Top Design Engineer Jobs in NYC, NY

Build and maintain FloQast’s coded design system and component library using React and TypeScript. Partner with platform and global engineering teams, standardize UI patterns, manage design tokens, documentation, accessibility, visual testing, and versioning. Prototype AI-native interfaces, enable designers and PMs to contribute front-end code, audit legacy UI, and improve performance across complex enterprise SaaS workflows and financial dashboards.

Designs pre-sales infrastructure and network solutions for client onboarding, connectivity, and integration projects. The role analyzes application flows across firewalls, load balancers, routers, and related infrastructure; presents technical designs to clients, vendors, and partners; documents solutions using PowerPoint and Visio; and coordinates troubleshooting across teams. Experience in regulated financial technology environments and familiarity with network observability tools such as Splunk or Forward Networks are valued.

Design and build frontend experiences and components for the Cloudflare dashboard. Collaborate with design and systems engineers, own code from inception to release, and improve developer experience. Debug, optimize, and identify failure modes in large-scale frontend and distributed systems.

Own and evolve WRITER’s design system across design and engineering. Build production-quality React interfaces, reusable components, animations, and polished interactions while maintaining accessibility and consistency. Architect design-system primitives, synchronize Figma, documentation, and Storybook, improve design-to-code workflows, and drive adoption across the organization. Partner with designers, product managers, and engineers on AI product surfaces, including tool-call interfaces, streaming responses, agent states, and dynamic rendering.

Assists with the planning, design, analysis, and implementation of bus priority street infrastructure. Responsibilities include geometric layouts, traffic studies, bus speed assessments, safety analyses, CAD drawings, signal priority treatments, field inspections, shop drawing reviews, GIS and engineering record maintenance, and coordination with planners, MTA staff, engineers, utilities, and community stakeholders. Ensures designs comply with ADA standards, MUTCD requirements, NYC guidelines, and Vision Zero principles.

Designs and optimizes active and passive silicon photonic components, especially Semiconductor Optical Amplifiers, through simulation, layout, tapeout, fabrication, and characterization. Performs electromagnetic, thermal, and multiphysics modeling; analyzes wafer-level data; develops robust III-V/Si integrated designs; and collaborates with system designers, layout engineers, and foundry partners to improve manufacturability and performance.

Leads wireless communication systems design for FPGA-based software-defined radios. Responsibilities include RF transceiver architecture, system validation, calibration, Crest Factor Reduction, Digital Predistortion, AGC optimization, interference mitigation, RF/FPGA/DSP troubleshooting, performance analysis, and collaboration across engineering teams. The role requires extensive experience with 802.11 systems, RF components, laboratory equipment, simulation tools, and wireless PHY design.

Lead architecture and development of large-scale silicon photonic integrated circuits from simulation and layout through tapeout and characterization. Own chip-level specifications, optical routing, floorplanning, DFM, verification, foundry execution, and performance validation. Provide technical leadership across photonic, packaging, electronic IC, software, and test teams while developing component libraries, evaluating PDKs, and translating wafer-level measurements into design improvements.

Design and engineer consumer products for OXO, Hydro Flask, and Osprey from concept through pilot production. Responsibilities include mechanical design, product architecture, CAD modeling, prototyping, testing, design for manufacturability, manufacturing-process development, and collaboration with industrial designers and manufacturing partners. The role also supports resolving production issues, meeting project schedules and budgets, and presenting design status and test results.

Leads full-lifecycle mechanical design for defense systems, including 3D modeling, assemblies, drawings, engineering analysis, material and process selection, prototyping, testing, and production support. Collaborates with electrical, software, project management, and manufacturing teams; documents designs and test results; and drives optimization, cost reduction, and process improvements. Requires mechanical engineering expertise, CAD proficiency, GD&T knowledge, and the ability to obtain and maintain a security clearance.

Perform transistor-level layout for RF, mixed-signal, and analog RFID IC blocks. Collaborate with analog and digital designers on floorplanning, pin placement, power distribution, routing, matching, electromigration, and signal coupling. Conduct layout reviews, resolve DRC/LVS/ERC issues, support advanced semiconductor process nodes, and coordinate layout schedules and floorplan activities.

Leads telecommunications infrastructure design and delivery across structured cabling projects, managing requirements, drawings, specifications, budgets, contractors, testing, construction milestones, quality assurance, and project closeout. Collaborates with stakeholders, architects, general contractors, integrators, and engineering teams to deliver resilient, secure, auditable infrastructure solutions. Applies authorized AI tools to infrastructure analysis and documentation while validating outputs and protecting sensitive data. Domestic travel of approximately 20% is required.

Designs, simulates, lays out, and validates integrated photonic components and circuits. Performs PIC wafer and yield data analysis, supports packaged PIC validation, and contributes to integrated photodetector development through modeling, characterization, testing, and qualification. Collaborates cross-functionally on silicon photonics development and may grow into technical ownership of photodetector programs.

Performs ASIC power analysis, physical design, and PPA optimization across RTL, gate-level, synthesis, physical design, timing, and power flows. Builds activity inputs, correlates power estimates, identifies power contributors, evaluates reduction strategies, and supports low-power UPF implementation. Automates analysis and reporting using TCL, Python, Make, and CI systems while debugging ASIC flows and communicating findings to design teams.

Designs, develops, and routes electrical wire harnesses for aerospace systems. Ensures designs meet project specifications and industry standards, collaborates with multidisciplinary engineering teams, participates in design reviews, prepares engineering documentation, and supports design updates throughout the development lifecycle.

Owns complex board-level RF circuit and antenna designs from architecture and simulation through debugging, regulatory compliance, and factory bring-up. Designs transmitters, receivers, antennas, power supplies, and supporting circuits across 800 MHz–8 GHz. Responsibilities include prototyping, component selection, lab testing, EMI/EMC troubleshooting, root-cause analysis, product integration, and collaboration with manufacturing partners. The role also contributes to product requirements, technology roadmaps, and RF innovation patents.

Design and review green infrastructure, cloudburst management, roadway, water, and sewer projects for NYC. Responsibilities include hydrologic and hydraulic assessments, engineering drawings, specifications, cost estimates, field investigations, technical reporting, consultant oversight, interagency coordination, and sustainable stormwater design. The role also evaluates innovative materials and digital tools while supporting climate-resilient capital project delivery.

Design and release precision mechanical hardware, housings, assemblies, tooling, fixtures, and alignment systems for LiDAR sensors. Create manufacturing-ready drawings using GD&T, perform tolerance analyses, manage engineering changes and BOMs, support optical assembly, collaborate with suppliers and cross-functional engineers, and iterate prototypes toward production.

Assists lead engineers with civil design and construction-phase support for water supply and wastewater infrastructure. Prepares drawings, calculations, specifications, site plans, piping plans, grading and drainage plans, and stormwater-management documents. Conducts field investigations, reviews shop drawings and information requests, supports change orders and schedules, coordinates with multidisciplinary stakeholders, and documents project issues and resolutions.

Design and build conversion-focused landing pages, campaign sites, and brand experiences from concept through production front-end code. Maintain corporate and marketing websites, implement technical SEO, collaborate with design, marketing, product, engineering, and DevOps teams, and perform design QA and cross-browser testing. Manage multiple initiatives, communicate decisions, and ensure accessible, high-performance web experiences.

Design and optimize silicon photonic components, including switches, waveguides, couplers, splitters, mode converters, and photodetectors. Perform electromagnetic and multiphysics simulations, develop layouts and test structures, support foundry tapeouts, analyze wafer-level characterization data, and improve manufacturability and performance. Collaborate with system designers, layout engineers, and foundry partners to deliver integrated photonic devices.

Develops innovative RF, SerDes, and mm-wave integrated circuits and systems from architecture through silicon validation. Responsibilities include circuit design and simulation, RF and system characterization, electromagnetic modeling, PCB development, competitive benchmarking, technology transfer, and collaboration with process, packaging, business-unit, customer, and university research partners.

Create and revise production-ready parametric 3D CAD models, mechanical parts, and assemblies using FreeCAD or comparable software. Produce engineering drawings with GD&T and tolerance stack-ups, design for sheet metal, CNC, plastics, and injection molding, and validate CAD models for manufacturability. Prepare technical documentation and assembly instructions for AI model training, incorporate reviewer feedback, and ensure accurate manufacturing handoff.

Leads mechanical product development, conceptual and detailed design, engineering analysis, prototyping, design reviews, and new product introduction. Collaborates with industrial designers, customers, manufacturing, sales, and engineering teams to resolve technical issues and ensure products meet performance, quality, regulatory, and manufacturability requirements. Performs FEA on plastic and metal designs and supports APQP, DFMEA, PFMEA, testing, documentation, and product release.

Reviews coding problems derived from production repositories for fairness, clarity, technical soundness, and test quality. The role involves assessing code changes across unfamiliar stacks, identifying coherence issues or missing context, and writing concise justifications. Work is fully async and part-time, requiring independent judgment, strong software engineering fundamentals, and clear English writing.