Senior Backend Engineer - Integrations

Overview

Job title:

Senior Backend Engineer – Node.js/Type Script

Job type:
Permanent

Salary:
Competitive (EUR) + Quarterly Bonus

Role

Location:

Remote across Europe

The Company: A high-growth, global technology provider building mission-critical platforms that process billions of financial transactions every day.

We’re looking for a Senior Backend Engineer to join a high-performing Integrations team within a modern, microservices-driven platform. This is a role where milliseconds matter, and engineering excellence directly impacts performance, reliability, and business outcomes.

You’ll work on large-scale, distributed systems that power real-time integrations and financial transactions across global markets, helping to drive availability, scalability, and efficiency at enterprise scale.

• High-Performance Backend Development
• Design, build, and maintain scalable backend services using Node.js and Type Script.
• Develop low-latency, high-availability systems for transaction processing.
• Optimise services for performance, reliability, and resource efficiency.

• Distributed Systems & Integrations
• Build and maintain integrations with internal and external platforms.
• Work with messaging systems such as Kafka and Rabbit
  
  MQ.
• Develop resilient, event-driven architectures.

• Quality & Reliability
• Write comprehensive unit and end-to-end tests.
• Participate in code and architectural reviews.
• Support live systems through on-call rotations.

• Cloud & Infrastructure
• Deploy and operate services in cloud environments (AWS/GCP).
• Work with containerisation and orchestration tools such as Kubernetes.
• Monitor system performance and proactively resolve issues.

• Tech Stack & Tools
• Node.js, Type Script
• Kafka, RabbitMQ
• MySQL, Postgre
  
  SQL, Click House, Mongo
  
  DB, DynamoDB
• AWS / GCP
• Docker, Kubernetes
• CI/CD, Monitoring & Observability Tools

• 5+ years’ experience in backend development with Node.js and Type Script
• Strong understanding of asynchronous programming
• Experience building distributed systems
• Strong database knowledge (SQL and No
  
  SQL)
• Proven experience delivering production-ready solutions
• Degree in Computer Science or related field (or equivalent experience)

• Experience with enterprise and microservices architectures
• Cloud-native development experience
• Performance monitoring and optimisation skills
• Knowledge of application security best practices
• Experience in regulated or high-transaction environments

As a Senior Backend Engineer, your work will directly power high-volume, real-time transaction systems used by millions worldwide. You’ll help shape a platform where reliability, speed, and scalability are critical — and where strong engineering makes a measurable difference.

Apply to be considered!

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We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process.

Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time. Check out our DE&I page here.