Top Software Engineer Jobs

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.

Lead hands-on software engineering for a large, revenue-critical PHP game server and associated administration tools. Responsibilities include improving legacy code, setting technical standards, making architectural and execution tradeoffs, writing production code, mentoring engineers, conducting code reviews, designing tests, and collaborating with engineering leadership on roadmap decisions. The role may also influence PHP backend and jQuery/Vue.js frontend tooling, with bonus experience in observability, cloud platforms, and live-service games.

Leads a backend platform engineering team, overseeing hiring, coaching, delivery, roadmap planning, architecture, and cross-functional collaboration. Builds reusable services, APIs, tools, and self-service capabilities supporting multiple products. Drives scalability, reliability, developer experience, observability, security, automation, incident response, capacity planning, and operational excellence while contributing to technical decisions and troubleshooting.

Staff Software Engineer leading insurance and cost-transparency features for a healthcare marketplace. Responsibilities include technical leadership, system design, roadmap ownership, hands-on development with C#, React, and AWS, mentoring engineers, improving engineering practices, collaborating cross-functionally, and delivering scalable, highly available products. The role requires strong product judgment, distributed backend systems expertise, developer productivity improvements, and experience working with third-party vendors and data providers.

Leads multiple engineering teams and managers, defining technical strategy, improving stability and quality, and ensuring predictable delivery. Partners with Product, Architecture, business stakeholders, and external partners to prioritize solutions, manage technical debt, and support organizational growth. Develops engineering talent and standards while advancing cloud, DevOps, event-driven architecture, reliability, security, and AI-driven automation initiatives.

Lead mobile architecture and development using Flutter and Dart across iOS and Android. Own features from implementation through testing, release, monitoring, and troubleshooting. Shape technical roadmaps, participate in architecture and performance discussions, improve observability and crash analytics, and collaborate with Product and Design. Mentor engineers and promote technical excellence, reliability, maintainability, and strong engineering practices.

Build and own foundational Android platform infrastructure, shared libraries, frameworks, architecture, observability, performance tooling, and developer experience systems. Lead AI-native engineering practices, evaluate AI development tools, drive cross-organizational technical initiatives, mentor engineers, and establish scalable Android standards. Collaborate across mobile, web, backend, product, design, and leadership teams to improve engineering velocity and customer experiences.

Build and ship native iOS features for a consumer fintech platform using Swift, UIKit, and scalable mobile frameworks. Own features from design handoff through launch, collaborate with product, design, and backend teams, participate in code and architecture reviews, and contribute to reusable platform components. The role emphasizes performant user experiences, secure financial applications, mentorship, and continuous engineering growth.

Full Stack Engineers will design, develop and implement features for a SaaS product using React, Typescript, Django, and Python, collaborating within an agile team.