Cloud-Native Software Engineer - Python & Data Platforms

Janus Henderson Group; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid working

Health & wellbeing benefits

Volunteer time off

Professional development & tuition

Job summary

Janus Henderson Investors in London offers a hybrid workplace with a focus on innovation across the Alternatives technology platform. You will design, build, and operate cloud-native data services, APIs, and analytics capabilities in collaboration with portfolio managers and the broader engineering team.

The role requires expert Python, cloud experience, and a strong background in data engineering. The firm supports development, analytics, and a flexible hybrid environment with extensive

Qualifications

• Strong software engineering background delivering production-grade apps.
• Expert-level Python development with Pandas, NumPy, PySpark, FastAPI.
• Experience building cloud-native solutions on Azure (preferred) or AWS.
• Experience with data platforms, data pipelines, APIs, event-driven architectures.
• Knowledge of CI/CD, DevSecOps, and Infrastructure as Code.
• Strong SQL and database skills across multiple data platforms.
• Excellent collaboration across engineering, operations, and business teams.

Responsibilities

• Develop cloud-native apps, data services, APIs, and platform capabilities.
• Collaborate with Team Lead and engineers to meet priorities.
• Ensure solutions align with architecture standards and platform vision.
• Hands-on development, testing, deployment, and support.
• Engage with investment teams across the full delivery lifecycle.
• Improve automation, scalability, reliability, and user experience.
• Support Alternative Investments applications and processes.
• Undertake additional responsibilities as required.

Skills

Python development

Cloud platforms

Azure / AWS

CI/CD / DevSecOps

SQL databases

Distributed systems

REST/GraphQL APIs

Data pipelines

Automation & IaC

Stakeholder communication

Education

Bachelor's degree in Computer Science or related

Tools

Databricks

Snowflake

Airflow

Terraform

Docker

Kubernetes

Kafka

Job description

Janus Henderson Investors in London offers a hybrid workplace with a focus on innovation across the Alternatives technology platform. You will design, build, and operate cloud-native data services, APIs, and analytics capabilities in collaboration with portfolio managers and the broader engineering team.

The role requires expert Python, cloud experience, and a strong background in data engineering. The firm supports development, analytics, and a flexible hybrid environment with extensive