Backend Engineer (Senior) ID55642
AgileEngine Ver todas as vagas
- Rio de Janeiro - RJ
- Permanente
- Período integral
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!ABOUT THE ROLE
As a Senior Backend Engineer, you will design and optimize high-performance, multi-threaded systems, transforming legacy workflows into scalable, thread-safe architectures. Leveraging deep expertise in C#, SQL, and AWS, you’ll drive concurrency improvements, enhance system throughput, and support large-scale data processing with technologies like Apache Spark. This role offers strong technical ownership and the opportunity to shape reliable, high-impact backend systems in complex environments.WHAT YOU WILL DO
- Lead the design and development of highly concurrent, multi-threaded applications in C#;
- Re-architect legacy synchronous workflows into scalable, thread-safe solutions;
- Apply advanced knowledge of threading models, synchronization primitives, and performance tuning to optimize system throughput and minimize contention;
- Design, develop, and optimize complex SQL queries, stored procedures, and large-scale data operations;
- Utilize Apache Spark for distributed data processing at scale;
- Deploy and manage solutions on AWS, ensuring reliability, scalability, and cost efficiency;
- Diagnose and resolve concurrency issues, perform application profiling, and drive continuous improvements in system performance;
- Collaborate with cross-functional teams to define technical requirements, align architecture with business goals, and deliver high-quality solutions.MUST HAVES
- 4+ years of experience as a software engineer;
- Expert-level proficiency in C# with experience in multi-threaded and parallel processing;
- Understanding of C++;
- Strong understanding of threading models, synchronization primitives, and concurrency debugging;
- Proven experience in performance tuning and application profiling for large-scale systems;
- Advanced proficiency in SQL;
- Proven experience deploying solutions on AWS;
- Strong problem-solving and debugging skills focused on scalability and reliability;
- Upper-intermediate English level.NICE TO HAVES
- Hands-on experience with Apache Spark;
- Experience in re-engineering legacy systems into modern architectures;
- Familiarity with microservices design principles and cloud-native development patterns;
- Strong communication and collaboration skills with cross-functional teams.PERKS AND BENEFITS
- Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.
- Competitive compensation: USD-based pay with education, fitness, and team activity budgets.
- Exciting projects: Modern solutions with Fortune 500 and top product companies.
- Flextime: Flexible schedule with remote and office options.