Senior Data Scientist - London Stock Exchange Group in London

Energy Jobline ZR; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading financial markets infrastructure firm in London seeks a Senior Data Engineer responsible for developing scalable data pipelines and building API integrations. The ideal candidate will have at least 6 years of experience in technical roles, including expertise in data migration, Python, SQL, and ETL tools, as well as strong communication skills. This role offers competitive benefits including healthcare and retirement planning.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Qualifications

• 6 years of technical experience, including 4+ years of data migration using ETL tools.
• Strong communication skills in English, both oral and written.
• Curious about new technologies and tools, creative thinking and initiative.

Responsibilities

• Develop and maintain scalable data pipelines and API integrations.
• Collaborate with data and business teams to improve data models.
• Design and implement data migration strategies for large-scale programs.

Skills

Data migration using ETL tools

Informatica IICS

Python

SQL

Salesforce data extraction

Cloud-based applications on AWS or Azure

Snowflake storage

Communication skills

Education

BE/MS degree in Computer Science or Software Engineering

Tools

JIRA

Confluence

Job description

Senior Data Engineer – Customer Lifecycle Engineering, CMR

LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business. We enable businesses and economies worldwide to fund innovation, manage risk and create jobs through trusted financial market infrastructure services.

Role Profile

As a Senior Data Engineer, you are responsible for developing and maintaining scalable data pipelines and building new API integrations to support continuous increases in data volume and complexity. You will collaborate with data and business teams to improve data models that feed business intelligence tools, increasing data accessibility and fostering data‑driven decision making across the organisation.

Technical Profile / Essential Skills

• 6 years of technical experience, including 4+ years of data migration using ETL tools.
• Expertise in Informatica IICS, Matillion or equivalent ETL tool for end‑to‑end data mapping.
• Proficient coding knowledge in Python and SQL.
• Experience with Salesforce data extraction and integration.
• Knowledge of object‑oriented design and data modelling (desirable).
• Understanding of Salesforce concepts (desirable).
• Experience providing technical solutions and supporting documentation.

Skills and Experience

• Experience with Snowflake storage and database.
• Experience with cloud‑based applications on AWS or Azure.
• Understanding of SDLC and agile delivery methodology.
• Data cleanup, manipulation and migration to/from Salesforce.com.
• Strong communication skills in English, both oral and written.
• Self‑directed, highly motivated with a proactive demeanor.
• Customer and service focused with a determination to meet expectations.
• Experience with JIRA and Confluence.

Education and Professional Skills

• BE/MS degree in Computer Science, Software Engineering or STEM (desirable).
• Solid English reading/writing capability required.
• Good communication and articulation skills.
• Curious about new technologies and tools, creative thinking and initiative.
• Agile related certifications preferable.

Detailed Responsibilities

• Proficient in data discovery, migration, quality analysis and end‑to‑end reconciliations using ETL/SQL (IICS / Matillion preferred).
• Analyse data quality metrics of source systems.
• Design and implement data migration strategies for large‑scale programs.
• Develop and improve data governance and business data processes.
• Collaborate with developers, architects and solution designers to translate business requirements.
• Maintain relationships with business collaborators and impacted users.
• Identify, recommend and implement process improvements on assigned projects.
• Stay up to date with industry developments and technology innovations.
• Adapt plans and strategies to manage risk around ambiguity.
• Provide technical design insight and code reviews when required.
• Manage workload, promote an inclusive culture and communicate complex information clearly.
• Take initiative to develop knowledge in technology products and tools through learning, certifications and projects.

LSEG Purpose and Values

Our purpose is to drive financial stability, empower economies and enable customers to create sustainable growth. Our values – Integrity, Partnership, Excellence and Change – underpin everything we do and guide all decisions.

Join Us

We value innovation, quality and continuous improvement. If you are ready to take your career to the next level and make a significant impact, we would love to hear from you.

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

Equal Opportunity Statement

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, sex, sexual orientation, gender identity or expression, marital status, veteran status, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' practices and beliefs, as well as mental health or physical needs.

Application Process

If you are interested in applying for this job, please press the Apply button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.