Pytorch jobs in crypto and blockchain companies

About us: BVNK provides modern payment infrastructure for businesses. We unify banks and blockchains in a single platform. With BVNK, businesses can send and receive stablecoin payments, convert between currencies, and add stablecoin payments to their checkout. Using our flexible platform, and robust global licensing and compliance expertise, innovators can launch new payment products quickly and compliantly. We are a diverse team spread across the UK, Europe, South Africa, the US, and APAC, with a shared belief that all payment flows will interact with crypto in the coming decade, and BVNK will be at the forefront of this transformation of the financial system. We have raised $50M in Series B funding from top investors including Haun Ventures, Tiger Global, and Coinbase Ventures, and we're looking for smart, ambitious people to help us build the next generation of payments. We're incredibly honored to have made Newsweek's list of The Top 100 Global Most Loved Workplaces 2 years running (2023 and 2024) and to have been recognised by LinkedIn as one of the Top 20 Startups in the UK in 2024. About this role in the team: Location: We offer a Hybrid/Remote working policy which allows us to hire across EMEA.   FUNCTION: Engineering We’re looking for a talented Software Engineer with experience in AI and ML to join our team. Our goal is to build out seamless cross-border payments involving both crypto and fiat currencies.  This role is pivotal in helping us overcome the challenges to ensure smooth trading processes together with streamlining liquidity management and automation.  Traditional methods have often resulted in customers grappling with high transaction fees, lengthy delays, and the rigidity of having to choose between fiat and crypto transactions. With our innovative solution, we aim to break down these barriers by allowing a fluid interchange between crypto and fiat currencies. This hybrid solution will empower our customers to make international payments in their preferred format, whether it be entirely in crypto, entirely in fiat, or a mix of both. By enhancing the interoperability between these two transaction modes, we aim to accelerate transaction speed, reduce associated costs, and create a more user-friendly experience.  Our product and engineering organisation is split into small autonomous squads empowered to own their problem space. You’ll be expected to form strong opinions and execute in a fast but sustainable way, advocating for the simplest solution that achieves the outcomes our customers are looking for.  Key Areas of Responsibilities: Collaborate with our product team to iterate fast and deliver results across both traditional backend systems and ML-powered features Translate from technical to non-technical with stakeholders across the business, particularly in explaining ML model decisions and capabilities Advocate for the simplest but most effective approach in everything we do, balancing traditional software solutions with AI-driven approaches Develop future-proof products, focusing on delivering quality code consistently and efficiently while incorporating ML model lifecycle management Design and implement AI agents and automated systems that enhance our product capabilities and operations Contribute to our engineering culture and standards to help us perform better What we need from you: This role could be a great opportunity if you: Proven experience as a Solid Backend Developer in a similar role, preferably in the FinTech industry Experience in Python and ML frameworks like TensorFlow or PyTorch Familiarity with Java and Spring Boot is a plus Experience in building and maintaining APIs, services, and ML model deployment pipelines Strong background in training, fine-tuning, and deploying machine learning models in production environments Experience with AI agent development, including working with large language models and reinforcement learning Excellent problem-solving skills, able to work independently or in a team Good understanding of financial services, particularly in banking, payments, trading or crypto Excellent written and verbal communication skills Familiarity with distributed ledger technology or blockchain is a plus Experience with ML ops tools and practices, including model monitoring and versioning Are data-driven, using analytical skills to make pragmatic decisions about both traditional systems and ML applications Open to participate in out of hours on call rota What you can expect from us: Fair and competitive salary at every stage of your growth Meaningful ownership in the business through our employee option scheme Flexible working hours, with hybrid working at its heart A culture built on passionate growth-minded people A flexible approach to holiday Opportunities to travel to our offices around the world, in locations such as London and Cape Town, to collaborate with your colleagues  An open and creative environment where you can help us define the future of BVNK, its culture, and its opportunity sets At BVNK, we are focused on building a diverse and inclusive team. While you may not meet all of our requirements, we’d encourage you to apply if you meet the majority of our expectations. You may be a great fit for this role or another role in our team. 

About Brave Brave is on a mission to protect the human right to privacy online. We’ve built a free web browser that blocks creepy ads and trackers by default, a private search engine with a truly independent index, a browser-native crypto wallet, and a private ad network (opt-in!) that directly rewards you for your attention. And we’re just getting started. Already close to 50 million people have switched to Brave for a faster, more private web. Millions more switch every month. The internet is a sea of ads, hackers, and echo chambers. Big Tech makes huge profits off our data, and tells us what’s true and what’s not. Brave is fighting back. Join us! Summary Brave is looking for an experienced software engineer, AI to help build our next generation of AI-powered browser features at Brave. We're seeking someone who can evaluate, integrate, and optimize state-of-the-art language models, while working closely with our browser development, design, and product teams. We’re working on new ways of browsing, applying new ideas and reinventing features to make Brave even better. Brave Browser is used by nearly 100M users, and they are already embracing our leading AI features. [...more ] Core Responsibilities Lead technical evaluation and integration of new LLMs, including both server-side applications and on on-device deployment scenarios Design and implement inference pipelines, and create prompting strategies for browser-based AI features Collaborate with browser engineers to integrate AI capabilities into the core product Partner with product and design teams to define and implement new AI-powered features Required Qualifications 2 to 5 years of experience optimizing and deploying ML models in production environments Strong software engineering background with production experience in Python Extensive experience with PyTorch or other modern ML frameworks Knowledge of on-device LLM deployment challenges and opportunities Proven track record of shipping ML features in consumer applications Experience with model optimization and inference frameworks (e.g., ONNX Runtime, TensorRT, Core ML) Preferred Qualifications Master's degree in Computer Science, Machine Learning, or related field Proficiency in modern web development technologies Experience building AI applications Background in browser or browser extension development What We're Looking For Deep curiosity about emerging AI models and their practical applications Strong problem-solving skills with ability to work in ambiguous environments Excellence in cross-functional collaboration and technical communication Drive to make AI technology more accessible through the browser Pragmatic approach to balancing innovation with shipping products What We Offer Opportunity to shape the future of AI-powered browsing experiences Work with cutting-edge technology and state-of-the-art ML tools Competitive compensation with room for growth Great international exposure and team atmosphere Flexible work location with preference for London office   While we prefer candidates who can work from our London office, we're open to remote candidates in compatible time zones. We offer flexible working arrangements to support a healthy work-life balance.   Compensation $150,000 $200,000 -  Depends on Location, Market Rate and Experience.

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction. Innovate with TetherTether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.But that’s just the beginning:Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways. Why Join Us?Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.Are you ready to be part of the future? About the job At Tether, we're committed to making advanced AI technologies more accessible. Thanks to its investment in AI infrastructure, starting from Northern Data, Tether is now in a prime position to tackle ambitious AI projects. Our goal is to build the next generation of AI models, leading innovation in AI, through an accessible, transparent and privacy preserving approach. This role is uniquely positioned to oversee the creation and optimization of AI solutions across the spectrum from large-scale models designed for advanced applications to smaller, highly performant models tailored for efficiency on edge devices such as mobile phones and laptops. Your leadership will guide our team in pushing the boundaries of AI, making high-performance AI technologies accessible and efficient for personal use while setting new industry standards for innovation and utility. What You'll Do: Lead the development and execution of our strategy for creating multimodal AI models that set new industry standards.Build and nurture a team of AI experts, fostering an environment of innovation, collaboration, and continuous learning.Spearhead collaborations with other departments to ensure our AI models are effectively integrated into market-driven solutions.Represent Tether in the AI community, sharing our work and learning through open contributions, speaking engagements, and publications.A PhD or Master's degree in Computer Science, AI, Machine Learning, or a related field, complemented by a solid track record in AI R&D.Experience building a LLM or other large models from scratch including writing model code, gathering training data, optimizing training and inference.Strong experience in NLP, computer vision, and multimodal learning, proficient in TensorFlow, PyTorch, JAX and CUDA toolkit.Demonstrated leadership in managing diverse, high-performing teams, with an emphasis on mentorship and collaborative success.Advanced knowledge of distributed and high-performance computing systems. Excellent programming skills in Python, C++, JavaScript or similar.