Fullstack Developer

Context for the Candidates:

Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.

Key Discussion Points:

• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?

• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.

• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?

• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?

• Share best practices for gas optimization, contract upgradability, and backend scalability.

Evaluation Criteria:

1. Technical Knowledge:

• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.

• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).

• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.

2. Problem-Solving and Integration Skills:

• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.

• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.

3. Experience and Expertise:

• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.

• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.

4. Innovation and Critical Thinking:

• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.

• Discussion on the future potential of blockchain technology and how the tech stack can evolve.

5. Communication and Team Collaboration:

• Clear articulation of technical challenges and how to address them in a team setting.

• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.

main objectives of the Senior Developer role

• Delivery of working software according to specifications
• Providing clarity on the progress of development work
• Assisting team members by sharing knowledge and coaching
• Suggesting process improvements with regard to team collaboration

The key requirements include the following:

• Bachelor's degree in software engineering or a related field
• 7+ years of development experience with Python programming
• Experience in setting up CI/CD workflows
• Experience in drafting solution architecture
• Excellent written and verbal communication skills in English

Key expertise and experience:

• Understanding of application architecture built on AWS/Python/React/MongoDB technological stack
• Proven Python skills and experience with modules such as Flask and FastAPI
• Experience in building high-load applications in AWS Cloud, preferably in a micro-service architecture
• Experience in developing commercial software, preferably in the financial domain
• Proficiency in working with legacy code and acquiring domain knowledge
• Experience with MongoDB and/or other NoSQL databases
• Experience in creating and automating tests (pytest) and using containers (Docker)
• Proficiency in using Linux-based development environments with GitHub and CI/CD
• Familiarity with the Atlassian stack (JIRA/Confluence)
• Nice to have – experience in integration with ERP, CRM, and SAP
• Nice to have – experience in building financial systems/knowledge of enterprise economics

Knowledge of key processes:

• Scrum / Agile way of working 
• TDD/BDD
• CI/CD 

Location: Remote

Roles and Responsibilities

• Effectively contribute to FileSpin with the development of new and innovative features
• Work on our core API services
• Write tested and maintainable code following coding standards and best practices
• Contribute to the improvement of integration and internal tools
• Maintain existing features

Desired Candidate Profile

We are looking for a Senior Software Engineer (Backend) to join us and be on our ambitious growth journey. In this role, you will help build FileSpin into the most innovative Digital Asset Management platform in the world. You will have ample opportunities to work in areas solving awesome technical challenges and learning along the way.

Our 2022 roadmap focuses on: creating an amazing API and UI, scaling our cloud infrastructure to deal with an order of magnitude higher media processing volume, implementing more ML pipelines and tuning the stack for high-performance.

Perks and Benefits

• Fully Remote
• Equity options
• Holidays
• Flexible working hours
• Budget for your remote work setup
• Life Insurance

The intangibles:

• A culture that values your contribution and gives you autonomy
• Startup ethos, no useless meetings
• Continuous Learning Budget
• In an entrepreneurial workplace, we value creativity and innovation

Our Mission:

FileSpin's mission is to bring excellence and joy to the enterprise. We are a fully remote team spread across the UK and Europe. We bootstrapped in a garage (true story) and have been profitable from day one.

We value innovation and uncompromising professional excellence. Work at FileSpin is challenging, fun and highly rewarding. Come and be part of a unique company that is redefining what work is.

We are setting up a team in India and looking for senior hires. We are a remote-first company.

Technical:

• Advanced working knowledge of Magento, JavaScript/JQuery, HTML5, PHP, CSS3, and MySQL.
• Must have experience with complete eCommerce lifecycle development.
• Must have experience in modules/extensions development/customization.
• Must have experience in Theme and API integration/customization.
• Good communication skills.
• Must have knowledge of SSH, Nginx, and Apache.
• Knowledge in the GIT version is plus.

Non-Technical:

• Interpersonal skills
• Excellent Verbal & Written communication
• Decision maker
• Good Listener
• Ability to work independently

Roles & Responsibilities:

• Develop back-end/frontend new functionality
• Building and configuring Magento 1x and 2x eCommerce websites.
• Coding of the Magento templates.
• Developing Magento modules in PHP using best practices.
• Designing themes and interfaces.
• Setting performance tasks and goals.
• Troubleshooting integration issues.

About Us

Instavans is a Logistics tech startup focused on the development of SaaS products for the Road Trucking industry. Instavans has built and rolled out SmarTruck™, a SaaS based TMS with a private marketplace. SmarTruck has customers in India & the MENA region and is poised to enter Latam and Sub-saharan Africa.

The company’s innovative go-to-market plan involves working with large Shippers and 4PLs (Fourth Party Logistics Service Providers) to synergistically bring their Carriers on board.

We are looking for people to help us supercharge our growth, while we continue to embody the values that have got us so far already. As we are a rapidly growing company you will gain exposure to all areas of the platform, understanding the key success drivers at an engineering team and gaining invaluable experience for your future career. Success in this role will lead to opportunities for growth across the entire engineering team with significant scope for future development.

We have openings in Frontend (Angular 8+), Backend(Node.js), Android (Kotlin) and QA (Automation)

Job Summary

We are looking for developers who can meticulously analyze project requirements and carry forward the development of backend modules which are highly robust and scalable.

Responsibilities and Duties:

• Development (Coding).
• Code Management (Code Reviews, Maintaining Code Standards).
• Repository Management (Branches, Tags, Documentations).
• Concept feasibility checks.
• Managing a team of 3 - 5 members.

Qualifications and Skills:

• With 3 -5 years of experience in the technology domain.
• Entrepreneurial and self-motivated mindset.
• Experience with web technologies such as:
• HTML5/CSS3
• React or Angular (Experience with server side development)
• Java Spring Boot (Preferred)
• PostgreSQL, MongoDB
• Bonus: C# .NET Core, NodeJS
• Strong data structures, algorithms and design patterns knowledge.
• Deep knowledge of web related technologies such as sockets, REST framework, GraphQL (Bonus), etc.
• Experience working in early stage startups (Bonus).
• Experience in real-time communication products.
• Experience in client communications.
• Would be bonus: Experience working with R&D teams, Prototyping, Hypothesis Testing.

Immediate Joining/Notice period-30days

Job Type: Full-time

Experience: 3 -5 years

Qualification: BE/BTech/MCA.

Location: HSR Layout, Bengaluru, Karnataka

Employment Type

Full-time