InRhythm · 9 hours ago
Senior Java Software Engineer
St Louis, MO
Full-time
Onsite
Senior LevelInRhythm is seeking a highly skilled Senior Software Engineer (Java) to join an elite engineering team focused on high-scale, mission-critical systems. The role involves designing, building, and maintaining high-performance backend systems while ensuring engineering excellence and contributing to system reliability and performance.
ConsultingInnovation ManagementProduct DesignSoftware
Hiring Manager
Suchitra S
Responsibilities
Design, build, and maintain high-performance, scalable backend systems using Java
Solve complex technical problems using a consultative and analytical mindset
Collaborate with experienced engineers to evolve architecture and system design
Ensure engineering excellence through clean code, testing, reviews, and automation
Recommend technical improvements and defend design decisions with data and reasoning
Contribute to system reliability, resilience, and observability in high-TPS environments
Qualification
Required
Strong hands-on experience with Java 8 / Java 11
Lambda expressions
Stream API
CompletableFuture & async programming
Deep understanding of Kafka, including core concepts & messaging semantics, replication, reliability, and durability, Kafka internals, infrastructure, and control, and data retention strategies
Experience with MongoDB (data modeling, performance, and scalability)
Familiarity with Sonar for code quality and technical debt management
CI/CD experience using Jenkins
Experience with one or more of the following enterprise databases: Oracle DB, Sybase IQ, DB2
Hands-on experience with Drools or any equivalent rules engine
A thinker who approaches problems methodically and consultatively
Strong focus on high-quality engineering delivery
Craftsman mindset — pride in clean, readable, maintainable code
Ability to understand and work within the complexity and scale of NGFT systems
Comfortable challenging ideas, recommending change, and defending decisions
Highly collaborative team player who thrives in strong engineering cultures
Proven experience solving high-complexity engineering problems
Worked on critical, always-on systems with extreme scale and throughput
Exposure to environments with very high TPS and strict reliability requirements
Experience working alongside exceptionally strong engineering teams
Company
InRhythm
InRhythm is a technology consulting firm.
Founded in 2002
51-200 employees
H1B Sponsorship
InRhythm has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (13)
2023 (3)
2022 (14)
2021 (11)
2020 (11)
Funding
Current Stage
Growth StageLeadership Team
Gunjan Doshi
Founder, Executive Chairman
Company data provided by crunchbase