java backend engineer

Apexon is a digital-first technology services firm specialized in accelerating business transformation and delivering human-centric digital experiences. We bring together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, with proprietary accelerators and platforms. Backed...

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass,...

Build Python 3.X backend services and automation tooling at Kumaran Systems, working with REST APIs and Linux production environments.This senior engineering role requires seven-plus years of production Python development using Python 3.9 or newer. You will develop services with FastAPI, Flask, or Django REST Framework, while supporting Oracle databases,...

Senior Backend Engineer building SaaS systems with data, machine learning, and AI capabilities for Kaseya’s global IT platform.This hands-on senior or staff role leads backend architecture and technical direction across product areas. You will create scalable systems, integrate ML and AI into customer workflows, and collaborate with Product, Design, and...

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movable Ink serves its global client base with...

Become integral to ThreatAware's mission as a Backend Engineer. Contribute to AI development, optimize APIs, and maintain a robust platform for cybersecurity solutions. As a vital member of the ThreatAware team, you will leverage your C# and .NET expertise to build and maintain backend services. This role focuses on enhancing AI-powered capabilities,...

Build backend capacity models at Affim using Python or Kotlin, working remotely from eligible Canadian provinces to prepare for peak traffic.As a Senior Software Engineer on the Capacity Modeling team, you will translate demand forecasts into testable plans. You will map checkout volume, app opens, and batch activity to CPU, memory, and connection needs....

Strengthen Stripe Radar with backend engineering and distributed systems expertise, building low-latency services that stop fraud and abuse at scale.This software engineering role focuses on products and infrastructure for businesses using Radar. You will work across backend services, enterprise APIs, and shared platforms. You will also bring new signals,...

Apexon is a digital-first technology services firm specialized in accelerating business transformation and delivering human-centric digital experiences.We bring together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, with proprietary accelerators and platforms.Backed...

Build backend foundations for MaintainX’s internal developer platform using Node.Js, TypeScript, GraphQL, and distributed systems expertise. Work alongside platform and product teams.As a senior backend engineer, you will develop an internal platform serving more than 150 developers. The work focuses on reducing manual steps, enabling golden paths, and...

Elevate your backend engineering career with Affirm’s remote team in Canada, specializing in Redis and Valkey Cache Services. Drive innovation in data infrastructure while collaborating closely with cross-functional teams. Join Affirm as a Software Engineer II, focusing on backend systems and cache service scaling. With at least two years of experience,...

Become a Senior Backend Engineer at Docebo, where AI transforms workplace learning. Utilize your backend expertise to drive technical initiatives and enhance user experience through innovative system designs. In this pivotal role, you'll bring over six years of software engineering experience with a focus on backend systems. You will oversee complex...

Build AI underwriting systems with Python and backend expertise at nesto, in a remote-first role open across Canada. Shape production lending technology.As a Senior Applied AI Engineer, you will lead major projects for Maestro, nesto’s AI underwriting and lending engine. Apply LLMs, retrieval-augmented generation, structured extraction, and strong API...

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise.This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Use Python and distributed systems expertise to build secure, scalable backend services from Canada. Work full time on cloud-native applications in AWS.As a Staff Backend Engineer, you will design core services and backend logic for event-driven systems. The work spans asynchronous programming, data processing pipelines, serverless applications, and RESTful...

We are looking for an experienced Backend Platform Engineer to build, maintain, and scale the infrastructure powering an innovative AI-enabled product designed for children. In this role, you will take end-to-end ownership of the backend ecosystem, including APIs, real-time connectivity, job processing pipelines, and cloud infrastructure. You will ensure...

Build AI underwriting systems with Python and backend expertise at nesto, in a remote-first role open across Canada. Shape production lending technology. As a Senior Applied AI Engineer, you will lead major projects for Maestro, nesto’s AI underwriting and lending engine. Apply LLMs, retrieval-augmented generation, structured extraction, and strong API...

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise. This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Improve Atlassian engineering systems as a fully remote Backend Software Engineer located in a United States timezone. Bring cloud, database, and service expertise.You will contribute to a collaborative team of engineers, architects, product managers, and designers. The work centers on backend applications, RESTful microservices, scalable distributed...

Build backend applications and data pipelines as a Staff Software Engineer at Marqeta, working remotely from Ontario or British Columbia.The Program Experience team is scaling Marqeta’s Customer Migration Platform. This experienced engineering role focuses on Java and Python, scalable APIs, cloud native applications, and data integration. You will support...