Top Software Engineer Jobs in NYC, NY

The Senior Full Stack Software Engineer II at Upside is responsible for developing high-quality software, collaborating with cross-functional teams, mentoring other engineers, and driving improvements in system performance and quality.

The Software Engineer will build core systems for Assembled's platform, focusing on infrastructure, data platforms, and integrations, ensuring reliability and scalability for support operations.

As a Software Engineer on the Observability team, you will develop and maintain scalable systems for telemetry data processing, enhance monitoring, collaborate across teams, and engage in on-call rotations.

The Software Engineer in Product Infrastructure will shape core frameworks, design new systems, solve complex technical challenges, and improve developer productivity by integrating various technologies like AWS and TypeScript.

Design, maintain, and evolve core backend systems and APIs. Collaborate with product teams to create durable and reusable systems while enhancing performance and security.

As a Software Engineer in Growth, you'll develop full-stack features, collaborate on product strategies, and drive key business outcomes through data-driven experimentation.

The Software Engineer 3 will develop and manage MongoDB Atlas, enhance backup infrastructure, and work with product teams on web application performance and reliability.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

As a Search Engineer, you'll build a top-notch search experience for users, focusing on taxonomy, search algorithms, and content understanding. You will apply statistical and machine learning methods while shipping features rapidly.

Lead AI-driven development efforts, modernize engineering processes to enhance quality and speed in software development, and implement best practices for AI tools.

The Software Engineer II will design and implement features for the Developer Experience platform, focusing on CI tools, test systems, and integrations. Responsibilities include end-to-end ownership of projects, code reviews, and onboarding new team members.

The Software Engineer will design, develop, and maintain banking features for Cash App, collaborating closely with teams to implement reliable, customer-focused solutions.

As a Software Engineer on the Application Framework team, you will develop APIs, SDKs, and services that enhance application development using AI tools, contribute to design and production projects, and support production systems.

Develop client-side solutions and APIs for Spectacles, maintaining AR software in a constrained environment and collaborating with cross-functional teams.

Software Engineers at Opto develop solutions for complex business problems, engage in all phases of product development, and foster collaboration within the team.

As a Software Engineer, you will own large projects, improve system performance, mentor junior developers, and enhance processing infrastructure.

Implement software features for trading systems, debug issues, maintain code quality, mentor junior developers, and collaborate with teams. Requires a Bachelor's in a related field and one year of experience.

The Software Engineer will implement features for trading systems, design solutions, debug issues, ensure system reliability, participate in code reviews, and mentor junior developers.

As a Software Engineer at Kepler, you'll develop backend systems, manage data pipelines, and integrate AI for financial applications, ensuring production excellence and scalability.

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.

As a Software Engineer III, you will focus on petabyte-scale data ingestion, solving distributed systems challenges, and collaborating on cross-team initiatives while ensuring high-quality feature delivery.

As a Software Engineer, you will develop and maintain customer-facing banking features, collaborating closely with teams to enhance user experiences in Cash App.

Lead and mentor a team of software engineers, focusing on AI-native workflows and rapid execution. Collaborate on technical solutions and ensure high-quality, scalable code.

Lead and mentor a team of software engineers to enhance development speed and quality, focusing on AI-native workflows and technical solutions. Conduct collaborative design and code reviews while driving high-leverage outputs with minimal technical debt.

The role involves leading a team of engineers in software development, focusing on AI-driven processes, mentoring, and ensuring high-quality output.