Haskell Developer

At Qiro, we are a dynamic team united by a mission to foster a fair, transparent, and decentralized global lending market. Our focus lies in developing an institutional private credit protocol that seamlessly connects on-chain lenders with off-chain borrowers.

What we’re looking for:

Currently, we are seeking a Senior Backend Engineer to take charge of designing, developing, and maintaining our backend systems. As a pivotal team member, you will play a key role in ensuring the resilience, scalability, and security of our systems. You’ll collaborate closely with cross-functional teams, including smart contract developers, frontend developers, product managers, and designers, to deliver high-quality software solutions that drive our success. 

What You'll Do:

• Build and contribute to backend systems supporting Qiro products, interacting with different blockchain networks and external systems.
• Design and develop scalable and resilient client-facing backend APIs, internal services, and scripts for efficient execution of business logic.
• Architect and implement scalable backend solutions capable of handling growing user loads and evolving business requirements.
• Develop and maintain comprehensive test suites, including unit tests, integration tests, and end-to-end tests, to ensure the reliability of backend systems.
• Implement monitoring and debugging tools to proactively identify and resolve issues, ensuring high system availability.
• Collaborate with engineers, QA, and DevOps teams to deliver high-quality code within project timelines.
• Document code, APIs, and technical processes to facilitate knowledge sharing within the team and support the onboarding of new developers.

What Makes a Great Candidate:

• Strong experience in Node.js and Typescript, with proficiency in frameworks like ExpressJS (additional stacks may be used based on project requirements).
• Previous work experience in the blockchain/DeFi space, demonstrating a strong technical understanding of the EVM ecosystem.
• Proven expertise in developing backend REST APIs at scale, handling high request volumes while maintaining low latency and optimal system performance.
• Extensive professional experience in software design and architecture.
• Deep knowledge of testing frameworks and principles.
• Passion for exploring new technologies and the ability to autonomously evaluate them, making suggestions for improvement.

Nice to Have:

• Bachelor’s or Master’s degree in Computer Science.
• Smart contract development experience.
• Understanding of real-world asset tokenization on-chain.

Benefits:

• Competitive salary with regular reviews.
• Flexible remote work.
• Flexible working hours.
• Opportunities for professional growth—your success has no limits when you're driven to excel.

If you are excited about the prospect of contributing to our mission and possess the skills and passion we're looking for, we invite you to be a part of our innovative journey at Qiro. Apply now to join a team where success knows no bounds!

Treflo is looking for an Engineering Lead to join our Product Development team and work on the financial revolution triggered by the dawn of Cryptocurrencies and Smart contracts along with us. As Engineering Lead, you will be leading the Tech teams focused on Building Web 3 products along with the Product Team to ensure smooth execution of Specifications, provide engineering and product development inputs, oversee the company's technical team, analyze briefs, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals. We see successful Leadership as always expanding their industry knowledge and ability to quickly identify problems, understand accountability, and trustworthiness, and be able to build lasting relationships with their teams.

Responsibilities

Determining project requirements and developing work schedules for the team. Delegating tasks and achieving daily, weekly, and monthly goals. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements. Up to date with industry news and emerging best practices and technologies. Working closely in collaboration with the business, product, and design teams. Provide guidance on best implementation. Product Oriented Thinking - should come up with ideas to improve our product continuously and marshal resources at hand.

Requirements

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. Minimum 4+ years of proven experience in deploying and maintaining Products. Minimum 1+ years of experience building and managing teams. Experience in Web3 stack with a clear understanding of concepts like decentralization, EVM, and cross-chains. Experience with Blockchain development - Smart Contracts, Solidity, Move, Haskell or WASM, etc. Expertise in frontend and backend tech stack - Node JS, Express, Typescript, Solidity, Smart Contracts, ReactJS, Android, Blockchains, Data structures, and Algorithms. Expertise in Databases like MongoDB & MySQL. Experience with solutions like Digital Ocean, Kubernetes, AWS, Docker, etc. Strong leadership, team building, hiring, and organizational abilities.

Desired Skills and Experience Blockchain,JavaScript,Node.js,React.js

At Arcana we are building a privacy centric decentralised data store that allows developers to build more secure and privacy preserving apps for their users.

We are looking to onboard an experienced Golang developer to work on the core protocol we are building. You must:

• Have 3+ years of development experience
• Have 3+ years of Golang development experience in production
• Have worked on distributed systems in production
• Have experience with Goroutine and channels
• Have experience with applied cryptography
• Write clean code and documentation
• Have clear bias for TDD
• Find Git very easy to use
• Have knowledge of Unix/Linux fundamentals - shell scripting, CLI tools etc.
• Have some knowledge of devops
• Have some blockchain experience

Job Description:

• Programming and optimizing rust / wasm based smart contracts
• Design, research and develop blockchain-based solutions
• Developing decentralized high-performance systems
• Building reliable and fast data storages
• Working with virtual machines used by modern blockchains: WebAssembly, EVM, COSMWASM
• Implementing consensus algorithms and other protocols
• Security audits of third-party and internal solutions
• Establishing policies and procedures that produce secure, high-quality software
• Write and review technical proposals
• Improve engineering standards, tooling, and processes
• Coding with concurrency, efficiency and scalability as primary motive
• Document systems, build runbooks, and automate those processes
• Being hands on by writing, testing, and deploying high-performance networking code
• Rigor on clean code, unit testing, code coverage and best practices
• Developing infrastructure software
• Supporting and Leading the team of junior developers.

Required qualifications:

3+ years experience in developing smart contracts, 2.5+ years of experience in Rust, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack:

Rust, cargo, git, linux, bash, ability to work with Docker.

Nice to have:

cryptography and system software development experience,understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.