Top Entry Level Software Engineer Jobs in NYC, NY

Develop and maintain full-stack healthcare applications using C#, .NET, ASP.NET Core, JavaScript, and SQL Server. Design APIs, services, background jobs, database procedures, and responsive interfaces; troubleshoot across application and deployment layers; write automated tests; modernize legacy systems; build secure healthcare integrations; and protect sensitive data. Collaborate with product, QA, support, and implementation teams while participating in design reviews, code reviews, testing, and release validation.

Build and operate backend services and APIs, design data models, optimize relational databases, create third-party integrations, and improve reliability, security, and observability. The role includes writing tested code, participating in reviews, investigating production issues, and contributing to technical decisions. Preferred experience includes distributed systems, background jobs, event-driven architectures, caching, queues, and performance optimization.

Build and maintain backend services, REST APIs, cloud workspace provisioning systems, and resource orchestration infrastructure. Improve performance, reliability, scalability, and security while developing integrations, SDKs, and developer tools. Contribute to architecture and ship features from concept to production. The role requires strong TypeScript, JavaScript, and Node.js skills, backend and database knowledge, and familiarity with Docker, Linux, and cloud infrastructure.

Build and ship end-to-end memory and search experiences across Claude products, from backend services and retrieval infrastructure through model tools and user interfaces. Run user-facing experiments, improve retrieval relevance and ranking, define product metrics and evaluations, and ensure privacy, consent, enterprise controls, latency, reliability, and product quality. Collaborate closely with product, design, legal, privacy, and safeguards teams while participating in on-call responsibilities.

Design, implement, and optimize GPU software for LLM training using CUDA, WebGPU, and GLSL. Profile and tune GPU kernels and shaders for performance, and develop host-side integrations in C++. The contractor will complete output-based tasks, meet minimum weekly submission requirements, and begin work shortly after onboarding.

Staff Software Engineer responsible for designing and developing backend services, APIs, and data models powering healthcare scheduling and availability systems. The role leads architecture for complex, scalable scheduling logic, drives cross-team technical initiatives, ensures operational excellence, collaborates with product and design teams, mentors engineers, and contributes to engineering quality. Primary technologies include C#/.NET and AWS, with opportunities to work across the stack using React and TypeScript.

Develop custom customer integrations and provide Bubble.io guidance. Build and maintain Salesforce, HubSpot, and other CRM integrations; manipulate data with Python and Pandas; design AWS Lambda microservices; support client onboarding and collaborate with the development team to improve the platform.

Build and maintain Plane’s cross-platform Flutter mobile app, owning features from interface through data and native integrations. Work on widgets, notifications, webview-based editing, caching, persistence, and compatibility across multiple server versions. Collaborate with backend, design, product, and QA teams while writing tests and maintaining consistent architecture. The role requires production Flutter experience, clean architecture, Bloc-based state management, dependency injection, unit and widget testing, and familiarity with native Android and iOS development.

Build and support reliable dashboards for AI infrastructure and financial models, including TCO, tokenomics, and compute capital models. Responsibilities include implementing features, loading model releases, validating data, developing accuracy checks, collaborating with analysts, creating charts and explanations, answering client questions, and contributing to research newsletters. The role requires strong Python or TypeScript skills, software engineering experience, numerical accuracy, and effective use of AI coding agents.

Build and maintain core products and collaborate on larger consulting projects using TypeScript, Python, FastAPI, Next.js, GCP, and generative AI frameworks. The role involves hands-on software development within a rapidly growing, remote team serving Saudi Arabia and the GCC.

Build and ship production features across backend services, APIs, frontend systems, AI-native healthcare infrastructure, EMR, and billing platforms. Collaborate with engineers, product managers, and designers; write clean, tested code; participate in code reviews; and own projects from concept through production.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Design, build, and scale full-stack platform systems across frontend and backend services. Develop production features powered by AI and machine learning, create polished user experiences, and collaborate cross-functionally to deliver reliable software. Own technical design and implementation from concept through release and ongoing improvement. The role requires TypeScript, PostgreSQL, modern web framework and cloud experience, AI tooling knowledge, and willingness to work hybrid in New York.

Design, build, and maintain reliable back-end web systems for an online platform while contributing across the full stack. Collaborate cross-functionally, develop and improve application code, implement scalable solutions, participate throughout the software development lifecycle, and support a database migration. The role requires full-stack product engineering experience, daily AI-assisted development, Postgres proficiency, startup or rapidly scaling company experience, curiosity, and on-site availability in New York City.

Build high-scale internal observability systems covering metrics, logs, traces, cost attribution, chargeback, compliance, and auditing. Partner with backend and platform teams to instrument services, evaluate observability infrastructure, and scale systems for Vercel’s production traffic. The role requires TypeScript, production experience with Go, Rust, or Zig, distributed systems expertise, cloud infrastructure knowledge, and familiarity with observability tooling.

Build internal tools, applications, automations, and integrations that improve Solutions Architecture workflows. Partner with Solutions Architects to understand needs, rapidly prototype solutions, and deliver production-quality tools. Own projects end to end, integrate APIs and data sources, and collaborate with Engineering and Product teams when tools connect to Eon’s core platform.

Build and operate full stack, data-powered web applications using React, Next.js, Vercel, Snowflake, and SQL. Responsibilities include developing dashboards, ETL and reverse ETL pipelines, analytical data infrastructure, data visualizations, and AI-enabled user experiences. The role also involves integrating LLMs, supporting CX and marketing systems, and shipping production applications end to end.

Build and own end-to-end technical solutions for strategic customers, including architectures, product features, and full-scale integrations. Collaborate with customer engineers and executives, apply Python and software development expertise to solve complex problems, and communicate technical concepts clearly. The role is remote-first in the United States with regular travel to customer onsite engagements.

Build software as part of SpaceXSI’s full super-intelligence stack, spanning Colossus supercomputers, Grok models, and applications such as Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. The description provides no specific responsibilities, qualifications, programming languages, or experience requirements.

Build and own Braintrust’s billing systems, including usage metering, subscriptions, entitlements, invoices, credits, payments, reconciliation, and observability. Design scalable architectures for usage-based pricing, plan enforcement, account state, and billing workflows. Partner with product, infrastructure, finance, and customer-facing teams while developing internal tools and APIs to investigate anomalies and manage credits. This role requires deep backend expertise and ownership of billing correctness and scale.

Develop and maintain backend services and APIs for Twilio’s communications platform. Responsibilities include designing, deploying, operating, and reviewing software, supporting production operations and on-call rotations, collaborating with a small engineering team, and writing technical documentation. The role requires Go or Java experience and values familiarity with DynamoDB, AWS, Docker, Kubernetes, and Temporal.

Build and ship frontend features for a financial marketplace using React and Next.js. Collaborate with product, design, and backend engineers; contribute to architecture, component design, code quality, tooling, and the shared component library. Own work from design through delivery, participate in pairing and code reviews, and use AI-assisted development tools thoughtfully.

Build and ship end-to-end features for Augment’s iOS app, collaborate closely with product, design, backend, and fellow iOS engineers, and contribute to architecture, code quality, tooling, and long-term product health. The role emphasizes Swift and SwiftUI development, ownership, thoughtful collaboration, feedback, and effective use of AI-assisted development tools.

Own the end-to-end development of a healthcare technology platform, including data models, APIs, backend logic, payments, AI-assisted workflows, automation, and user-facing products. The engineer will make architecture decisions, ensure security, compliance, reliability, and production quality, and work directly with users to solve complex operational problems. Strong Python, NoSQL database, product engineering, and system design experience are required.

Build and ship full-stack features for an AI platform, collaborating directly with customers to understand workflows and turn pain points into reliable products. Own delivery from specification through production, including data models, APIs, front-end development, testing, monitoring, and iteration. The 12-month in-person program also provides exposure to sales, leadership, startup operations, investors, and company building.