Senior Python Engineer - B2B SaaS Fintech - AI

United Kingdom | May 28, 2026

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Company: Landytech

Country: United Kingdom

Type: Hybrid remote

Employment: Full-time

Description:

Landytech is on a mission to revolutionize the way that investment managers, asset owners and their advisors access asset information. Powered by Sesame, an industry-leading investment reporting platform, we are helping clients in over 15 countries make informed investment decisions and deliver insights faster.

The company is growing rapidly and it's an exciting time to join, having secured $12M in Series B funding in January 2023. In just four years, it has gone from two co-founders to a team of 100+ staff, with offices in London and Paris. At Landytech, we see diversity as our strength with a team from over 15 countries and 14 languages spoken.

Team & Role

We're seeking a talented Software Engineer to join our team. You'll build and maintain services and tools (written primarily in Python) that process and publish financial metrics, directly impacting how our customers access and utilize critical financial data.

This is an excellent opportunity for engineers with strong fundamentals to develop their expertise in a finance-focused environment using modern technologies. We welcome candidates at all experience levels - whether you're early in your career and eager to learn, or a seasoned engineer seeking hands-on technical work in the fintech domain.

Key Responsibilities

• Develop and maintain robust APIs for processing and publishing financial metrics
• Write clean, efficient, and well-documented code
• Collaborate with the team to design scalable solutions for financial data pipelines
• Participate in code reviews and contribute to engineering best practices
• Debug and optimize existing systems for performance and reliability
• Work closely with stakeholders to understand requirements and deliver solutions

Your Skills & Expertise

• Solid understanding of data structures, algorithms, and software design principles
• Good knowledge of Python and object-oriented programming principles
• Understanding of relational databases and database design fundamentals
• Familiarity with unit testing and integration testing practices Comfortable working collaboratively in a team environments

Nice to have

• Experience with low-level programming languages (Rust, C++)
• Financial domain knowledge: understanding of financial concepts, metrics, or fintech/finance experience
• Experience building data pipelines, ETL processes, or handling large-scale data
• Familiarity with modern data processing libraries (NumPy, Polars, DuckDB)

What we're looking for

• Beyond the technical requirements, we value engineers who:
• Are self-motivated and eager to learn and expand their skills
• Possess an analytical mindset with strong attention to detail
• Take pride in writing maintainable, well-tested code
• Are excited about working at the intersection of technology and finance
• Bring fresh perspectives and ideas to the team

Our Benefits

• An opportunity to work in a fast growing fintech revolutionizing investment reporting
• Hybrid style of work/WFH allowed depending on role
• Competitive salary & stock options package
• Private medical insurance with Bupa for you and your family members
• Life insurance option
• Pension Plan with NEST
• Cycle to Work Scheme and gym allowance
• Office food & drinks, regular socials

If this sounds like a match to you, we are looking forward to receiving your application!

Apply here:

Web: Apply here

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