Staff / Principal Software Engineer
Inworld AI develops AI products for growing applications, helping developers go from prototype to production faster. Their offerings include advanced text-to-speech (TTS) technology and an upcoming Runtime product, aimed at enhancing consumer applications with expressive, real-time voice AI.
Maintainer signals as of 8/23/2026
Funding history
About Inworld AI
Inworld develops AI products for consumer applications. They offer a text-to-speech model that aims for high quality with better pricing, lower latency, more control, local serving options, and open training code. They also have a product called Inworld Runtime, which is currently in private preview. Their services are used by partners like XBOX, Ubisoft, NVIDIA, and Meta. They focus on helping developers go from prototype to production faster and increase experimentation velocity to deploy new AI improvements daily.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Join Inworld's platform team building systems behind products including Inworld Router, Realtime API, and custom TTS/STT services. The role focuses on multi-provider routing, failover, cost and latency optimization, real-time observability, control and optimization services, platformization, development tooling, and system-wide billing. This is an IC-focused role requiring technical autonomy and direct contribution.
Requirements
- Excellent programming skills in a statically typed backend language, preferably Go, Python, C++, or Rust
- Experience developing and deploying cloud-based services at hundreds of queries per second or more
- Experience with relational databases such as PostgreSQL or MySQL
- Hands-on experience with Redis or Memcached, pub/sub or queues, Flink or Beam data pipelines, and cloud storage
- Excellent verbal and written communication skills
- Bonus: experience building API gateways, routing or proxy layers, or multi-provider orchestration systems
- Bonus: experience with ClickHouse, Timescale, or InfluxDB
- Bonus: experience with OpenTelemetry
- Bonus: experience with C++
Responsibilities
- Own core systems for multi-provider failover, cost/latency-based routing, live A/B experimentation, and real-time observability at massive scale
- Design systems where every millisecond and every routing decision matters
- Collaborate with PMs, engineers, and leads to determine product priorities
- Operate with technical autonomy, including introducing technical dependencies or standards when appropriate
- Collaborate, execute, and deliver features while balancing speed and quality
- Advocate for and implement system improvements
- Work on control and optimization services
- Contribute to infrastructural projects including platformization, development tooling, and system-wide billing
Benefits
- Equity
- Benefits
