Top Software Engineer Jobs

Leads a full-stack Fleet Engineering team building Go and React/TypeScript tools for hardware ticketing, technician repairs, and fleet inventory workflows. Owns hiring, team development, product delivery, release cadence, reliability, observability, incident response, architecture, and cross-team APIs. Partners with operations stakeholders to improve data center hardware lifecycle management and fleet efficiency.

The Senior Software Engineer will design and optimize recommendation algorithms, maintain data pipelines, and improve personalized user experiences using machine learning techniques and backend engineering skills.

Lead the technical vision and architecture for backend systems supporting experimentation, personalization, analytics, and conversion optimization. Design and operate high-throughput distributed systems and APIs, build data infrastructure, and productionize AI/ML capabilities. Drive complex multi-team initiatives, influence engineering strategy, establish technical standards and operational excellence, and mentor senior engineers. Partner with product, data science, ML, and engineering teams to translate business needs into scalable solutions.

Lead engineering and product across patient and provider platforms. Responsibilities include shipping production code, setting technical direction, owning the roadmap, running experiments, recruiting and mentoring engineers, defining AI-native development practices, and scaling architecture for rapid patient growth. The role is a player-coach position requiring direct product ownership, modern TypeScript full-stack development, strong analytical judgment, and in-person leadership in New York City.

Own VSCO’s production GPU image-processing engine and its iOS/macOS integration. Lead rendering, shader, color-management, memory, performance, and imaging capabilities including RAW and large-image export. Define shared pipeline contracts, diagnose mobile graphics issues, mentor senior engineers, improve engineering workflows, and guide technical direction across Product, Design, and Engineering. The role requires deep GPU systems expertise, strong systems-language experience, mobile graphics experience, and proven AI-assisted developer workflows.

Develop and modernize Traditional Vantage policy administration systems supporting life, disability income, and annuity products. Build and integrate mainframe solutions using COBOL, JCL, CICS, DB2, and VSAM; support cloud migration, DevOps, and CI/CD adoption. Collaborate with business, architecture, QA, and production teams on product launches and platform optimization. Provide Tier 2/3 production support, participate in on-call rotations, investigate incidents, perform root cause analysis, and implement stability improvements.

Lead the technical architecture and strategy for Klaviyo’s developer infrastructure, backend dependencies, platform upgrades, and distributed systems. Improve developer productivity, reliability, scalability, security, and deployment processes. Diagnose complex platform issues, establish monitoring and telemetry, mentor senior engineers, influence cross-functional architecture decisions, and evaluate emerging technologies including responsible AI tools.

Build and maintain full-stack software across data models, APIs, user interfaces, workflows, and production systems. Develop accessible, form-driven applications using TypeScript, Node.js, NestJS, React, and Next.js. Design transactional and flexible databases, implement asynchronous processing, and write unit, integration, and end-to-end tests. Participate in code reviews and technical design discussions while improving scalability, security, reliability, and WCAG compliance. Own features end to end with growing autonomy and collaborate with senior engineers and technical leadership.

Designs, develops, tests, maintains, and supports secure production software and cloud infrastructure. Builds scalable, resilient services using modern object-oriented languages, microservices, APIs, databases, messaging, containers, and public cloud platforms. Applies automated testing, CI/CD, observability, Agile practices, and secure software engineering principles. Owns ambiguous technical problems through delivery, decomposes work, mentors others, collaborates with technical and business stakeholders, and may participate in rotating on-call support.

Develop and maintain iOS applications using Swift and related frameworks. Design testable mobile code, collaborate with product, design, and backend teams, and participate in API, system design, data modeling, and service integration. Integrate reliable AI/ML-enabled features, troubleshoot performance issues, resolve bugs, and support continuous improvement. The role also involves building scalable applications, optimizing performance, and applying mobile CI/CD practices.