Haskell Developer

Backend Developer (Senior Level) (Will also handle CI/CD Tasks) 

Responsibilities: 

● Design and develop robust backend APIs and services using NestJS and Node.js for a 

scalable web3 domain platform. 

● Collaborate closely with cross-functional teams to deliver user-centric backend solutions. 

● Maintain and optimize secure, scalable, and efficient database structures using 

PostgreSQL. 

● Implement and integrate third-party APIs, including blockchain services, oracles, and 

payment gateways. 

● Write clean, maintainable, and testable code adhering to best practices and coding 

standards. 

● Ensure high performance, reliability, and scalability of backend systems. 

● Participate in architecture design discussions, focusing on scalable and maintainable 

system architectures. 

● Implement caching mechanisms to optimize performance and reduce latency. 

● Set up and maintain monitoring tools to track system health, identify bottlenecks, and 

resolve issues. 

● Conduct thorough testing, including unit, integration, and performance tests, to ensure 

code quality. 

● Ensure secure coding practices and implement robust authentication and authorization 

mechanisms (e.g., OAuth2, JWT). 

● Optimize database queries, indexing, and performance for efficient data storage and 

retrieval. 

● Create and maintain clear and comprehensive technical documentation for APIs, system 

designs, and troubleshooting processes. 

● Stay updated on backend and blockchain trends to incorporate innovative solutions. 

Qualifications: 

● 4-6 years of professional backend development experience. 

● Expertise in Node.js and asynchronous programming concepts. 

● Hands-on experience with NestJS. 

● Proficiency in TypeScript and knowledge of modern backend development patterns. 

● Solid understanding of PostgreSQL or other relational databases. 

● Experience with API development, RESTful services, and database design. 

● Familiarity with deploying and maintaining applications on cloud platforms (AWS, Azure, 

or GCP). 

● Familiarity with maintaining CI/CD pipelines, Docker, and Kubernetes, with a focus on 

resolving errors as needed. 

● Strong communication, collaboration, and problem-solving skills.

Location : Remote

Experience: 2+ years

• 2+ years of strong programming skills in developing applications using Haskell (OR) any functional programming language
• Experience in Kubernetes
• Experience in writing well-documented, clean JavaScript code. TypeScript is a plus

1. Bachelor’s degree in Computer Science, Engineering, or related field.
2. 3-5 years of professional experience in web development with a strong focus on JavaScript stack technologies.
3. Proven experience in integrating blockchain technology into web applications, with a deep understanding of blockchain protocols, smart contracts, and decentralized applications (dApps).
4. Proficiency in multisignature, multiparty computation and 3rd party Node provider integration
5. Experience with public blockchain platforms such as Bitcoin, Ethereum, etc.
6. Solid understanding of RESTful APIs and web services.
7. Strong problem-solving skills and the ability to troubleshoot complex issues.
8. Excellent communication and collaboration skills.
9. Ability to thrive in a fast-paced, agile environment and adapt to changing priorities.
10. Experience with continuous integration and deployment (CI/CD) pipelines is a plus.
11. Experience in setting up Bitcoin core, and Geth node is a plus

About Us

Aura is developing a platform to help companies/communities mint, buy, trade and sell NFTs in the easiest manner possible. Developing a state of the art store front customized to the community and a user friendly interface to unlock the digital growth of companies in the gaming, art, music, etc space by leveraging the power of NFTs. We are assembling a high performing team from the tech ecosystem to build this product and compete with the likes of NBA TopShot.

Requirements

• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions

Skills and Qualifications

• 2+ years of experience in Node.js. Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Good understanding of server-side CSS preprocessors, such as LESS and SASS
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of security principles
• Understanding of “session management” in a distributed server environment
• Must have an understanding of SQL and NoSQL databases like Postgres, MySQL, Mongodb etc.
• Must have an understanding of Cloud: AWS or GCP
• Must have a good understanding of data structures and Algorithms

Benefits

• Work on the cutting edge of blockchain technology and the upcoming use-case of NFTs (Non Fungible Token)
• Be a part of an early stage startup with funding from founders of Polygon

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.

Role: Blockchain Developer with .Net

Roles and Responsibilities:

1. Must be proficient in developing object-oriented applications
2. Must have hands on experience on C# & WebAPI.
3. Participate in troubleshooting and training of issues with different teams to drive towards root cause identification and resolution.
4. Participate in technical communication within the team and to other groups, prepare technical design documents.
5. Must have a basic hands on experience on Ethereum Blockchain and Solidity
6. Good to have exposure to Azure.
7. Positive attitude, Smart work, problem solving attitude, ready to upgrade skills with latest technologies
8. Developing technical specifications.
9. Drafting software and application operating procedures.
10. Training junior staff.
11. Good verbal and written communication skills

Required Blockchain(Ethereum) Experience: 3 to 6+ Months

Required C#, .Net Experience: 2+ year

Overall Experience: 2 – 3 years

Industry: https://www.naukri.com/it-software-jobs">IT-Software / https://www.naukri.com/software-services-jobs">Software Services

Functional Area: https://www.naukri.com/it-software-qa-&;-testing-jobs">IT Software – Development and Maintenance

Role Category: Programming & Design

Employment Type: Permanent Job, Full Time

• 0-3 application development experience in solution building on Blockchain technology.
• Solid understanding of and experience in blockchain / distributed ledger technologies familiarity with platforms, such as Ethereum and Hyperledger.
• Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
• Security Architecture / Cryptography is a plus.
• Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus.
• Experience on development tools such as Hyperledger Fabric/Sawtooth,Geth , Composer, Solidity Remix Functional
• Basic understanding of Web applications architecture and protocols.