Senior Software Engineer - Ruby

• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

• Solid experience in RoR, Golang, NodeJS or Python. Good to have exposure to ML.
• Should have experience in cloud computing
• Has an ability to quickly learn and contribute in multiple codebase
• Overcomes roadblocks and requires minimal oversight
• Takes initiatives to fix issues/tech debts before assigned to him/her
• Able to deep dive into codebase and advise QA of possible regression impact
• Communicates tech decisions through design docs and tech talks
• Has delivered projects with end-to-end accountability
• Keeps track of industry trends and introduces right tech/tools for a given job
• Excellent understanding of software engineering practices, Design Patterns, Data Structures, Algorithms

• Part of the core team responsible for powering the various apps and moving parts of the product
• Design, build and own key technology decisions and implementations
• Wear multiple hats - that of an architect, developer, or product owner
• Collaborate with other team members to find optimal solutions and engineering workarounds based on resource/time constraints
• Communicate development status and features to the rest of the team members
• Manage interactions with designers, testers, and other developers

Required Skills :

• 4-6 years of overall software development experience
• 2+ years of development experience with Ruby on Rails
• Experience with support of high-availability, high-performance, customer-facing web applications
• Expert in configuring and deploying multiple rails applications quickly
• Experience with collaborative code development in small agile teams and managing releases (Git, Continuous Integration, Capistrano)
• Experience building internal and external APIs and RESTful web services
• Strong foundation in Database ( SQL / Postgres )
• Experience deploying and managing applications on cloud-based infrastructure (Heroku/AWS)
• Outstanding understanding of software design and architecture

It will be good if you also have:

• Worked in a web startup before and been part of the core development during a high growth phase
• Practical experience with building scalable, high availability, and high-performance systems
• Hands-on background with agile development practices including test-driven development and scrums
• Contributed to open-source projects on Github
• Familiarity with a variety of programming languages and development tools

Job Description:

• Programming and optimizing smart contracts

• Design, research and develop blockchain-based solutions

• Developing decentralized high-performance systems

• Building reliable and fast data storages

• 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

Required qualifications:

4+ years experience in JAVA, 1+ year of experience in Blockchain, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack:

JAVA, 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.