20 bästa jobben som backend developer (python) i upplands väsby, ab (Rekryterar nu!)

Lightning Developer
Bitrefill —Stockholm
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Fullstack Engineer - Commercial Tech
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Data Engineer
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Senior Backend Developer
Boardeaser AB —Stockholm
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Senior Fullstack Developer (Python/React)
Filed —Stockholm
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Senior Fullstack Developer
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Overseas Contractor
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Senior Developer / Solution Architect – Card Issuing & Banking
LTM —Stockholm
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Front End Lead / Senior React.js Developer
Forloop.ai —Stockholm
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Senior Software Engineer
Toptracer —Danderyd
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Senior Specialist - Data Engineering
LTM —Stockholm
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6d

Jag vill få den senaste jobbevakningen för backend developer (python) i upplands väsby, ab

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backend developer (python) jobs near upplands väsby, ab

Lightning Developer

Bitrefill
Stockholm

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Jobbinformation

Tillsvidare

Kvalifikationer

MongoDB
Nätverksprotokoll
Python

Fullständig jobbeskrivning

You know Bitrefill, you've probably routed a payment through us. You get why Lightning matters and you want to build the infrastructure that makes it work for a million+ customers across 180 countries. If that's you, hit the apply button and let's talk.

If you need more info to decide, keep reading. We kept the corporate fluff out, so it won't take long.

About the role

Bitcoin and Lightning are where Bitrefill comes from, and they're still core to what we do. There's more happening in this space than the team can keep up with, so we're bringing in more hands to keep things running and push them forward: shipping the integrations we keep talking about, digging into how our payments actually flow, and turning "we should really do this" into things that are live.

Our Tech Stack

Node.js / TypeScript
Python
MongoDB, MySQL, Typesense
Amazon AWS, Kubernetes

What you'll do

Own and improve our Lightning Network and Bitcoin payment infrastructure, from everyday upgrades and fixes to to larger improvements across the stack
Work hands-on with Lightning implementations (LND, CLN, or similar), payment channels, and liquidity management
Analyze how our Lightning payments flow, including forensic work after incidents, and build monitoring and policies on top
Strengthen the security of our crypto systems: key management, HSMs, and how we safeguard funds
Help us get crypto transaction accounting right, working with the finance team so our books reflect how Bitcoin actually moves
Evaluate and integrate new Bitcoin and Lightning tech as the space evolves
Get new payment protocols into production, from payjoin to nostr-based flows
Build the Lightning side of our agentic commerce work
Ship with product and design, and contribute to our internal libraries and open-source tooling

What we're looking for

Several years building software professionally, with a track record of shipping real things
AI is part of how you build (Claude Code, Codex, Cursor, or similar). This is non-negotiable for us
Deep understanding of the Lightning Network protocol and Bitcoin fundamentals
Hands-on experience with at least one Lightning implementation (LND, CLN, Eclair, or LDK)
Strong with our backend stack, Node.js and TypeScript, and comfortable working in Python
Crypto-native. You use it, you follow where it's headed, and nobody needs to explain Bitcoin to you
Self-driven. You spot the opportunity and push it forward instead of waiting for a roadmap

Bonus points

You've contributed to open-source Lightning or Bitcoin projects
Experience with payment channel management and liquidity optimization
You run your own node
Hands-on with newer Lightning and Layer 2 tech
Experience building payments at scale

Why Bitrefill

We've been quietly right about something since 2014: internet money should just work. Fully remote since day one. Team across 30+ countries. Get paid in crypto if you want. No bullshit meetings. Twice a year we meet up to build together in person. The rest of the time: work hard, get shit done.

Ansök nu

Förfina din sökning

backend developer (python) jobb i upplands väsby, ab

Lightning Developer

Fullstack Engineer - Commercial Tech

Senior Backend Developer

Data Engineer

Founding Engineer

Senior Backend Developer - IT Martech

Copilot & AI Engineer

Senior FastAPI Developer

Senior Backend Developer

Senior Fullstack Developer (Python/React)

Senior Fullstack Developer

Overseas Contractor

Tech Lead - Backend Delivery

DevOps Engineer for Tavana Tech

Senior Backend Developer

Senior Developer / Solution Architect – Card Issuing & Banking

Front End Lead / Senior React.js Developer

Senior Software Engineer

Senior Specialist - Data Engineering

Senior Software Engineer - Activation

Jag vill få den senaste jobbevakningen för backend developer (python) i upplands väsby, ab

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Why Bitrefill

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