Back-End Software Engineer

Backend Security Engineer | Remote - Contract

You will create challenging coding tasks for AI systems involving feature implementation and bug fixes. Additionally, you will implement deterministic verifiers to validate AI-generated solutions.

🌍 Backend Security Engineer, Remote - Contract

You will apply your technical expertise to train next-generation AI systems by providing high-quality, real-world input. The role involves building scalable services, performing security audits, and optimizing backend performance.

Software Engineer III - Backend (NGC)

The software engineer will maintain, enhance, and troubleshoot existing Java-based services while collaborating with cross-functional teams to deliver high-quality software. They will participate in all phases of the Agile Scrum lifecycle, including design, coding, testing, and peer code reviews.

Backend Software Engineer

Design, build, and maintain scalable backend services, APIs, and database schemas while ensuring high performance and reliability. Lead architecture sessions, conduct code reviews, and mentor junior developers to foster best practices across the team.

Principal Backend Software Engineer

The Principal Backend Software Engineer will lead complex architectural challenges and provide technical design solutions across engineering teams. They are responsible for mentoring junior engineers, conducting high-level code reviews, and driving company-wide technical projects.

Software Engineer II, Backend (Post-Transaction)

You will design, develop, and maintain backend systems that handle post-transaction processes for the Affirm Card. This involves collaborating with product, compliance, and cross-functional teams to ensure accurate account resolutions and system reliability.

Senior Backend Software Engineer, Robot Fleet Orchestration

You will build and maintain backend software to coordinate live robot fleets, including path planning, task assignment, and system state management. You will also collaborate with cross-functional teams to integrate warehouse workflows and ensure reliable orchestration in production environments.

Senior Backend Software Engineer – Agentic AI Workflows (Go/AWS)

You will build and maintain an AI-driven metadata engine and automated ownership reassignment logic within an enterprise platform. The role involves refactoring legacy code, managing agent and MCP inventory, and delivering features through agile sprints.

Software Engineer II, Backend

You will contribute to the core backend infrastructure and scaling efforts to support high-volume, complex applications. This includes improving system performance, reliability, and observability while participating in an on-call rotation to diagnose and resolve issues.

Senior Backend Software Engineer

You will lead the end-to-end delivery of major product updates and manage the release lifecycle for high-impact features. Additionally, you will collaborate with cross-functional teams to integrate AI capabilities and ensure seamless backend-to-frontend communication.

Senior Backend DevOps Engineer (Remote Opportunity)

The Senior Backend DevOps Engineer will operate and optimize containerized microservices within AWS ECS for the JLV program. They are responsible for designing CI/CD pipelines, maintaining infrastructure as code, and ensuring high availability and security compliance.

Backend Software Engineer - Evergreen Posting

Design, build, and maintain backend services and APIs using Python, Flask, and FastAPI while ensuring system scalability and reliability. Collaborate with cross-functional teams including Product, Design, and Frontend Engineering to ship user-focused improvements.

Staff Backend Software Engineer - Agent Platform (Java)

Design, develop, and operate large-scale, high-volume backend applications to support the agent platform. Collaborate with cross-functional teams to deliver scalable security solutions and maintain system reliability.

Senior Backend Software Engineer - Node.js/TypeScript

Develop and optimize new features across Node.js and TypeScript backend services to enhance scalability and speed. Collaborate with cross-functional teams to implement innovative solutions and ensure the technical feasibility of UI/UX designs.

Backend Software Engineer - AI Neobank App (Ireland)

Build and maintain core backend services, APIs, and workflows for an AI Neobank app covering insurance, payments, and savings. Design reliable systems for transactions, partner integrations, and regulated financial product infrastructure.

Backend Software Engineer - AI Neobank App (US)

Build and maintain core backend services, APIs, and workflows for an AI Neobank app across various financial sectors. Design reliable systems for transactions, partner integrations, and regulated financial products while improving system observability and performance.

Backend Infrastructure Engineer

Build and maintain high-throughput infrastructure to power reliable web data collection at scale. Focus on improving success rates against aggressive site defenses and managing the proxy layer's health and cost efficiency.

Software Engineer II, Backend (Test Infra)

Own and maintain integration and E2E test automation frameworks and associated CI pipelines to improve developer productivity. Design technical solutions to optimize test execution time, stability, and overall test strategy.

Backend Software Engineer (Internet Services Simulation)

Design and operate Kubernetes-based deployment automation for a simulated internet services catalog. Build content seeding pipelines and manage external DNS and email delivery infrastructure to create realistic simulated environments.

Senior Backend Software Engineer - Distributed Systems

The Senior Backend Engineer will drive the development of scalable backend systems for autonomous platforms, focusing on architecture and development. Responsibilities include designing distributed systems, optimizing performance, and collaborating with cross-functional teams.

Senior Backend Software Engineer

Own features throughout their entire life cycle from inception to production. Develop and improve Kotlin services while prioritizing maintainable code and comprehensive testing within a cross-functional team.

Backend .NET Engineer

Design, build, and maintain backend services and APIs using C# and ASP.NET Core within a specification-driven development workflow. Collaborate with cross-functional teams to translate requirements into technical specs and mentor junior engineers to ensure high-quality delivery.

Backend Software Engineer

Architect and maintain backend services and APIs for AI-driven cybersecurity platforms, specifically the Xint autonomous penetration testing framework. Establish engineering best practices, optimize data pipelines for LLM workflows, and mentor junior engineers.

Senior Backend Software Engineer, ObservoAI

Lead the architectural design and technical roadmap for scalable, high-performance data processing pipelines handling petabyte-scale telemetry. Drive the development of ML-driven data routing and transformation engines while mentoring engineering teams to ensure system performance and reliability.

Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere)

Design and implement complex product features for the alerting platform using Go, Kubernetes, and cloud infrastructure. Collaborate with cross-functional teams to build intuitive user experiences that streamline incident diagnosis and troubleshooting.

Staff Backend Software Engineer

This role involves designing and implementing architectural solutions for performant, scalable billing platform systems, focusing on cloud integration, microservices, and target state architectural patterns. The engineer will also drive code reviews, mentor others, and optimize application performance across frontend and backend layers.

Senior Software Engineer - Ad Systems (Backend)

Design, implement, and maintain backend features and services to support core business workflows. Collaborate with cross-functional teams to deliver end-to-end solutions while improving system performance and scalability.

Senior Java Backend / Microservices Engineer

Design, develop, and enhance enterprise-grade backend applications using Java, Spring Boot, and microservices architecture. Implement scalable solutions for event processing, REST APIs, and document management within a cloud-based environment.

Senior Software Engineer (Typescript / Backend) - AI/ML

Design and implement AI-powered features across the full stack, from backend inference services to intuitive frontend interfaces. Create robust, scalable APIs that connect database capabilities with modern AI/ML inference systems and external services.