What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, there are nearly 200 of us working remotely from over 45+ countries.

About Twinstake

Twinstake is a leading institutional staking provider which offers unrivaled knowledge and experience of the institutional market from our founding heritage coupled with deep crypto expertise and technology from our team of core devs and industry veterans.

We stand out in:

• Compliance and Risk Mitigation
• Non-custodial Solution
• Enhanced Reporting and Data
• Optimized Performance
• Premier Service

About the role

We are seeking a back-end software engineer for our platform team who is passionate about developing robust and scalable back-end systems. This role is pivotal in building and maintaining the technological backbone of our services, including API development, database management, and CI/CD processes. Your expertise will ensure our platform’s reliability, performance, and alignment with our compliance and risk mitigation strategies.

What you’re good at:

• Design and implement back-end services, including APIs, microservices, and database schemas, to support front-end applications and enhance user experience
• Lead the development and maintenance of CI/CD pipelines to streamline deployment and ensure high-quality code releases
• Manage database migrations and optimizations to ensure data integrity, performance, and scalability
• Collaborate with front-end developers and product managers to define and meet project requirements, creating a seamless workflow between back-end and front-end components
• Advocate for and implement best practices in back-end development, including code reviews, testing, and security measures
• Participate in the planning and execution of DevOps strategies, working towards improving infrastructure automation and monitoring
• Troubleshoot, debug, and upgrade existing systems, ensuring they meet the latest security and technology standards
• Stay abreast of emerging technologies and methodologies in back-end development, CI/CD, DevOps, and the crypto industry to continuously improve our platform

What you bring:

• Proven experience as a back-end developer, with a strong background in developing scalable and secure web applications
• Expertise in back-end languages and frameworks, Python preferred but will also consider other technologies (e.g. Java)
• Solid experience with database design, management, and migration strategies for relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra)
• Understanding of good software architecture (including cloud-native and serverless architectures).
• Proficient in implementing CI/CD pipelines using tools like GitHub Actions
• A strong understanding of API development principles and experience building RESTful services
• Interest in DevOps practices and experience with infrastructure as code (IaC) tools (e.g., AWS CDK, Terraform, Ansible) is highly desirable
• Experience in the crypto industry with an understanding of blockchain technologies and ideally staking mechanisms
• Excellent problem-solving skills and the ability to work in a fast-paced, dynamic environment
• Strong communication skills and the ability to collaborate effectively with cross-functional teams

What makes you stand out:

• Contributions to open-source projects or active participation in the software development community
• Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes)

What we offer:

• Exposure to innovative technologies in cryptocurrency and blockchain technology
• Great internal growth and development
• Competitive compensation, benefits, and perks
• Flexible hybrid working

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

Senior Full-Stack Developer

Are you looking for a rewarding Full-Stack Developer role in the web3 sector?

Protokol are seeking a passionate and motivated Senior Full-Stack Developer to help develop our products and solutions. Working alongside a friendly and creative development team, you’ll be tasked to work on a wide variety of projects, from developing new features for existing products, to helping create custom solutions for our clients.

This role would suit a candidate from a software development background, with experience in web3 and AWS, and someone who is seeking to be a key player within a rapidly growing team. It would also suit an ambitious and determined individual seeking the opportunity to further their career within Protokol as we scale.

Job Role & Responsibilities

• Develop new user-facing features related to our products
• Build reusable code, components and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Collaborate with other team members and stakeholders, making it possible to quickly jump between projects and responsibilities
• Report to team lead/CTO with issues and any risks identified
• Collaborate with back-end developers and web designers to improve usability. Ensure that all user input is validated before submitting to back-end
• Get feedback from, and build solutions for, users and customers
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies
• Review Pull Requests related to our project
• Follow our contribution guidelines
• Follow our Code of Conduct
• As an employee of the Protokol, represent the company in the best possible way and be respectful when commenting and communicating within community/customers (Slack, Pull Requests and any other Protokol related communication)

Required Skills & Experience

• Proven work experience as a Full-Stack Developer
• AWS experience:
  – AWS CDK / AWS CloudFormation / or Infrastructure as Code in general
  – AWS API Gateway
  – AWS Lambda
  – AWS DynamoDB
  – AWS S3
  – AWS IAM
• GitHub Actions (or CI/CD in general)
• Can develop, debug and work with cloud-native applications
• Understands:
  – Serverless architecture
  – Event-driven architecture
  – SaaS application model from engineering perspective
• Has worked with Microservices; understands loosely coupled infrastructure
• Experience handling multitenancy within an application
• Experience working with data-heavy applications, can design database structures and apply optimizations when needed
• Understands deployment strategies like blue/green, canary deployment
• Great understanding of Front-End technologies (React, Angular, Vue) – senior in one of the stacks, React preferably
• Great understanding of asynchronous request handling, partial page updates
• Proficient understanding of client-side scripting and JavaScript frameworks
• Strong understanding of dApp development process and web3 concepts
• Familiarity with web3 and blockchain technology
• Proficient understanding of code versioning tools – Git

Benefits

Does this sound like the perfect role for you? Want to understand what we have to offer? As well as an exciting opportunity to join a fast-growing and innovative company on the cutting-edge of an exciting new industry, you’ll also benefit from…

• Remote working (with flexibility on working hours), allowing you to balance your life and career to enjoy both to the fullest. We’re accommodating of people’s needs. We DO NOT believe in time keeping and logging hours.
• Competitive salary
• Flexible vacation time including 20 days holiday allowance plus national holidays.
• Strong Vision, Mission, Values and Leadership as well as a strong focus on our people.
• Flexible career development opportunities and opportunity for advancement into leadership as we grow
• Work alongside talented and motivated colleagues, in a fast-growing and innovative company

Apply Now:

• Design, develop, and maintain complex web applications using Node.js, Express.js, Nest.js, and React.js, ensuring scalability, performance, and reliability.
• Architect and implement RESTful APIs, microservices, and serverless functions to support application functionality and integrations.
• Utilize advanced MongoDB concepts, including aggregation pipelines, transactions, and schema design, to optimize database performance and scalability.
• Collaborate with front-end developers to integrate React.js components and create seamless user interfaces that enhance user experience.
• Implement DevOps best practices to automate build, deployment, and monitoring processes, leveraging tools such as Docker, Kubernetes, and Jenkins.
• Configure and manage infrastructure on the Google Cloud Platform, including compute instances, networking, storage, and security features.
• Utilize GCP services such as BigQuery for data analytics and insights, optimizing queries and data pipelines for performance and cost efficiency.
• Monitor application performance, identify and troubleshoot issues, and implement optimizations to ensure high availability and reliability.
• Provide technical guidance and mentorship to junior developers, conduct code reviews, and ensure adherence to best practices and coding standards.
• Stay abreast of emerging technologies, industry trends, and best practices in JavaScript development, DevOps, and cloud computing, and share knowledge with the team.
• Write standard user stories and epics required for development, ensuring clear communication and alignment across teams.
• Stay abreast of emerging technologies, industry trends, and best practices in JavaScript development, DevOps, cloud computing, and product management, sharing knowledge with the team.

• Bachelor's degree in Computer science, Engineering, or related field, or equivalent work experience.
• 5+ years of experience as a JavaScript developer, with strong proficiency in Node.js, Express.js, Nest.js, and React.js.
• Extensive experience with MongoDB, including advanced concepts such as aggregation pipelines, transactions, and schema design.
• Solid understanding of DevOps practices and tools, with hands-on experience in CI/CD pipelines, containerization, and infrastructure as code.
• Experience with cloud platforms, preferably Google Cloud Platform (GCP), including compute, storage, networking, and security services.
• Familiarity with GCP services like BigQuery for data analytics and insights.
• Strong problem-solving skills, with the ability to analyse complex issues, troubleshoot problems, and implement effective solutions.
• Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team environment.
• Passion for learning and staying updated on emerging technologies, tools, and best practices in JavaScript development, DevOps, and cloud computing.
• Strong problem-solving skills, with the ability to analyze complex issues, troubleshoot problems, and implement effective solutions.
• Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team environment.
• Passion for learning and staying updated on emerging technologies, tools, and best practices in JavaScript development, DevOps, cloud computing, and product management.

• Work that fits your personality and lifestyle.
• Your hours are flexible, and so is your vacation.
• Any equipment/software/tech that you need to do your job.
• You can work from anywhere in the world - We work remotely!

Apply Now: