Senior Software Engineer, Onchain (Backend)

Gemini; New York (NY); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health plans

401K with company matching

Paid Parental Leave

Flexible time off

Job summary

Gemini is seeking a Senior Software Engineer (Backend) to join the Onchain department. You will help design, build, and support crypto wallets, focusing on deposits, withdrawals, and secure storage.

You’ll work within a core engineering team to deliver scalable backend services and secure contract protocols that connect Gemini users with the crypto ecosystem. The role emphasizes code quality, maintainability, and collaboration across teams, with opportunities for impact across multiple product

Qualifications

• 5+ years of software engineering experience.
• Experience with backend service design and scalable systems.
• Strong knowledge of blockchain concepts and crypto wallets is a plus.

Responsibilities

• Improve feedback cycles at all levels of development.
• Ramp up on industry trends and competitive landscape.
• Deliver high-quality, maintainable code.
• Build secure contract protocols and backend services for Gemini users.
• Assess design impacts across teams and the company.
• Review code for correctness, style, and security concerns.
• Refactor and upgrade the Gemini codebase to improve performance and operations.

Skills

Scala

Java

C#

Blockchain Technology

Cross-team Collaboration

Job description

About the CompanyGemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.The Department: OnchainThe Role: Senior Software Engineer (Backend)As an engineer in the Asset Transfer Team, you’ll be working as part of the core team of engineers responsible for designing, building, and supporting crypto wallets. The team supports everything related to accepting deposits, issuing withdrawals, and the secure storage of cryptocurrency on the platform.Responsibilities:- Improve feedback cycles at all levels of development (examples: improving the experience of iterating on code locally, deploying to test environments, deploying to production)- Quickly ramp up on relevant industry and competitive trends- Consistently deliver code that sets the standard for quality and maintainability- Build secure contract protocols and backend services to connect Gemini users with the crypto ecosystem- Systematically think through potential design impacts on other teams and the company- Review other software engineers’ code for correctness, style, and information security concerns- Improve the performance, maintainability, and operations of the Gemini code base by engaging in refactoring and upgrade projectsQualifications:- At least 5 years of software engineering experience- Expertise in Scala or in a similar backend programming languages, such as Java or C#- Identify and advocate for foundational work and practice improvements in their vertical- Genuinely passionate about working with developers and improving their experience and velocity- Technical aptitude around Blockchain Technology- The ability to work closely across teams and manage dependencies- A customer and product-focused mindset, with the ability to make well-reasoned tradeoffs between speed and quality- The ability to adapt and handle multiple competing priorities in collaboration with peers- Can successfully plan and execute projects involving multiple developers and complex requirements, prioritizing strategicallyIt Pays to Work HereThe compensation & benefits package for this role includes:- Competitive starting salary- A discretionary annual bonus- Long-term incentive in the form of a new hire equity grant- Comprehensive health plans- 401K with company matching- Paid Parental Leave- Flexible time off

Responsibilities

• Improve feedback cycles at all levels of development (examples: improving the experience of iterating on code locally, deploying to test environments, deploying to production)
• Quickly ramp up on relevant industry and competitive trends
• Consistently deliver code that sets the standard for quality and maintainability
• Build secure contract protocols and backend services to connect Gemini users with the crypto ecosystem
• Systematically think through potential design impacts on other teams and the company
• Review other software engineers’ code for correctness, style, and information security concerns
• Improve the performance, maintainability, and operations of the Gemini code base by engaging in refactoring and upgrade projects

Requirements

• At least 5 years of software engineering experience
• Expertise in Scala or in a similar backend programming languages, such as Java or C#
• Identify and advocate for foundational work and practice improvements in their vertical
• Genuinely passionate about working with developers and improving their experience and velocity
• Technical aptitude around Blockchain Technology
• The ability to work closely across teams and manage dependencies
• A customer and product-focused mindset, with the ability to make well-reasoned tradeoffs between speed and quality
• The ability to adapt and handle multiple competing priorities in collaboration with peers
• Can successfully plan and execute projects involving multiple developers and complex requirements, prioritizing strategically

Tech stack

• Scala
• Java
• C#