10,386 Senior Backend jobs

Cloud Event Driven Architecture Infrastructure as Code Java Kotlin +5 skills

Senior backend engineer building microservices and event-driven systems in Kotlin/Java (Spring Boot/Cloud) or Node/Typescript, deploying cloud-native apps with Terraform.

mobiel.nl - Eerst Mobiel

Senior Backend Engineer

Elixir GraphQL Rails Ruby Scrum

Design and maintain the backbone of an ecommerce platform serving thousands of customers, using Ruby on Rails, Elixir, and GraphQL to build scalable backend systems and domain models.

Senior Backend Engineer

CI/CD Distributed Systems Docker Elasticsearch Flux +17 skills

Senior backend engineer building and scaling core services for an ecommerce platform, using PHP, TypeScript, and distributed systems like RabbitMQ and Kubernetes.

airapps

Open 36d On-siteEuropeSenior

Senior Backend Engineer — Lisbon (Onsite; Relocation)

Build and maintain backend services in Node.js/TypeScript for a product company in Amsterdam, collaborating with product and frontend teams.

Cloud Node.js TypeScript

datasnipper.com

Senior Backend Engineer – IAM Platform & Scale

Senior Backend Engineer builds and scales authentication and access-management systems for a fast-growing SaaS company.

Senior Backend Engineer: Pricing & Revenue

Senior backend engineer building high-performance pricing and revenue systems in Python or C# and mentoring peers.

Senior Backend Engineer, Observability Platform

Senior Backend Engineer builds and scales cloud services for telemetry ingestion, storage, and AI-driven troubleshooting to provide system performance insights.

AI Cloud Observability

Kramp

Senior Backend Engineer, Product Content Automation

AI API Automation Cloud GCP

Owns backend services for automating product content workflows on Google Cloud, building scalable pipelines and APIs to integrate data and AI use cases.

Sytac BV

Senior Backend Engineer New Amsterdam

Agentic AI AI Azure CI/CD Cloud +11 skills

Build and run production-grade backend services in Kotlin/Java with Spring Boot on cloud platforms, ensuring clean code, test coverage, and Kubernetes-based CI/CD.

Harnham

Senior Backend Engineer, Cloud & Infrastructure

Cloud Cloud Native Kubernetes Terraform

Senior backend engineer building and scaling cloud-native infrastructure using Go, Kubernetes, and Terraform to support product growth and a major launch.

CodeGuild

Senior Java Backend Engineer

Agile AI Anomaly Detection API Api Design +14 skills

Build and scale a high-traffic Java backend platform using Java21, Spring Boot, RabbitMQ, Docker and AWS, integrating AI tools for testing and optimization.

75K – 90K €

Online Payment Platform

Open 36d HybridEuropeContractSenior Licensed NL sponsor

Senior Backend Engineer PHP

API CI/CD E-commerce Laravel Microservices +6 skills

Build and scale a high-traffic fintech backend in PHP/Laravel/Symfony that processes millions of daily transactions and replaces legacy systems with secure microservices.

Senior Backend Engineer (Kotlin)

Agile AKS Azure Azure DevOps CI/CD +19 skills

Senior backend engineer building Kotlin microservices for a global auction platform, using Azure cloud, event-driven systems, and functional programming.

Senior Backend Engineer - Data Automation & Quality

Automation Data Quality Python SQL

Senior Backend Engineer designs and builds scalable automation systems to ensure data quality and reliability for adtech clients using Python and SQL.

Fixico

Open 36d EuropeSenior Licensed NL sponsor

Senior Backend Engineer (Laravel) - Scale & Own APIs

Build and scale core backend services in PHP/Laravel, own APIs, and shape architecture while collaborating with product and frontend teams.

Senior Backend Engineer (Payments & Compliance)

API PostgreSQL Serverless SQL TypeScript

Build and own the backend systems that power Renno’s escrow-based payment infrastructure and compliance workflows using Supabase/PostgreSQL, TypeScript, and secure webhook pipelines.

Levy Professionals

Senior Python Backend Engineer

AI API Azure Cloud FastAPI +6 skills

Build and maintain Python-based RESTful APIs and backend services in Azure, using FastAPI, Pydantic, and Pytest for a custom case management system.

Renno

Open 36d EuropeFull-timeSenior

Senior Backend Engineer, Payments & Compliance (Edge)

Event Driven Architecture PostgreSQL TypeScript

Senior Backend Engineer builds and secures payment and compliance systems using PostgreSQL, Supabase, and TypeScript, focusing on audit-ready workflows and event-driven architectures.

Dott

Senior Backend Engineer, Payments & Onboarding (Hybrid)

Build and maintain backend services for payments and user onboarding using TypeScript and Node.js in a hybrid role at a mobility-focused fintech company.

Node.js TypeScript