Backend Engineer Jobs in USA

Senior Backend Engineer Location: On-site in New York City New York (relocation required if not local)Work Setup: Office-first environment - in-person most days during the weekVisa Sponsorship: Not available Role Summary We are hiring multiple Senior Backend Engineers to design and build high-throug...

About the Role Were looking for a BackEnd Engineer to join our growing team and help architect the backend services that power our web3 payments infrastructure. This role is foundational to the success of our platform and will shape how payments settlement and transaction routing are handled across...

Senior Backend Engineer - Onsite - San Francisco CA Experience at well-known top tech companies either tier-1 VC-backed or FAANG is mandatory. Experience with an OLAP or columnar database (e.g. ClickHouse) Experience designing and building scalable backend systems We are looking for a Senior Backend...

Senior Backend Engineer (Generalist) Ellipsis Labs About Ellipsis Labs Ellipsis Labs is a profitable venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance. The company is the developer of Phoenix the leading order book spot exchange on the...

Backend Engineer - Redwood City CA (Onsite) We are looking for a Software Engineer (back-end focus) with 5 years of experience to join our early-stage fast-moving team. We are seeking a high-agency individual with strong programming fundamentals who is eager to learn and solve challenging problems i...

About Senpi Senpi is building the agent runtime for Hyperliquid. Backed by $4.5M from Lemniscap and Coinbase Ventures the company develops agentic execution infrastructure a proprietary data layer (Hyperfeed) and an open-source strategy marketplace for autonomous AI trading agents. Hyperliquid is th...

About the Company Ellipsis Labs is a profitable venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance. The company is the developer of Phoenix the leading order book spot exchange on the Solana blockchain and a top 10 DEX (decentralized ex...

Backend Engineer (Ruby on Rails) ContractLocation: Fully Remote (United States)Compensation: $45$55/hour (1099 or Corp-to-Corp)Duration: 12-month contractHours: 40 hours/weekAbout the RoleA growing technology company is seeking a Backend Engineer with strong Ruby on Rails experience to help build a...

About the Role As a Senior / Staff Backend & Platform Engineer at Moonshot youll own some of the most critical systems in our stack:identity and access funds movement and ledgering and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading...

About Senpi Senpi is building an AI-powered crypto wallet that trades and protects alongside users. The platform already supports autonomous agents real-time trading and a growing ecosystem of strategies. About the Role Youll own: The backend systems powering the agent runtime Migration of model...

About MercorMercor is defining the future of work. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development. Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge experience and context tha...

DescriptionLocation:Remote - /- 3 hours from CET (EST / Europe preferred)Remote Full-timeCompensation:$90K - $150KWe are hiring on behalf of ourclient in the high-growth Web3 and DeFi sector who is seeking a Senior Backend Engineer to join its core Platform team. This organization builds and evolves...

Healthcare is broken at the first step: patients cant find the right care understand what it costs or access the medications they need. Mochi Health is fixing this.Were building an AI-driven marketplace that makes healthcare discoverableconnecting patients to the right providers transparent pharmacy...

Aerostrat is a fast-growing B2B SaaS company building a complete maintenance planning solution for the aviation industry. Our core product Aerros enables our customers to plan all the maintenance on hundreds of aircraft in a matter of minutes. Our solution helps customers understand the cost and eff...

The pay range is $75400.00 - $135700.00Pay is based on several factors which vary based on include labor markets and in some instancesmay include education work experience and addition to your pay Target cares about and invests in you as a team member so that you can take care of yourself and your...

The pay range is $75400.00 - $135700.00Pay is based on several factors which vary based on include labor markets and in some instancesmay include education work experience and addition to your pay Target cares about and invests in you as a team member so that you can take care of yourself and your...

About AirwallexAirwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software we empower over 200000 businesses worldwide including Brex Rippling Navan Qantas SHEIN and many more with fully integrate...

The OpportunityIf youve worked alongside hardware teams you know the damage that results from a missed change request or critical context that was never relayed to the right person. Reflow exists to close that gap. Were building the first AI-powered platform purpose-built for hardware product develo...

Archer is an aerospace company based in San Jose California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable air mobility. We are designing manufacturing and operating an all-electric aircraft that can carry four passengers while pr...

About AirwallexAirwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software we empower over 200000 businesses worldwide including Brex Rippling Navan Qantas SHEIN and many more with fully integrate...