Backend Engineer (Elixir / Go)

Brickyard BV; Amsterdam; Híbrido; EUR 45 000 - 61 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Welcome/start-up bonus

26 vacation days

Birthday day off

On-site gym

Fresh fruit and lunch

On-site in Amsterdam

Resumo da oferta

Brickyard BV is hiring a Backend Engineer to design and implement the infrastructure for ingesting, processing, and storing image data at scale. You will leverage Elixir (Phoenix) for orchestration and Go for high-performance processing components.

The role covers building a hybrid backend, managing large PostgreSQL datasets, and implementing CI/CD, Docker, and Oban-based queues to ensure reliability under burst traffic. Amsterdam on-site with a competitive salary and benefits.

Qualificações

• 3–5 years of Backend engineering experience.
• Experience with Elixir (Phoenix) for application logic.
• Experience with Go (Golang) for concurrent processing tasks.
• Advanced PostgreSQL knowledge for large datasets and performance tuning.
• DevOps tooling: Docker, CI/CD, and version control.

Responsabilidades

• Architecture & Development: build hybrid backend with Elixir (Phoenix) and Go microservices.
• High-Volume Ingestion: design pipelines handling up to 500,000 images/day with burst traffic.
• Database Management: own PostgreSQL architecture including schema design, partitioning, indexing.
• Infrastructure & Ops: CI/CD pipelines, Docker, and queueing with Oban.
• Reliability: implement logging, monitoring and regression testing under load.

Conhecimentos

Backend engineering

Distributed systems

Performance tuning

Data ingestion pipelines

Testing & reliability

Ferramentas

Elixir (Phoenix)

Go (Golang)

PostgreSQL

Docker

CI/CD

Oban

RabbitMQ

Kafka

PostGIS

S3/MinIO

Descrição da oferta de emprego

Brickyard is building an end-to-end tech stack for image recognition in public spaces. As a Backend Engineer you design and implement the infrastructure required to ingest, process, and store high-volume image data utilizing Elixir for application orchestration and Go for high-performance processing components.

What will you do?

• Architecture & Development: You build and maintain a hybrid backend architecture using Elixir (Phoenix) for the core platform and go for performance-critical microservices.
• High-Volume Ingestion: You design data pipelines capable of handling, processing, and indexing (up to) 500,000 images per day with burst traffic support.
• Database Management: You own PostgreSQL architecture. You have responsibilities including schema design, query optimization, table partitioning, and indexing strategies for large-scale datasets.
• Infrastructure & Ops: You set up and maintain a production-ready environment, including CI/CD pipelines, containerization (Docker), and queueing systems (e.g., Oban).
• Reliability: You will implement comprehensive logging, monitoring, and regression testing to ensure system stability under load.
• Experience: Minimum 3–5 years of Backend engineering experience.
• Experience with Elixir (Phoenix Framework) for application logic.
• Experience with Go (Golang) for concurrent processing tasks.
• Database: Advanced knowledge of PostgreSQL, specifically regarding performance tuning, query planning, and managing large datasets.
• DevOps/Tooling: Experience with Docker, CI/CD setup and version control.

• Experience: Minimum 3–5 years of Backend engineering experience.
• Experience with Elixir (Phoenix Framework) for application logic.
• Experience with Go (Golang) for concurrent processing tasks.
• Database: Advanced knowledge of PostgreSQL, specifically regarding performance tuning, query planning, and managing large datasets.
• DevOps/Tooling: Experience with Docker, CI/CD setup and version control.

Tech stack (nice to haves):

• Experience with PostGIS or handling geospatial data.
• Experience with Phoenix LiveView.
• Familiarity with Object Storage systems (S3, MinIO).
• Async Processing: Experience implementing message brokers or background job systems (e.g., Oban, RabbitMQ, Kafka)..

Brickyard B.V., a subsidiary of Waysis (a third-generation family business), is a market leader in license plate recognition enforcement, operating from Amsterdam-Duivendrecht. At Brickyard, we support businesses and public authorities with innovative enforcement solutions.

• A salary of € 4.000,00 – € 5.500,00 gross/full time per month depending on skills;
• A contract for 32 - 40 hours per week;
• A fixed-term contract at a family business, after which we intend to extend the contract if performance is satisfactory;
• A welcome/start-up bonus to greet you;
• In addition to 26 vacation days (full-time), a 'celebrate life' day: time off on your birthday;
• working on-site in Amsterdam, where hybrid working is common;
• A healthy workplace: sit-stand desk, on-site gym, fresh fruit, freshly prepared lunch (with a small personal contribution of 3.90%).