10,374 Senior Backend jobs

PANDERO S.A. EAFC

Desarrollador Web Senior – Frontend/Backend & UX

Senior web developer building and optimizing an e-commerce platform, collaborating with marketing and ops, and ensuring analytics and deployment quality.

Desarrollador Backend Senior .Net

API Azure Azure DevOps BDD CI/CD +14 skills

Senior backend developer using C#/.NET to build secure, high-transaction financial systems with REST APIs, SQL Server, and Azure DevOps.

Q Digital System

Desarrollador(A) Backend Semi Senior - Php & Java (Spring Boot)

API CI/CD Docker Git Grafana +19 skills

Backend developer maintaining legacy PHP systems and building new Java/Spring Boot microservices in a hybrid role, focusing on stability and modernization.

Desarrollador Semi Senior - Backend PHP / Java

API CI/CD Docker Git Grafana +19 skills

Backend developer maintaining legacy PHP apps and building new Java Spring Boot services, APIs, and integrations to modernize enterprise systems.

Ayesa Digital

DESARROLLADOR/A SENIOR BACKEND NODE JS

Argo CD AWS CI/CD Cloud DevOps +13 skills

Builds and maintains scalable, secure Node.js backend services using Express, Fastify, and NestJS, with MongoDB, Redis, and cloud-native tooling.

Sermaluc Perú

Líder técnico - Backend Sr.

Lead a backend team building and scaling .NET solutions for banking clients, mentoring developers, and driving technical decisions.

Backend Developer Senior - RQ-7649-2026-1

Aurora AWS .NET EKS Eventbridge +9 skills

Senior backend developer building and optimizing financial applications using AWS, TypeScript, Node.js, and Python to improve performance, security, and scalability.

Talent2Win

Backend Developer Senior - RQ-7653-2026-1

Aurora AWS .NET EKS Eventbridge +9 skills

Senior backend developer building and optimizing financial applications using AWS services, TypeScript, and Node.js for a fintech company in Lima.

Ruby Developer

Open 36d RemoteEuropeContractSenior

Senior Ruby on Rails Backend Architect – Remote

API Automation AWS Docker EC2 +6 skills

Architect and build backend services for a proptech platform that automates real-estate marketing workflows across 17+ countries using Ruby on Rails, PostgreSQL, and AWS.

Euronext

Senior Backend Developer – Java/Kotlin, Spring Boot & APIs

API Event Driven Architecture Java Kotlin Observability +4 skills

Build and maintain scalable backend services in Java/Kotlin with Spring Boot for a fintech exchange’s settlement and tax systems, using event-driven architectures and RESTful APIs.

NOVA Consulting Group

Senior backend-developer

API Azure Azure DevOps CRM C# +4 skills

Builds scalable backend services in C#/.NET Core for ecommerce platforms, integrating ERP, CRM, and payment systems on Azure while mentoring junior developers.

Storebrand

Senior Backend Developer

Builds and maintains backend services for corporate pension and life-insurance portals using Java/Spring Boot in agile, cross-functional teams.

Senior Backend Developer

AI API Api Design Automation AWS +18 skills

Build and maintain high-throughput, event-driven backend services in Java/Kotlin that power Spenn’s Nordic loyalty platform, handling millions of transactions across partner brands.

Weave

Open 36d North AmericaSenior

Remote Senior Backend Engineer - Performance

United States

Build and lead Weave’s performance engineering practice, designing automated testing frameworks and tuning Go-based microservices on Kubernetes to ensure scalability and reliability during rapid customer growth.

Acceptance Criteria AI Candidate Experience CI/CD Datadog +18 skills

Oura

Open 36d RemoteNorth AmericaSenior

Remote Senior Backend Engineer

United States

Build and scale backend services in Python to power Oura’s wearable health platform, handling data from the Oura Ring and delivering insights to users.

AWS Design Patterns FastAPI Pci Dss Python

Senior Backend Engineer: Scale Real-Time Data (Hybrid, Unlimited PTO)

Open 36d HybridEuropeSenior

AWS Data Ingestion Docker Java Kubernetes

Design and build scalable backend services for real-time data ingestion using Java 17+, AWS, Docker, and Kubernetes in a hybrid role.

TalentCloud Group

Senior C++ Backend Engineer: High-Performance Data Systems

Senior C++ engineer building high-performance backend systems for advanced scientific installations in Switzerland.

Senior Backend Architect - AI Gen & Data Pipelines

AI API Api Design Data Engineering DevOps +1 skills

Senior backend architect at a Swiss AI startup in Lugano; designs Python services, APIs, and data pipelines for AI generation and scales backend systems across brands.

TTMS Schweiz AG

Senior Backend Developer

AI API Api Design Authentication Azure +26 skills

Design and build scalable backend systems using TypeScript/NestJS or PHP/Laravel on Azure, focusing on microservices, APIs, and database optimization.