Redis Ltd. logo

Principal Engineer – AI Search & Vector Infrastructure

Job Overview

Location

Bulgaria

Job Type

Full-time

Category

Software Engineering

Date Posted

June 4, 2026

Full Job Description

📋 Description

  • Lead the architecture and technical direction of Redis Search and Vector capabilities to power AI workloads at global scale.
  • Design scalable, high-performance systems for vector search, retrieval, indexing, ranking, and AI serving workloads with strict latency requirements.
  • Drive complex cross-team initiatives spanning Redis Core, Cloud, AI, and infrastructure teams to deliver integrated platform capabilities.
  • Partner with engineering and product leadership to define long-term technical strategy and roadmap for AI infrastructure at Redis.
  • Translate emerging industry trends and customer needs into technical investments and production-ready features for millions of developers.
  • Conduct technical design reviews and establish engineering best practices across the organization for distributed systems and AI infrastructure.
  • Solve deep performance and scalability challenges in distributed storage systems, search engines, and low-latency serving architectures.
  • Guide implementation of hardware-aware optimizations including SIMD, GPU, SSD, and CUDA to enhance system throughput and reduce latency.
  • Mentor senior engineers and raise the technical bar across the engineering organization through code reviews, design guidance, and knowledge sharing.
  • Represent Redis externally through open-source engagement, technical talks, community leadership, and industry design discussions.
  • Influence the evolution of Redis as a platform for AI by integrating advanced research into production systems used by 10,000+ global customers.
  • Own end-to-end delivery of mission-critical components of Redis’s AI and search infrastructure with a focus on reliability, scalability, and performance.
  • Collaborate with research teams to evaluate and operationalize cutting-edge techniques in vector indexing and hybrid retrieval.
  • Ensure alignment between infrastructure capabilities and product goals across Redis’s cloud and on-premise offerings.
  • Maintain and evolve Redis’s core data structures and storage engines to support next-generation AI workloads.
  • Champion engineering excellence through documentation, testing, observability, and operational discipline in high-traffic production environments.

🎯 Requirements

  • Extensive experience designing and building large-scale distributed systems, databases, search engines, storage engines, or AI infrastructure platforms
  • Strong industry background with experience at leading infrastructure, database, cloud, search, or AI-focused technology companies
  • Proven track record leading architecture and delivering highly scalable production systems
  • Deep expertise in one or more of the following areas: vector search and information retrieval, distributed systems, storage engines and indexing, high-performance systems and low-latency serving
  • Strong proficiency in C/C++ or Rust, including concurrency, memory management, and performance optimization
  • Ability to influence technical direction across multiple teams and organizations

🏖️ Benefits

  • Opportunity to shape Redis’s AI and vector infrastructure early in the growth cycle
  • Work with a global team on technology used by millions of developers and 10,000+ customers worldwide
  • Culture of curiosity, diversity of thought, and innovation with support for authentic self-expression
  • Commitment to equal employment opportunities and inclusive workplace practices
  • Access to reasonable accommodations for applicants with mental and/or physical disabilities
  • Engagement in open-source communities and external technical leadership opportunities

Skills & Technologies

Rust
Redis
DevOps
Senior
Hybrid
Degree Required

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Redis Ltd.
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About Redis Ltd.

Redis is a leading provider of real-time data solutions, specializing in an in-memory data structure store used as a database, cache, and message broker. Its core offering, Redis Enterprise, provides a high-performance, scalable, and reliable platform for applications requiring instant data access and processing. The company serves a wide range of industries, including finance, e-commerce, gaming, and telecommunications, enabling businesses to build faster, more responsive applications. Redis is recognized for its open-source roots and its commitment to innovation in the database and data management space, empowering developers and enterprises to leverage the power of real-time data.

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