Top Associate Software Engineer Jobs in NYC, NY

Build, optimize, and maintain software systems using AI while collaborating across disciplines to develop user-focused solutions. Apply secure coding practices, participate in code reviews, and contribute to high-quality features. The role involves working with front-end or back-end technologies, databases, cloud platforms, and AI-assisted development in a mission-driven healthcare technology environment.

Develop and maintain customer-facing web and mobile application features using modern frameworks and languages. Collaborate with product, design, QA, and backend engineering teams to deliver scalable, performant, maintainable software. Write documentation, conduct code reviews, integrate AI coding tools, and expand full-stack capabilities while solving ambiguous technical problems and supporting rapid project delivery.

Develop and maintain enterprise applications using Java, microservices, distributed systems, relational databases, and cloud-native technologies. Collaborate with Agile teams throughout the software development lifecycle, implement data models and knowledge graphs, and build RESTful APIs, ETL pipelines, and containerized applications. Apply DevOps, CI/CD, automation, fault tolerance, observability, and Linux-based development practices using technologies including Spring, Kafka, Docker, Python, Stardog, Grafana, Splunk, Jenkins, and GitLab CI.

Develop, test, debug, and maintain game software for console, PC, and mobile platforms. Collaborate with artists, designers, and engineers to define and implement features, deliver systems to specification, provide ongoing technical support, and balance scope, quality, and development pace.

Build and maintain scalable Python-based AI applications under senior guidance. Assist with requirements, feature implementation, data modeling using Pydantic, code reviews, troubleshooting, testing, and CI/CD. The role requires collaboration, communication, and willingness to learn modern Python tools, frameworks, and libraries. Candidates should understand object-oriented programming, REST APIs, large language models, and AI coding tools. The position is fully remote within the United States.

Design, build, and maintain developer-facing SDKs and AI-powered automation workflows. Own public API design, packaging, semantic versioning, documentation, and PR lifecycle. Collaborate with web, mobile, backend, product, and design teams to ship features, integrate APIs, and ensure backward compatibility and developer experience.

Develop and maintain Jefferies' high-performance fixed-income e-trading platform focused on credit products. Build scalable, highly available real-time trading applications, support existing infrastructure (ION, Java, Kdb), collaborate with traders and quants to gather requirements, and champion SDLC and test-driven development while balancing delivery with governance and compliance.

Investigate and resolve client-reported technical issues across web and mobile platforms, perform scenario-based testing, monitor and debug RESTful services, assist with eligibility file processing and system monitoring, coordinate with global support teams, and participate in design and code reviews to ensure platform reliability and scalability.

The System Engineer will manage, modernize, and integrate physical security platforms, ensuring reliability and compliance, while streamlining operations through automation and data management.