Netguru
Posted 1mo ago

Senior Java Developer with Wildfly - Freelance

Netguru
Poland
€25-€38/hrRemoteFull Time
Responsibilities
  • developing software
  • implementing integrations
  • collaborating remotely
Requirements
  • 5+ years relevant experience with Java and Wildfly
  • ORM experience
  • Messaging (RabbitMQ)
  • Microsoft SQL Server and Oracle DB knowledge
  • Container/VM familiarity
  • AI tooling (AWS Kiro), and excellent English
Technical tools mentioned
JavaWildflyRabbitMQMicrosoft SQL ServerOracle DatabasesAWS Kiro

Job description

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

Currently we are looking for a Senior Java Developer.

Salary range (Senior): 25-38 EUR/h

Engagement: fulltime

Working Hours: CET

Start date: around mid August 2026

Project duration: minimum 6 months (with extension posibility)

Requirements

  • Min. 5 years of relevant experience
  • Strong experience with Java and Wildfly
  • Experience with ORMs
  • Knowledge of messaging and streaming brokers like RabbitMQ
  • Experience and knowledge of Microsoft SQL Server and Oracle Databases
  • Understanding of containers, VMs, and infrastructure
  • Experience with AI tooling for speeding up the development - AWS Kiro
  • Excellent English skills

Benefits

In return, we offer:

  • 100% remote, flexible work.
  • Work with an experienced team of developers and continuous development of your hard and soft skills.
  • Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes.
  • Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).

Here's what you can expect from the recruitment process:

  • First, you'll meet with one of our recruiters to get to know each other better.
  • If everything goes well, you'll have the opportunity to meet with the client during online interviews.

Don't hesitate and apply right away!

At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!

About Netguru

Building software and digital products for global brands.

Year founded
2008
Employees
900
Organization type
Private
Latest investment
Corporate Round (2018) — led by Supercharge Capital
Headquarters
PL

Similar jobs

Java Developer roles
10h
Save
Mark Applied
Hide
Java Developer
Krakow, Lesser Poland Voivodeship, Poland
HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
3+ YOERequires 3+ years of Java development experience, Spring/Spring Boot, Git, SQL, JUnit, Linux, Docker, Kubernetes, complex solution delivery, and fluent English communication.
Java, Java 8, Java 11, Java 17, Spring, Spring Boot, Guice, REST, JUnit, WireMock, Mockito, SonarQube, PostgreSQL, Docker, Kubernetes, ELK Stack, Bitbucket, Maven, Git, SQL, Linux, Postman, Insomnia, Kafka, Jenkins, BPMN
1d
Save
Mark Applied
Hide
Java Developer
Poland
RemoteFull Time
Avenga
Avenga: Provides custom software engineering and digital transformation services.
Senior Java development experience with WildFly, ORMs, RabbitMQ, Microsoft SQL Server, Oracle Database, containers, virtual machines, infrastructure, and AI development tools; strong English communication skills.
Java, WildFly, ORM, RabbitMQ, Microsoft SQL Server, Oracle Database, AWS Kiro
1d
Save
Mark Applied
Hide
Lead/Tech Lead Java Engineer
Poland or Bulgaria or Romania
RemoteFull Time
Patrianna
Patrianna: Develops proprietary software platforms for social gaming and iGaming.
Extensive Java production experience, JVM knowledge, system architecture, PostgreSQL and performance tuning expertise, messaging systems experience, troubleshooting, concurrency, security, mentoring, and upper-intermediate English.
Java, Java Virtual Machine (JVM), Spring Boot, Google Cloud Platform, Kubernetes, Kafka, AlloyDB for PostgreSQL, PostgreSQL, Spanner, Ebean ORM, Flyway, Redis, Quartz, WebSockets, Retool, Testcontainers, Locust, Jenkins, Argo CD, ELK, Sentry, Grafana, Jira, Confluence, Slack, Bitbucket
1d
Save
Mark Applied
Hide
Java Developer Internship Program (She/He/They)
Katowice or Lodz
HybridPart Time, Internship
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
0+ YOEActive student in IT or a related field with practical Java, basic SQL and relational database knowledge, Linux familiarity, and strong English and Polish communication skills.
Java, Spring, Java EE, SQL, Oracle DB, Linux, Oracle Xstore
1d
Save
Mark Applied
Hide
Mid-Level Java Developer with German
Wrocław or Warsaw
HybridFull Time
DXC Technology
DXC TechnologyNYSE: DXC: Global provider of IT services and business technology solutions.
3+ YOEAt least 3 years of Java development experience; strong Java, JUnit, Git, databases, web technologies, Spring Boot, and JPA/Hibernate skills; German C1 and good English; bachelor's degree or equivalent experience.
Java, JUnit, Git, PostgreSQL, MariaDB, Oracle, Spring Boot, JPA, Hibernate, JEE, JSF, PrimeFaces, JavaFX, React, Angular, Keycloak, LDAP, Jenkins, Kubernetes, Docker, SonarQube, Selenium, Jira XRay, AWS, Azure, Google Cloud, Microsoft Excel, Microsoft Azure
5d
Save
Mark Applied
Hide
Senior Java Developer with Angular
Warsaw, Masovian Voivodeship, Poland
RemoteFull Time
XTB
XTBWarsaw Stock Exchange: XTB: Global provider of online investment and trading platforms.
Strong Java microservices experience, commercial Angular experience, and knowledge of RxJS, TypeScript, HTML5, CSS3/SCSS. Requires solution delivery, code quality, ownership, and team collaboration.
Java, Micronaut, Angular, TypeScript, RxJS, SCSS, gRPC, Kafka, Pulsar, RabbitMQ, Chronicle, PostgreSQL, MongoDB, Redis, Rancher, Kubernetes, Prometheus, Grafana, OpenSearch, OpsGenie, JUnit, Testcontainers, Jest, IntelliJ IDEA, VS Code, WebStorm, GitHub Copilot, Claude Code, Windsurf, GitLab, GitLab CI, Jira, Confluence, Google Workspace, Gmail, Google Drive, Google Docs, Google Meet, Google Chat, NX, Salesforce, Figma, Playwright, Cypress
5d
Save
Mark Applied
Hide
Java Developer (f/m/x)
Gliwice or Poland
zł14k-zł27k/mo HybridFull Time
Emporix
Emporix: Provides an AI-driven autonomous commerce execution platform for enterprises.
4+ YOE4+ years of Java backend development; degree or equivalent experience; microservices, GCP, Kubernetes, MongoDB, Pub/Sub, security, and distributed systems experience; Polish and English at B2 level.
Java, Spring Boot, Micronaut, OWASP Dependency-Check, Google Cloud Platform (GCP), Kubernetes, Cloud Storage, Compute Engine, MongoDB, Pub/Sub, Make, n8n, Go
6d
Save
Mark Applied
Hide
Lead Java Developer (with C background)
Warsaw or Minsk or Chișinău or Belgrade or Bucharest
HybridFull Time, Contract
IDT
IDTNYSE: IDT: Provides telecommunications, payment services, and retail management systems.
7+ YOE7+ years of production experience with large-scale deployments; strong Java and C skills; CI/CD, cloud, Linux, networking, MySQL, and technical leadership experience; English at B2 level or higher.
Java, C, Asterisk, SIP, Linux, systemd, GCP, GitHub Actions, Jenkins, ArgoCD, Maven, MySQL, CI/CD