Job Overview
Location
Bulgaria
Job Type
Full-time
Category
Software Engineer
Date Posted
May 21, 2026
Full Job Description
đź“‹ Description
- • Design, develop, and optimize core components of the Redis Flex hybrid storage engine that integrates RAM and Flash to support massive datasets without compromising performance.
- • Work across Redis Core and the flash storage layer (Speedb) to deliver high-performance, low-latency solutions for enterprise customers.
- • Solve deep system-level challenges including data placement, eviction policies, persistence mechanisms, and consistency across memory and storage tiers.
- • Write efficient, reliable, and maintainable C/C++ code in Linux environments for a high-throughput, production-grade storage engine.
- • Collaborate with global engineering teams across Redis Core, Cloud, Performance, and Customer-facing units to align technical implementation with product goals.
- • Contribute to architectural and design decisions for the Flex platform, bringing a strong engineering perspective to shape future capabilities.
- • Take full ownership of features from initial design through implementation, testing, deployment, and production monitoring.
- • Optimize system performance by addressing trade-offs between latency, throughput, durability, and cost in a hybrid storage environment.
- • Investigate and resolve complex system bugs related to memory management, concurrency, and storage layer interactions.
- • Participate in code reviews, technical discussions, and knowledge sharing to ensure code quality and team alignment.
- • Maintain and improve the reliability and scalability of the storage engine as it scales to support increasing customer workloads.
- • Integrate and adapt components from existing storage technologies such as Speedb into the Redis Flex architecture.
- • Work in a hybrid environment with flexibility to operate from home or the office while maintaining close coordination with global teams.
- • Engage in proactive problem-solving with an ownership-driven mindset to anticipate and resolve system bottlenecks before they impact customers.
- • Document technical designs, decision rationales, and operational procedures to support long-term maintainability and team onboarding.
- • Contribute to the evolution of team processes and engineering standards as part of a new Flex engineering team in Sofia built from the ground up.
🎯 Requirements
- • 5+ years of experience building production-grade systems with strong hands-on development in C/C++ on Linux
- • Strong systems programming background (memory management, concurrency, performance optimization)
- • Experience with storage systems, databases, or data-intensive applications
- • Ability to understand and navigate complex system trade-offs: latency, throughput, durability, and cost
- • Strong problem-solving skills and a proactive, ownership-driven mindset
- • Good communication skills and ability to collaborate across teams
🏖️ Benefits
- • Competitive compensation package formed by salary and equity grants
- • 25 days of vacation time
- • Hybrid working options from both home and the office
- • Home internet & phone monthly allowance
- • One-time home-office setup allowance
- • Health and dental insurance for you
- • Personal life insurance
- • Critical Illness Cover
- • Lunch and snacks in the office
- • Multisport/CoolFit card
Skills & Technologies
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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