Blockchain Developer

Job Title : Senior Python Developer – Product Engineering

Experience : 5 to 8 Years

Location : Pune, India (Hybrid – 3-4 days WFO, 1-2 days WFH)

Employment Type : Full-time

Commitment : Minimum 3 years (with end-of-term bonus)

Openings : 2 positions

• Junior : 3 to 5 Years
• Senior : 5 to 8 Years

Mandatory Skills : Python 3.x, REST APIs, multithreading, Celery, encryption (OpenSSL/cryptography.io), PostgreSQL/Redis, Docker/K8s, secure coding

Nice to Have : Experience with EFSS/DRM/DLP platforms, delta sync, file systems, LDAP/AD/SIEM integrations

🎯 Roles & Responsibilities :

• Design and develop backend services for DRM enforcement, file synchronization, and endpoint telemetry.
• Build scalable Python-based APIs interacting with file systems, agents, and enterprise infra.
• Implement encryption workflows, secure file handling, delta sync, and file versioning.
• Integrate with 3rd-party platforms: LDAP, AD, DLP, CASB, SIEM.
• Collaborate with DevOps to ensure high availability and performance of hybrid deployments.
• Participate in code reviews, architectural discussions, and mentor junior developers.
• Troubleshoot production issues and continuously optimize performance.

✅ Required Skills :

• 5 to 8 years of hands-on experience in Python 3.x development.
• Expertise in REST APIs, Celery, multithreading, and file I/O.
• Proficient in encryption libraries (OpenSSL, cryptography.io) and secure coding.
• Experience with PostgreSQL, Redis, SQLite, and Linux internals.
• Strong command over Docker, Kubernetes, CI/CD, and Git workflows.
• Ability to write clean, testable, and scalable code in production environments.

➕ Preferred Skills :

• Background in DRM, EFSS, DLP, or enterprise security platforms.
• Familiarity with file diffing, watermarking, or agent-based tools.
• Knowledge of compliance frameworks (GDPR, DPDP, RBI-CSF) is a plus.

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

• Architect highly scalable, highly available systems with minimal guidance.
• Developing p2p infrastructure systems to support blockchain interoperability
• 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
• Supporting and Leading the team of junior developers

Required qualifications

3+ years of experience in Golang, Strong knowledge of Go programming language, paradigms, constructs, and idioms, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack

Go, git, linux, bash, ability to work with Docker.

Nice to have

Experience developing in c++, cryptography and system software development experience, understanding of design patterns, understanding of operating systems and networks.

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.