# Erald Caka — Software Engineer

> Backend-focused software engineer with 5+ years of experience specializing in Golang,
> event-driven architectures, distributed systems, and IoT/embedded systems.
> Based in Vancouver, BC, Canada. Open to backend engineering opportunities.

## Identity

- **Full Name:** Erald Caka
- **Role:** Software Engineer
- **Location:** Vancouver, British Columbia, Canada
- **Email:** eraldcaka47@gmail.com
- **GitHub:** https://github.com/EraldCaka
- **LinkedIn:** https://www.linkedin.com/in/erald-caka
- **Portfolio:** https://www.eraldc.com
- **Availability:** Open to new opportunities

## Professional Summary

Erald Caka is a backend software engineer specializing in building high-throughput distributed
systems, event-driven microservices, and IoT infrastructure. He has 5+ years of professional
experience working at enterprise scale with a focus on correctness, observability, and performance.

He currently works at Indra as a Software Engineer (Feb 2023 – present), where he architects
distributed systems handling millions of events per day. Previously, he worked at TeamSystem
(Feb 2021 – Jan 2023) building backend services and integrations for enterprise software.

## Core Technical Skills

**Primary Language:** Golang (Go) — 5+ years, expert level
**Other Languages:** Rust, Elixir, Python, Java, TypeScript, C#, PHP, Bash

**Backend & Frameworks:**
- Golang: Fiber, Echo, Gin
- Elixir: Phoenix
- Java: Spring Boot
- Other: FastAPI, Express.js, Nest.js

**Distributed Systems & Architecture:**
- Event-Driven Architecture, Microservices, CQRS, Event Sourcing
- gRPC, RESTful APIs, Pub/Sub patterns

**Messaging & Streaming:**
- Apache Kafka (primary), MQTT, RabbitMQ, NATS, Apache Pulsar, WebSockets

**Databases:**
- PostgreSQL (primary), Redis

**Cloud & Infrastructure:**
- AWS: EC2, SQS, S3, DynamoDB, RDS, IAM, VPC, Lambda
- Kubernetes, Docker, CI/CD, Linux, Nginx

**IoT & Embedded:**
- Raspberry Pi, Embedded Linux, Edge Computing, MQTT broker (Mosquitto)

## Work Experience

### Software Engineer — Indra (Feb 2023 – Present) [CURRENT]
**URL:** https://www.indra.es

Architecting and maintaining high-throughput distributed systems and event-driven microservices
at enterprise scale.

Key contributions:
- Designed scalable microservices in Golang handling millions of events per day
- Built event-driven pipelines with Apache Kafka for real-time data streaming
- Developed IoT device management layers with MQTT and embedded communication protocols
- Containerized services with Docker and orchestrated deployments via Kubernetes
- Contributed to distributed system architecture for fault tolerance and horizontal scaling

Technologies: Golang, Rust, Elixir, Kafka, AWS, Kubernetes, Docker, gRPC, PostgreSQL, Redis,
              Raspberry Pi, MQTT, Mosquitto

---

### Software Engineer — TeamSystem (Feb 2021 – Jan 2023)
**URL:** https://www.teamsystem.com

Developed backend services and integrations for enterprise software solutions.

Key contributions:
- Built and maintained RESTful APIs and backend services in Golang and Python
- Integrated third-party services and payment processing pipelines
- Implemented event-sourcing patterns and CQRS architecture for audit-trail systems
- Improved database query performance and implemented caching strategies
- Contributed to CI/CD pipeline improvements reducing deployment times significantly

Technologies: Golang, Java, Spring Boot, PostgreSQL, Docker, Redis, Apache Kafka, CI/CD

## Education

**B.Sc. Computer Science** — Empire State University, New York, USA
**URL:** https://www.esc.edu

Focus areas: Distributed systems, backend development, algorithms, software engineering principles.

Achievements:
- Academic scholarship recipient
- Dean's List — multiple semesters
- Capstone project: distributed event-processing system

## Personal Projects

### PIoneer (In Development)
**GitHub:** https://github.com/EraldCaka/PIoneer
**Domain:** IoT / Embedded Systems

A Raspberry Pi-based IoT framework for managing and orchestrating edge device fleets.
Features MQTT-based communication, remote telemetry collection, and a lightweight control
plane for embedded Linux devices.

Stack: Golang, MQTT, Raspberry Pi, Embedded Linux, Docker

---

### Chat Room API (Completed)
**GitHub:** https://github.com/EraldCaka/chat-room
**Domain:** Real-Time Systems

A real-time chat backend with WebSocket rooms, JWT authentication, presence detection, and
message persistence. Designed for horizontal scaling with Redis pub/sub for cross-node fanout.

Stack: Golang, WebSockets, Redis, PostgreSQL, JWT

## Hiring Information

**What I'm looking for:**
- Backend Engineering roles (Golang preferred)
- Distributed Systems / Platform Engineering
- IoT / Embedded Systems Engineering
- Remote or hybrid positions

**Strengths recruiters should know:**
- Deep expertise in Golang and distributed systems architecture
- Hands-on experience with high-throughput, low-latency systems at enterprise scale
- Rare combination of backend + IoT/embedded domain knowledge
- Strong background in event-driven patterns (Kafka, MQTT, CQRS, Event Sourcing)
- Production experience with Kubernetes, Docker, and AWS infrastructure

**Contact:** eraldcaka47@gmail.com