Senior Onchain Backend Engineer - High-Throughput RPC
Polymarket
Polymarket is seeking a skilled backend engineer in New York to join the Onchain Execution team. This role involves designing systems for transaction processing on our prediction market platform, requiring deep blockchain knowledge and 5+ years of backend development experience. The ideal candidate will excel in clean coding, understand EVM networks, and have experience with system-level programming, particularly in Golang. Great benefits including competitive salary, unlimited PTO, and health coverage await the right candidate. #J-18808-Ljbffr Polymarket
$200k - $400k
...Senior Backend Engineer (Blockchain Infrastructure / Onchain Systems) Location: New York, NY or Remote Company Stage: High-Growth Consumer Fintech / Crypto Office Type... ...low latency Own RPC infrastructure and integrations... ...networks Optimize throughput, reliability, and...SeniorContract workWork at officeRemote work$221.53k - $332.29k
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...Senior/Principal Backend Engineer job at The Metaplex Foundation. Remote. About Metaplex... ...in the world, providing the onchain infrastructure needed to... ...implementing APIs using the JSON-RPC protocol. Develop... ...between nodes. Maintain a high-performance gateway for efficient...SeniorRemote work- ...Freelanceshop is seeking a highly skilled Senior Go Developer to join our fully remote engineering team. You will design and maintain high-performance backend systems for global clients and work closely with product managers and senior engineers. The ideal candidate has...SeniorRemote workFlexible hours
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- ...hardest problems alongside high-caliber teammates who consistently... .... The Opportunity As a Senior Backend & Platform Engineer at Moonshot, you’ll own... ...infrastructure : Node and RPC management. Transaction submission... ...wallets, exchanges, or onchain protocols including DeFi, L...SeniorFull timeWork at officeRemote workFlexible hours
- ...A leading crypto trading platform is seeking a Backend Engineer to develop scalable, microservices-based backends using TypeScript. The role emphasizes collaboration, performance optimization, and effective problem-solving in a remote environment. Ideal candidates will...Remote work
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- ...first product, Fern for Business, is an onchain bank account that has seen tens of... ...We’re looking for an exceptional staff/senior backend engineer to build Fern for Business and our upcoming... ...of end users. If you’re looking for a high-impact role with significant ownership...SeniorWork at officeRemote work
- ...Polymarket is looking for a backend engineer to help build and scale the... ...markets. This role is focused on high-performance, low-latency... ...contributor working with other senior engineers to design,... ...systems with a focus on latency, throughput, memory usage, and correctness...Senior
- ...startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to... ...across Solana markets. Ellipsis Labs is seeking a Senior Backend Engineer to join our team. As an early-stage startup, we appreciate...Senior
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- ...Junior Backend Engineer We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding... ...Architect and scale backend systems that support high-throughput LLM interactions, vector search, and multi-agent orchestration...SeniorSummer workWork at office10 hours per week
- ...generation of our fintech platform, and we’re looking for a Senior Backend Engineer who wants real ownership, real scale, real impact, and... ...This is not a feature-factory role. You’ll design and build high-throughput, cloud-native systems that move money, power complex...SeniorContract work
$200k - $400k
...top-tier candidates who are not only highly skilled but also the right fit for the... ...for both clients and candidates. Senior Backend Engineer (Exchange Infrastructure) Location:... ...Design and build low-latency, high-throughput backend systems powering the core exchange...SeniorWork at office- ...focus on MEV through our dual engines of open research and... ...Flashbots is searching for senior backend infrastructure engineers to... ...Lead or support development of high-performance backend infrastructure... ...Systems : Built high-throughput or latency-sensitive systems...SeniorRemote work
$50 per hour
...and hedge funds. About the Role We are looking for a highly skilled Backend Software Engineer to join our team and help build scalable, high-performance... ..., and messaging queues to ensure low-latency and high-throughput performance. Collaborate with cross-functional teams,...SeniorRemote workWorldwide- ...daily volume. Low latency, high throughput, constant load. What You'... ...the most critical and complex backend systems, directly writing... ...operational excellence Raise the engineering bar through design reviews,... ...-to technical authority by senior engineers and peers ~...SeniorImmediate start
- ...Description About the Role As a Senior / Staff Backend & Platform Engineer at Moonshot, you'll own... ..., key management, and high-scale financial backends.... ...infrastructure Node and RPC management. Transaction... ...wallets, exchanges, or onchain protocols including DeFi,...Senior
$181.1k - $318.4k
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...Devices Cloud team owns the backend services that power... ...-time device state, high-frequency telemetry... ...it. We're looking for engineers who want to help define... ...systems. About the Job As a Senior Backend Engineer on... ...pipelines for high-throughput telemetry streams using...SeniorSummer workRemote workFlexible hours- ...Senior Backend Engineer (Ruby or Golang), Tenant Scale; Cells Infrastructure Remote, APAC; Remote,... ...faster. GitLab’s mission is driven by a high‑performance culture that embraces AI as... ...tradeoffs. Experience building high‑throughput networking services (gRPC and protocol...SeniorRemote work
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- ...Role Summary You'll build the backend systems that power Twenty's cyber and electromagnetic... ...complex relationships, and serves high-throughput APIs at machine speed. You'll design... ...features. Collaborate with frontend engineers on API contracts and data structures...SeniorFull timeWork at officeFlexible hours
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