Senior Software Engineer - Data Platform (m/w/d)

The role

You will design and build core low-level services and distributed runtimes for a global data platform. The role involves shaping architecture for low-level infrastructure, orchestration frameworks, and storage engines.

What you will do

• Design and build core low-level services and distributed runtimes
• Lead the design of compute orchestration frameworks on large Kubernetes clusters
• Design and optimize high-throughput streaming and storage architectures
• Find and remove performance, network and storage bottlenecks
• Work with Analytics Engineering leads to define internal APIs and developer toolchains
• Set standards for resilience testing, automated failover, observability and architectural documentation
• Lead technical design and resolve systemic bottlenecks
• Mentor engineers across squads

Required qualifications

• Substantial experience designing, scaling and operating mission-critical distributed systems and backend architectures in high-throughput production environments
• Strong practical knowledge of container orchestration and systems management at scale, ideally Kubernetes internals and custom controllers or operators
• Advanced proficiency in a systems-oriented language such as Go, Java, Scala, Rust or C++
• Experience with database system architecture (storage engines, indexing, replication) and/or event-driven architectures using Apache Kafka
• A track record of technical leadership: writing design proposals, aligning teams on complex technical decisions, and mentoring engineers
• English proficiency

Nice to have

• Experience building internal developer platforms, custom compute engines or low-level database products
• Experience with data platforms or compute runtimes that support production AI/ML training and inference
• Familiarity with multi-region AWS networking, security, IAM and compute
• Involvement in open-source distributed systems projects (e.g. Kubernetes, Kafka, data orchestration)

Benefits

• Learning and wellness allowance
• Vacations of 28 working days
• Opportunity of earning equity at Nu
• NuLanguage - Our language learning program
• Nucleo - Our learning platform of courses
• NuCare - Our mental health and wellness assistance program
• Extended maternity and paternity leaves
• Life Insurance and AD&D
• Work-from-home Allowance
• Relocation Assistance Package, if applicable

About the company

Nu serves more than 140 million customers with a mission to fight complexity and empower people. The company uses proprietary technology and data at scale to power its digital platform.