Web3 integration

Senior Back End Developer (Java/Kotlin) - Protocol Team at Rarible
🌍 Shape the Web 3 Future with Rarible
The decentralized power of Web 3 holds immense promise, but to truly harness its potential, we need the right minds and the right tools. At Rarible, our protocol offers top-notch infrastructure and tools, as we aim to foster a digital space that benefits communities across the globe.
🛠 Role Overview
As a Senior Back End Developer on our Protocol Team, you'll be diving deep into the intricacies of the Rarible Protocol — our tailored toolkit designed for web3 developers. This protocol empowers them to establish rich NFT applications, safely trade NFTs, and pull consistent and full data about NFTs. 
Your expertise will be channeled into developing backend services, drawing state information from blockchain and other sources, and integrating it seamlessly into our internal database. Ensuring data reliability and consistency will be a pivotal challenge.
** Ideally this person would be open to hybrid working at our office in Lisbon, but we are also open to candidates in Europe who wish to work remotely**
💼 Your Responsibilities:
Craft & Code: Design and develop the core Protocol service components.
Automate: Implement automated tests to ensure alignment with business objectives and provide room for regression testing.
Optimize: Oversee and enhance the performance of current systems.
Vigilance: Monitor systems, troubleshoot anomalies, and ensure seamless functionality.
Champion Best Practices: Advocate for top-tier technology and software development practices.
Review: Regularly conduct code reviews, ensuring quality and best practices are at the forefront.
🔧 Skills We Admire:
Microservices Mastery: An in-depth understanding of Microservices architecture.
Spring in Your Step: Proficiency in Spring for constructing microservices.
Tech Toolkit: Hands-on experience with MongoDB, Kafka, and Redis.
Startup Success: Previous work experience in fast-paced, remote, and globally distributed startup environments.
Perks:
Full-time role with a hybrid Hub policy in sunny Lisbon, Portugal
Relocation packages available
Unlimited paid days off policy to own your own R&R
Stock options and RARI Token grants
Hardware and software support
Tuition reimbursement program to support your professional development
We are passionate about what we do and care deeply about our product. We are committed to creating a culture of learning and growth, where our team members can thrive. If you are interested in joining us on this mission, we would love to see you on-board!

Senior Back End Developer (Java/Kotlin) - Protocol Team at Rarible
🌍 Shape the Web 3 Future with Rarible
The decentralized power of Web 3 holds immense promise, but to truly harness its potential, we need the right minds and the right tools. At Rarible, our protocol offers top-notch infrastructure and tools, as we aim to foster a digital space that benefits communities across the globe.
🛠 Role Overview
As a Senior Back End Developer on our Protocol Team, you'll be diving deep into the intricacies of the Rarible Protocol — our tailored toolkit designed for web3 developers. This protocol empowers them to establish rich NFT applications, safely trade NFTs, and pull consistent and full data about NFTs. 
Your expertise will be channeled into developing backend services, drawing state information from blockchain and other sources, and integrating it seamlessly into our internal database. Ensuring data reliability and consistency will be a pivotal challenge.
** Ideally this person would be open to hybrid working at our office in Lisbon, but we are also open to candidates in Europe who wish to work remotely**
💼 Your Responsibilities:
Craft & Code: Design and develop the core Protocol service components.
Automate: Implement automated tests to ensure alignment with business objectives and provide room for regression testing.
Optimize: Oversee and enhance the performance of current systems.
Vigilance: Monitor systems, troubleshoot anomalies, and ensure seamless functionality.
Champion Best Practices: Advocate for top-tier technology and software development practices.
Review: Regularly conduct code reviews, ensuring quality and best practices are at the forefront.
🔧 Skills We Admire:
Microservices Mastery: An in-depth understanding of Microservices architecture.
Spring in Your Step: Proficiency in Spring for constructing microservices.
Tech Toolkit: Hands-on experience with MongoDB, Kafka, and Redis.
Startup Success: Previous work experience in fast-paced, remote, and globally distributed startup environments.
Perks:
Full-time role with a hybrid Hub policy in sunny Lisbon, Portugal
Relocation packages available
Unlimited paid days off policy to own your own R&R
Stock options and RARI Token grants
Hardware and software support
Tuition reimbursement program to support your professional development
We are passionate about what we do and care deeply about our product. We are committed to creating a culture of learning and growth, where our team members can thrive. If you are interested in joining us on this mission, we would love to see you on-board!

As a prominent player in the cryptocurrency derivatives trading realm, BitMEX is dedicated to propelling innovation, liquidity, and security benchmarks in the industry.

BitMEX stands out as a cutting-edge peer-to-peer crypto products trading platform, providing knowledge, confidence, and precision to a vast community of traders engaging in high-value transactions every day.

About BitMEX

BitMEX stands as a pioneer in cryptocurrency derivatives exchange, focused on serving the needs of institutional and professional traders. It spearheaded the creation of the Perpetual Swap, a revolutionary crypto trading product, and continuously introduces new crypto derivative offerings such as the ETH Staking Swap. With its secure professional trading platform, BitMEX features low latency, deep liquidity, and uninterrupted access. No cryptocurrency losses due to intrusion or hacking have occurred since its inception in 2014, ensuring user fund security. Besides derivatives trading, BitMEX supports spot trading, cryptocurrency purchase, and conversion, offering a wide range of services to its users.

Overview

The Wallets & Funds system handles the safe custody of bitcoin deposits that serve as margin for traders on the platform. Tracking millions of user deposits and withdrawals across multiple chains, the Wallets team leads in implementing wallet & address format changes and adheres to crypto exchange best practices. BitMEX is expanding its funds and wallets division to elevate the security and efficiency of deposits and accommodate an increasing user base in the future.

Responsibilities

Develop and sustain software for processing customer cryptocurrency deposits and facilitating secure withdrawals in a high-uptime environment.

Enhance test coverage of existing codebases and engage in test-driven development to uphold quality standards.

Contribute to architecting new cryptocurrency and wallet infrastructure using modern standards.

Qualifications

Several years of experience collaborating in a team setting on Python-based projects.

Proficiency in code review and pull request-based workflows.

Skilled in writing software utilizing a variety of network protocols with consideration for appropriate threading/locking models or asynchronous design principles.

Good to have

Proficiency in shipping and deploying container-based software.

Experience handling large datasets in Python, possibly using numpy or scipy tooling.

Advanced understanding of cryptocurrency transactions, including scripts, signatures, utxo set, proof of work, fees, and blocks.

Familiarity with type-checked and well-formatted Python, pytest, CI/CD, and defensive software security practices.

Join BitMEX in the endeavor to build a dynamic cryptocurrency ecosystem through strategic investments in emerging technologies and shaping the future of digital financial services.

About Merkle Science

Merkle Science specializes in providing blockchain transaction monitoring and intelligence solutions to various sectors aiming to combat illicit activities involving cryptocurrencies. With a goal to foster safe and compliant cryptocurrency growth, Merkle Science operates from multiple locations including New York, Singapore, Bangalore, and London. The team boasts diverse experience from reputable companies like Bank of America, Paypal, Thomson Reuters, and Amazon, and has secured significant funding from various investors.

Key Responsibilities:

Formulate financial plans and oversee budgeting and forecasting processes for the organization.

Develop monthly internal and external reports, analyze metrics, and identify variances for informed decision-making.

Drive business development initiatives in alignment with financial plans to enhance profitability and revenue.

Adjust financial plans based on evolving business strategies and needs.

Supervise profit & loss statements, cash flow, and balance sheets to ensure financial stability.

Assess actual financial performance against budget goals to rectify discrepancies.

Improve financial processes to support revenue growth and profitability.

Collaborate with cross-functional teams such as operations, sales, marketing, and customer service to ensure smooth business operations.

Manage incoming service requests from internal and external stakeholders efficiently.

Support the finance team in periodic financial activities for multiple entities and consolidation, including month-end, quarter-end, and year-end processes.

Assist in implementing financial controls and ensuring adherence to established policies.

Qualifications:

Degree in accounting, finance, or related field OR over 2 years of prior experience in business finance or analysis roles with proficiency in accounting software/ERP systems such as Quickbooks, Xero, SAP, or Netsuite.

Strong organizational skills with meticulous attention to detail.

Effective communication abilities.

Comfortable working in a fast-paced environment with tight deadlines and minimal supervision.

Proficient in MS Office and G-Suite tools, particularly G-Sheets and Excel.

Quick learner capable of adapting to new software and processes swiftly.

Previous experience in a startup environment is advantageous.

Application Process (<2 weeks):

Submit your resume through our job portal.

Profiles will be screened, and decisions will be communicated promptly.

Scheduled interviews: Initial call for mutual understanding, followed by a technical round to discuss problem-solving approaches.

Additional technical rounds may be arranged based on prior assessments.

Cultural fit evaluation: Candidates will interact with team members to assess alignment with company values and working environment.

Offer confirmation and celebration upon successful selection.

Additional Information:

Remote work flexibility available during the pandemic period, transitioning to an office-based setup in Bangalore post-pandemic.

Emphasis on well-being with comprehensive health insurance, flexible time off, learning initiatives, and measures to promote work-life balance.

Competitive compensation package with equity options, providing scope for personal and professional growth within the organization.

At Swyftx, we are at the forefront of shaping Australia's digital currency industry. With a rapidly growing user base, we are on a mission to become the largest cryptocurrency trading platform in Australia. Joining our team as a Software Engineer means being part of an innovative company that is redefining an entire industry. You will have the opportunity to work alongside a dedicated group of Engineers who are passionate about their craft and strive for technical excellence. Collaboration with product and design teams is key to ensure our platform is not only functional but also user-friendly. This role allows for a hybrid work environment, with a mix of remote and office-based days from our Brisbane headquarters.

Your responsibilities will include crafting high-quality code using modern front-end technologies like React.js and TypeScript to develop scalable, clean code for our user interfaces. You will engage in collaborative problem-solving with various teams to address technical challenges and enhance user interface solutions. Conducting code reviews to maintain quality standards and performance will also be a crucial aspect of your role. Sharing your front-end expertise through documentation and presentations will contribute to the continuous growth of our development team. Ensuring alignment between front-end development and product objectives, along with actively participating in defining project goals, will be essential to success.

To excel in this role, prior experience in fast-paced tech environments, preferably within fintech or financial services, is desired. Proficiency in React and TypeScript is a must, with familiarity in state management and React Native being advantageous. Experience in resolving customer-facing issues promptly, proficiency in automated testing and unit tests, and a proactive attitude towards creating a positive impact for customers are all crucial attributes. Multiple perks and benefits, including fee-free trading, career development opportunities, social activities, catered lunches, and more, are available.

Swyftx is dedicated to building a diverse and inclusive workforce where every individual is valued and empowered. We commit to creating a workplace where every team member's unique qualities and experiences are celebrated. If you are committed to excellence, integrity, and driving impactful results, we encourage you to apply. Please note we have an internal Talent Acquisition team and are not partnering with external recruitment agencies.