Rust Backend Developer

5 days ago


Belgrade, Central Serbia Integra City Full time

Project:
 A distributed video-surveillance platform for edge devices (Nexus Edge). Central controller + edge workers, camera/storage management, RTSP→HLS, S3, event-driven architecture (NATS JetStream). Deployed in multiple countries (Smart City).

What you'll do

● Build backend services in 
Rust
 (controller and edge workers).

● Design and implement 
REST APIs
 (poem + poem-openapi / OpenAPI specs).

● Work with 
PostgreSQL
 (sqlx, migrations, query tuning), integrate 
PostGIS / TimescaleDB
.

● Develop and harden video pipelines: 
RTSP → HLS
, segmentation, S3/MinIO storage.

● Implement async, event-driven flows with 
NATS JetStream
 (streams, consumers, retry/DLQ).

● Strengthen security: 
JWT (ES256)

Argon2
, CORS, RBAC.

● Improve observability: metrics/tracing (
tracing
, Prometheus/Grafana), logging, profiling.

● Contribute to architecture (idempotency, consistency, fault tolerance, backpressure).

● Collaborate closely with Frontend and DevOps (docker-compose, CI/CD).

Tech stack (current)

● 
Language/Frameworks:
 Rust 1.7x+, 
poem
, poem-openapi (axum/actix experience is welcome).

● 
Database:
 PostgreSQL (
sqlx
), PostGIS / TimescaleDB.

● 
Messaging:
 
async-nats

NATS JetStream
 (streams, consumers, KV).

● 
Video:
 
GStreamer 1.20+
, custom plugins (RTSP, S3-HLS), HLS m3u8.

● 
Storage:
 
S3/MinIO
.

● 
Infra:
 Docker / docker-compose, Linux.

● 
Security:
 JWT (ES256), Argon2.

● 
Docs:
 Stoplight Elements for API docs.

Requirements (must-have)

● 
2+ years
 of commercial 
Rust
 experience (
Middle+
 level).

● Solid understanding of 
async/await
, concurrency, and I/O.

● Production experience with at least one web stack: 
poem / axum / actix-web
.

● Confident with 
sqlx
 (queries, migrations, indexes, performance).

● Hands-on 
Docker
 and basic Linux skills.

● Ability to read/write 
OpenAPI
 contracts.

● Experience debugging distributed systems (timeouts, retries, idempotency).



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