Top Senior Software Engineer Jobs in Miami, FL

Leads performance engineering across the organization by designing load-testing and data-generation frameworks, defining benchmarks and standards, analyzing application, database, and system behavior, and guiding teams in performance optimization. Builds reusable tooling and best practices using k6, JavaScript, Grafana, and InfluxDB while addressing scalability, latency, throughput, and reliability challenges in distributed cloud-native systems.

Develop scalable C++ software that defines and enforces endpoint behavior across millions of managed Windows endpoints. Responsibilities include implementing features, improving platform performance, shipping production code, designing new systems, writing architecture documents, defining subsystem contracts, and collaborating with server, UI, product, and design teams. The role requires deep Windows systems and kernel-driver expertise, with preferred experience in WHQL, minifilter or WFP drivers, macOS Endpoint Security, and Linux kernel development.

Build and maintain metadata capture, transformation, and delivery pipelines for a data management platform. Develop backend services with Python, Java, and Node.js; integrate relational databases and REST APIs; implement Terraform infrastructure; and support GitLab CI/CD. Optimize distributed systems for performance, reliability, scalability, and secure asynchronous processing. Write automated tests, troubleshoot services using operational metrics, and contribute to AI/ML metadata pipelines, search, data lake, and LLM-powered initiatives.

Own the design, development, operation, and refactoring of third-party integrations, public APIs, SDKs, and event-driven services. Build resilient systems using Node.js, TypeScript, PostgreSQL, Kafka, Redis, and Kubernetes; manage API versioning, partner reliability, performance, monitoring, and production incidents. Mentor engineers, lead technical designs, and collaborate across engineering, product, partnerships, and customer-facing teams.

Design and develop scalable C++ software for endpoint state and control across Windows, macOS, and potentially Linux. Build reliable, multi-process systems that enforce endpoint behavior, manage local state, support IPC, and operate across millions of devices. Responsibilities include implementing features, improving platform performance, writing design documents, defining architecture and IPC contracts, and making technical decisions in an evolving, sparsely documented environment.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Design and develop scalable, highly available software systems for NinjaOne’s IT Operations platform. Build Java and Kotlin applications, implement enterprise design patterns, optimize systems serving millions of endpoints, and contribute production code. Responsibilities include REST service development, relational database work, client-server messaging, caching, scalability improvements, and quality testing. The role collaborates with engineers to deliver reliable cloud services supporting worldwide operations.

Lead development and enhancement of mission-critical Android applications for two-way radios. Define requirements, design, implement, test, and maintain software while coordinating with product, architecture, hardware, quality, and delivery teams. Manage timelines, resources, team performance, and quality metrics in a global environment. Participate in code reviews, refactoring, automation, continuous integration, and process improvement while applying modern Android technologies, security practices, and deployment standards.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

Leads full-stack software development across Python and FastAPI backend services, TypeScript and React frontend applications, and AWS infrastructure managed with Terraform and GitHub Actions. Responsibilities include architecture, coding, testing, integrations, performance improvements, technical documentation, CI quality gates, code reviews, and Agile delivery. The role mentors engineers, manages development practices, collaborates with cross-functional stakeholders, and directs AI coding agents while maintaining code quality and engineering standards.

Own the product surface and underlying services for an AI-powered workflow platform. Build review, correction, and approval interfaces; durable state, jobs, queues, retries, and core domain models; and deliver features end to end from schema through user interface. The role requires strong Python skills, comfort with probabilistic systems, product judgment, customer engagement, and experience building at an early-stage company.

Leads the design, development, and implementation of production-grade web applications and biomedical data platforms. Builds Node.js and React applications, APIs, server-side components, and scalable cloud-based solutions. Provides technical leadership, mentors junior engineers, coordinates cross-site projects, manages release schedules, prioritizes features, collaborates with scientists and product teams, performs testing and code reviews, and maintains technical documentation and deployment guidance.

Lead platform and developer experience initiatives that improve engineering velocity, reliability, and system performance. Build reusable Node.js, TypeScript, Nest.js, and React.js patterns; optimize PostgreSQL and Kafka systems; manage Kubernetes and ArgoCD deployments; modernize legacy code; improve CI/CD and observability; and mentor engineers. Translate ambiguous technical challenges into roadmaps, lead cross-team architecture work, and strengthen engineering practices through coaching, documentation, and workshops.

Design, build, and scale Iru’s foundational platform services, including API gateways, service meshes, CI/CD infrastructure, and shared developer services. Improve reliability, security, performance, observability, and developer productivity across multiple product lines. Collaborate with engineering teams to decompose monoliths into scalable services, implement infrastructure and deployment best practices, and participate in on-call support for critical systems.

Design, develop, and maintain high-performance networking software using C/C++ and Python. Work across L2-L7 protocols, Linux systems, virtualized environments, and network virtualization technologies. Debug complex distributed-system issues, analyze crash files, configure and test VM-based networking, and collaborate with architecture, QA, and DevOps teams. Participate in design reviews, documentation, and mentoring while delivering scalable, reliable, production-quality software.

Lead the architecture, development, and operation of a cross-platform RMM endpoint agent for Windows, macOS, and Linux. Build systems-level components in Rust and C/C++, secure networking capabilities, and integrations with distributed backend services. Improve concurrency, performance, reliability, and resource usage while owning components through production support. Lead technical decisions, design and code reviews, cross-team initiatives, and mentorship for systems engineering practices.

Develop and enhance enterprise SaaS solutions for an automotive intelligence platform using C#, .NET, SQL Server, Razor, Web API, HTML, and JavaScript. Own the full software development lifecycle, write scalable code, troubleshoot performance issues, contribute to architecture, collaborate in Agile teams, and mentor peers. The role requires extensive Microsoft development experience, Azure expertise, database optimization skills, and strong problem-solving ability.

Build and maintain scalable full-stack web applications using .NET, React, Next.js, and Azure. Responsibilities include feature delivery, API and microservices development, testing, code reviews, architecture, performance optimization, security, CI/CD support, cloud deployment, and production support. Senior engineers will mentor teammates and influence engineering standards, while early-career engineers receive mentorship and progressively greater ownership.

Senior Software Engineer responsible for designing backend-heavy TypeScript and Node.js services, building REST APIs, modeling PostgreSQL data, supporting production systems, improving reliability and observability, and owning services end to end. The role includes incident investigation, technical planning, partner integrations, code review, mentoring, and occasional React work. Engineers collaborate with Product and Engineering leadership while developing expertise in crypto and stablecoin payments.

Senior Software Engineer responsible for architecting and implementing reliable, scalable crypto payment platform services. The role focuses on distributed systems, backend development with TypeScript and Node.js, failure handling, observability, API and vendor integrations, production incident response, and technical mentorship. The engineer will own complex platform work end-to-end, influence architecture and team practices, and provide technical leadership without direct people management.

Leads hands-on development of full-stack applications using .NET, React, Next.js, and Azure. Owns architecture, coding, code reviews, testing, security, reliability, observability, production support, and cloud deployment. Integrates AI and GenAI capabilities such as LLM features, RAG, semantic search, and agentic workflows. Mentors engineers, establishes technical standards, collaborates with stakeholders, supports hiring, and helps deliver scalable, secure software.