Software Engineer, Voice AI / Backend at Clera
At a glance
- Company
- Clera
- Location
- Berlin, Germany
- Work arrangement
- On-site
- Employment type
- Full-time
- Experience
- 2–5 years
- Working hours
- 40 hours
- Visa sponsorship
- Offered, according to the listing
- Posted
- Added to The Stack
✨ The Stack take on this Clera job
- 🏢 Clera has 107 jobs here, 107 with visa sponsorship see all
- 📊 35 Software Engineer jobs in Germany in the last 60 days see them
- 🛂 Visa: EU Blue Card. Minimum salary: €50,700 a year guide
- 💡 No salary shown. Ask Clera if it is above the minimum.
Updated 2026-11-03, from our data and official sources.
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About the role
Responsibilities:
- Design, implement, and operate production voice AI systems: retrieval-augmented generation, dynamic model routing, transcription evaluation, and real-time audio pipelines.
- Build a distributed call scheduler to manage concurrency, retries, time zones, provider limits and race conditions.
- Extend agents across voice, messaging, and email while maintaining shared memory/state across synchronous and asynchronous flows.
- Develop memory and reasoning systems to preserve conversational context through workflows.
- Create AI-assisted tools for configuring agents, diagnosing issues, and integrating with CRMs, calendars, and email.
- Improve observability and resilience: make failures traceable and ensure graceful recovery of calls, workers, and providers.
Requirements:
- Production experience building and owning distributed systems and shipping end-to-end product software.
- Strong Python and FastAPI or TypeScript experience in production systems.
- Experience with real-time systems, audio processing or voice infrastructure and with LLM/AI model integration.
- Working knowledge of PostgreSQL, Redis and cloud platforms (AWS, GCP, or Azure).
- Experience designing/debugging concurrency, load balancing, and fault-tolerant systems.
- Familiarity with LiveKit, Temporal, message queues, workflow orchestration and observability tools is a plus; independent, action-oriented, and quality-focused.
Responsibilities
You will design and operate distributed voice AI systems, including call scheduling, memory management, and integration with business tools. Additionally, you will ensure system resilience and observability while maintaining state across various communication channels.
Requirements
Candidates must have production experience building distributed systems and proficiency in Python, FastAPI, or TypeScript. Strong knowledge of real-time systems, AI model integration, and cloud infrastructure is required.
Key skills
- Python — in 1173 other listings on The Stack
- FastAPI — in 91 other listings on The Stack
- TypeScript — in 462 other listings on The Stack
- Distributed systems — in 332 other listings on The Stack
- PostgreSQL — in 290 other listings on The Stack
- Redis — in 119 other listings on The Stack
- AWS — in 788 other listings on The Stack
- GCP — in 168 other listings on The Stack
- Azure
- LLM
- Voice AI
- Real-time systems
- LiveKit
- Temporal
- Observability
- Concurrency
On The Stack (as of 2026-11-03)
Frequently asked questions about Clera
Is this Software Engineer, Voice AI / Backend role still open?
It was posted on 2026-11-02 and is listed as active on The Stack. Confirm on Clera's application page before applying.
Does Clera offer visa sponsorship?
This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Clera's site.
Where is this role located?
The listing gives the location as Berlin, Germany. It is marked on-site.
What skills does this role ask for?
The listing names: Python, FastAPI, TypeScript, Distributed systems, PostgreSQL, Redis, AWS, GCP, Azure, LLM, Voice AI, Real-time systems, LiveKit, Temporal, Observability, Concurrency.