Senior Backend Engineer, Cashalo

Build and maintain robust backend services and APIs using .NET to power lending products. Take ownership of features end-to-end while contributing to platform reliability and observability on Azure.

Senior Backend Engineer

Design, build, and maintain scalable JVM-based backend services and event-driven infrastructure. Collaborate with cross-functional teams to deliver high-quality features while ensuring system reliability and data integrity.

Senior Backend Engineer, Payments

You will design, build, and maintain scalable backend services and APIs using Golang while driving technical architecture and system health. Additionally, you will collaborate cross-functionally to deliver high-impact features and mentor junior engineers to ensure operational excellence.

Java Software Engineer (Backend)

You will design, develop, and maintain a scalable backend for a shipping platform while collaborating with cross-functional teams to ensure high performance and reliability. Additionally, you will mentor junior engineers and contribute to the continuous improvement of technical standards and development practices.

Senior Java Software Engineer (Backend)

You will design, develop, and maintain a scalable backend for a next-generation shipping platform using Java and microservices architecture. You will also collaborate with cross-functional teams, including product managers and DevOps, to ensure high-quality software delivery and observability.

Senior Software Engineer, Backend (Card Loan Platform)

You will lead the end-to-end system design and development of high-availability services while driving technical strategy for the card loan platform. Additionally, you will collaborate across cross-functional teams to define requirements and mentor junior engineers to ensure system robustness.

Senior Backend Engineer - Data Core (remote, Europe)

Middle/Senior Backend Engineer

Develop and maintain backend services for the Xsolla ID platform using Go while implementing secure OAuth 2.0/OIDC authentication flows. Collaborate on microservices architecture, optimize database performance, and contribute to zero-downtime migrations for high-load identity systems.

Senior Backend Engineer

You will design, build, and maintain backend systems across a portfolio of products, taking ownership of problems from initial concept to production. You will collaborate with cross-functional teams to resolve technical incidents, optimize system performance, and make architectural trade-offs.

Backend Engineer - AI Platform and Cloud Native Services

Design and develop scalable microservices for an AI platform, including model orchestration, token accounting, and cost controls. Maintain system stability through proactive monitoring, performance tuning, and troubleshooting of backend services.

Senior Backend Engineer - Payments (Go, TypeScript, Node.js)

Binance Accelerator Program - Backend Engineer, Pay & Card

You will design, develop, and maintain backend services and scalable APIs for Binance Pay and Card products. You will also collaborate with cross-functional teams to build secure, high-throughput transaction systems and improve overall system reliability.

Senior Backend Engineer (ARG based only)

You will ship software to production daily and influence UX through product engineering. You will also collaborate with a high-performing EPD team to accelerate product development.

Backend Engineer (Logistics)

Design and build backend services and APIs using Node.js, TypeScript, and NestJS while managing logistics integrations. Own features end-to-end, including specification, implementation, testing, and production deployment.

Principal Backend Engineer – Music Discovery Platform - Roon

Architect and develop robust, scalable, and secure APIs for music catalog, recommendation, and search systems. Lead backend engineering efforts while collaborating with cross-functional teams to define API contracts and optimize service performance.

Staff Engineer Backend & Architecture (all genders)

You will own and evolve the backend and service architecture, leading the migration from a legacy monolith to a modular, API-first system. Additionally, you will mentor engineers, drive AWS infrastructure decisions, and integrate AI tooling to enhance productivity.

Principal Backend Engineer - Casino

The Principal Backend Engineer will define the technical direction and architecture for complex, cross-team systems while mentoring staff and senior engineers. They will also champion the adoption of AI-assisted development practices to improve engineering velocity and code quality.

Senior Backend Engineer, Home Surfaces

Architect, build, and evolve backend systems and pipelines that support personalization and recommendation services at scale. Collaborate with cross-functional teams to design reliable, performant services and define experimentation strategies for podcast discovery.

Senior Backend Engineer- Agentic Pentest

Design and implement scalable backend systems and APIs while collaborating with cross-functional teams on architecture. Troubleshoot production issues, lead code reviews, and mentor junior engineers to ensure high-performance and secure applications.

Staff Software Engineer, Backend (Search)

You will set the technical strategy for the search and recommendations team while collaborating with product, design, and analytics to deliver business-impacting projects. Additionally, you will act as a force-multiplier by establishing high engineering standards, mentoring team members, and ensuring the operational availability of backend systems.

Senior Backend Engineer

The Senior Backend Engineer will develop core infrastructure for the Arbitrum Ethereum scaling solution and tackle complex distributed systems challenges. They will also collaborate with research and product teams to drive technical roadmaps, conduct code reviews, and establish backend architectural standards.

Senior Software Engineer, Backend (Online Storage)

You will build and operate the control plane for large-scale distributed SQL databases while automating provisioning, failover, and upgrades. Additionally, you will lead engineering efforts to design reliability-focused migrations and own the networking stack connecting services to storage.

Senior Software Engineer, backend (Online Storage)

You will build and operate the control plane for large-scale distributed SQL databases, automating provisioning, failover, and upgrades. Additionally, you will design reliability-focused schema migrations and own the networking stack connecting services to storage on Kubernetes.

Senior Backend Engineer II - Data

You will design, build, and maintain the Medical Data Server and scalable clinical data pipelines using Python and healthcare interoperability standards. Additionally, you will collaborate with cross-functional teams to ensure data quality, reliability, and accessibility across clinical applications and AI workflows.

Senior Backend Engineer

You will design, build, and maintain production-grade backend services and distributed systems for an agent trust platform. The role involves taking ambiguous problem statements from prototype to deployment while occasionally building React front-end surfaces.

Senior Backend Engineer

You will design and build scalable backend services and APIs while maintaining robust database models and infrastructure. Additionally, you will collaborate with cross-functional teams to ship features end-to-end and ensure high system reliability and performance.

Backend Engineer, MTA

You will build and operate Resend's email transport infrastructure, including SMTP delivery, routing, and reputation-aware systems. Additionally, you will partner with Trust & Safety teams to design controls that protect the network from abuse and participate in incident response.

Backend Engineer (Multiple Positions)

Design, implement, and operate production services and APIs while leading projects from problem definition through deployment. Collaborate with cross-functional teams to build scalable solutions and improve system observability and reliability.

Senior Backend Engineer (Multiple Positions)

Lead the design and delivery of large-scale backend projects while ensuring the reliability, scalability, and security of production services. Collaborate with cross-functional teams to translate business needs into technical solutions and mentor junior engineers to improve team practices.

Staff Backend Engineer - AI Platforms (Health100)

Design, build, and deploy scalable AI and Generative AI applications using LLMs, RAG architectures, and agentic frameworks. Lead technical design discussions while collaborating with cross-functional teams to integrate AI capabilities into enterprise-grade systems.