Senior Software Engineer, Core

🕒 October 23, 2025

🏢🏡 San Francisco – 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, working alongside our CTO, our team of engineers, and our community of open source developers. • Write clean, maintainable code with an emphasis on edge case analysis and future-proofing our work. • Own core subsystems of Stellar Core, and help the team hit critical product milestones. • Collaborate with the team on code review and design, and contribute to best practices for all of engineering at SDF. • Investigate and refactor performance bottlenecks in order to continue scaling the system. • Author detailed technical feature and protocol (RFC) specifications - we take design seriously, and we encourage everyone to be a part of our RFC processes.

🎯 Requirements

• You have 4+ years of experience developing software on a team. • You have a BS or MS in Computer Science or equivalent field. • You excel in writing code in modern C++ or Rust in a production environment. • You're a great communicator that can advocate and lead technical discussions, especially during the design and code review process. • You have a solid understanding of software design patterns, and how to build components that are reusable, extensible, and modular. • You are knowledgeable of best practices and development tools and are passionate about technological innovation. • You have a passion for performance debugging and benchmarking. • You love a good challenge in an ever-evolving space - many of the challenges we face are being faced for the first time! • You're enthusiastic about working on a small, growing team where you'll be given a lot of autonomy. • You're open, empathetic, and care about putting the best ideas forward in a collaborative and helpful manner. • Bonus Points if: You have direct experience with designing and implementing distributed systems. • You have a strong curiosity in blockchain technologies and cryptocurrencies, and understand the fundamentals of these systems.

🏖️ 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