Senior Software Engineer, Core

🕒 October 23, 2025

🏢🏡 New York City – Hybrid

💵 $180k - $290k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Stellar Development Foundation

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2014

₿ Crypto

💳 Fintech

💸 Finance

Crypto • Fintech • Finance

Stellar Development Foundation is a nonprofit organization that develops and supports the Stellar public blockchain, a decentralized network optimized for fast, low-cost, and energy-efficient cross-border payments, asset tokenization, and DeFi. SDF provides developer tools, documentation, grants, and enterprise-grade infrastructure and compliance support for builders, fintechs, wallets, and financial institutions to launch payment, tokenization, and financial products at scale.

📋 Description

• Design and build key components of Stellar Core - the backbone software behind the Stellar Network. • Design and develop robust, scalable, and extensible technologies that empower our developers and network participants. • Collaborate on new architectures and subsystems with our CTO, team of engineers, and community of open source developers. • Write clean, maintainable code with emphasis on edge case analysis and future-proofing. • Own core subsystems of Stellar Core and help the team hit critical product milestones. • Collaborate on code review and design, contributing to best practices for all engineering at SDF. • Investigate and refactor performance bottlenecks to continue scaling the system. • Author detailed technical feature and protocol (RFC) specifications, encouraging participation in RFC processes.

🎯 Requirements

• 4+ years of experience developing software on a team • BS or MS in Computer Science or equivalent field • Excel in writing code in modern C++ or Rust in a production environment • Great communicator that can advocate and lead technical discussions • Solid understanding of software design patterns, reusable, extensible, and modular components • Knowledgeable of best practices and development tools, passionate about technological innovation • Passion for performance debugging and benchmarking • Enthusiastic about working on a small, growing team with a lot of autonomy • Open, empathetic, and care about putting the best ideas forward in a collaborative and helpful manner

🏖️ Benefits

• Competitive health, dental & vision coverage with most plans covered at 100% for the employee + any dependents • Flexible time off + 15 company holidays including a company-wide holiday break • Up to 12 weeks of paid parental leave for both non-birthing and birthing parents, as well as up to 14 weeks of paid pregnancy leave for birthing parents • Gym reimbursement ($80 per month) • Life & ADD (up to $50K) • Short & Long term disability • 401K with 4% match • Health & Dependent Care FSA Accounts • Commuter benefits with $250/month employer contribution • Health Savings Account (HSA) with monthly employer contribution • Family building benefits through Kindbody • Wellbeing benefits (One Medical, Rightway, Headspace) • L&D budget of $1,500/year • Daily lunch and snacks in office • Company retreats