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# Senior Software Engineer II

- **Company:** Joincarta
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Software Quality, Django Web Framework, Python (Programming Language), PostgreSQL, Software Engineering, ReactJS, Apache Kafka, Grpc
- **Published:** September 21, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-software-engineer-ii/47789741

## About the Role

and reliability.Simplify Systems: Dig deep into our architecture to identify opportunities to simplify code and infrastructure, prioritizing changes that have a measurable business impact.Leverage Modern Tooling: Use the best AI-assisted engineering tools to accelerate your workflow, improve code quality, and spend more of your time solving the high-level logic and unconventional problems Foster Growth: Act as a mentor and coach, raising the technical bar for your peers through diligent PR reviews and architectural guidance.Collaborate Cross-Functionally: Partner with product and design to ensure we are building the right solution for the user, not just following a specification.About YouThe Tech Stack: You have experience with (or a desire to learn) our core technologies: Python, Django, React, Postgres, and Kafka. We also utilize Java, gRPC, and AWS. Execution: You can break down complex user stories into actionable tasks and execute them with minimal guidance.Strategic Mindset: You
understand the "why" behind your code and can articulate technical trade-offs to stakeholders.Experience: We recommend 8+ years of professional software engineering experience for this level.Disclosures:We are an equal opportunity employer and are committed to providing a positive interview experience for every candidate. If accommodations due to a disability or medical condition are needed, please connect with the talent partner via email. Carta uses E-Verify in the United States for employment authorization. See the E-Verify and Department of Justice websites for more details.For information on our data privacy policies, see Privacy, CA Candidate Privacy, and Brazil Transparency Report.Please note that all official communications from us will come from an @carta.com or @carta-external.com domain. Report any contact from unapproved domains to #####.

## Description

craft, and are motivated by building products and experiences that meaningfully expand access to ownership. As you move through our process, we'll transition from the general pool to a team-matching phase, ensuring that by the final interview, you are aligned with a specific team that matches your strengths and career goals. High impact domains you might join include:Carta Law: Building the foundational legal and compliance infrastructure for private capital. You'll help scale Carta Law as the enterprise system of record for General Counsels, CCOs, and Heads of Legal. As part of a lean, London-based team, you'll shape how legal, operations, and finance teams work together.The Problems You'll SolveAs a Senior Software Engineer II, you will lead technically complex projects and serve as a multiplier for your team. You'll work to:Drive Implementation: Lead the execution of complex technical projects, driving them from concept to production while maintaining high standards for performance


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