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Senior Backend Engineer - Agentic Pentest
Designs and builds scalable, secure backend systems and APIs for an AI-driven cybersecurity platform that detects vulnerabilities in AI-generated code across the software development lifecycle, using cloud and runtime context.
Senior Backend Architect - Golang, GraphQL & Cloud-Native
DFP Recruitment is hiring a Lead Developer/Senior Backend Architect in Barton (Canberra, Australia) to lead the NDIA consumer API platform — designing and operating secure, scalable Golang/GraphQL backend services and APIs in a cloud-native environment, setting engineering standards, mentoring developers, and working with Salesforce and MuleSoft teams.
Senior AI-Driven Backend Engineer LATAM - Remote
Wagmo, a pet healthcare company, is hiring a remote Senior Software Engineer based in Latin America to lead claims automation and AI-driven features on the Pet Parents squad, building production-ready AI systems with Python/Django on the backend and TypeScript/React on the frontend while partnering with Product on the roadmap.
Senior Backend API Engineer
Senior backend engineer based in Kimberley, Canada, designing and maintaining secure, scalable APIs and backend services using RESTful design, GraphQL, and microservices. The role covers database schema design, query optimization, automated testing, and troubleshooting, with collaboration across frontend, product, and stakeholders.
Senior Golang Backend Engineer
Permanent hybrid senior backend role in Toronto building high-performance, cloud-native backend services in Golang (or Python) for enterprise energy management — modernizing microservices and event-driven integrations, improving CI/CD, and working with Docker and Kubernetes, plus code reviews and technical guidance.
Senior .NET Azure Backend Engineer
Senior engineer at Kumaran Systems building scalable .NET 8/C# backend services on Azure — developing Azure Functions, Service Bus consumers, and App Service deployments — while collaborating with architects, QA, DevOps, and clients on transformation projects.
Senior Backend Engineer: APIs, AWS & Scale
Senior backend developer at Off2Class in Toronto owning server-side architecture, APIs, and data processing for its ESL (English-as-a-second-language) learning platform serving schools, teachers, and learners. Core technologies are PHP, AWS, and databases, with a focus on performance, testing, and reliable deployments.
Senior Java Backend Engineer - Spring, TDD, Low-Latency
Blutic LLC is hiring a Senior Java Backend Engineer in Montréal (hybrid) to build scalable, secure data processing and analytics backends using Java, Spring, and SQL. The role emphasizes strong TDD practice and low-latency systems experience in finance.
Senior Java Backend Engineer
Senior hands-on backend engineer at Citigroup designing, building, and delivering Java and Spring Boot services from requirements through production. The role stresses clean architecture, readable code and documentation, code reviews and mentoring, and using AI tools across daily engineering work.
Senior Backend Engineer (Databases Tempo)
Senior engineer owning technical direction for Grafana's Tempo, an open-source distributed tracing backend. Day to day: lead multi-month projects across ingestion, storage, query engines, and TraceQL metrics in Go, own SLOs and on-call, mentor engineers, and contribute to the OSS project in a fully remote team.
Senior Web3 Backend Engineer Toronto
Senior backend engineer building Robinhood's crypto, Web3, and wallet products in Toronto: scalable backend services, infrastructure, and data systems supporting trading of cryptocurrencies and tokenized assets, using Go or Python. Requires in-office attendance at least three days weekly.
Senior Backend Developer Waterloo
Senior backend developer building SOAP/REST APIs, microservices, and event-driven systems on Azure Kubernetes Service in a hybrid role based in Waterloo, Ontario. Emphasis on Agile, DevOps, TDD, and CI using Jenkins, GitHub Actions, JUnit, and Cucumber; requires 8 years of experience.
Senior Java Backend Developer
Senior Java backend developer (7–15 years) building enterprise-grade, low-latency applications using Java, Spring (Boot/MVC/Security), optimized SQL, multi-threading and TDD — largely for financial-domain work such as trading, risk and settlement systems. Hybrid role based in Montréal.
Senior AI Applications Backend Engineer
Senior backend engineer designing, architecting, and scaling GenAI Co-Pilot and Decision Flows platforms using Java, cloud-native tech (Kubernetes, Docker), and distributed systems (Kafka, RabbitMQ) at an investigative analytics software company.
Senior Python Developer - AWS Serverless Backend
Senior Python Developer in Dublin building secure, scalable serverless backend services on AWS for Fruition Group's client. Day to day involves cloud-native backend development and collaboration with engineering, product, and security teams, in a hybrid pattern with 2 days per week on site.
Backend Developer Senior - Jakarta
Senior backend developer in Jakarta who sets engineering standards, designs system architecture, mentors junior engineers, and builds Infomedia Nusantara's Government Procurement Platform. Core stack includes Go, Java, PostgreSQL, GraphQL, Temporal, Redis, and Pub/Sub.
Remote Senior Backend Engineer - Scalable Systems
Senior backend engineer at Placements24 working fully remote across South Africa (Mossel Bay focus area), designing, developing, and maintaining backend systems and APIs. Core focus areas are RESTful APIs, microservices, and cloud containers, with 5+ years of backend experience required.
Senior Backend Developer
Senior backend engineer shaping Razor Labs' DataMind AI industrial intelligence platform — owning features end-to-end, from architecture to production delivery, for high-volume machine data and real-time diagnostics. Core stack: Python, REST APIs, distributed systems, PostgreSQL, BigQuery, GCP, Redis, plus AI coding tools like Claude Code and Copilot.
Senior Backend Engineer
Wiliot is hiring a Senior Backend Engineer in Tel Aviv to design and build scalable, data-intensive management systems for its IoT platform (self-powered RFID-style stickers). Day-to-day work spans architecture and implementation of large-scale pipelines using Java/Spring Boot, Kafka, Flink/Spark, cloud microservices, and relational/NoSQL databases.