Concurrency Jobs

Senior Core Java Developer needed to design and implement high-performance, system-level backend services with strong emphasis on multithreading, data structures and JVM optimization.

Lead the architecture and long-term evolution of Decagon’s agent orchestration engine to enable reliable, high-performance AI agent behavior at scale.

Senior Back-End Engineer needed to design and operate resilient, high-throughput microservices for bet365's US Sports platform while coaching junior engineers and working across cloud-native infrastructure.

Lead the engineering of scalable multiplayer and social backend systems for an innovative VR games studio working fully remotely.

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Learning & Development

Equity

Paid Holidays

Paid Time-Off

WFH Reimbursements

Child Care stipend

Maternity Leave

Paternity Leave

Flock Safety seeks a Senior Backend Engineer skilled in Go and PostgreSQL to architect and deliver high-performance, reliable microservices for our nationwide safety platform.

RapidAI is hiring a Staff iOS Engineer to lead development of clinical mobile applications using modern Swift tooling and strong mobile engineering practices to drive better patient care.

Customer-Centric

Mission Driven

Inclusive & Diverse

Rise from Within

Diversity of Opinions

Work/Life Harmony

Growth & Learning

Transparent & Candid

Medical Insurance

Paid Time-Off

Maternity Leave

Mental Health Resources

Equity

Child Care stipend

Paternity Leave

WFH Reimbursements

Flex-Friendly

Dental Insurance

Vision Insurance

Life insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

401K Matching

Military leave

NVIDIA is hiring a System Software Engineer to design and deliver scalable VLSI productivity platforms and modernize legacy systems using Go, Python, and distributed-systems expertise.

Customer-Centric

Mission Driven

Inclusive & Diverse

Growth & Learning

Lead the design and development of high-performance, production-grade iOS systems at TextNow—shaping architecture, tooling, and observability to serve millions of users.

Lead the backend architecture for VALA's social video + Web3 platform, owning scalable transaction and media systems that power tipping, trading, and real-time engagement.

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Learning & Development

Equity

Paid Holidays

Paid Time-Off

WFH Reimbursements

Child Care stipend

Maternity Leave

Paternity Leave

Senior Android Engineer needed to design and deliver high-performance embedded Android applications for Flock’s aviation and drone platform, partnering closely with hardware, flight software, and product teams.

Experienced platform engineer wanted to scale Whatnot’s Python backend and storage platforms, improve runtime performance and reliability, and build core platform services that enable rapid product growth.