Top Software Engineer Jobs in NYC, NY

Leads and coaches multiple software engineering teams, oversees technical direction, resources, budgets, and delivery practices. Drives enterprise adoption of AI-assisted engineering and SDLC/TLM automation with governance, quality, security, resiliency, and measurable outcomes. Collaborates with stakeholders, resolves execution issues, advises leadership, and supports talent hiring and development. Requires software engineering experience, multi-team leadership, responsible AI knowledge, services-industry IT expertise, and practical cloud-native experience.

Develop and scale NinjaOne’s ticketing and billing products using Java and Kotlin. Design reliable enterprise software, REST services, relational data systems, caching solutions, and client-server applications. Address scalability, asynchronous design, API development, testing, and integrations with accounting platforms such as QuickBooks and Xero. Contribute hands-on code, apply object-oriented design principles, and help ship software serving millions of endpoints.

Build and operate backend-focused production software, APIs, integrations, databases, distributed systems, and asynchronous workflows. Develop AI-enabled and agentic systems with retrieval, tool use, evaluation, permissions, observability, and reliability controls. Own products from definition through iteration, collaborate with data engineering, data science, and SRE, make pragmatic technical tradeoffs, and mentor engineers.

Develop and operate backend systems supporting post-transaction processing for Affirm Card. Break down projects, write tested and extensible code, collaborate with product and engineering teams, monitor system health, troubleshoot issues, participate in on-call support, and contribute to code reviews and team development.

The role involves designing and developing core features for the Linux sensor in CrowdStrike's security platform, collaborating with teams across the company, and maintaining software quality for cross-platform delivery.

Architect and develop scalable full-stack benefits platforms, including customer-facing web applications, shared services, benefits workflows, and AI-driven interfaces. The role involves frontend and backend development, system scalability, observability, CI/CD, personalization, and recommendation capabilities. The engineer will mentor colleagues, establish AI-native development practices, influence technical roadmaps, and partner with Marketing, Sales, Operations, and leadership to deliver reliable benefits shopping experiences.

Own full-stack HR Experience features from technical design through implementation, testing, deployment, monitoring, and incident response. Write maintainable code, collaborate with product and design, participate in engineering ceremonies, improve system reliability and performance, and mentor less-tenured engineers. The role requires strong backend and frontend development, relational database expertise, software engineering fundamentals, end-to-end project ownership, and clear technical communication.

Build foundational frontend systems, reusable components, developer tooling, and customer-facing experiences for a large TypeScript and React platform. Lead projects from technical design through rollout, improve developer experience, ensure accessibility and performance, collaborate across engineering and design teams, and mentor engineers through reviews, pairing, and technical guidance.

Lead a small engineering team in building AI-native products from customer discovery through production and adoption. Partner with product and design, run hypothesis-driven experiments, engage directly with users, and own architecture, instrumentation, quality, and telemetry. Mentor engineers, set technical standards, deliver incremental releases, and make pragmatic decisions that connect engineering work to customer outcomes.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Develop and support SAP ABAP and HANA solutions for Finance, Procurement, Subledger, and BRIM systems. Design CDS views, OData services, SQL objects, AMDPs, and RAP-based Clean Core extensions. Participate in SAP implementations, integrations, migrations, debugging, testing, production support, and ongoing enhancements across S/4HANA and ECC environments. Collaborate with business stakeholders, product teams, and distributed engineering resources while following development standards, controls, and project methodologies.

Build and evolve Notion’s Developer Platform, including APIs, MCP tools, integration infrastructure, and internal platform capabilities. Partner with product, design, data science, and research teams to define strategy and deliver reliable, scalable features. Own production software end to end, improve platform performance and robustness, and drive high-leverage technical investments. Help developers and customers create integrations, automations, and connected workflows.

The Senior Software Engineer will design and build scalable AI/ML backend systems, develop data pipelines, and collaborate with cross-functional teams to implement ML-driven features while ensuring system performance and documentation.

Join Current as a Software Engineer to build backend services in a microservices architecture, participate in system design, and deliver impactful features. Requires 2+ years of backend experience, preferably with Java.

Develop high-performance research platforms and tools that bring trading strategies to life. Work in small teams to design, build, and deploy resilient systems using distributed computing, NLP, and machine learning to solve large-data problems in finance.

Build and scale backend infrastructure for Notions database (Collections) to improve P95 performance, reliability, and concurrency. Work on distributed systems, microservices, high-volume writes, observability, and platform features; partner with product and senior engineers and use AI tools to accelerate debugging and testing.

Lead technical strategy and execution across multi-quarter initiatives, build and optimize AI-enabled software systems, mentor engineers, collaborate across disciplines, and protect user privacy and security. The role works with large-scale healthcare data in an AWS and Kubernetes environment, using technologies including Python, TypeScript, React, Go, Airflow, DBT, and Claude Code.

Build and scale full-stack applications for Braze’s Cloud Data Ingestion and Data Transformation platforms. Own features end-to-end, with emphasis on backend development, scalable web applications, architecture, technical strategy, and high-volume data processing. Collaborate in an agile environment and deliver front-end experiences as needed. The role may involve automated data pipelines, asynchronous processing, ETL, microservices, distributed systems, and technologies such as Python, Django, React, Ruby on Rails, Snowflake, Kafka, Airflow, Sidekiq, SQS, and RabbitMQ.

Build and scale Go backend services for agent quoting, configuration, and application submission. Design APIs and distributed systems, write unit and integration tests, resolve partner-specific issues, contribute to architecture, support production debugging, improve CI/CD automation, and use AI coding tools in daily engineering workflows. Collaborate with adjacent teams and mentor teammates through pairing and documentation.

Build full-stack features for the Curator team: observability tools, AI context systems, governance workflows, SQL compilation and semantic model work, and intuitive front-end UX. Work across React, TypeScript, Python, and modern data warehouses to ensure reliable, trustworthy AI-driven answers.

Build and design features for MongoDB Atlas cluster security, develop distributed backend systems, collaborate with product and design, support production via on-call rotation, mentor teammates, troubleshoot customer issues, and lead complex technical projects from launch to maintenance.

Design, build, and maintain Soroban smart contracts and backend services integrating Stellar, EVM, and Solana. Scale on-chain infrastructure for high-volume transactions and real-time processing, drive architecture and roadmap, and ship features iteratively.

Design, implement, and maintain observability features: large-scale data ingestion/storage/processing, visualization tools, frontend integrations, reliability via testing, and collaborate across product, design, and infrastructure while engaging with open-source communities and user feedback.

Design, build, and maintain Solana programs and backend services that integrate with Solana, EVM, and Stellar. Scale on-chain infrastructure for high-volume transactions and data ingestion, drive architecture and product roadmap decisions, and ship secure, reliable capabilities to customers.

As a Senior Full-Stack Software Engineer, you will develop and enhance software platforms, focusing on backend services, APIs, and front-end applications, while mentoring junior developers and collaborating with cross-functional teams.