Python jobs in crypto and blockchain companies

Vivid is a dynamic fintech company that provides innovative solutions to enhance our users' financial experience. We are on a mission to identify and solve user problems, continuously improve our products, and introduce new features to make financial management more straightforward and more rewarding. As a Data Analyst at Vivid in the AFC Team, you will play a pivotal role in shaping the future of our products and services.   In this role, you will: Building analytics for AFC. Take an active role in improving Antifraud products: identify problems that users face and propose ways to solve them, and come up with new and enhanced existing rules and alerts. Build and maintain a system of automated reports. Support new features launch: create metrics that reflect the feature’s quality, and evaluate results. Provide analytical support while decision-making. Formulate hypotheses for A/B testing, design, analyse results. Engage in effective communication with partners. Track assigned projects progress. Collaborate with adjacent teams to develop comprehensive cross-team solutions for products. Requirements At least 3 years of work experience in a similar position Probability theory and mathematical statistics knowledge Advanced SQL knowledge, familiar with Python (ex NumPy, Pandas) Advanced knowledge of data visualisation tools (we use Tableau) Ability to see a business meaning behind the data and communicate it in the clearest possible way (even if it’s complicated topic) Upper intermediate level of English Benefits This job is only for those who are outside of Russia (remote work) or willing to relocate to Limassol (Cyprus), or Almaty (Kazakhstan). We support relocation (visa, package) when needed. This is a senior-level position with a competitive salary and benefits package (depending on location). If you're looking for an exciting new opportunity to advance your engineering skills and make an impact in the world of finance, Vivid is the perfect place for you. Join our talented team of professionals and help us revolutionize the way people think about their money! About the company   Vivid offers a unique mobile banking app and a distinctive digital investing platform from a single app. Whether it’s payments, transfers, multi-currency accounts for your travels, spendings reports, split bills as well as the possibility to invest in international stocks, ETFs, precious metals and crypto. With Vivid, managing your finances is easy, flexible and 100% transparent.   We founded Vivid wanting to bring a colourful and entirely different experience to modern banking. Banking needs to put the customer first and in control. With our knowledge and experience, we strive to help our customers earn more and increase their wealth. Online banking needs to be very easy, and on the other hand, very safe.   On the 8th of June 2020, Vivid was launched in Germany as its first market, followed by France, Spain and Italy, with more European countries to come!

Who is Risk Labs? Risk Labs is the foundation and core team whose mandate is to build and grow the UMA and Across protocol ecosystems.   What is UMA? UMA's optimistic oracle (OO) can record any verifiable truth or data onto a blockchain. UMA Purpose: UMA is the canonical source of truth that blockchains use to verify real world data. UMA Vision: UMA enables any verifiable truth to be recorded on-chain, trustlessly.   What is Across? Across is a cross-chain bridge for L2s and rollups secured by UMA’s OO. Across' purpose: Across is to fulfill crypto’s potential by making blockchains more usable, more accessible and more efficient. Across’ Vision: Intents are the standard in x-chain interoperability, and are settled by Across.   We are looking for a data engineer to help design and scale our data infrastructure. We are a data-driven organization and view the data pipelines that influence these decisions as essential team infrastructure. Your role will include architecting and building that infrastructure as well as working with the data analysts who rely on the pipeline. You'll be predominately focused on the Across protocol for the foreseeable future but there is an opportunity to work across the UMA protocol as well.   We believe that many different candidates could be a good fit for this role. Maybe you have a background in building data pipelines at a TradFi or technology firm and looking for your first blockchain related job. Perhaps you have focused mainly on backend development but have a deep familiarity with how blockchain data is organized and processed. Most importantly, we are looking for someone who has deep expertise in building out ETL pipelines and working with data. Responsibilities Indexing complex onchain data: Design systems that index complex onchain data for ease of use and speedy access. Gas efficient protocols rely on indexing to keep user experiences snappy, pleasant, and cheap. Data engineering: Design and develop large-scale data pipelines to provide the data which drives our understanding of users and our protocol’s real-world performance. Code review and mentorship: Write code in a highly collaborative open source ecosystem. As much of your day will be spent reviewing and designing code as it will be writing new code. We take pride in writing clean code. Requirements 4+ years full-time experience in Data Engineering at a software, financial services, or related technology organization 2+ years of experience with databases and data pipelines Outstanding critical thinking skills; low ego, high curiosity and comfort in being wrong Demonstrated ability to learn new tech and write secure and clean code  Passion for blockchain technology, cryptonomic protocol design, game theory, and decentralized finance Growth mindset; a desire to learn from and mentor those around you Strong communication and collaboration skills, especially written Experience with blockchain-based projects (hackathons or personal projects as well) is a big bonus, but not absolutely required   Language experience is not as important as your demonstrated ability to learn quickly but our stack is simply: Python, Solidity, Typescript, GCP Compensation and Benefits Pay packages include competitive salaries & meaningful token options Salaries for this role range from $100-200k (USD), and your token allocation can grow with your voting rewards while you participate in the growing ecosystem Will pay in stablecoins or fiat Philosophies for a culture that show we care: Take vacation when you need it, family care, training and development (just to name a few) 100% remote, which means we encourage you to create the work environment that you thrive in At least two team wide offsites a year Studies have shown that women and people of colour are less likely to apply to jobs unless they meet every single qualification. Risk Labs, the employing entity, is an equal opportunity employer and is dedicated to diverse, inclusive, and authentic workplaces. So,  if you’re excited about this role but your past experience doesn’t perfectly align- we encourage you to apply anyways. We value you taking the chance. Risk labs will not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.   Our values:  1) We value each individual’s right to economic freedom. 2) We value openness, honesty, and directness. 3) We value integrity. 4) We value iterative learning. 5) We value taking smart risks. 6) We value creating an environment where everyone “does their best work”.   Why do we love working at Risk Labs? We are a group that's aligned with the ethos of the crypto industry and doing our best to make an impact for the industry and world at large. You’ll succeed with Risk Labs if you’re a self-starter, kind, adaptable, and passionate about making an impact. Risk Labs is a values driven team that strives to create an environment where we can do our best work, and succeed. We're building products that we believe in, and continuing to strive for innovation and growth. Both personally and professionally we support each other to create a happy, healthy, and inspired team vibe, so we can remain motivated to build things the world needs and loves. We take pride in the fact that we are at once family-friendly as well as nomad-friendly. UMA's optimistic oracle is a decentralized truth machine for Web3- yes, that’s a bold and very exciting statement. We’ve built a solid foundation, in terms of the team, the technology, and the products, and the road map ahead is one full of exciting technical challenges, growth, and telling our story to the world. Across is forging the path for intents-based solutions and settlements, creating an interoperable world where DeFi is seamless. We’ve grown from an early bridge, to a market leader, and won’t stop innovating and building. We have big dreams, and a team excited to bring them to life.    Still want to know more? - Our team blends a mix of highly-sought engineers, and a diverse business team to showcase their high quality tech. Our international and fast-growing team includes a diverse background of experiences and has drawn world class talent. We have a great network of supportive investors from groups like: Placeholder, Blockchain Capital, Bain Capital, Coinbase, Dragonfly... to name a few. - Teammates take the time off that they need and support each other to be their best selves- we care about your wellness.  - You will not get bored with Risk Labs. We are constantly developing, building, experimenting and evolving. Yes we try to allow people to focus on their specific product areas, but things are always shifting and evolving. There’s no right answer and we’re all just doing our best!

Do you want to work on cutting-edge projects with the world’s best developers? Do you wish you could control which projects to work on and choose your own pay rate? Are you interested in the future of work and how the cloud will form teams? If so - the Gigster Talent Network is for you.   At Gigster, whether working with entrepreneurs to realize 'the next great vision' or with Fortune 500 companies to deliver a big product launch, we build really cool solutions that make a difference! From blockchain to AI/ML to VR and more, Gigster builds enterprise software on cutting-edge technology.   We are seeking highly skilled and experienced Staff Site Reliability Engineers (SRE) to join our dynamic team. As a member of the Gigster Network, you will have the chance to become a member of amazing teams where you'll be responsible for ensuring the reliability, scalability, and performance of our critical systems and services. As a Staff SRE, you will play a pivotal role in shaping infrastructure for our client and driving initiatives that improve the overall service quality.   Requirements: System Design and Architecture: Design, build, and maintain scalable and reliable infrastructure. Collaborate with engineering teams to ensure systems are designed with reliability and scalability in mind. Evaluate and integrate new technologies to enhance our infrastructure. Monitoring and Incident Management: Implement and maintain monitoring and alerting systems to detect and respond to issues promptly. Lead incident response efforts, ensuring quick resolution and effective communication. Conduct post-incident reviews and drive improvements based on findings. Automation and Optimization - Reduce SRE Toil: Architect & Build innovative automation projects (preferably in Python/GoLang) from scratch to help reduce day-to-day SRE toil  Create Bash scripts to automate mundate manual activities like upgrades, status checks and deployment  Develop and maintain infrastructure as code (IaC) using tools such as Terraform, Ansible, or similar. Automate repetitive tasks and processes to improve efficiency and reduce manual intervention. Collaboration and Mentorship: Collaborate with cross-functional teams to deliver high-quality products and services. Mentor and guide junior SREs and other team members. Advocate for best practices in reliability engineering across the organization. Continuous Improvement: Drive initiatives to improve service reliability, capacity, and performance. Participate in capacity planning and disaster recovery exercises. Stay current with industry trends and emerging technologies. Education and Experience: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience). 8+ years of minimum experience in the industry as a Software Engineer, SRE or Platform Engineer. Minimum 3+ years of experience as a Platform Engineer or SRE. Proven experience in managing large-scale, mission-critical infrastructure. Technical Skills: Deep understanding of Linux/Unix systems and networking. Proficiency in at least one or more programming languages (e.g., Python, Go, Java). Intermediate to Expert level skill in bash scripting  Experience with cloud platforms (AWS, Azure, GCP) and container orchestration (Docker, Kubernetes). Strong knowledge of monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack). Familiarity with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI). Soft Skills: Excellent problem-solving skills and a proactive attitude. Strong communication and collaboration skills. Ability to work independently and as part of a team. Demonstrated leadership and mentoring abilities. Candidates must be able to work during Pacific time hours 8am - 5pm PST, open to on-call rotation.  ​​Recruitment Process: English Proficiency Assessment (25 mins) Technical Assessment (45 mins) Recruiter screen (30 mins) Technical Interview (30-45 mins)   We strive to move efficiently from step to step so the recruitment process can be as fast as possible. Benefits - We don’t call them perks, they’re just part of what makes working at Gigster great. World-class network. Be part of a network with the most talented people in the world. Amazing cutting-edge projects. Pick the projects from F500 companies that you’re interested in. 100% remote and global. Live your best life, wherever that may be, and never lose out on career opportunities because of it. Flexible work hours. There is a time to overlap with the customer’s timezone, but most of the time, we work asynchronously and don’t care when you’re online; you just deliver great results. Flexible offerings. Choose how many hours you want to work and how much you want to earn. Swag! Because who doesn’t love swag?

Bishop Fox is the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface management to product, cloud, and application security assessments. We’ve worked with more than a quarter of the Fortune 100, half of the Fortune 10, eight of the top 10 global technology companies, and all of the top global media companies. Our Cosmos platform, service innovation, and culture of excellence continue to gather accolades from industry award programs including Fast Company, Inc., SC Media, and others. For more than 16 years, we've been contributing and giving back to the security community. We’ve published more than 16 open source tools and 50 security advisories in the last five years alone. Learn more at bishopfox.com or follow us on social media.  We’re looking for talented, experienced professional hackers to help us secure some of the world’s most complex software and sophisticated technologies. You’ll be working alongside our Mexico, US, and other internationally-based teams supporting clients across multiple industries.                                                    Responsibilities You’re a penetration tester who knows their way around source code. You’ve plundered apps and pillaged networks (legally, of course). You have a passion for hacking and information security. You may also have written a few blog posts about your favorite hacks or have presented at a handful of conferences – with an eye to doing more. With Bishop Fox, your responsibilities would include testing web applications, hacking networks, and reversing software. As a consultant, you’ll work on a variety of projects which include short-term engagements and extended program work with well-established clients. You'll solve challenging technical problems and build creative solutions. As a trusted advisor, you’ll provide your expert opinion to help our clients navigate difficult business decisions.         Requirements 7+ years experience in planning, conducting, and managing web application penetration tests 5+ years of application security experience Deep understanding of security fundamentals (OWASP), common vulnerabilities, and application security best practices Skilled in vulnerability assessment and the development of exploits for diverse targets Background in system and network security, authentication and security protocols, and applied cryptography is helpful Experience with programming and scripting languages such as Python, Ruby, PowerShell, Java, JavaScript, etc. Experience with AWS cloud environments preferred with an understanding of its major technologies, such as IAM, EC2, VPC, EBS, S3, CloudWatch, and Lambdas, and how to keep them secure Proficiency with operating systems- Linux, Windows, MacOS Experience with network and system exploitation including modern tactics, techniques, and procedures (e.g. c2 frameworks, EDR bypass, privilege escalation, password cracking, lateral movement, etc.) Strong technical reporting and documentation skills Advanced relevant academic training, such as a degree in Computer Science or an OSCP, is a definite bonus Bishop Fox has always allowed its employees to work remotely, and this role could work anywhere in Mexico. Our comprehensive benefits program is tailored to meet your needs. We embrace diversity and an inclusive culture. We value our employees and who they are, which fosters a powerful and collective talent base to successfully serve our clients and the security community with unparalleled expertise.  Bishop Fox is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.  All new hires must pass a background check as a condition of employment. Interested? Apply today!   

The Role:   We are looking for a Senior Symfony developer for one of our clients. You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products and growth features.  What we are looking for: 5+ years experience working with PHP 3+ years experience working with Symfony 4 or newer Strong, demonstrated experience writing PHP unit tests Strong experience with DDD Regular experience working with Docker Familiarity with queue systems such as RabbitMQ and Amazon SQS Familiarity with MySQL, Redis, and MongoDB Understanding of event-driven architecture, microservices patterns and JSON Working knowledge of Javascript development Strong written and verbal communication skills Ability to think and work independently   Responsibilities:  Work as part of a team to deliver digital solutions across web and mobile platforms Translate high-level requirements into executable software designs Implement software solutions using Symfony  Ensure all code is thoroughly tested and meets development criteria Identify and address technical debt in the codebase    What Proxify offers   Career-accelerating positions at cutting-edge companiesDiscover exclusive long-term remote engagements at the world's most interesting product companies. Hand-picked opportunities, just for youSkip the typical recruitment roadblocks and biases with personally matched engagements. Fast-track your independent developer careerStart small and gain more freedom to take on new engagements as you build your independent developer career. A recruitment process that values your timeOnly one hiring process with the possibility of several positions, without any additional tests.