# Senior Software Engineer II

**Company:** [Carta](https://hotfix.jobs/companies/carta)
**Location:** London, United Kingdom
**Role:** Fullstack Engineering
**Experience:** 8+ years
**Skills:** Python, Django, React, Postgres, Kafka, Java, gRPC, AWS, System Architecture, Ai-Assisted Engineering
**Posted:** 2026-08-03

> Leads technically complex software projects from concept through production, simplifying systems and mentoring engineers. The role requires 8+ years of software engineering experience and familiarity with Python, Django, React, PostgreSQL, Kafka, Java, gRPC, and AWS.

## Job Description

## Responsibilities
- Lead the execution of complex technical projects from concept through production while maintaining high standards for performance and reliability.
- Identify opportunities to simplify code and infrastructure, prioritizing changes with measurable business impact.
- Use AI-assisted engineering tools to accelerate development and improve code quality.
- Mentor and coach peers through thorough pull request reviews and architectural guidance.
- Collaborate with product and design to build effective user solutions.
- Break down complex user stories into actionable tasks and execute them with minimal guidance.
- Articulate technical trade-offs to stakeholders.

## Requirements
- 8+ years of professional software engineering experience recommended for this level.
- Experience with, or willingness to learn, Python, Django, React, PostgreSQL, and Kafka.
- Experience with Java, gRPC, and AWS.
- Ability to lead technically complex projects and work through ambiguous problems.
- Strong understanding of system architecture, performance, reliability, and technical trade-offs.

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**Canonical:** https://hotfix.jobs/jobs/af1440d5-5995-457a-aa0c-72c1885503c5