Senior Golang Engineer (Europe)

N-iX; Madrid; A distancia; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A technology solutions company in Madrid is seeking a Senior Developer to design and implement backend services for a cutting-edge video surveillance system. The role requires extensive experience in Golang, video processing technologies, and strong knowledge of security practices. A competitive salary and flexible working conditions are offered.

Servicios

Flexible working format

Competitive salary

Career growth opportunities

Professional development tools

Education reimbursement

Corporate events

Formación

• 5 years of professional experience with Golang.
• Proven experience with video processing technologies.
• Strong knowledge of network protocols.
• Hands-on experience with SQLite.
• Solid understanding of security best practices.

Responsabilidades

• Design and implement backend services in Golang.
• Integrate external systems and metadata sources.
• Develop and optimize APIs for communication with systems.
• Work with video streaming and processing pipelines.
• Ensure system performance, reliability, and security.

Conocimientos

Golang

Video processing technologies (FFmpeg, GStreamer)

Network protocols (RTSP, ONVIF, HTTPS)

SQLite or similar databases

Building REST APIs

Herramientas

Azure DevOps

Descripción del empleo

About the Project

We are developing an innovative video surveillance solution for the railway industry aimed at making train journeys safer and more efficient. The system will support operators fleet managers and security teams in monitoring operations ensuring compliance with safety standards and responding quickly to incidents.

This is a strategic high-impact initiative with strong visibility offering an opportunity to work with modern technologies in a complex domain where performance security and reliability are crucial.

Responsibilities

Design and implement backend services in Golang focusing on video recording playback and data management.

Integrate external systems and metadata sources (e.g. GPS IBIS-IP ITxPT) into the solution.

Develop and optimize APIs for communication with fleet management and monitoring systems.

Work with video streaming and processing pipelines (FFmpeg / GStreamer) to ensure stable recording and playback.

Ensure system performance reliability and security across all components.

Contribute to database design and optimization using SQLite.

Support architectural improvements and contribute to scalability and maintainability.

Take part in code reviews testing and agile development processes.

Work closely with the team to deliver features from concept to deployment.

Requirements

5 years of professional experience with Golang.

Proven experience with video processing technologies (FFmpeg GStreamer or equivalent).

Strong knowledge of network protocols : RTSP ONVIF HTTPS (WebRTC experience is a plus).

Hands-on experience with SQLite or similar lightweight relational databases.

Practical experience building REST APIs and integrating with external systems.

Solid understanding of security best practices (TLS / HTTPS AES-256 firewall rules authentication).

Strong debugging skills with a focus on video transmission recording stability and network protocols.

Familiarity with CI / CD pipelines and Git-based workflows (Azure DevOps preferred).

Ability to work with modular architectures and maintain high code quality in long-term projects.

Nice to Have

Background in embedded systems or edge computing.

Experience with adaptive streaming (HLS / DASH) or WebRTC.

Familiarity with Prometheus Grafana or other observability platforms.

Previous work in transportation safety-critical or surveillance systems.

We offer

• Flexible working format - remote office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program tech talks and trainings centers of excellence and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits
• not applicable for freelancers

Required Experience :

Senior IC

Key Skills

APIs,C / C++,Computer Graphics,Go,React,Redux,Node.js,AWS,Library Services,Assembly,GraphQL,High Voltage

Employment Type : Full Time

Experience : years

Vacancy : 1