Chips/EDA
PoC Library
Apply
$39k – $85k per year (Estimated) • In office • Full-Time • Warsaw
SQL
Management
Confluence
Jira
Apply
$40k – $84k per year (Estimated) • In office • 5+ years exp • Warsaw
SQL
Databases
Microsoft Fabric
DevOps
Azure
Analytics
ETL/ELT
Apply
$40k – $82k per year (Estimated) • Remote/Hybrid • 5+ years exp • Warsaw
Python
SQL
Databases
Microsoft Fabric
DevOps
Azure
Azure DevOps
GitHub
Analytics
Power BI
ETL/ELT
Apply
$60k – $80k per year • In office • Full-Time • Kraków
C++
Python
QA
Robot Framework
Apply
$49k – $85k per year (Estimated) • Remote/Hybrid • Full-Time • 3+ years exp • Warsaw
PHP
SQL
PHP
Symfony
DevOps
CI/CD
Rest API
Apply
QA Engineer II 2 hours ago
$27k – $49k per year (Estimated) • In office • 2+ years exp • Bachelor's Degree • Warsaw
AI/ML
Claude
Cursor
OpenAI
Management
Jira
Marketing
Salesforce
Apply
Applied AI Engineer 3 hours ago
$57k – $160k per year (Estimated) • In office • Full-Time • Berlin • Warsaw • London
Java
Python
SQL
Databases
Apache Kafka
Google BigQuery
PostgreSQL
AI/ML
AI Agents
Flink
LangChain
Llama
LlamaIndex
Prompt Engineering
RAG
Vertex AI
Anthropic
OpenAI
Context Engineering
Function Calling
Gemini
Google ADK
Human-in-the-Loop
Knowledge Graph
LangGraph
LLM
LLM Guardrails
Mistral
Model Context Protocol
DevOps
Rest API
GCP
Vector
Apply
$61k – $106k per year (Estimated) • Remote/Hybrid • 3+ years exp • Warsaw
C#
PowerShell
C#
.NET
DevOps
AWS
Azure
Azure DevOps
GCP
Git
GitLab
Jenkins
TeamCity
QA
Selenium
TestRail
Apply
$24k – $65k per year (Estimated) • In office • Full-Time • Kraków • Katowice • Bydgoszcz • Warsaw • Łódź
SQL
Marketing
Salesforce
Apply
$52k – $106k per year (Estimated) • In office • Full-Time • Lisbon • Budapest • Warsaw
Apply
See all jobs
This is one of many
372,956 more open roles from verified company boards, updated every day.