Sr./Staff/Principal Software Engineer (Frontend/Fullstack)
$120k - $180kVoltaiq
Sr./Staff/Principal Software Engineer (Frontend/Fullstack) “The battery is the technology of our time.” -The Economist Voltaiq is an Enterprise Battery Intelligence (EBI) software company. Our data platform brings unprecedented analytics, visualization, and predictive capabilities to any company with a battery-powered business model. Our customers are world-leading brands — including global automakers (Mercedes, Subaru), household-name tech giants (Google, Meta, Amazon), and major battery producers and their materials suppliers (Albemarle, Sila Nanotechnologies) — depend on Voltaiq software to accelerate product development, optimize performance, ensure safety and reliability, and unlock financial value in their products. Our high-powered team is composed of battery industry veterans, PhD scientists, a highly skilled product and engineering team, and an advisory board of C-level industry execs, all of whom are passionate about enabling the global energy transition. Voltaiq is a USA-based fully-remote company serving customers around the world. The Role Voltaiq is seeking an exceptional Frontend/Fullstack Software Engineer to join our team as we build out the future of EBI data visualizations and user experiences. We are open to hiring at the Senior, Staff, or Principal level. You will work with other engineers and product managers to develop next-generation battery analytics software solutions to serve some of the world's biggest companies in automotive, consumer electronics, and battery manufacturing. Responsibilities: Design and develop web applications using Plotly, React, Django, and GraphQL Work with engineering leadership to shape future architectural decisions of Voltaiq’s Frontend Products, mentor team-mates, champion development best practices and keep abreast of new front-end technologies Work closely with the Product Management and Design functions, along with other engineers to understand requirements and design performant solutions Write clean, maintainable, and efficient code that meets business and technical requirements Perform unit testing and integration testing of developed code Own feature development from technical requirements gathering to deployment in production Participate in code reviews and provide feedback to other engineers Troubleshoot and debug issues in production and staging environments Required Skills & Qualifications: 3+ years of experience in developing web applications using React, Python, and GraphQL 2+ years of data visualization experience with tools like Plotly.js, D3.js, or similar Deep experience with frontend technologies such as HTML, CSS, TypeScript, and Jest Proficient in cloud computing (AWS, Azure, GCP) Experience with relational database technologies like SQL Experience with containerization technologies like Docker Experience with agile software development methodologies Experience with Git or similar Version Control Systems Strong communication and collaboration skills Strong problem-solving and analytical skills Highly-developed attention to detail, with a drive to deliver intuitive and beautiful solutions to complex analytical workflows Comfortable working in a linux environment Bachelor's degree in Computer Science, Engineering or a related field or comparable experience A passion for working to help accelerate the global transition to sustainable energy Experience in the battery industry is a plus Additional Skills & Qualifications: Experience with React Relay Experience developing from Figma or similar design tools Experience with Django Experience with numpy and pandas Experience with generative AI a plus Voltaiq is a remote-first company, and salaries are adjusted for cost of labor in each city. The salary range for this position is $120,000 - $180,000 + equity, depending on location and experience. Voltaiq is an equal opportunity employer and is committed to achieving a diverse workforce through application of its equal opportunity and nondiscrimination policy, in all aspects of employment. #J-18808-Ljbffr Voltaiq
$110k - $130k
..., we need a technical cornerstone—an engineer who will take deep ownership of our platform... ...for a master builder. As our first Staff/Principal Software Engineer, you will be the most senior... ...the integrations between our frontend platform and the Magento (PHP) backend...FullstackFront endRemote workFlexible hours- ...healthcare technology company based in New York is seeking a Fullstack Engineer to create intuitive, high-performance user interfaces. The... ...in this proactive role. A bachelor's degree and at least 5 years in frontend engineering are required. #J-18808-Ljbffr 3Y HealthFullstackFront endWork at office
$230k - $270k
...Principal/Lead Level Software Engineer The LangSmith team owns and builds LangChain's core platform for observability... ...from backend services and APIs to frontend product surfaces, and you'll play a... ...experience in backend or fullstack engineering on highly complex, production...FullstackFront endWork at officeFlexible hours$170k - $190k
...Sr. Fullstack Engineer Hybrid (NYC) $170k - $190k Base + bonus & equity Overview... ...~ Prior experience operating at principal, lead, or staff engineer level ~ Expert proficiency... ...concepts and immutability in modern frontend systems ~ Advanced knowledge of automated...FullstackSeniorFront endWorldwide$200k - $250k
...3Y Health, we are building AI-driven software to empower healthcare providers and solve... ...About the Role We are seeking a Fullstack Engineer to help us craft intuitive, high-... ...reusable, performant, and accessible frontend components using React and TypeScript...FullstackFront endWork experience placementPrivate practiceWork at office- ...technical expertise with a commitment to creative excellence. The Staff Software Engineer at Black Airplane will play a pivotal role in shaping the... ...(US only). Requirements Lead the development of core frontend and backend architectural strategies, ensuring the scalability...FullstackFront endFull timeRemote workFlexible hours
$200k - $250k
...3Y Health, we are building AI-driven software to empower healthcare providers and solve... ...8VC. About the Role We are seeking a Fullstack Engineer to help us craft intuitive, high-... ...reusable, performant, and accessible frontend components using React and TypeScript...FullstackFront endWork experience placementPrivate practiceWork at office$166.2k - $304.7k
...we'd love to meet you. What we do Our Lead Senior Staff Software Engineers are end-to-end owners who will participate in all aspects... ...components at platform scale. We own the shared design patterns and frontend frameworks that empower other teams to ship features...FullstackSeniorFront endFull timeTemporary workLocal areaWorldwide$150k - $220k
Product engineers at Prospyr create the software we ship to our users, in particular our core platform for AI-driven... ...environment. You blend excellent fullstack engineering with a taste for... ...fullstack applications using React for frontend, TypeScript for type-safe...FullstackFront endRemote work- ...Principal Software Engineer Uniti AI is a New York City–based Series A startup building advanced AI sales and support agents for the real estate industry. As a Principal Software Engineer at Uniti AI, you will set the technical direction and lead the development of...Flexible hours
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Position Summary We are hiring a Staff Full Stack Software Development Engineer with strong React and .NET 8.0 experience to join our Data Engineering team... ...) and .NET 8.0 + ASP.NET Core + gRPC. Build frontend interfaces and backend services, including data models...FullstackFront endFull timeTemporary workWork experience placementLocal area$143k - $197k
...Role We’re looking for an exceptional Sr. Fullstack Engineer to join our team. We care deeply about... ...designing backend APIs to implementing the frontend components that will consume them... ...promote best practices during all phases of software development, adhering to the highest...FullstackSeniorFront endFull timeRemote work$190k - $199k
...transformation with useful data. Redox Engine, a flexible interoperability platform,... ...customers. Opportunity & Impact As a Staff Software Engineer at Redox, you are a technical... ...services, data persistence, and modern frontend frameworks like React/TypeScript). Comfortable...FullstackFront endImmediate startRemote workFlexible hours$170k - $300k
...Senior Software Engineer - Frontend Full-time | On-site | New York, NY (Manhattan) Salary: $170k - $300k | Equity: Competitive About... ...building production-quality frontend applications (open to fullstack experience). ~ Strong proficiency in TypeScript and...FullstackSeniorFront endFull timeH1bRelocationVisa sponsorship$200k - $250k
...technology ecosystems. About the Role We're looking for a Principal Software Engineer, Full-Stack AI to own the end-to-end technical vision for... ...traversal. Collaborate on or directly contribute to frontend experiences that make AI outputs understandable,...FullstackFront endLocal area$211.7k - $292k
...application performance, accessibility, and reliability Drive engineering excellence through best practices in testing, monitoring,... ...to ensure consistent application of best practices across the frontend platform Collaborate closely with product managers, designers...FullstackFront endLocal areaFlexible hours$150k - $300k
...Combinator, and are looking for passionate engineers to help us continue to scale. If you’... ..., making thoughtful tradeoffs across frontend and backend Collaborate with our CTO... ...of ambiguity were essential You’re a fullstack generalist, with specific experience in...FullstackFront endWork at officeRelocationRelocation packageFlexible hours$275k - $300k
...Principal Software Engineer Most of what makes American healthcare expensive isn't medical care. It's the machinery wrapped around it: middlemen... ...end-to-end: product architecture, backend systems, frontend experiences, AI workflows, and production deployment. What...FullstackFront end$220k - $250k
...Job Description Job Description Fullstack Software Engineer | AI-Native Healthcare Platform Location: New York, NY (In-Person) Experience... .... The Tech Stack Backend: Python (Primary) Frontend: React, Next.js, TypeScript Infrastructure: AWS Who...FullstackFront endWork at office$175k
...provide the absolute best environment for software creators to pursue their passion by... ...We're looking for a h ands-on Principal Software Engineer who thrives in complex, fast-moving environments... ...operating across backend systems, frontend interfaces, infrastructure, and...Front endFull timeRemote work- ...grown rapidly over the past year, and the engineering team is scaling meaningfully heading... ...What You Bring ~7+ years of production software engineering experience as a strong individual... ...TypeScript and React exposure on the frontend Background in B2B SaaS, proptech, or...FullstackFront endFull timeWork at officeRemote workShift work2 days per week3 days per week
- ...architecture on both sides of a feature. ~ Pulling in our frontend or backend specialists when something needs real depth, and handling... ...Who You Are ~ At least five years building and shipping fullstack work. Depth matters more to us than the number. ~...FullstackSeniorFront endShift work
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- Framework Ventures is seeking a Senior Software Engineer to build AI capabilities across their core equity platform in the United States.... ...role involves end-to-end delivery from backend services to frontend features. The ideal candidate has over 5 years of experience...FullstackSeniorFront end
- Framework Ventures is seeking a Senior Fullstack Engineer to join their team in the United States. This role focuses on frontend onchain engineering, where you'll build and maintain... ...With a requirement of at least 5 years in software engineering, the ideal candidate should...FullstackSeniorFront end
- ...Financial Institution Software Engineer Watershed is the enterprise sustainability platform. Companies like Airbnb, Carlyle Group, FedEx... ...and maintainable code across our technical stack Own our frontend architecture, planning ahead to enable the team to build...FullstackFront endWork at officeRemote work
$215k - $255k
Machinify Inc. seeks a Staff or Senior Fullstack Engineer to work remotely across the US. You will leverage extensive programming expertise to design... ...systems. With over 10 years of experience in both frontend and backend programming, you'll join a high-visibility team...FullstackSeniorFront endRemote work$170k - $240k
A mission-driven technology firm in New York is looking for a Senior Fullstack Engineer. In this role, you will build impactful products for low-income Americans, working across frontend and backend systems. Ideal candidates will have over 5 years of full-stack experience...FullstackSeniorFront endRemote job$175k - $200k
...Job Description Job Description Sr. Software Engineer We're looking for a strong full stack engineer to join a collaborative, fast-moving... ...stack and willingness to work with the stack we use: ~ Frontend: React, JavaScript & TypeScript (React Native for Mobile)...FullstackSeniorFront endShift work- ...Job Description Job Description Sr. Manager of Software Engineering (On-Site, NYC) Company: Confidential (Top-Tier Life Sciences Tech Company... ...by keeping the stack on the latest stable releases: Frontend: ReactJS, Material-UI, JSS, GatsbyJS Backend: Python...FullstackSeniorFront endFull timeLive inRelocationShift work
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