Backend Engineer - Web3 & Smart Contracts
deCircle
A dynamic tech company in California is seeking a highly skilled Backend and Smart Contract Engineer. The role involves designing and developing core APIs, deploying smart contracts, and collaborating with a driven team. The ideal candidate has over 3 years of backend experience, strong skills in Python and Solidity, and thrives in fast-paced, startup environments. This is an exciting opportunity to contribute to innovative solutions in the Web3 space. #J-18808-Ljbffr deCircle
- A leading Web3 technology firm in the San Francisco Bay Area is seeking a Backend / Smart Contract Engineer to develop the core infrastructure for their DeFi solutions. Candidates should have over three years of experience in backend engineering and hands-on smart contract...SuggestedContract work
- A leading DeFi company is seeking a Backend Developer to work remotely from anywhere in the world. Responsibilities include developing backend services for DeFi applications and engaging in smart contract development. Candidates should have at least 5 years in a backend...SuggestedRemote jobContract work
- Mercor is looking for a Backend Engineer to build core platform systems ensuring secure, reliable, and scalable operations in San Francisco. You will focus on Contracts and Identity & Access, developing infrastructure for backend services that support various complex workflows...SuggestedRelocation package
$180k - $220k
...Career Renew is recruiting for one of its clients a Senior Backend Engineer - Blockchain - this is a fully remote role for N America based... ...in TypeScript and/or Rust. ~ Basic understanding of smart contract development for EVM-compatible chains, and optionally for non...SuggestedContract workRemote workWorldwide- ...Backend Engineer Own the backend that powers Mem0's memory platform. You'll design clean REST APIs, model data across relational and... ...features. What You'll Do: Design & ship REST APIs: Define contracts, versioning, auth, rate limits; write migrations and docs....SuggestedWork at officeRemote work
$160k - $230k
...evaluation, and deployment data across raw, transformed, and feature-engineered layers Ensure backwards compatibility and feature versioning... ...any point in time Help define and enforce the principle of "smart data, dumb functions": doing as much as possible in the data...Work at officeFlexible hours- ...Backend Engineering Role At Sesame Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate... ...to share in the company's success with competitive stock options Benefits do not apply to contingent/contract workers....Full timeContract workFlexible hours
- ...primitives. You'll own the object models, contracts, and abstractions that every product... ...frontend; Node.js and Postgres on the backend; Temporal and Pulsar to power... ...Have 3+ years of backend or software engineering experience, with a track record of designing...Work at officeWork from homeFlexible hours
$100k - $130k
...technology empowers businesses and software engineers with a deploy-once, comply-and-secure-... ...We are looking for a highly skilled backend engineer who is comfortable with building... ...expert that gets things done by using their smarts and whatever tools make sense for the...Full time$155k - $250k
...organization in the SF Bay Area to identify a Full-Stack Product Engineer for a contract-to-hire opportunity. This role offers the chance to help... ...(Vite/shadcn) frontend and Python (FastAPI/Postgres) backend Own the full development lifecycle from early-stage...Hourly payFull timeContract workTemporary workLocal area3 days per week$150k - $190k
...which removes the need to code smart contracts by hand and enables... ...the role As a Frontend Engineer at Halliday, you'll build the... ...frontend stack. Innovate on Web3 UX : Push the boundaries of... ...when needed, including APIs and backend services. Design Sensibility...RelocationVisa sponsorship- ...Backend Full-Stack Engineer Software Guidance & Assistance, Inc., (SGA), is searching for a Backend Full-Stack Engineer for a contract assignment with one of our premier regulatory clients in DC Metro (DC, MD & VA) or NJ/NY areas. You'll be building a platform used...Contract work
- ...PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS! Senior Backend Engineer Seeking a Senior Backend Engineer to architect and... ...Collaborate with frontend engineers to design clean, efficient API contracts Establish backend engineering best practices and mentor...Casual work
$244k - $292k
...Recent Team Accomplishments Our engineering team is pushing the boundaries of what's... ...accurate lending decisions at scale Smart Collection System: Built ML-powered collection... ...Role We're looking for a Senior Backend Engineer to join our Grant Core team and...Local areaImmediate start$43.16 - $51.16 per hour
...Genesis10 is currently seeking a Senior Backend Engineer for a contract position with a Global Financial Institution located in San Francisco, CA. This is a 12+ month contract opportunity. This role is for a senior backend engineer focused on building scalable, real...Hourly payPermanent employmentContract work$160k - $200k
...prototyping and iteration. What You'll Do: Add new features to our backend systems to support portal enhancements Support integration... ...-solving Thrive in fast-moving, dynamic environments with smart, driven teammates Appreciate competitive compensation,...Remote work$140k - $200k
...we'd love to talk. This is a product-engineering role: not "build what you're told," but... ...About the role We're hiring a Senior Backend Engineer with product vision . You'll design... ...workflows at scale: clean API contracts, robust data models, efficient background...Worldwide$168k - $210k
...Senior Backend Engineer BuildOps is the leading vertical AI platform for commercial specialty contractors. We combine field service,... ...country, as we transform the multi-billion dollar commercial contracting industry! We're not just talking incremental improvements...For contractorsWork at officeLocal areaWork from homeFlexible hours$200k - $250k
...Staff Backend Engineer San Francisco Bay Area, CA Why Weave Exists At Weave, our mission is to evolve how therapeutic knowledge is... ...with LLMs without abstraction libraries ~ Humble, hungry, and smart ~ Able to move quickly on tasks while producing high-...Work at officeRemote work$230k - $280k
...week) About The Role At Mochi, our engineering team operates with exceptional leverage.... ...patients. We are looking for a Senior Backend Engineer to own the core systems that... ...constraints, just sustainable momentum and smart decisions High-Impact Work - Help...Full timeCasual workWork at officeLocal areaRemote workWeekday work- ...time Location Type On-site Department Engineering ABOUT US Our team includes builders from Facebook , LinkedIn , Uber and leading Web3 projects like Rainbow , Xai , Ex Populus... ...ROLE We are looking for a Founding Senior Backend Engineer to lead the design and development...Full time
- ...build secure, maintainable, self-serve core infrastructure that engineering teams can rely on and operate independently Architect and... ...domain models and APIs — you think carefully about boundaries, contracts, and long-term maintainability ~ A default toward automation...Full timeContract workFlexible hours
- ...loves to live on the edge! We are a fully distributed team of smart people who are passionate about changing the world one voice at... ...eye for code quality and you strive to uphold best practices in engineering, security, and design Why you should choose us: You’ll be working...Remote jobFlexible hours
$231k - $318k
...communities can thrive. We're looking for smart, resourceful and passionate people to... ...wholesale: one that feels less like a search engine and more like a trusted merchant with an... ..., with experience in high-performance backend systems, Protocol Buffers, and MySQL....Work experience placementWork at officeLocal areaRemote workMonday to FridayFlexible hours3 days per week$180k - $220k
...network The next step is to speak to Jack. Job Title: Senior Backend Engineer Salary: $180K - $220K + Equity Company Description:... ...product with massive enterprise traction and million-dollar contracts. Backed by $7.75M from top-tier investors including Heavybit...- ...Principal Backend Engineer (Forward Deployed) Austin, Texas - Hybrid; New York - Hybrid; San Francisco Bay Area - Hybrid About Invisible... ...and policy management, cluster/job orchestration, data contracts and quality enforcement, Delta/ETL pipelines, and replay processes...Local areaImmediate start
$130k - $197k
Icehouseventures is seeking a Backend Engineer to join its innovative team. You’ll work on building systems that process millions of contracts, design data pipelines, and create accurate search retrieval systems. Ideal candidates should have a strong engineering background...- ...and CTOs from companies like GitHub, Segment, Lookout, and Fly.io. About the Role We are looking for a top performing backend engineer that loves coding with Rust. You will get to solve interesting problems and technical challenges. We move fast, and speed of execution...Full timePart time
$150k - $250k
...Backend Engineer The backend is the product. The reliability of message delivery, the speed of AI responses, the depth of integrations, the transparency of AI decision-making, customers feel all of it even if they never see your code. You'll work directly with Punn...- ...things. Responsibilities Design and build scalable, high-performance infrastructure. Design architectures that allow both engineers and language models to quickly create, test, and deploy application code. Create reliable monitoring, logging, and alerting...
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