Backend Software Engineer

Salary: £54,000 - 94,000 per year

Requirements:

• Experience in designing and developing features and improvements, as well as supporting and maintaining live backend systems
• In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems, and other backend-related concepts and best practices
• Engineering background in Computer Science, Mathematics, Software Engineering, Physics, or a similar field
• Strong coding skills with demonstrated proficiency in programming languages such as Java, C++, Python, Rust, or similar languages
• Strong written and verbal communication skills and ability to iterate quickly with teammates, incorporating feedback and maintaining a high bar for quality

Responsibilities:

• Architect, develop, and maintain high-performance, scalable backend services that underpin our operational data and AI systems
• Maintain high coding standards through the development of guidelines, active participation in code reviews, and fostering a culture of continuous improvement and knowledge sharing among our team
• Build robust APIs for use by front-end developers and interfacing external systems, and collaborate with front-end developers to integrate user-facing elements with server-side logic
• Design efficient data structures and algorithms to manage large-scale and high-throughput data
• Optimize applications for speed and scalability through performance analysis
• Collaborate with cross-functional teams to actively improve user workflows, ensuring seamless experiences across product boundaries and a cohesive user experience

Technologies:

• AI
• API
• Architect
• Backend
• Cassandra
• Docker
• ElasticSearch
• Embedded
• GitHub
• Gradle
• Support
• Java
• Kafka
• Kubernetes
• Python
• Rust
• Spark
• microservices
• CI/CD
• CTO
• Fine-tuning
• Security
• Web

More:

Palantir builds world-leading software for data-driven decisions and operations, helping partners develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. We hire Backend Software Engineers to work across the product lifecycle, from idea generation and design through prototyping and production delivery, in small collaborative teams. The role is based in London, United Kingdom, in a Dev, full-time, hybrid environment. We value autonomy, strong technical contribution, and opportunities to grow into engineering leadership. Our technology stack includes Java, Rust, Python, Go, Kafka, Cassandra, Elasticsearch, Spark, Docker, Kubernetes, Gradle, and GitHub. We also offer the opportunity to participate in Frontline, a short-term customer-embedded program that gives direct insight into how our products are used. We encourage in-person work with hybrid options where available and support accessibility accommodations throughout the hiring process.

last updated 35 week of 2026