Job Specifications
Job title: Senior Backend Engineer – Node.js/TypeScript
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.
Role And Responsibilities
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.
What You’ll Be Doing
High-Performance Backend Development
Design, build, and maintain scalable backend services using Node.js and TypeScript.
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 RabbitMQ.
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, TypeScript
Kafka, RabbitMQ
MySQL, PostgreSQL, ClickHouse, MongoDB, DynamoDB
AWS / GCP
Docker, Kubernetes
CI/CD, Monitoring & Observability Tools
Essential
What We’re Looking For
5+ years’ experience in backend development with Node.js and TypeScript
Strong understanding of asynchronous programming
Experience building distributed systems
Strong database knowledge (SQL and NoSQL)
Proven experience delivering production-ready solutions
Degree in Computer Science or related field (or equivalent experience)
Desirable
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
Impact
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!
Accessibility Statement
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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.
Our Commitment To Diversity, Equity, And Inclusion
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
About the Company
We aim to build exceptional teams in the tech space, focusing on two core engineering specialisms: Advanced Software Engineering and AI, ML, & Data Engineering.
As a multi-award-winning global staffing specialist, we're passionate about connecting talented individuals with some of the world's top companies. Starting out as the leading niche recruitment experts in Scala eight years ago, we've expanded our expertise to support clients and candidates in building exceptional tech teams across a wider range of specializations.
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