8,649 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Desenvolvedor backend kotlin - sênior
Senior Kotlin backend developer who designs and evolves BFFs that orchestrate and aggregate data from multiple microservices for web and mobile. Daily work spans Kotlin coroutines/Flow, Spring Boot or Ktor, REST/GraphQL API contracts, PostgreSQL/Redis, resilience patterns, testing, and production observability.
462 - desenvolvedor backend .net/c# sênior
Senior backend developer building, testing and integrating BFF/Backend modules for a client's SuperApp: REST APIs in C#/.NET 6 and 8 (ASP.NET Core), legacy HTTP/SOAP integration, OAuth2, unit/integration tests, SonarQube, GitHub/Azure DevOps, and observability with Application Insights and Redis. CLT role, hybrid 2-3x/week in Alphaville, Barueri.
Desenvolvedor backend node sênior
Senior Node.js backend developer at MB Labs, a Brazilian IT consultancy: builds stateless APIs, reviews code, helps define architecture and processes, mentors teammates, and produces technical documentation, using TypeScript, PostgreSQL/SQL Server, MongoDB and AWS/Azure, working remote or hybrid from Campinas.
Engenharia de Software Backend Sênior - Python | RD Station (Remoto)
Seu desafio no time: Você vai liderar tecnicamente a evolução do Criador de Agentes de IA da RD Station, dentro da Aliança de IA. Será a referência técnica do time: mão na massa no backend em Python, conduzindo…
Senior Backend Engineer - Databases - Analytics | Canada | Remote
Senior backend engineer at Grafana Labs building the database/storage layer (OLAP + OTLP ingestion, query planning, distributed execution, storage formats) for a new AI-native enterprise data intelligence platform, including multi-tenant SaaS foundations. Core stack: Go/C++/Rust, distributed systems, cloud-native environments.
Senior Backend Software Developer
IBM Software is hiring a Senior Backend Software Developer in Bedford, Canada, to design, code, and test component-level, AI-powered cloud-native software, contribute to automated CI/CD pipeline quality stages, and fix customer-reported issues within Agile teams.
Senior Backend Engineer Integrations
Senior backend engineer building reusable integration foundations for MaintainX — connector scaffolding, marketplaces, SDKs, and API platforms for enterprise systems like SAP. Day to day involves backend services in TypeScript, Go, or C#, relational database design, and improving CI/CD pipelines, working with Product, Design, and customer-facing teams.
Senior Backend Engineer - Java Spring Boot + Camunda 8
Senior backend developer building cloud-native, workflow-orchestrated services for mortgage and lending workflows in regulated financial services. Day to day: Java Spring Boot microservices, Camunda 8 BPMN workflow orchestration, API-first integrations, and Azure/Kubernetes deployment with DevSecOps practices in agile teams.
Senior Java Backend Engineer Toronto
Senior backend engineer building enterprise banking software with Java, Spring Boot, microservices, PostgreSQL, Docker, and cloud technologies, mostly hands-on backend work with some frontend contribution, on a hybrid team in Downtown Toronto.
Senior Backend Engineer AWS Python
Design and maintain scalable backend services and RESTful APIs in Python on AWS for an AI-driven risk intelligence platform used for compliance and due-diligence media screening and monitoring. You'll optimize data pipelines, database architecture, and cloud infrastructure, with hybrid Montréal or remote options.
Senior Backend Engineer Logistics Platform
Senior backend engineer on Instacart's Logistics Platform, building scalable services for routing, task allocation, fulfillment tracking, and shopper compensation. Works with Ruby, Python, or Go on distributed, event-driven Tier-0 systems; remote within select Canadian provinces.
Senior Backend Engineer
Build and optimize backend systems and APIs in Java or Go to power online food delivery for global restaurant chains like Chick-fil-A and KFC.
Senior Backend Engineer
Build and maintain scalable backend systems in Java or Go that power restaurant delivery platforms, using PostgreSQL, Redis, and cloud services like AWS.
Senior Backend Software Engineer
Builds and maintains backend services for an AI-driven marketing automation platform that optimizes restaurant delivery orders across third-party platforms.
Senior Backend Software Engineer
Builds and maintains backend services for an AI-driven marketing platform that automates restaurant promotions across delivery platforms, using Go, PostgreSQL, and cloud infrastructure.
Senior Backend Developer, AI Systems (Remote)
Senior backend developer at Movable Ink (Toronto) evolving the AI recommendations engine that powers billions of marketing personalization decisions daily into a modern distributed architecture. Deep Python distributed-systems work with Kafka, Kubernetes, and gRPC on Google Cloud, plus Spark/Flink/Beam data processing.
Senior Backend Engineer — Scalable Data Systems (Hybrid)
Backend engineer on HII Mission Technologies' Enlighten team, building and scaling critical data systems that manage trillions of records and serve hundreds of thousands of daily queries for the DoD. Day-to-day work spans RESTful APIs, open-source systems like Trino, and identity federation with Keycloak in a hybrid setting.
Charm Security- Senior Backend Engineer – Platform
Senior backend engineer on the Platform team at Charm Security (a Team8-backed early-stage startup) building the core platform that runs AI agents protecting banking customers from scams and social engineering. Day to day: architect services, design real-time data pipelines and event-driven microservices, and own services end to end, primarily in TypeScript and Node.js with PostgreSQL.
Senior Backend Engineer, AI at Scale — Remote
Seedtag's Contextualization Platform team seeks a senior engineer to build high-performance Go backend services powering real-time bidding at scale, turning AI innovations into production systems and scalable data pipelines for contextual advertising. Remote-friendly, with ownership of architectural decisions.