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Overview

brainbot technologies AG (BBT) is seeking an experienced, creative and business-minded fullstack developer to grow our new Venture Builder (80%) and help maintain the Raiden Network code base (20%).

About Us

BBT is a pioneering web3 venture builder. We have been building on Ethereum since March 2014. We have 35 employees and offices in Mainz & Berlin. Our projects include Beamer Bridge (rollup-rollup bridging), Shutter Network (malicious MEV protection), Trustlines Network (P2P mutual credit) and Raiden Network (P2P high volume payments). 

The BBT Venture Builder is the center of our company and the origin of all our projects. We look for exciting opportunities, brainstorm web3 solutions, test assumptions, build prototypes, raise VC funding and send the new project off on a life of its own. 

The Raiden Network is infrastructure for high volume payment solutions. Raiden is now fully functional and feature-complete on both Ethereum Mainnet and Arbitrum. Now we are seeking additional use cases for implementation and transitioning to community governance.

Responsibilities

Venture Builder (80%)

• Identify problems (real world and web3) and brainstorm solutions to these problems
• Validate and/or invalidate key assumptions via research and testing, provide assessment of technological feasibility
• Rapid prototyping and MVP creation, get the technology into the hands of the user/customer and get feedback ASAP
• Interview and assess potential new hires (especially developers) for the new ventures

Raiden Network (20%)

• Ensure all Raiden infrastructure on testnets and mainnet (Ethereum, Arbitrum) is running and stable at all times
• Maintain the Typescript and Python Clients
• Conduct preventative and corrective maintenance, update dependencies, make occasional releases, adapt to changes in the ecosystem, fix critical bugs, refactor code
• Operate testing infrastructure, such as running Raiden Services
• Keep the documentation up to date with any changes

Ideal Candidate

Must Haves

• Ethereum and EVM Based Blockchain knowledge
• Ability to do full stack development with Typescript or other programming languages
• Experience with Android/iOS apps - developing and publishing, setting up monitoring service for error logs, etc.
• Experience with Python, especially:
  • gevent
  • web3.py
  • mypy
• Experience with TypeScript, especially:
  • Browser, Vue, Vuetify
  • NodeJS, expressJS, pouchDB
  • ethersJS, RxJS, Redux
  • Functional programming patterns

Nice to Haves

• 2+ years experience in a startup, VC, accelerator, or similar fast-paced and dynamic work environment 
• General understanding of the business fundamentals and dynamics
• System administration
• Devops skills
• Comfortable engaging with external stakeholders, participating in hackathons, pitching to VCs, presenting at conferences (if you’re an introvert, you should still apply)
• Have personal experience in web3, including (one or more of the following): crypto, DeFi, ReFi, NFTs, DAOs, identity
• Willingness to relocate to (or visit often to) Mainz or Berlin, Germany 

Benefits

BBT is a progressive company, which actively seeks to help employees fulfill their highest aspirations and achieve a rewarding lifestyle. We offer:

• Flat company structure and lots of professional freedom
• Flexible working hours and locations
• Attractive compensation package
• Fruits, snacks and drinks (including our own beer!) in the offices
• Regular participation at international developer conferences
• Annual team retreats
• Modern offices in Mainz & Berlin
• Free choice of hardware
  
  
  

If you are interested or have any questions, please send us an email: career@brainbot.com 

Description

In this role you will be responsible for overseeing complete feature development from database modeling, api design, to frontend UI using a mix of web2 and web3 technologies. Your first mission is to lead the migration of a Ruby on Rails API over to either JS, GoLang, or Rust. You will need a strong understanding of event driven service design as Holaplex is a collection of services that communicate through a common event bus.

You should be able to take feature requests and break them down into distinct tasks which can be completed by other engineers in parallel. Your technical designs should be open for future updates, consider monitoring, and scaling for increased user growth.

About Holaplex:

Holaplex is a young startup with an ambitious roadmap and an incredible opportunity. We make the process of creating ownable digital asset, frictionless, viable and valuable for businesses. We build a suite of tools that enable businesses and brands to engage, grow, and monetize their communities through NFTs.

Responsibilities:

• Act as the primary domain expert to influence technology choices
• Lead by example to build a culture of craftsmanship and innovation
• Produce high quality code in a timely manner in the open

Qualifications:

• BA/BS Degree in Computer Science or related technical discipline, or equivalent practical experience (Required)
• 4-6+ years experience in software design, development, and algorithm related solutions with at least 2 years of experience in a technical leadership position (Required)
• Familiarity with relational databases, writing migrations, and constructing performant queries using ORM libraries such as Active Record and Prisma. (Required)
• 2-4+ years experience building web APIs using Ruby on Rails (Required)
• Experience migrating web services from Ruby on Rails to other web frameworks written in JS, GoLang, or Rust (Encouraged)
• 3+ years creating web front ends using React and Typescript (Encouraged)
• 1-3+ years experience with building APIs using GraphQL (Encouraged)
• An open source contributor on a repository with 100+ stars and 10+ contributors (Bonus)
• Some free time hacking on web3 on any blockchain (Bonus)

The Discipline ❤️

Our engineering discipline builds the technology that enables MoonPay to learn quickly and scale easily. We organize in small cross-functional squads of 4-6 engineers and an embedded Product Manager, Product Data Analyst and QAE. We currently have squads across Crypto / NFT / Payments / KYC / Core Product and others. We’re pragmatic and believe in having fluid structure, this means people can move between teams or specialize.

Tech Stack 💻 

• Typescript as our programming language of choice 
• Node.js as our backend platform
• TypeORM, TypeDI, TypeGraphQL and routing-controllers as our backend libraries
• Postgres as our core database
• Redis for caching
• Bull to manage background tasks
• Heroku to host our backend services
• Some AWS services to send emails and store objects
• React with Apollo for building our customer facing products
• Tailwind CSS and styled-components to make our apps beautiful 💄
• Netlify to host our frontend apps
• New Relic, Coralogix and Sentry for logging and monitoring
• GitHub to manage our source code

What you’ll do 👀

• Architect and develop new and existing products and features.
• Work with Product Managers to come up with the best solutions and implementation plans for new features or changes to existing ones.
• Implement UX and UI in our customer facing app and sometimes design it yourself based on our existing design system and components.
• Scale our systems to support our ever growing partner and consumer base. 
• Contribute to the estimations, planning and execution of  projects, features, and integrations.
• Integrate and work closely with external service providers to ensure smooth operation.
• Maintain and improve our existing codebase.
• Write fully tested, high quality and performant code on both backend and frontend.

You should apply if ✅

• You have extensive engineering experience at leading startups or fast growing tech companies.
• You are confident developing, releasing and maintaining web applications in a fast paced, iterative environment. 
• You’re comfortable working a full stack role on the front and backend.
• You have either had experience with some of our tech stack or are confident you can cross train and up skill quickly. 
• You’ve got a deep understanding of database structures, theories, principles, and best practices.
• You have cloud native experience with AWS or similar e.g Google Cloud
• Bonus points if you make open-source contributions or have experience in Web3 or FinTech.

Research has shown that women are less likely than men to apply for this role if they do not have solid experience in 100% of these areas. Please know that this list is indicative and that we would still love to hear from you even if you feel you only are a 75% match. Skills can be learnt, diversity cannot.

We promote a diverse and inclusive culture at MoonPay.

Logistics 🛠 

Unfortunately, we are unable to offer visas of any kind at this time!

Our interview process takes place on Google Hangouts and tends to consist of the following stages:

• Recruiter call (20-30 minutes)
• Initial screen (30-45 minutes)
• Remote take-home task (role dependent)
• Final interview (2 hours)

Please let us know if you require any accommodations for the interview process, and we’ll do our best to provide assistance.

The problems you'll solve

• Partner with product managers and designers to understand business needs.
• Build secure, resilient, and global infrastructure from the ground up.
• Create and maintain shared services and libraries that are used across our entire constellation of micro-services.
• Develop functionalities end-to-end (backend and frontend) with a world-class team of Engineers.
• Review code across the entire stack and engineering organization while actively participating in product development.
• Find the right balance between progress (i.e. shipping quickly) and perfection (i.e. measuring twice).Foster an efficient deterministic testing culture, with an emphasis on minimizing tech debt and bureaucracy.
• Influence architecture/product roadmap - have a seat at the table.
• Collaborate cross-functionally with everyone.
• Help scale the team.
• Work on the front lines of the blockchain/crypto movement and SecOps innovation.
• Ship code that will impact the global economy.

You may be a fit for this role if

• You have real world experience building complex distributed systems.
• You have experience with React, Next.js, Angular, Vue or any other JS framework..
• You enjoy building services from scratch and supporting them over a meaningful period of time.
• You have a deep appreciation for code quality and test infrastructure.
• You prioritize end-user experience and business value over “cool tech.”
• You self describe as some combination of the following: creative, humble, ambitious, detail-oriented, hardworking, trustworthy, eager to learn, methodical, action-oriented, and tenacious.

Although not a requirement, bonus points if

• You feel comfortable diving down the stack and into open source projects to root cause a bug.In your mind the word “crypto” stands for cryptography, not cryptocurrency.You read blockchain protocol white papers for fun, and stay up to date with the proliferation of cryptoasset innovations.You have a background in the finance industry.

Textile's web products and services are written primarily in Golang and TypeScript, and communicate with Textile's core gRPC services. You will own the end user experience and have full ownership over the product stack, from research and development to implementation and production monitoring.

You will:

• Have 5+ years experience in front-end development experience, building, running, and debugging web applications using modern JS frameworks (React, TypeScript), etc.
• Rigorously work with—and provide feedback on—production systems.

You also likely:

• Are an excellent communicator and writer.
• Are incredibly curios, professional, personable, and self-directed.
• Have track-record of influencing and making critical decisions.
• Have open-source project experience.
• Are interested in Filecoin or related technologies.
• Have attention to detail with a passion for software architecture and design.
• Have a location in a timezone between GMT -3 to GMT -7 (South or North America)

Perks:

• Contribute to technology at the forefront of the web.
• Work with a company on a mission to have a positive impact.
• Work on a fully remote team.
• Work on a small, passionate team.
• An entrepreneurial opportunity where you can have oversized impacts.
• Opportunity to drive innovation and strategy.
• Your work will be open source.

Full-Stack Engineer

Remote-friendly /

Core /

Full-time

Apply for this job

👾 Engineering at Hologram Labs

Hologram is building self-expression engine for the open metaverse. Our ecosystem of products empower people to create, use, and own their favorite digital characters and collectibles over video on any social, gaming, or conferencing platform. As the world becomes increasingly pseudonymous, we’re paving the way to enable anyone to connect with others and change the world as their favorite versions of themselves.

We’re looking for our first Full-Stack Engineers to architect delightful and robust experiences for Hologram’s early users.

Role

• The role will be foundational to our product and teamwork-oriented.
• Our users will depend on your code everyday.
• You’ll help determine the technical direction and quality bar of the company.
• You’ll build cutting-edge tech stacks spanning web3, machine learning, and video processing.
• You’ll work closely with a passionate team of builders, researchers, and crypto-natives who love art, media, and the Internet.

Expectations

• Plan, architect, and implement amazing user experiences and applications from scratch.
• Learn and iterate quickly, but consistently modularize, write tests, and automate processes to ensure our code infrastructure remains robust and scalable.
• Be adaptable to a wide range of engineering tasks and contribute ideas as we grow and take on new directions.

Nice to have

• Experience with web APIs, web graphics (e.g., three.js, pixi.js), and/or web3 development.
• Knowledge / genuine interest in web3, 3D, vtubing, or anon culture.

Any Questions?

Email: gm@hologram.xyz

Twitter: https://twitter.com/tong0x 

We are looking for a full-time Full stack to join the team. You’ll be working directly with Co-Founders developing our dAPP.

Responsibilities

Drive high-level decisions about our platform architecture, implement, test, and audit protocol upgrades and additions. You will develop features on our web platform

Skills & Qualifications

• 2+ year of experience working with Typescript & Vue.js
• 2+ year of experience working with Node & Expressjs
• 3+ year full-time experience engineering at a software or fintech organization
• 2+ year of experience working on blockchain based projects, showing a passion for blockchain technology
• Works well with autonomy and can drive strong culture at early stage startups
• Demonstrated ability to learn new tech and write secure and high quality code.
• Excellent communication skills.

Our tech stack Rust, Javascript, Typescript, Node.js, Vue.js, Nuxt, web3

CropperFinance focuses on Blockchains and Blockchain / Cryptocurrency. Their company has offices in New York City, Hong Kong, London, Paris, and Berlin. They have a small team that's between 11-50 employees.

You can view their website at https://cropper.finance

Responsibilities

• Own and develop a feature for one of our various applications and services
• Fast-prototype on the frontend
• Write succinct documentation
• Write unit test scripts and automation testing
• Work with cloud services, such as Snowflake (DB/SQL), kafka, AWS

Qualifications

• Demonstrated knowledge of computer science concepts such as data structures, algorithms, operating systems, databases and networks.
• Fluent in JS/TS, SQL
• Experience with development on React (TypeScript preferred, but JavaScript is fine too)
• Experience with development on NodeJS
• Understanding of Full-stack development (REST API's, Software Development Lifecycle, Front End vs Backend)

Preferred Qualification

• Experience in startup
• Familiarity with Next.js, Nest.js
• Familiarity with GraphQL

Full Stack Data Scientist

San Francisco, CA /

Data /

Remote

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As the first blockchain discovery engine, Thirdwave empowers blockchain projects with the analytics and insights to understand their customers and the actions that accelerate their growth. We deliver the key infrastructure and tools to enable projects to control their destiny. We connect people to the projects, games, and communities they love.

Thirdwave is looking for a unicorn to join us as a full stack data scientist. Our ideal candidate is someone who thinks and understands from data source to data insight. When presented with large amounts of data, you know how to structure it, clean it, transform it, analyze it, visualize it, and use it to tell stories. You like games and emerging technologies like Blockchains and are passionate about shaping the industry.

What You'll Achieve

As the first IC and a founding member of the Data Science team, your immediate focus will be on designing and building the foundations.  As we collect more Blockchain data, it’ll need to be stored and processed efficiently.  Once the data is there, dive into it and identify insightful behaviors and trends.  You’ll wear many hats and have a lot of autonomy.  Shape and influence the future of the team, product, and the company.

You Will Also

Design and implement data tables and pipelines

Analyze billions of Blockchain events

Collaborate with executives and stakeholders to develop new analyses and insights

Contribute to technology decisions

About You

• Familiarity with common BI an analytics tools
• Knowledge of advanced statistical analysis techniques
• Fast learner, self-starter, go-getter, and intellectually curious
• Strong communicator

Minimum Qualifications

• 3+ years of experience in a full-stack data science environment
• 5+ years of SQL experience
• 5+ years of Python experience
• 5+ years working with data, designing and implementing tables and pipelines and dashboards

Preferred Qualifications

• An advanced degree or a degree in a relevant discipline
• Familiarity with NoSQL databases (MongoDB, Graph databases)
• Experience working with Agile and Kanban frameworks

Location

• Flexible, Remote

What We Offer

Comprehensive medical, dental, and vision coverage for you and your family

Additional benefits to help care for your family such as flexible parental leave and fertility & adoption assistance

Unlimited PTO, including two recharge weeks (two company-wide weeks off, 13 paid holidays AND a $1000 vacation stipend once a year to spend on travel, etc.

Awesome Perks including a $200 monthly Life>

• JOB TYPE: Freelance, Contract Position (no agencies/C2C - see notes below)
• LOCATION: Remote - United States only (TimeZone: PST/CIST | Full day overlap)
• HOURLY RANGE: Our client is looking to pay $65 – $70/hr
• ESTIMATED DURATION: 20 hrs/wk - Long-term

ABOUT US:

Braintrust is the only network that gives in-demand talent all the freedom of freelance with all the benefits, community, and stability of a full-time role. As the first decentralized talent network, our revolutionary Web3 model ensures the community that relies on Braintrust to find work are the same people who own and build it through the blockchain token, BTRST. So unlike other marketplaces that take 20% to 50% of talent earnings, Braintrust allows talent to keep 100% of earnings and to vote on key changes to improve the network. Braintrust is working to change the way freelance works – for good.

We've onboarded some of the world's most reputable brands and now we need a Full-Stack Web Developer (.Net) for one of our clients.  

THE OPPORTUNITY

Must be able to work a full day of PST hours

Long-term project 12-24 months

Requirements

- .NET/C# (5+ years)- Angular- Automated Testing (MSTest preferred)- Entity Framework- GIT- Bootstrap and/or Kendo UI or Node- Azure (DevOps)

Responsibilities: Deliver designs that comply with all UI standards. Deliver code that complies with all technology standards. Perform peer reviews. Collaborate with architects and other developers to produce the design. Ensure User Story Acceptance Criteria is defined before development proceeds. Create technical user stories. Provide estimates to the required level of accuracy for stories and tasks. Create technical documentation needed. Create unit tests before or concurrently with the development of code and submit code for thedaily build using TFS. Generate documentation within the code and within the version control system (e.g. throughproper use of descriptive commit messages, issue tracking, pull requests, etc.). Support continuous integration and build. Ensure unit tests are integrated with the build so the unit tests are automatically run as needed tovalidate quality on an ongoing basis. Develop and execute tests that validate that the component meets the user story's acceptancecriteria. Configure Selenium test environment. Create an automation test plan and identify test cases. Meet the criteria for "Definition of Done". Remove technical impediments raised by the team. Provide design and development knowledge transfer to the client staff. Fix defects according to the established Defect Management process.

Required Experience/Qualifications: Minimum seven (7) years of FTE experience performing as a Front-End and Back-End developer. Projects utilizing:o .NET Technologieso Design secure and user-friendly applicationso Session managemento C#, Angular, Mock-Ups, Responsive Web Design, jQuery Bootstrap, JavaScript,TypeScript, HTML5, CSS3, CSS frameworks like LESS and SASS, Prototype, NodeJS,RESTful APIs, JSON, ADA Compliance, TFS, GitHub, Visual Studio, and SQL Server.

 Experience with automated testing tools. Minimum three (3) years of FTE experience in front-end and back-end development tools,techniques, and methods for user-facing interfaces. Open-source web programming languages and frameworks. Merging technologies and trends, and best development practices.

Apply Now!

ABOUT THE HIRING PROCESS:

Qualified candidates will be invited to do a screening interview with the Braintrust staff. We will answer your questions about the project, and our platform.  If we determine it is the right fit for both parties, we'll invite you to join the platform and create a profile to apply directly for this project.  

C2C Candidates: This role is not available to C2C candidates working with an agency. But if you are a professional contractor who has created an LLC/corp around your consulting practice, this is well aligned with Braintrust and we’d welcome your application.  

Braintrust values the multitude of talents and perspectives that a diverse workforce brings. All qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status.