CrawlJobs Logo

Senior JVM Software Engineer

https://www.inetum.com Logo

Inetum

Location Icon

Location:
Poland , Warsaw

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

A leading German company in the telecommunications and IT services industry is renowned for its innovative approach to web hosting, cloud computing, and internet services. With a focus on future-ready solutions, the company is embracing the latest advancements, including 5G technology, and is expanding its operations by opening a European Technology Center in Poland. The role involves contributing to the Customer Offer Services Domain, specifically focusing on the Sales Cockpit—a backend service designed to support sales agents in call centers.

Job Responsibility:

  • Develop and implement business functionalities within the domain, such as discount rule management
  • Participate in a dedicated sprint every two months for bug fixing and system support

Requirements:

  • 3,5+ years of experience
  • Java
  • Spring (Boot)
  • JUnit
  • REST
  • RDBMS
  • Good English skills - min. B2
What we offer:
  • Flexible working hours
  • Hybrid work model
  • Cafeteria system
  • Generous referral bonuses
  • Additional revenue sharing opportunities
  • Ongoing guidance from a dedicated Team Manager
  • Tailored technical mentoring
  • Dedicated team-building budget
  • Opportunities to participate in charitable initiatives and local sports programs
  • Supportive and inclusive work culture

Additional Information:

Job Posted:
April 25, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Senior JVM Software Engineer

Senior JVM Software Engineer

Join as Full Stack Developer (70% BE / 30% FE) to contribute to feature developm...
Location
Location
Poland , Warsaw
Salary
Salary:
Not provided
https://www.inetum.com Logo
Inetum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum 4 years of experience as a Full Stack Developer
  • Backend: Java, Spring Boot, PostgreSQL
  • Frontend: React, TypeScript, HTML, CSS
  • Experience in designing inter-service communication (REST, WebSocket, Message Broker)
  • Proficiency in Docker
  • Ability to write unit and integration tests (JUnit, Mockito)
  • English and Polish at B2 level
  • Independent and team-oriented work approach
Job Responsibility
Job Responsibility
  • Backend development and frontend feature implementation (70% BE / 30% FE)
  • Rate limit gateway
  • Frontend for agents
  • Customer complaints management
What we offer
What we offer
  • Flexible working hours
  • Hybrid work model
  • Cafeteria system
  • Generous referral bonuses
  • Additional revenue sharing opportunities
  • Ongoing guidance from a dedicated Team Manager
  • Tailored technical mentoring
  • Dedicated team-building budget
  • Opportunities to participate in charitable initiatives and local sports programs
  • Supportive and inclusive work culture
  • Fulltime
Read More
Arrow Right

Senior JVM Software Engineer

Design, develop, and implement robust and scalable backend solutions to integrat...
Location
Location
Poland , Kraków
Salary
Salary:
Not provided
https://www.inetum.com Logo
Inetum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum 5 years of experience as a Backend Engineer, preferably within a product organization
  • Strong proficiency in Java 8
  • Solid experience with Spring Boot and Hibernate
  • Experience designing and implementing RESTful APIs and Microservices
  • Good understanding of design patterns
Job Responsibility
Job Responsibility
  • Design, develop, and implement robust and scalable backend solutions to integrate our platform with customer systems
  • Write clean, well-documented, and efficient code, adhering to best practices and coding standards
  • Develop and execute comprehensive unit and integration tests to ensure the reliability and stability of the backend systems
  • Troubleshoot and resolve complex technical issues related to backend integrations
  • Serve as the backend expert during client projects, providing guidance and support on all backend-related matters
  • Coach and mentor client-side development teams, fostering their technical growth and ensuring successful integration
What we offer
What we offer
  • Flexible working hours
  • Hybrid work model
  • Cafeteria system
  • Generous referral bonuses
  • Additional revenue sharing opportunities
  • Ongoing guidance from a dedicated Team Manager
  • Tailored technical mentoring
  • Dedicated team-building budget
  • Opportunities to participate in charitable initiatives and local sports programs
  • Supportive and inclusive work culture
  • Fulltime
Read More
Arrow Right

Senior JVM Software Engineer

The project is centered around order management, providing and maintaining multi...
Location
Location
Poland , Poznań
Salary
Salary:
Not provided
https://www.inetum.com Logo
Inetum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Spring boot 3.x
  • Java 17+
  • JPA/Hibernate
  • OpenAPI
  • SQL
  • PostgreSQL
  • GIT
  • Maven
  • Docker
  • Kubernetes
Job Responsibility
Job Responsibility
  • Provide and maintain multiple integration interfaces
  • Rewrite and migrate solutions from JBoss/WildFly and Java 6/8 to Spring Boot and Java 21
What we offer
What we offer
  • Flexible working hours
  • Hybrid work model
  • Cafeteria system
  • Referral bonuses
  • Revenue sharing opportunities
  • Professional development
  • Team support
  • Team-building budget
  • Charitable initiatives
  • Local sports programs
  • Fulltime
Read More
Arrow Right

Senior JVM Software Engineer

We are seeking experienced Backend Developers to work on multiple projects withi...
Location
Location
Poland , Warsaw
Salary
Salary:
Not provided
https://www.inetum.com Logo
Inetum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Java (migration to 21)
  • Spring (boot, web, test, data)
  • Hibernate
  • JUnit
  • REST
  • RDBMS (postgres, Sybase)
  • English and Polish - B2 or higher (fluent communication skills)
Job Responsibility
Job Responsibility
  • Lead the Spring Boot upgrade effort to version 3.x
  • Participate in product development related to Customer Data, Payments Data, and the new iPayment system
  • Collaborate with cross-functional teams to design, develop, test, and deploy backend services
What we offer
What we offer
  • Flexible working hours
  • Hybrid work model
  • Cafeteria system
  • Generous referral bonuses
  • Additional revenue sharing opportunities
  • Ongoing guidance from a dedicated Team Manager
  • Tailored technical mentoring
  • Dedicated team-building budget
  • Opportunities to participate in charitable initiatives and local sports programs
  • Supportive and inclusive work culture
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

We are looking for engineers that can leverage their deep technical experience t...
Location
Location
United States , Lehi
Salary
Salary:
Not provided
clientsuccess.com Logo
ClientSuccess
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years professional software engineering experience
  • BS in Computer Science or similar
  • Ability to write clean and easily maintained code
  • Technical design skills with an emphasis on distributed and/or cloud-based scaling
  • Understanding of both client-side and server-side paradigms
  • Experience with Java, Clojure, or other JVM based technologies
  • Experience with SQL, database modeling, and ORMs
  • Experience with Javascript
  • Experience in React.js, Angular, HTML, CSS
  • Experience with event-based message processing
Job Responsibility
Job Responsibility
  • Own high impact and high visibility engineering projects end to end
  • Build and maintain our platform in a way that is scalable, extensible, and efficient in usage of system resources (memory, disk, I/O, etc)
  • Collaborate with product management and customers to deliver projects with measurable results
  • Mentor others within your team and the organization
  • Build systems and services that have an immediate impact on our customers
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
United States
Salary
Salary:
125600.00 - 185500.00 USD / Year
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of software development experience focusing on building and delivering high-quality, data-intensive solutions
  • Proven experience with the internals of at least one of the following technologies: Apache Spark, Apache Flink, Kafka Connect, or Apache Beam
  • Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as Apache Spark, Flink, Beam, or Kafka Connect
  • Strong understanding of database fundamentals: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases
  • A track record of building scalable data integration systems (beyond simple ETL jobs)
  • Strong proficiency in Java and the JVM ecosystem, including deep knowledge of memory management, garbage collection tuning, and performance profiling
  • Solid experience with concurrent programming in Java, including threads, executors, and reactive or asynchronous patterns
  • Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering functions
  • Understanding of JDBC, network protocols (TCP/IP, HTTP), and techniques for optimizing data throughput over the wire
  • Passion for open-source development
Job Responsibility
Job Responsibility
  • Own and maintain critical parts of ClickHouse's Data engineering ecosystem
  • Craft tools that enable Data Engineers to harness ClickHouse's incredible speed and scale
  • Own the full lifecycle of data framework integrations - from the core database driver that handles billions of records per second, to SDKs and connectors that make ClickHouse feel native in JVM-based applications
  • Build the foundation that thousands of Data engineers rely on for their most critical data workloads
  • Collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience
What we offer
What we offer
  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in 20 countries
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Time off - Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
Netherlands , Amsterdam
Salary
Salary:
Not provided
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of software development experience focusing on building and delivering high-quality, data-intensive solutions
  • Proven experience with the internals of at least one of the following technologies: Apache Spark, Apache Flink, Kafka Connect, or Apache Beam
  • Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as Apache Spark, Flink, Beam, or Kafka Connect
  • Strong understanding of database fundamentals: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases
  • A track record of building scalable data integration systems (beyond simple ETL jobs)
  • Strong proficiency in Java and the JVM ecosystem, including deep knowledge of memory management, garbage collection tuning, and performance profiling
  • Solid experience with concurrent programming in Java, including threads, executors, and reactive or asynchronous patterns
  • Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering functions
  • Understanding of JDBC, network protocols (TCP/IP, HTTP), and techniques for optimizing data throughput over the wire
  • Passion for open-source development
Job Responsibility
Job Responsibility
  • Own and maintain critical parts of ClickHouse's Data engineering ecosystem
  • Own the full lifecycle of data framework integrations - from the core database driver that handles billions of records per second, to SDKs and connectors that make ClickHouse feel native in JVM-based applications
  • Build the foundation that thousands of Data engineers rely on for their most critical data workloads
  • Collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience
What we offer
What we offer
  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in 20 countries
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Time off - Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites
Read More
Arrow Right

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
Germany
Salary
Salary:
Not provided
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of software development experience focusing on building and delivering high-quality, data-intensive solutions
  • Proven experience with the internals of at least one of the following technologies: Apache Spark, Apache Flink, Kafka Connect, or Apache Beam
  • Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as Apache Spark, Flink, Beam, or Kafka Connect
  • Strong understanding of database fundamentals: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases
  • A track record of building scalable data integration systems (beyond simple ETL jobs)
  • Strong proficiency in Java and the JVM ecosystem, including deep knowledge of memory management, garbage collection tuning, and performance profiling
  • Solid experience with concurrent programming in Java, including threads, executors, and reactive or asynchronous patterns
  • Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering functions
  • Understanding of JDBC, network protocols (TCP/IP, HTTP), and techniques for optimizing data throughput over the wire
  • Passion for open-source development
Job Responsibility
Job Responsibility
  • Own and maintain critical parts of ClickHouse's Data engineering ecosystem
  • Own the full lifecycle of data framework integrations - from the core database driver to SDKs and connectors
  • Build the foundation that thousands of Data engineers rely on for their most critical data workloads
  • Collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience
What we offer
What we offer
  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Time off - Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – opportunities to engage with colleagues at company-wide offsites
Read More
Arrow Right