SwapRail Jobs

Backend Engineer

SwapRail

Backend Engineer

Reposted One Month Ago

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 Biti, 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

NetBox Labs

Back-end Engineer

2 Days Ago

Remote

215K-235K Annually

Senior level

215K-235K Annually

Senior level

Cloud • Software

Lead the technical direction and architecture of the Foundations platform team, owning authentication, authorization, SSO, secrets management, tenancy, and core platform services. Design APIs, drive services through launch, make technical decisions, establish engineering standards, and mentor engineers without formal management authority. Partner with engineering and product leaders to align execution with priorities.

Top Skills: APIsDistributed SystemsGoLinuxOauthPythonRole-Based Access ControlSso

GitLab

Senior Back-end Engineer

2 Days Ago

Easy Apply

Remote

United States

Easy Apply

157K-235K Annually

Senior level

157K-235K Annually

Senior level

Cloud • Security • Software • Cybersecurity • Automation

Build reusable backend platforms and developer-facing tooling for performance testing, analysis, reporting, and AI-assisted engineering workflows. Enable service teams to independently incorporate performance testing into development and CI workflows through self-service capabilities, documentation, templates, diagnostics, and guidance. Partner with engineering teams, influence adoption, generalize solutions, and provide expertise on complex performance challenges.

Top Skills: Amazon Web ServicesGoogle Cloud PlatformK6Kubernetes

Engine

Senior Software Engineer

2 Days Ago

Easy Apply

Remote

United States

Easy Apply

75K-120K Annually

Senior level

75K-120K Annually

Senior level

Artificial Intelligence • Fintech • Software • Travel

Design and implement backend services, modernize legacy systems into microservices, ensure strong testing and production observability, and collaborate with Product and Engineering teams. The role requires independent project ownership, strong system design, AI-assisted development using tools such as Claude or Cursor, effective communication with nontechnical stakeholders, and adaptability in an ambiguous, fast-changing environment.

Top Skills: ClaudeCursorDatadogJavaKotlinMicroservicesRelational DatabasesSplunkSQLTerraform

What you need to know about the Chicago Tech Scene

With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.

Key Facts About Chicago Tech

Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory