SwapRail Jobs

Backend Engineer

SwapRail

Backend Engineer

Posted Yesterday

Remote

Hiring Remotely in USA

Mid level

Remote

Hiring Remotely in USA

Mid level

Design and implement scalable backend services and APIs for SwapRail, including routing engines, execution services, data pipelines, simulation/validation layers, and observability. Integrate on-chain and off-chain data sources, optimize for low-latency high-throughput execution, and collaborate with frontend and wallet teams.

The summary above was generated by AI

Design and build the core backend systems powering SwapRail, including APIs, routing engines, execution services, and data pipelines.

Location: Remote / Work from Home

Type: Part-time preferred / Full-time available

Responsibilities

- Design and implement scalable backend services and APIs

- Build routing and aggregation logic for swap execution across multiple liquidity sources

- Integrate on-chain and off-chain data sources (RPC nodes, indexers, third-party APIs)

- Develop simulation and validation layers for transaction execution

- Optimize system performance for low-latency and high-throughput scenarios

- Design data models for quotes, routes, transactions, and execution states

- Implement monitoring, logging, and observability across services

- Collaborate with wallet and frontend teams to ensure consistency in execution flows

Requirements

- Strong experience with Node.js / TypeScript / Go / Rust

- Experience building high-performance backend systems

- Strong understanding of asynchronous systems and concurrency

- Experience with PostgreSQL and data modeling

- Familiarity with microservices architecture and distributed systems

- Experience integrating blockchain data or Web3 systems

Nice to Have

- Experience with DeFi protocols or aggregators (1inch, 0x, Uniswap)

- Experience building trading or execution systems

- Experience with blockchain indexing (The Graph, custom indexers)

- Understanding of MEV, routing optimization, and slippage control

- Experience with caching layers (Redis) and performance optimization

Similar Jobs

CrowdStrike

Back-end Engineer

Yesterday

Remote or Hybrid

120K-180K Annually

Senior level

120K-180K Annually

Senior level

Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity

Design, build, and scale core backend platform services that ingest, process, and route security events. Architect the Detection Content Management Platform and CI/CD tooling, implement fault-tolerant microservices (Go/Java/Python), mentor engineers, and drive features for policy, observability, and real-time detection across CrowdStrike products.

Top Skills: Aws CloudAzureCassandraFlinkGCPGitGoJava8KafkaKubernetesOpensearchPostgresPythonRedisRocksdb

8am (Formerly AffiniPay)

Back-end Engineer

22 Days Ago

Remote

United States

82K-105K Annually

Junior

82K-105K Annually

Junior

Software

The Marketing Backend Developer will build and maintain backend services and APIs for marketing operations, ensuring reliable data flow and system integrations, with a focus on performance and scalability.

Top Skills: AWSCloudFormationCSSDjangoFlaskHTMLJavaScriptMarketoNext.JsNode.jsPythonReactRubySalesforceSamSvelteTerraformVue

CrowdStrike

Senior Back-end Engineer

Yesterday

Remote or Hybrid

140K-215K Annually

Senior level

140K-215K Annually

Senior level

Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity

Design, build, and scale foundational platform services to ingest, process, and route internet-scale security events. Develop fault-tolerant microservices, CI/CD and DevOps tooling for detection-as-code, evolve unified detection management, drive observability and policy features, mentor engineers, and collaborate cross-functionally to deliver real-time detection generation.

Top Skills: AWSCassandraFlinkGitGoJava8KafkaKubernetesOpensearchPostgresPythonRedisRocksdb

What you need to know about the Charlotte Tech Scene

Ranked among the hottest tech cities in 2024 by CompTIA, Charlotte is quickly cementing its place as a major U.S. tech hub. Home to more than 90,000 tech workers, the city’s ecosystem is primed for continued growth, fueled by billions in annual funding from heavyweights like Microsoft and RevTech Labs, which has created thousands of fintech jobs and made the city a go-to for tech pros looking for their next big opportunity.

Key Facts About Charlotte Tech

Number of Tech Workers: 90,859; 6.5% of overall workforce (2024 CompTIA survey)
Major Tech Employers: Lowe’s, Bank of America, TIAA, Microsoft, Honeywell
Key Industries: Fintech, artificial intelligence, cybersecurity, cloud computing, e-commerce
Funding Landscape: $3.1 billion in venture capital funding in 2024 (CED)
Notable Investors: Microsoft, Google, Falfurrias Management Partners, RevTech Labs Foundation
Research Centers and Universities: University of North Carolina at Charlotte, Northeastern University, North Carolina Research Campus