Senior Backend Engineer, Java
Company Overview
We are committed to simplifying wealth creation and empowering individuals to achieve financial freedom through our innovative platform. Our team, founded in 2014, is dedicated to providing a user-friendly experience for both novice and experienced investors, offering a range of investment opportunities including cryptocurrencies, stocks, precious metals, and commodities. With a global presence and over 4 million customers, we pride ourselves on being a secure and cutting-edge platform in the world of modern investing.
About Us
We are a dynamic team headquartered in Austria, operating across Europe. Our diverse and talented team collaborates seamlessly to deliver top-notch products and services that shape the future of investing. If you are someone who thrives in a fast-paced environment, values innovation, and wants to make a significant impact, we invite you to be part of our trailblazing team.
Responsibilities
We are seeking a Senior Software Engineer to join our FinCrime prevention team. In this role, you will be responsible for developing products and solutions related to transaction monitoring, fraud prevention, AML, and Anti Terrorism Financing. You will work on critical projects, collaborate with various teams, and contribute to architectural and conceptual solutions.
Key Responsibilities
- Develop scalable and resilient services using Java within an event-driven microservices architecture
- Write clean code with high test coverage and extensive unit testing
- Collaborate with cross-functional teams to optimize systems for reliability, performance, and scalability
- Design and maintain publicly available REST APIs with a focus on performance and scalability
- Utilize message-oriented middleware such as Apache Kafka and RabbitMQ
- Demonstrate proficiency in CI/CD practices and have knowledge of AWS, Terraform, and Kubernetes
Requirements
- Proficiency in software development using modern Java frameworks like Spring Boot and Micronaut with Java 21+
- Experience with both relational and non-relational databases, particularly Postgres and MongoDB
- Ability to create and maintain REST APIs with a focus on optimization and scalability
- Familiarity with message-oriented middleware such as Apache Kafka and RabbitMQ for event-driven microservices
- Background in CI/CD and working knowledge of AWS, Terraform, and Kubernetes
Benefits
- Hybrid working model with 60 Work-From-Anywhere days
- Comprehensive compensation package, including participation in our stock option plan
- Competitive benefits programs and policies promoting flexibility
- Exclusive perks for trading on our platform
- Company-wide and team events, both virtual and in-person
- Bitpanda swag to show your company pride
Opportunity
Join us on our journey to become Europe's leading investment platform and enhance your professional growth with Bitpanda. We are committed to fostering a diverse and inclusive workplace, believing that a variety of perspectives and skills are essential to our success.
Frontend Engineer – Web3 Products
Sirex Portfolio Companies
Salary: $120,000 – $175,000 USD base + equity
Location: Remote-first
About the role Build beautiful, high-performance frontends for DeFi, RWA and agent platforms (Next.js + Wagmi/Viem stack).
What you’ll do
Ship trading interfaces, dashboards and wallet flows
Optimize for mobile and lightning-fast UX
Integrate with smart contracts and oracles
Work directly with design and product teams
Requirements
3+ years Next.js / React + TypeScript
Strong experience with Wagmi, Viem, RainbowKit or similar
Web3 product intuition (wallets, transactions, gas UX)
Apply → Send CV + GitHub
Senior web3 engineer
We’re building a SocialFi platform combining real estate and DeFi. After launching our MVP, we’re now progressing to version 2.
Role:
Join our remote team to develop website, smart contracts, integrate blockchain features, and ensure platform security.
Responsibilities:
- Develop and deploy smart contracts on Ethereum or Layer 2.
- Integrate wallet connect and decentralized features.
- Collaborate and direct contribute with frontend/backend teams.
- Conduct security audits.
Requirements:
- Experience with React, Ethers.js, Web3.js.
- Familiarity with wallet extensions and DeFi protocols.
- Ability to fix errors within 1 hour during tests.
- Comfortable working independently in a remote setup.
Nice to Have:
- Knowledge of cross-chain protocols or cryptography.
- Experience in social finance or real estate blockchain projects.
Application:
Send your resume and Linkedin profile. Selected candidates will do a quick coding test.
Contact: contact@hubsai.net
Join us to help shape the future of SocialFi!
Recruiter, Marketer, Advertiser, Business Developer
Open roles
- Marketer
- Business Developer
- Recruiter
- Advertiser
Requirements
- Clear natural English communication without translators or AI
- Professional fast and reliable
- Fluent in your native language
If you want to be part of something early and actually make an impact — reach out
Senior Rust Engineer — Decentralized AI Compute & GPU Orchestration
Sirex Portfolio Companies
Salary: $170,000 – $240,000 USD base + meaningful equity + token package
Location: Remote-first (any timezone)
About the role
We’re building the next layer of decentralized compute for AI agents — GPU orchestration, libp2p networking, verifiable execution and on-chain coordination. Join one of our high-conviction portfolio companies or work directly with the Sirex infra team.
What you’ll do
•Design and ship production Rust services for distributed GPU clusters and agent orchestration
•Build libp2p + IPFS-based peer discovery and data exchange layers
•Implement verifiable compute primitives (zkML, TEE, or on-chain proofs)
•Optimize for cost, latency and fault tolerance at scale
•Collaborate with AI teams on autonomous agent deployment
Requirements
•4+ years Rust (production experience mandatory)
•Strong background in distributed systems, networking or blockchain infra
•Experience with libp2p, IPFS, GPU compute (CUDA/ROCm) or TEEs — big plus
•Deep understanding of AI agent workloads
What we offer
•Direct impact on core infrastructure that powers multiple portfolio companies
•Top-tier equity + token upside
•Fast growth to Staff/Principal level
•Work with the best AI + crypto teams in the space
Junior / Middle Metaverse Developer (Unity / Web3 / VR)
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.