Payments Backend Intern (Kotlin) - FinTech
Framework Ventures
A leading digital asset platform is looking for a Software Engineering Intern to join their Payments team. The role involves contributing to the development of payment APIs, integrating with banks and payment providers, and learning about secure backend systems. This opportunity offers mentorship, exposure to modern backend tools, and a potential full-time offer based on performance. Ideal candidates should have some programming experience, a curiosity for fintech, and good communication skills. #J-18808-Ljbffr
- ...leading AI-based lending fintech with 50M+ downloads... ...are looking for talented interns to join us and be part... ...such as Credit, Wallet, Payments, KYC, Data Platforms, etc... ...experience building Backend or Native Android applications... ...Python, Ruby, Java, Kotlin, etc. You are highly...InternshipBackendKotlin
- ...highly motivated Software Engineering Intern to join the Payments team at Blockchain.com. This team... ...hands‑on experience working with backend systems in Kotlin, while learning how to integrate... ...fast‑evolving world of crypto and fintech. Duration: 6‑month internship with...InternshipBackendKotlinPermanent employmentFull timeApprenticeshipFlexible hours
- ...A fintech payment solutions company in the United States is looking for a founding mobile engineer. The role involves building a mobile SDK... ...native mobile development with proficiency in Swift and/or Kotlin. The position offers competitive salary, equitable stock options...KotlinFlexible hours
- ...can fundamentally change how a fintech engineering org builds... ...scalable in a PCI-regulated payments environment. The team lead sets... ...You context‑switch across backend, mobile tooling, and AI/ML systems... ...Tech Environment Languages: Kotlin (Android), Go, TypeScript, Python...BackendKotlinShift work
$150k
...A fintech automation company is seeking a Senior Backend Engineer to enhance its product offerings in payments and accounts payable automation. The ideal candidate will have extensive experience in Python and Django, with a strong focus on developing integrations and...Backend- ...overlap preferred) Type: Contract (Full-Time Preferred) Domain: Payments / Fintech / eCommerce Infrastructure About the Project We are leading... ...is mandatory. About the Role We are seeking a senior backend engineer to support a payment modernization initiative. You...BackendFull timeContract workRemote workFlexible hours
- ...A leading AI-based lending fintech is seeking a Software Engineering Intern to work closely with experienced engineers. The role involves building functionality... ...a 4-6 month internship. Ideal candidates should have backend development experience, a solid understanding of...InternshipBackend
$120k - $140k
...Senior/Lead Backend Engineer - FinTech & Crypto Innovation Location: Remote - Fully remote across Europe - they can do B2B or hire through... ...required. Core Technology: Strong experience with Kotlin . Modern Stack: Enjoy working with a modern backend stack...BackendKotlinWork at officeRemote work$75k - $80k
...Financial is a category defining fintech, building the operating system for credit cards and payments. Our platform powers card... ...Work across the full stack - from backend services and databases to the interfaces our partners and internal teams rely on Work with MySQL...InternshipBackendFull timeRemote workWorldwideFlexible hours$40 - $45 per hour
...unimaginable possibilities for payments, commerce and markets that... ...August 14, 2026. As a Circle intern, you’ll gain hands‑on exposure... ...to build, test, and deliver backend systems and APIs that power Circle... ..., distributed systems, or fintech innovation. Strong...InternshipBackendSummer workRemote workFlexible hours- ...Feedinkoo is looking for passionate developers eager to build out functionalities for various product lines such as Credit, Wallet, and Payments. You will integrate with third-party systems and contribute to a mission‑driven, fast-paced team. The ideal candidate has...InternshipBackend
- ...on to build Blend Labs (publicly traded fintech, founded as CTO) and Even (acquired by Walmart... ...that run at active mine sites — not internal tooling or throwaway projects. We expect... .... Build and extend our TypeScript backend serving real-time mining operations data...InternshipBackendPermanent employmentRemote work
$160k - $190k
...Treasury Lithic creates card issuing and payment infrastructure for technology companies that... ...world’s fastest-growing digital banks, fintech companies, and software companies process... ...Treasury team maintains and builds the backend services that manage the flow of funds between...BackendWork at office- ...business processes and decision logic Proficiency in Java or Kotlin, with solid experience designing Spring Boot services... .... What we offer Long‑term projects 100% remote work Payment in USD Paid Time Off (PTO) Work‑from‑home & training reimbursement...BackendKotlinRemote workWork from homeWorldwide
- ...with a passionate, loyal community. The Backend Engineering team owns the core infrastructure that powers all of this — payment processing, ledger systems, card transaction... ...Java or a similar statically-typed language (Kotlin, Scala, C#) Experience building and...BackendKotlinPermanent employmentRemote workFlexible hours
- ...The Senior Backend Engineer plays a critical role in designing and scaling the core systems... ...design and develop microservices using Kotlin/Java and Spring Boot, create robust APIs... ...Background in high‑scale, secure systems (IoT, payments, or similar). Experience with AI/LLM...BackendKotlinContract workFor contractorsRemote workFlexible hours
$130k - $160k
...About Brim Brim Financial is a category defining fintech, building the operating system for credit cards and payments. Our platform powers card programs for banks,... ...working across the full stack - youre not boxed into backend or frontend, you go where the problem is...BackendFull timeRemote work- ...technical authority on security, backend systems architecture, and... ...computing for our global payments platform. This is a hands-on... ...in backend languages (Java, Kotlin, Go, Rust). Bonus: Experience... ...small, senior team with deep fintech, security, and payments expertise...BackendKotlin16 hoursFull timeRemote workFlexible hours
- ...Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses... ...to succeed on their own terms. We make payments secure, accurate, and stress-free so... ...platform, and we’re looking for a Senior Backend Engineer who wants real ownership, real...BackendContract work
$227.9k
...deposit, withdrawal, and peer‑to‑peer and business payments. Now, we have millions of users across 9... ...central banks and ISO certification Stack backend: Python 3 (+ mypy) API layer: GraphQL android frontend: Kotlin/Jetpack iOS frontend: Swift/SwiftUI web...BackendKotlinRemote workFlexible hours- ...of Africa’s fastest-growing fintech companies, recognised by the... ...financial ecosystem powering payments, banking, credit, and... ...Fund, Development Partners International, LeapFrog Investments, Lightrock... ...scalable, production-ready backend systems. Spearhead key initiatives...BackendWork at office
$160k - $170k
...customer-configured rules, and disburse payments directly to workers Branch wallets, or their... ...on designing and optimizing scalable backend services and RESTful APIs. This position... ...has helped us become an award-winning FinTech company, with Branch’s innovation and workplace...BackendRemote workHome officeFlexible hoursShift workNight shift$60 per hour
...English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming... ...Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal...BackendKotlinHourly payFull timeRemote workFlexible hours- ...enhancements using React Native, Swift, Kotlin, and related mobile... ...appropriate integration with backend systems, APIs, services, and... ...and delivery risks. Support internal and external stakeholders... ...in lending, digital banking, payments, financial crime prevention and...BackendKotlinRemote workFlexible hours
- ...is a next-generation Payments Infrastructure and Monetization... ...Backed by leading fintech investors including... ...) and/or Android (Kotlin) SDKs that platform partners... ...peripherals, and backend APIs converge into a seamless... ...products for your internal partners, they deliver...BackendKotlinLive inFlexible hours
- ...recognized as one of Forbes’ Most Innovative Fintech Startups in 2025 and Fast Company’s Most... ...environment. Proficiency in Java or Kotlin, JVM‑based programming. Experience with Postgres... ...Experience integrating stablecoins into payments, DeFi, or enterprise finance applications...KotlinVisa sponsorshipWork visa
$50 - $75 per hour
...English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming... ...Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal...BackendKotlinHourly payFull timeRemote workFlexible hours- ...Collaborate with other teams such as backend, firmware, data science, research, science... ...CoreAnimation, CoreGraphics, PyTorch, TypeScript, Kotlin Multiplatform, BLE, SDK development... ...ask for personal information like ID or payment for equipment upfront. Official offers are...BackendKotlinWork at officeLocal areaRemote workFlexible hours
$150k - $180k
...profitable, fast-growing AI healthcare fintech company on a mission to revolutionize Revenue... ...exceptional care, not chasing payments. We’re a fully remote, US-based team of... ...are seeking a highly skilled Senior Java Backend Software Engineer to join our dynamic team...BackendRemote work- ...teams such as firmware, data, backend, or science to implement new... ...algorithms, TypeScript, CI/CD, or Kotlin Multiplatform Ability to... ..., work location, internal peer equity, and market conditions... ...personal information like ID or payment for equipment upfront. Official...BackendKotlinWork at officeLocal areaRemote workFlexible hours
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