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;
- Hands-on experience with Apache Spark;
- Proven experience deploying solutions on AWS;
- Strong problem-solving and debugging skills focused on scalability and reliability;
- Upper-intermediate English level.
Nice to haves
- 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.
As a Senior Back End Engineer, you will lead the transformation of core systems by re-engineering legacy workflows into highly concurrent, scalable, and thread-safe architectures. Leveraging deep expertise in C#, concurrency models, and modern design principles, you’ll drive performance optimization and system reliability at scale. This role offers strong technical ownership and the opportunity to shape high-impact backend systems in a complex, evolving environment.
About the role
The benefits of joining us
Professional growth
Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps
Competitive compensation
We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities
A selection of exciting projects
Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands
Flextime
Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.
Your AgileEngine journey starts here
2 min
Tell us about yourself
2 sec
Confirm requirements
30 - 60 min
Pass a short test
5 min
Record a short video
→ Introduce yourself on a video, instead of waiting for an interview
Live interview
Ace the technical interview with our team
→ Schedule a call yourself right away after your video is reviewed
Live interview
Final interview with your team
→ Get to know the team you will be working with
Get an offer
As quick as possible
