Senior Software Engineer, Blockchain Payments & APIs
TechChain Talent
Circle, a global blockchain fintech, is seeking a Senior Software Engineer to extend its in‑house systems infrastructure for tokenization. You will build and own scalable microservices and secure APIs for cross‑protocol value transfer, collaborating with Product and Engineering to design, test, and document system principles and quality standards.
You will focus on creating reliable APIs, integrating with banking and fintech platforms, and delivering production‑quality software with strong test
#J-18808-Ljbffr- ...techchaintalent is seeking a Senior Software Engineer to enhance blockchain systems supporting tokenization. This role... ...across teams to integrate complex payment systems. Ideal candidates should... ...with Java, and knowledge in RESTful API design and cloud services. The...BlockchainSenior
- ...TechChain Talent is seeking a Software Developer to join the Wallet team in New York. You will work on blockchain products, focusing on backend systems that enhance application... ...Python. Responsibilities include designing APIs, building web services, and engaging with the...BlockchainSenior
- ...Fin is a next-generation payments platform built for high-value... ...role We are looking for a Senior Full Stack Engineer to join the early team and... ...and mobile surfaces, from APIs and services to polished user... ..., Plaid, ACH rails) OR blockchain infrastructure (especially...BlockchainSeniorFull timeWorldwideShift work
$152.5k - $205k
...economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s... ...you’ll be responsible for:The Senior Software Engineer is responsible for extending Circle... ...responsible for reliable and secure APIs that transfer value and assets...BlockchainSeniorPermanent employmentRemote workFlexible hours- ...techchaintalent is seeking a software developer for their Wallet team in New York. The role involves working on blockchain technology and building applications that connect end-users to the Stellar network. Candidates should have over 5 years of experience developing...BlockchainSenior
- ...asset, through any payment rail, anywhere in... ...payroll systems, and blockchain networks across 10... ...about what makes software easy to use. You... ...code on this team. Engineers and Non-engineers... ...system architecture: API design, data... ...to work with other senior engineers, this is...BlockchainSeniorRemote work
- ...infrastructure—including USDC, a blockchain‑based dollar—powers payments, commerce, and financial applications... .... About the Role The Senior Software Engineer is responsible for extending Circle... ...that provide reliable and secure APIs for transferring value and assets...BlockchainSeniorWorldwide
- ...Zahlungsverkehrs (inkl. digitaler und API‑basierter Payment‑Architekturen) Bewertung von innovativen... ...Entwicklung von maßgeschneiderten (Software) Lösungen im Bereich Financial Services... ...Euro Kenntnisse in oder Interesse an Blockchain‑/DLT‑Lösungen bzw. Ansätzen Spaß an...BlockchainSeniorFlexible hours
$150k - $165k
...Capital. We’re building the universal payment layer to unify all currencies—fiat... ...to talk to you. We are hiring a Senior Backend Software Engineer! This will be our first Senior hire... ...Experience in cryptocurrency or blockchain is a plus. A product-focused mindset...BlockchainSeniorFull timeWork at officeFlexible hours- ...a decade, we’ve built blockchain infrastructure that tokenizes... .... We are a group of engineers passionate about... ...About the role As a Senior Engineer on the Custody... ...through best practices in software design, testing, and... ...We never ask for payment or financial details to...BlockchainSeniorFull timeWork at office
- ...****@*****.*** Software Engineer - Special ProjectsLocation:... ...are seeking a high-impact Senior Engineer to spearhead the... ...that integrates with real-time blockchain transaction and block-... ...services (custody, settlement, or payments).Knowledge of execution...BlockchainSeniorRemote workFlexible hours
- ...Gemini is seeking a Senior Software Engineer to join the Money team, building core ledger and payments systems at scale. You will design, implement, and operate services handling... ..., and treasury, plus ownership of APIs and data models for new transactions, with a...Senior
- ...the OP Stack , an open-source Layer 2 blockchain architecture powering over 65% of... ...users onchain. Role Summary As a Senior Software Engineer on the Protocol Team, you will design,... ...including the EVM, client specs, and JSON-RPC APIs. Distributed Systems: Hands-on...BlockchainSeniorWork at officeRemote work
- ...privacy standards needed to power advanced blockchain use cases for institutional tokenized assets, lending, payments, stablecoins, and more. Since inventing decentralized... ...Learn more at chain.link.About the RoleAs a software engineer on the Data Products team, you’ll...BlockchainSeniorRemote work
$500 per month
...with our institutional-grade APIs. This includes broker-... ...diverse group of experienced engineers, traders, and brokerage professionals... ...to apply. Your Role As a senior software engineer, you will help... ...worth of assets daily . The payments team is responsible for...SeniorRemote workHome office$500 per month
...diverse group of experienced engineers, traders and brokerage... ...planet. Your Role As a senior software engineer, you will help build... ...worth of assets daily. The payments team is responsible for building... ...with client‑facing APIs Strong coding skills, preferably...SeniorRemote workHome office$150k - $300k
...Goldman Sachs’ Digital Assets Engineering team and help build... .... As a Vice President-level Senior Software Engineer, you will be a hands... ...applications. Evaluate emerging blockchain protocols, smart-contract, interoperability... ...nodes, parties and ledger APIs; (b) Distributed-ledger...BlockchainSeniorFull timeContract workTemporary workPart time$150k - $300k
...Goldman Sachs’ Digital Assets Engineering team and help build... .... As a Vice President-level Senior Software Engineer, you will be a hands... ...across Canton/Daml and EVM-based blockchain ecosystems, partnering closely... ...data. Strong event-driven, API-first, enterprise architecture...BlockchainSeniorFull timeContract workTemporary workPart time$160k - $260k
.... GovWell replaces legacy software for municipalities and counties... .... Role Overview Payments infrastructure for local government... ...is hiring a Payments Engineer to own this space and build... ...RedwoodJS AWS OpenAI API Finix (payments processing...SeniorWork at officeLocal areaImmediate startRemote workFlexible hours3 days per week$165k - $180k
...Join to apply for the Senior Software Engineer - Payments role at Brigit Join to apply for the Senior Software Engineer - Payments role at Brigit Get... ...Recent accomplishments of our team are: Building a Payments API platform that moves millions of dollars on a daily basis...SeniorFull timeSummer workInternshipWork at officeLocal areaImmediate startRemote workFlexible hours- ...Airwallex in the United States is hiring a Senior Software Engineer to own end-to-end development of... ...customers. You will shape architecture and APIs for scalable systems and contribute to... ...and strong communication are essential as you scale payments and #J-18808-LjbffrSenior
$200k - $250k
...Senior Software Engineer - Transaction Management New York, New York, United States, Remote Senior... ...on-chain actions through one elegant API, without ever exposing sensitive key... ...onchain state across a wide range of blockchain protocols. We write primarily in Go and...BlockchainSeniorRemote work- ...builds Optimism, an open-source blockchain network that powers the next... ...issues. Use AI-assisted engineering tools effectively while... ...record of shipping production software and maintainable Rust systems... .... We will never ask for payment, banking information, or personal...BlockchainSeniorFull timeWork at officeRemote work
- ...professional to manage complex transactional work in fintech and payments. The ideal candidate will bring at least 10 years of... ...contracts, providing guidance on legal issues affecting payments and blockchain, and collaborating with global teams to advance Circle's mission...BlockchainSenior
- ...Stellar Stellar is a decentralized, public blockchain that gives developers the tools to... ...new functionality and developer-facing APIs that empower the ecosystem Build and... ...Requirements ~5+ years of experience developing software as part of a collaborative team ~...BlockchainSenior
- ...Airwallex is the only unified payments and financial platform... ...infrastructure and software, we empower over 250,0... ...global, cross‑site engineering organization, with... ...looking for passionate Senior Software Engineers to... ...underlying architecture and APIs for advanced systems...SeniorWorldwide
$220k - $260k
# Senior _Blockchain_ Developer **Remote | Full-Time | $220,0... ...more than just another engineering role. You'll have the... ...backend services, APIs, and _blockchain_ integrations... ..., _token_ standards, payment systems, and third-... ...of professional software engineering...BlockchainSeniorFull timeContract workRemote work- ...00,000+ businesses globally. You will join the API Core team. For us, the API is the product. We are... ...and independently. We are shifting gears from "Software-First" to "Product-First." We don't hire engineers to simply maintain legacy endpoints or close Jira tickets...SeniorFull timeContract workWork at officeLocal areaWork from homeWorldwideFlexible hoursShift work
$180k - $230k
...central limit order book matching engine with automated market making... ...markets, policy, and blockchain technology. Reports to:... ...content. We’re looking for Senior Software Engineers with expertise in... ...js, TypeScript, and RESTful APIs. ~ Experience with Next.js...BlockchainSenior$213k - $263k
...countries, each with their unique challenges. The Eval Authoring APIs team's mission is to establish the foundational API and... ...publishing. We are seeking an experienced, technically hands-on Senior Software Engineer to design and implement these core authoring APIs. In...SeniorFull timeRemote work
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