CrawlJobs Logo

Senior JVM Software Engineer

https://www.inetum.com Logo

Inetum

Location Icon

Location:
Poland, Warsaw

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

Join as Full Stack Developer (70% BE / 30% FE) to contribute to feature development in the Mobile Engineering department for a client in the telecommunications industry.

Job Responsibility:

  • Backend development and frontend feature implementation (70% BE / 30% FE)
  • Rate limit gateway
  • Frontend for agents
  • Customer complaints management

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

Nice to have:

  • Experience with Kafka, Kubernetes
  • German
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:
March 29, 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

New

Senior Software Test Engineer

You are passionate about building rock solid software. Now is your chance to do ...
Location
Location
Germany
Salary
Salary:
80000.00 - 90000.00 EUR / Year
linuxrecruit.co.uk Logo
Linux Recruit
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong background in software engineering
  • Ideally with a JVM based language
  • Ability to both write and evaluate clean, maintainable code
  • Solid understanding of modern testing and QA practices and frameworks
  • Experience in automation
  • Real curiosity about AI tools and their testing challenges
  • Collaborative mindset
Job Responsibility
Job Responsibility
  • Take ownership of the end to end of software testing projects within a platform team
  • Support dozens of other engineering teams across the organisation
  • Bring software engineering excellence into testing
  • Work with backend languages such as Kotlin, Java, or Go
  • Drive full automation across the stack
  • Collaborate closely with product managers and engineering leaders
  • Shape solutions that will have an impact far beyond your own team
  • Fulltime
Read More
Arrow Right
New

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
Canada
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 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
New

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
New

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
Israel
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
New

Senior Software Engineer - Data Integration & JVM Ecosystem

The Connectors team is the bridge between ClickHouse and the entire data ecosyst...
Location
Location
United Kingdom
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
  • Serve as a core contributor, owning and maintaining 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
  • Fulltime
Read More
Arrow Right
New

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
New

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
New

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
Welcome to CrawlJobs.com
Your Global Job Discovery Platform
At CrawlJobs.com, we simplify finding your next career opportunity by bringing job listings directly to you from all corners of the web. Using cutting-edge AI and web-crawling technologies, we gather and curate job offers from various sources across the globe, ensuring you have access to the most up-to-date job listings in one place.