# Lead Software Engineer

**Company**: London Stock Exchange Group (LSEG)
**Location**: POL-Gdynia-3T Office Park, Tower C
**Experience**: senior
**Job type**: full-time
**Salary**: 265,000 zł - 419,000 zł
**Category**: Engineering
**Industry**: Finance

**Apply**: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/POL-Gdynia-3T-Office-Park-Tower-C/Lead-Software-Engineer_R0124034-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_18c40ca9-ae6

## Description

As a Lead Software Engineer, you will define and drive the technical direction within a focused product or platform area. You will solve complex engineering challenges, guide others through code, design and architecture, and raise engineering standards across the team and organization. This role blends deep hands-on technical delivery with technical leadership, mentoring, and shaping the long-term quality and resilience of our systems.

**Responsibilities:**

- Design, develop, and deploy applications across all phases of the software lifecycle, ensuring high performance, security, and scalability.

- Architect and evolve distributed systems operating in cloud environments, with a focus on resilience, observability, and efficient operations.

- Build and maintain CI/CD pipelines, ensuring smooth, automated delivery and high-quality releases.

- Collaborate on API development, integration patterns, and service-to-service communication.

- Work with modern infrastructure tooling (Azure, containers, dev containers, IaC) to support fast, reliable deployments.

- Apply expertise in Data Lake, Change Data Feed, AKS, and Microsoft Fabric to guide solution architecture and delivery.

- Provide hands-on leadership, supporting engineers through code reviews, design walkthroughs, and architectural discussions.

- Raise engineering quality by influencing best practices, improving reusability, and reducing duplication across the platform.

**Requirements:**

- Proven ability to design and implement complex, distributed systems operating at scale.

- Strong programming expertise with the ability to work comfortably with object-oriented and functional patterns.

- Good understanding of relational databases.

- Hands-on capability with SQL, Spark SQL, and core data-engineering patterns.

- Strong understanding of system design, integration patterns, and secure communication between services.

- Ability to apply domain knowledge to guide team-level technical decisions, improve architecture, and drive consistency.

**Benefits:**

- Competitive compensation and benefits package.

- Anticipated annual gross base salary for this position is between 265,000 zł - 419,000 zł.

- Eligible for Annual Bonus Plan.

- LSEG Benefits program, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

## Skills

### Required
- Data Lake
- Change Data Feed
- AKS
- Microsoft Fabric
- Azure
- containers
- dev containers
- IaC
- SQL
- Spark SQL
- object-oriented
- functional

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Source: [Apply at lseg.wd3.myworkdayjobs.com](https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/POL-Gdynia-3T-Office-Park-Tower-C/Lead-Software-Engineer_R0124034-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)