Top Tech Jobs & Startup Jobs in NYC, NY

Design and deliver user-centric web and mobile experiences: wireframes, flows, high-fidelity mockups, and interactive prototypes. Build and maintain design systems, run UX research and usability testing, optimize for accessibility, responsiveness, and performance, and collaborate with product, engineering, and marketing on fintech investor flows.

Design, build, and maintain scalable, high-performance iOS applications using Swift. Deliver end-to-end features, integrate with back-end services, implement animations and Auto Layout, ensure test coverage and CI/CD, profile and optimize performance, and mentor team members.

Design and build scalable native iOS and Android features using Swift and Kotlin. Integrate with backend services, optimize performance, write unit tests, maintain code quality, and lead end-to-end delivery of mobile product modules.

Source and identify strong-fit candidates for hiring roles at partner Seed-Series B startups. The role involves talent sourcing for Builders’ startup clients and is fully remote, with optional access to the San Francisco office.

The Network Engineer plans, tests, documents, and implements network hardware, software, configuration, routing, and interoperability changes across DLA WAN, DISN, cloud, core, and remote networks. Responsibilities include developing implementation and assessment plans, conducting laboratory evaluations, creating network designs and maps, preparing test and after-action reports, defining requirements, analyzing telecommunications needs, supporting network services, and recommending routing and configuration improvements. The role requires hybrid onsite work and SIPR-related support.

Designs, implements, integrates, and sustains enterprise identity, access management, directory, and authentication services across hybrid cloud and multi-domain environments. Ensures compliance with DoD guidance while supporting mobile connectivity and millions of users. Provides engineering support for DHA projects, incorporates emerging technologies, maintains technical documentation, and collaborates with program offices, customers, technical leaders, and senior executives.

Leads the design, development, testing, troubleshooting, and support of complex full-stack applications, integrations, APIs, databases, and enterprise technical solutions. Provides architecture and solution design leadership, resolves complex technical issues, mentors developers, establishes development and documentation standards, supports large-scale initiatives, and collaborates with stakeholders and vendors. Participates in on-call support and maintains required vendor or industry certifications.

Source and qualify new business, deliver presentations and demos, close deals to grow subscriptions and revenue, maintain CRM records, build executive relationships, and provide product feedback.

Provides HR operational and administrative support across employee inquiries, Workday transactions, onboarding and offboarding, leave administration, performance management, employment verification, unemployment claims, records, and compliance. Coordinates I-9 and E-Verify processes, maintains HR data and trackers, prepares reports, supports training, conducts exit interviews, and partners with HRBPs, Legal, vendors, managers, and employees while maintaining confidentiality and improving HR processes.

Designs, develops, tests, and implements client, server, and web-based applications. Provides mentorship and training to IT staff and end users, responds to support calls, and investigates, resolves, and documents incidents and problems.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Design, develop, and execute automated tests, perform API and performance testing, identify and document defects, collaborate with cross-functional teams to ensure product quality and resolve issues.

Build and maintain reproducible data pipelines, experiment orchestration, CI/CD for models, Terraform-based ML infrastructure, observability, security controls, and automation to deploy and operate ML systems in production.

Design, train, and deploy scalable ML models (generative, classification, regression). Define feature roadmaps, collaborate with engineering to implement code and APIs, adapt ML methods for distributed/GPU environments, and create evaluation/annotation programs for fine-tuning and performance measurement.

Own net-new enterprise sales to AI-native companies and large enterprises. Run complex multi-stakeholder deals end-to-end: build champions, construct business cases, negotiate multi-year contracts, manage procurement, partner with product/engineering, maintain pipeline and CRM, forecast accurately, and travel periodically for accounts and events.

Lead and mentor a team of engineers while contributing hands-on to complex features. Define architecture, drive development best practices, conduct code reviews, coordinate cross-functional requirements, and ensure timely delivery of high-quality ecommerce marketplace software.