Python Software Engineer

Fundment is a fast-growing wealth infrastructure company transforming the £3 trillion UK wealth management industry. Our modern investment platform is becoming the platform of choice for financial advisers and their clients. We’re building high-performance tools with modern technology to create a better investment experience. About the Role We’re looking for an experienced Python Software Engineer to join our product engineering team. You’ll help build and evolve the backend systems that power our platform – working with modern Python tools and frameworks to deliver secure, scalable, and maintainable services. This includes building APIs, designing backend systems, and developing internal tools that support our operations and client-facing platform. You’ll work closely with other engineers and cross-functional teams, take ownership of complex problems, and ship production-ready code that has real business impact. You’ll also contribute to design and architecture discussions and help maintain high standards for code quality and system reliability. This role is best suited to someone with at least 4 years’ experience in Python based environments, who enjoys working in a fast-paced setting, values ownership and responsibility, and thrives in a collaborative, supportive team where real impact is encouraged. What You’ll Be Doing Design, build, and maintain APIs, backend services, and internal systems that support both client-facing features and operational teamsDevelop and evolve data-driven workflows and integrations with third- party systems, including asynchronous processing and event-driven architectureShape technical direction, contribute to architectural decisions, and plan for scalability, performance, and reliabilityWrite clean, pragmatic code with a strong focus on maintainability, observability, and securityInvestigate complex issues across distributed systems, identify root causes, and drive long-term solutionsCollaborate closely with Product, Operations, and fellow engineers to translate business needs into robust, well-engineered solutionsContribute to code reviews, technical discussions, and shared team practicesMentor peers and help grow a high-trust, high-impact engineering culture Tech Stack Python 3.x with FastAPI, Pydantic, SQLAlchemy, Pandas, and NumPyRelational databases: MySQL and PostgreSQLGCP experience is a plus, but not requiredModern Middleware is a plus – e.g. Pub/Sub, MemcacheDocker, GitLab CI/CD, Git What We’re Looking For 5+ years of professional experience writing production-grade PythonStrong understanding of modern Python libraries, REST APIs, and async patternsFamiliarity with SQL and working with relational databases at scalePassion for pragmatic clean code, robust architecture, and scalable systemsStrong communicator, comfortable with both collaboration and taking ownershipExperience working in fast-paced product teams, ideally within SaaS or fintech(Bonus) Experience working in GCP or a similar cloud-native environment Our Values Collaborative – We solve problems together, with empathy and respectInnovative – We challenge assumptions and rethink what’s possibleSupportive – We help each other grow and succeedFlexible – We adapt and evolve quickly as we scaleTrustworthy – We deliver on our promises Company Benefits Be part of a modern, inclusive, high-trust engineering cultureTake ownership and ship code that directly improves client outcomesWork with a smart, friendly team that values balance, growth, and supportPension 6% employer contribution, minimum 2% employee contribution.BUPA Private Health Insurance – fully paid for by the company, for you and your immediate family.Medicash Cashplan – fully paid for by the company, for you and your immediate family.Travel insurance – fully paid for by the company, for you and your immediate family.Life Assurance – 4 x base salary.Employee Assistance Programme28 days annual leave plus bank holidays.Paid compassionate leave – up to 5 days per year.Enhanced paternity/maternity/adoption leave – 16 weeks at full pay after 12 months of service.Jury service – 10 days at full pay.Hybrid working arrangements – 3 days per week in the Fitzrovia office.Coaching&Counselling sessionsTraining BudgetAnnual pay reviewAnnual training budget