Role Description We're building the world's first invisible biometric authentication system at TWOSENSE.AI. Our technology recognizes users by their unique behaviors—how they type, swipe, and move—eliminating passwords and security friction. No more authentication headaches, just seamless security that works in the background. This is a fully remote position where you'll directly shape our product and your career trajectory. What You'll Do - Work on the core product alongside the team and directly with our CTO John. - Develop new features, review code, and support existing codebases. - Advance our products across multiple platforms. - Develop backend APIs and partner integrations. - Involved in the full development lifecycle including: - Design - Development - Testing - Deployment - Maintenance You'll Love This If - You’re comfortable in the chaos of a startup. - You like working on a team that’s dedicated to finding the right way to build things, and building them right the first time. - Obsess over writing clear and “clean code.” - Believe in strong peer review and value feedback as an opportunity for reflection and improvement. - Practice test-driven/test-first development. - Take pride in your craftsmanship to develop maintainable software products. - Have a “team-first” mentality and love collaborating with other team members. - Take initiative to detect problems before they arise, and identify potential solutions. - Have the ability to communicate clearly with team members and the rest of the business. - Are looking to learn new things every day, and how much you’re learning is one of the key things you care about. Qualifications - Located in Argentina - Strong experience with C#, .NET Core, and EF Core - Strong understanding of SOLID principles, especially SRP and DIP - Proficiency in automated unit and integration testing strategies - Familiarity with SQL and relational databases - Demonstrated ability to ship production code with AI-assisted workflows - Great communication skills - Experience designing and consuming REST APIs - Strong grasp of common design patterns and best practices Requirements - Hexagonal/Clean/Onion architecture - Domain-Driven Design - Win32 API / C++ - TypeScript or JavaScript - SAML / OIDC - Machine Learning - Python - macOS development Benefits - Fully remote - Work from anywhere - Meaningful equity - Own a piece of what you build - Flexible PTO - Take time when you need it - Monthly project days - Dedicate one day a month to something you’re passionate about - Online learning resources - O'Reilly, Pluralsight, technical books, etc… - Team gatherings - Travel covered for company meet-ups and team events - Full tech setup - High-end equipment, VPN, and resources provided

Title: Software Engineer Location: Seattle United States Job Description: Company Overview Docusign brings agreements to life. Over 1.5 million customers and more than a billion people in over 180 countries use Docusign solutions to accelerate the process of doing business and simplify people's lives. With intelligent agreement management, Docusign unleashes business-critical data that is trapped inside of documents. Until now, these were disconnected from business systems of record, costing businesses time, money, and opportunity. Using Docusign's Intelligent Agreement Management platform, companies can create, commit, and manage agreements with solutions created by the #1 company in e-signature and contract lifecycle management (CLM). What you'll do We are building a cutting-edge App ecosystem for Docusign that will empower developers to seamlessly integrate and extend Docusign's features and applications by implementing custom APIs. You'll contribute to building and maintaining the Extensibility Platform that empowers developers to integrate with, and extend, Docusign's features through custom APIs. In this role, you will implement reliable, scalable, and secure features for the ecosystem, working alongside experienced engineers and collaborating with cross-functional teams. You will collaborate closely with cross-functional teams across the organization, contributing to both platform architecture and feature development. Your work will impact multiple engineering and product teams as you contribute to the development of the platform's foundational features. Additionally, you will participate in inner-team collaboration by engaging in code reviews, assisting in architectural discussions, and contributing to incident response processes. This position is an individual contributor role reporting to the Sr. Manager, Engineering. Responsibility - Contribute to the development and maintenance of Docusign's App ecosystem, enabling integration with core Docusign features via APIs - Implement solutions using Azure technologies, Kubernetes, Terraform, and modern software development practices, with guidance from senior engineers - Assist in designing secure and scalable systems, including queueing architectures and storage (NoSQL and SQL), to meet ecosystem needs - Work closely with team members and stakeholders to deliver features that support easy creation and integration of external apps - Participate in code reviews, share feedback, and learn best practices in software development and DevOps - Collaborate on internal processes, such as workflow optimization and process automation, to improve team efficiency - Contribute to incident response and troubleshooting efforts, ensuring platform reliability Job Designation Hybrid: Employee divides their time between in-office and remote work. Access to an office location is required. (Frequency: Minimum 2 days per week; may vary by team but will be weekly in-office expectation) Positions at Docusign are assigned a job designation of either In Office, Hybrid or Remote and are specific to the role/job. Preferred job designations are not guaranteed when changing positions within Docusign. Docusign reserves the right to change a position's job designation depending on business needs and as permitted by local law. What you bring Basic - 5+ years of professional software development experience, ideally with cloud platforms and distributed systems - Experience developing applications using NodeJS/Typescript or related technologies - Experience with Azure services, CI/CD pipelines (e.g., Azure DevOps), Kubernetes, and Terraform - Experience with queueing systems, NoSQL databases (such as CosmosDB or MongoDB), and SQL databases (such as Azure SQL) Preferred - Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience) - Ability to work effectively on a collaborative engineering team, actively communicating and sharing knowledge - A continuous learner, interested in evolving your skills and contributing innovative ideas to the project - Strong problem-solving skills with a desire to learn and apply best practices for scalability, reliability, and security - Experience in developer ecosystems or extensibility frameworks - Exposure to code reviews and collaborative development tools Wage Transparency Pay for this position is based on a number of factors including geographic location and may vary depending on job-related knowledge, skills, and experience. Based on applicable legislation, the below details pay ranges in the following locations: Washington, Maryland, New Jersey and New York (including NYC metro area): $133,800.00 - $197,750.00 base salary This role is also eligible for the following: - Bonus: Sales personnel are eligible for variable incentive pay dependent on their achievement of pre-established sales goals. Non-Sales roles are eligible for a company bonus plan, which is calculated as a percentage of eligible wages and dependent on company performance. - Stock: This role is eligible to receive Restricted Stock Units (RSUs). Global benefits provide options for the following: - Paid Time Off: earned time off, as well as paid company holidays based on region - Paid Parental Leave: take up to six months off with your child after birth, adoption or foster care placement - Full Health Benefits Plans: options for 100% employer paid and minimum employee contribution health plans from day one of employment - Retirement Plans: select retirement and pension programs with potential for employer contributions - Learning and Development: options for coaching, online courses and education reimbursements - Compassionate Care Leave: paid time off following the loss of a loved one and other life-changing events Life at Docusign Working here Docusign is committed to building trust and making the world more agreeable for our employees, customers and the communities in which we live and work. You can count on us to listen, be honest, and try our best to do what's right, every day. At Docusign, everything is equal. We each have a responsibility to ensure every team member has an equal opportunity to succeed, to be heard, to exchange ideas openly, to build lasting relationships, and to do the work of their life. Best of all, you will be able to feel deep pride in the work you do, because your contribution helps us make the world better than we found it. And for that, you'll be loved by us, our customers, and the world in which we live. Accommodation Docusign is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need such an accommodation, or a religious accommodation, during the application process, please contact us at accommodations@docusign.com. If you experience any issues, concerns, or technical difficulties during the application process please get in touch with our Talent organization at taops@docusign.com for assistance. Applicant and Candidate Privacy Notice States Not Eligible for Employment This position is not eligible for employment in the following states: Alaska, Hawaii, Maine, Mississippi, North Dakota, South Dakota, Vermont, West Virginia and Wyoming. Equal Opportunity Employer It's important to us that we build a talented team that is as diverse as our customers and where all employees feel a deep sense of belonging and thrive. We encourage great talent who bring a range of perspectives to apply for our open positions. Docusign is an Equal Opportunity Employer and makes hiring decisions based on experience, skill, aptitude and a can-do approach. We will not discriminate based on race, ethnicity, color, age, sex, religion, national origin, ancestry, pregnancy, sexual orientation, gender identity, gender expression, genetic information, physical or mental disability, registered domestic partner status, caregiver status, marital status, veteran or military status, or any other legally protected category. EEO Know Your Rights poster #LI-Hybrid

• Design and develop high-performance networking features for enterprise-grade appliances • Work on open-source data plane / fast path stacks (VPP, DPDK) • Lead technical initiatives and mentor team members • Own features end-to-end, delivering independently and at scale • Collaborate cross-functionally and promote knowledge sharing • Communicate architecture decisions and design trade-offs effectively, including at senior levels • Manage competing priorities with urgency, accountability, and strong ownership

• Design and develop high-performance networking features for enterprise-grade appliances • Work on open-source data plane / fast path stacks (VPP, DPDK) • Lead technical initiatives and mentor team members • Own features end-to-end, delivering independently and at scale • Collaborate cross-functionally and promote knowledge sharing • Communicate architecture decisions and design trade-offs effectively, including at senior levels • Manage competing priorities with urgency, accountability, and strong ownership