> Markdown version of [/jobs/ext/2786261-senior-software-engineer-ai-saas-applications](https://www.wearedevelopers.com/jobs/ext/2786261-senior-software-engineer-ai-saas-applications). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (AI & SaaS Applications) - **Company:** BMLL - **Location:** Greater London, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Software as a Service, Continuous Delivery, Data Visualization, Python (Programming Language), TypeScript, Snowflake, Apache Spark, Pandas, AWS Fargate, Functional Programming, Api Gateway, Restful APIs, Terraform, Databricks, Microservices - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840620813-senior-software-engineer-ai--saas-applications ## About the Role * Leadership: Proven experience in designing solutions in a fast-paced agile environment * SaaS: Expertise in developing single-tenant and multi-tenant B2B SaaS applications with REST APIs and distributed microservices. * FinTech: Experience in delivering SaaS applications into front-office capital markets. * Design: Proficient in architecture design using AWS services such as Cognito, Lambda, Fargate, API Gateway, Terraform * Data Skills: Experience in data science and financial data visualisation applications in Typescript * Problem Solving: Strong analytical and troubleshooting skills * Communication: Excellent communication skills to interact effectively with development teams and product managers, * Excellent communication skills, with the ability to communicate fluently with both technical and non-technical audiences * Experience with data science tools, e.g. one or more of Spark, pandas, DuckDB, DataBricks, Snowflake * Knowledge of agile development and continuous delivery methodologies ## Description This is a unique opportunity to build industry-leading technology, drive innovation and influence the direction of our company. The BMLL Lab & Vantage products are the market leading applications for data science and data visualisation on the largest financial datasets. This role involves working in a team of Python & Typescript engineers, alongside the SaaS applications Product Owner. As a senior engineer you will take the lead on design and implementation of new features., * Partner closely with Product Owner in translating complex requirements into clear, actionable engineering tasks * Contribute to the application design and development, with effective strategies for testability and product quality * Ensure the architecture of the system aligns with best practice and meets the goals for scalability, reliability & security * Provide mentorship to junior engineers ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Hacking AI at the Edge of the Indian Ocean](https://www.wearedevelopers.com/videos/100177-hacking-ai-at-the-edge-of-the-indian-ocean) - [Implementing Feature Environments with AWS and Terraform](https://www.wearedevelopers.com/videos/531-implementing-feature-environments-with-aws-and-terraform) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)