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Senior Software Engineer

LSEG (London Stock Exchange)

POL-Gdynia-3T Office Park, Tower C permanent

Posted: May 14, 2026

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Quick Summary

This Senior Software Engineer position involves working with Java and Oracle technologies, onboarding data from external web sources into a Commodities database, ensuring accurate and efficient data entry and updates, and collaborating with internal teams.

Job Description

This is a Senior Developer position where you will work with Java and Oracle technologies. Altogether your major responsibility will be to on-board data to our fundamentals database in the Commodities from external web sources and ensure the data is correctly added and updated in the databases for further distribution to our customers. You will be much exposed to partner with a number of internal teams, which makes this job diverse and gives opportunity to learn constantly.

YOU AND YOUR TEAM:

This is a Senior Developer position where you will work with Java and Oracle technologies. Altogether your major responsibility will be to onboard data to our fundamentals database in the Commodities from external web sources and ensure the data is correctly added and updated in the databases for further distribution to our customers. You will be much exposed to partner with a number of internal teams, which makes this job diverse and gives opportunity to learn constantly.

WHY IS THIS JOB IMPORTANT?

The Content that we onboard is used by a varied group of external customers that use it to analyse the vector of commodities market trading. The content is delivered though our flagship desktop product LSEG Workspace and specialized commodities feed product LSEG PointConnect. Our customers, mostly big production companies, trading houses and asset managers, take advantage of your expertise to deliver accurate content in a timely manner to take their business decisions every day.

Key Responsibilities:

- Develop and maintain Java-based ETL solutions
- Work with Oracle SQL database to retrieve and manipulate data
- Ensure data quality and consistency
- Collaborate with commodities market analysts
- Dataflow monitoring
 
Required Skills & Qualifications:
 
- At least 3 year experience working with Java 8
- Experience with ETL tools (Apache POI, Commons-IO, or Java-based ETL solutions)
- Oracle SQL knowledge
- Experience working with APIs
- Basic knowledge of software development lifecycle, issue tracking, and version control
- Good command in English - both written and verbal
- Strong problem-solving skills and attention to detail
 
Preferred Qualifications:
 
- Familiarity with Python & Playwright

Career Stage:

Senior Associate

Compensation Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated annual gross base salary for this position is between zł125,600 - 198,600. Please be aware base salary ranges may vary by geographic location. In addition to our offered base salary, this role is eligible for our Annual Bonus Plan (”bonus plan”). Target Bonus % will be commensurate with role level and posted career stage. Individual salary will be reflective of job-related knowledge, skills and equivalent experience.

Benefits Information:

LSEG roles (excluding internships) are typically eligible for inclusion in our LSEG Benefits program.  To view the benefits available for the role you're applying for, please click here. This document provides a list of benefits by country. Simply click on the country where the role is based to view the relevant details. If you have specific questions or would like further details, these can be discussed during your interview.

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

Please click here to access the personal information task in Workday. For US Candidates, to learn more about voluntary self-identification of disability including why you are asked to provide the information, how to know if you have a disability, and the new disability status categories, please refer to this document.
 
By clicking on "Apply", the process for submitting an application will begin. If you have any questions prior to clicking "Apply", please contact the recruiter.

Career Stage:

Senior Associate

Compensation Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated annual gross base salary for this position is between zł125,600 - zł198,600. Please be aware base salary ranges may vary by geographic location. In addition to our offered base salary, this role is eligible for our Annual Bonus Plan (”bonus plan”). Target Bonus % will be commensurate with role level and posted career stage. Individual salary will be reflective of job-related knowledge, skills and equivalent experience.

Benefits Information:

LSEG roles (excluding internships) are typically eligible for inclusion in our LSEG Benefits program. To view the benefits available for the role you're applying for, please click here. This document provides a list of benefits by country. Simply click on the country where the role is based to view the relevant details. If you have specific questions or would like further details, these can be discussed during your interview.

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

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