Top Software Engineer Jobs

Develop and enhance payment products and transaction systems using Java and Kotlin. Design and build microservice components, evaluate emerging technologies, and recommend architectural improvements. Mentor less-experienced engineers on software practices and coding standards. The role focuses on highly available, distributed, high-concurrency risk and payment platforms, including fraud detection and risk decisioning infrastructure.

Own the end-to-end process of transforming partner workflows into evaluation datasets and reinforcement learning environments. Work directly with AI researchers, executives, and organizational leaders to identify capability gaps, manage technical and relationship lifecycles, shape the product roadmap, and build reusable infrastructure that improves partner onboarding. The role requires strong engineering, communication, systems thinking, judgment, ownership, and comfort in an ambiguous, high-intensity environment.

Lead the architectural design and strategy for a next-generation sports betting and trading platform. Define enterprise architecture, create vision and roadmaps, validate solutions via POCs, govern third-party integrations, and align stakeholders and leadership to ensure scalable, maintainable, high-performance systems.

Develop and manage software interfaces for rack management solutions, ensuring robust performance in AI systems and infrastructure. Collaborate across teams to enhance operational efficiency, employing skills in cloud-native environments and troubleshooting.

Design, develop, implement, and deploy algorithms and software systems supporting decision aids, information fusion, and visualizations. Contribute across the software lifecycle from prototypes to integrated systems, applying data science, object-oriented design, microservices, and test-driven practices within an agile team supporting national security customers.

Lead the Customer Agent AI project at Klaviyo, managing engineering teams, defining technical direction, and driving architectural decisions to develop a conversational AI platform.

Develop and maintain web-based data conversion and ETL tools in an agile team. Design architectures, write complex SQL/stored procedures, build REST API-driven features and React front ends, optimize performance, maintain code quality/tests, participate in code reviews, and collaborate with cross-functional stakeholders.

Designs, builds, and supports DAM/MAM content supply chain workflows, API integrations, metadata ETL processes, automations, and AI/ML-enabled operational solutions. The role translates stakeholder requirements into scalable media workflows spanning ingest, enrichment, QC, transcoding, delivery, and archival. It partners with engineering, product, operations, clients, and vendors; supports integrations and platform upgrades; creates documentation and training; and troubleshoots workflow issues in a deadline-driven environment.

Early-career front-end developer embedded in D2C; triage and fix backlog tickets, ship production code, work in agile sprints, translate design into technical requirements, use AI-assisted development to accelerate debugging and QA, and report site health and velocity to stakeholders.

Own and evolve the Subscriptions and Payments backend: design APIs, integrate providers, improve reliability and scalability, lead architecture and code reviews, collaborate cross-functionally, and participate in on-call rotations.