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Senior Java Software Developer
  • Kraków County
Senior Java Software Developer
Kraków, Kraków County, Lesser Poland Voivodeship, Polska
IG Group
27. 2. 2025
Informacje o stanowisku

Senior Java Software Developer

Senior Java Software Developer

Apply locations: Kraków - Poland

Time type: Full time

Posted on: Posted 30+ Days Ago

Job Title

Senior Java Software Developer

Job Description

Join the streaming technology team and lead the innovation.

So, who are we?

Hello, we’re IG Group. We’re a global, FTSE 250-listed company made up of a collection of progressive fintech brands in the world of online trading and investing. We’ve snapped up many awards for our top-class platforms, forward-thinking products, and incredible employee experiences.

We believe in financial freedom. Our purpose is to help ambitious people achieve it. Around 400,000 people use our groundbreaking technology and forward-thinking platforms to trade the financial products they know and love.

Did we mention we have offices in 18 countries? Yes, when you join IG Group, youll have the chance to work across multiple brands, with people all over the world. Join us for an exciting future and let’s innovate together!

Your role in the team

As part of our vision and long-term strategy, we are creating a new team focused on one of our most critical systems, responsible for streaming prices and all critical data to our customers across all platforms. This is a challenging area and requires a lot of determination and dedication. As a highly experienced Java Developer, the role will give you the chance to work with streaming technologies. From day one, you will be developing high volume, high performance services where security, reliability, and accuracy are paramount. You will be enthusiastic about making contributions that help the team meet the challenges we face, delivering high-quality software within a complex business domain. The role will require you to draw on your experience in approaches such as Continuous Delivery and understand how and when to use TDD, BDD, and DDD to deliver high-quality software that accurately represents the business domain. As part of this new team, you will have a chance to renovate and reshape the way we are currently working with streaming technologies.

What you’ll do

  • Design, develop, and maintain scalable and high-performance Java applications and services.
  • Collaborate with product managers and technical stakeholders to understand business requirements and translate them into technical designs and implementation plans.
  • Write clean, efficient, and maintainable code following best practices and coding standards.
  • Perform code reviews, provide constructive feedback, and mentor junior developers to promote code quality and ensure adherence to coding standards.
  • Participate in the full software development lifecycle, including requirements analysis, design, implementation, testing, and deployment.
  • Collaborate with cross-functional teams to ensure seamless integration and interoperability of software components.
  • Troubleshoot and debug complex issues, identifying root causes and implementing effective solutions.
  • Optimize application performance and scalability through code and database optimizations.
  • Stay up to date with emerging technologies, industry trends, and best practices in Java development, and apply this knowledge to enhance development processes and methodologies.
  • Contribute to the continuous improvement of software development practices, tools, and frameworks within the organization.

Who we’re looking for

You’re curious about the client experience, the rapid developments in tech, and the complex world of fintech regulation. You’re also a confident, creative thinker with a knack for innovating. We know that you know every problem has a solution. Here, you can try new ideas and lead the way in creating inspiring experiences for our clients and everyone around you. If you have that IG Group energy and you can stand behind what we believe in, let’s raise the bar together.

What you’ll need for this role

  • Extensive hands-on experience in Java application development, including proficiency in core Java concepts and frameworks such as Spring, Hibernate, or Java EE.
  • Solid understanding of object-oriented programming principles, design patterns, and software development best practices.
  • Understanding of how JVM works.
  • Experience developing RESTful web services using Apache Tomcat.
  • Firm believer in the value of agile development methodologies, Test Driven Development, and Continuous Delivery.
  • Quick to assimilate new ideas and concepts – productive from day one in the role.
  • A committed team player who builds relationships across the business.
  • A practical approach to problem solving, showing a high level of initiative.
  • Excellent attention to detail when under pressure, taking delivery commitments seriously.
  • Experience with large scale applications.
  • Experience with hiring, training, and mentoring less experienced team members.
  • Ability to design new solutions and improve existing ones.

Preferred Qualifications:

  • Experience with cloud platforms and services, such as AWS, Azure, or Google Cloud.
  • Knowledge of microservices architecture and related technologies, such as Spring Boot or Docker.
  • Experience with RESTful API development and integration.
  • Familiarity with testing frameworks and tools, such as JUnit, Mockito, or Selenium.
  • Knowledge of NoSQL databases, such as MongoDB or Cassandra.
  • Understanding of DevOps practices and tools, including CI/CD pipelines and containerization.

How you’ll grow

When you join IG Group, we want you to have more than a job – we want you to have a career. If you spot an opportunity, we want you to chase it. Stretch yourself, challenge your self-beliefs, and go for the things you dream of. With internal and external learning opportunities, and the tools to help you skyrocket to success, we’ll support you all the way.

The perks

  • Competitive salary and performance-related bonus.
  • Private medical insurance.
  • Gym membership allowance.
  • Comprehensive global and local onboarding process – to the company and to your role.
  • Employee-led networks with annual budget for organizing events & projects that foster an open, diverse, and inclusive culture.
  • Option to participate and create ESG initiatives based on IG Brighter Future Fund.
  • 2 additional days off a year for voluntary work.
  • 1 additional day off to celebrate your Birthday - Flexible working hours and more!

Where you’ll work

We follow a hybrid working model; we reckon it’s the best of both worlds. This model also feeds into our secret ingredients for innovation: diversity, flexibility, and close connection. You’ll be welcomed into a diverse and inclusive workforce with a lot of creative energy. We welcome people from various walks of life; anyone who wants to help us realize our vision and strategy.

Apply now

Number of openings: 1

About Us

Looking for a career at a company that will support you, challenge you, and help you grow? IG Group can provide that.

Were the market leader in financial derivatives trading, with a focus on innovation and advanced IT development. Were also one of Britains Top Employers, a ten-year trend we intend to continue.

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