Senior Backend Engineer

NAVIT; Remote; EUR 70.000 - 90.000; Vollzeit

Zusammenfassung

A growing SaaS startup in mobility tech is seeking a Senior Backend Engineer to shape the backend systems for their corporate mobility platform. The role involves designing, developing, and maintaining robust backend infrastructure using technologies like Node.js and PostgreSQL. Candidates should have over 5 years of experience in backend development, particularly in high-load environments, and demonstrate strong problem-solving skills. This position offers mobility perks and a flexible work-from-anywhere model, with an office located in Berlin's Mitte district.

Leistungen

Mobility perks for commuting

Flexible work hours

Nice office with free beverages

Regular team activities

Qualifikationen

• 5+ years of experience in backend development, with focus on high-load systems.
• Strong proficiency in Node.js and Typescript.
• Deep understanding of relational databases and performance optimization.

Aufgaben

• Design and maintain scalable backend systems for corporate mobility platform.
• Optimize database queries and manage message queues.
• Mentor other engineers and contribute to a culture of excellence.

Kenntnisse

Backend development

Node.js

Typescript

PostgreSQL

Message queues

API development

Debugging

Performance optimization

Ausbildung

Degree in computer science

Tools

NestJS

Redis

TypeORM

BullMQ

Jobbeschreibung

We’re on a mission to reshape how companies provide Corporate mobility to their employees. As a fast-growing SaaS startup in the mobility tech space, we help modern employers offer smart, flexible, and sustainable commuting solutions to their teams — from public transit to bike leasing and shared mobility services.Backed by forward-thinking investors and trusted by top enterprise clients, we’re about to scale rapidly across Europe. We are looking for a Senior Backend Engineer to continue developing our platform.

Tasks

As a Senior Backend Engineer you will play a key part in shaping both the technical vision and the execution of the backend systems that power our corporate mobility platform. In addition to designing, developing, and maintaining scalable and robust backend infrastructure, you will define system architecture, and drive key technical decisions that influence the future of our platform.

You’ll tackle complex challenges around performance, reliability, and security while aligning the team around best practices. Your work will directly impact how thousands of employees move every day, and how our platform scales to meet the needs of a growing enterprise customer base.

• Design, develop, and deploy high-performance, scalable, and secure code in NestJS and Typescript in collaboration with other engineers, designers and product managers.
• Optimize database queries and schema designs for improved performance and scalability (PostgreSQL, TypeORM).
• Implement and manage message queues and event-driven architectures to ensure reliable data processing and inter-service communication (BullMQ, Redis)
• Ensure the stability and reliability of our systems through robust testing, monitoring, and debugging.
• Exchange and mentor other engineers and contribute to a culture of technical excellence and continuous learning.

Requirements

• 5+ years of experience in backend development, with at least 2 years in high-load systems (a degree in computer science a plus)
• Strong proficiency in Node.js and Typescript
• Deep understanding of relational databases (PostgreSQL) and experience optimizing queries and indexes
• Experience implementing message queues (BullMQ, RabbitMQ, or similar) and event-driven architectures
• Strong knowledge of ORMs and their impact on performance (e.g., TypeORM, Prisma)
• Familiarity with distributed systems and microservices architectures a plus
• Proficiency in writing efficient and scalable APIs
• Strong debugging and performance optimization skills
• Experience with caching strategies (Redis, Memcached) is a plus
• Excellent problem-solving skills and attention to detail
• Excellent written and verbal communication in English

Benefits

• Mobility perks for your own commuting
• Family first, be there in your family key moments. Pick up your kid from school, go to the doctor visit or just take care of them
• Work from anywhere : the office, your house, the beach or wherever you prefer
• One of the nicest offices across Berlin directly in Mitte with free coffee and beverages
• Regular team activities to enjoy togetherA motivated and fun crew to grow and learn together