Senior Software Engineer, Privacy

Senior Software Engineer, CorpSec

Lyft

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Lyft connects people to transportation to change the way we live and get around our communities. Lyft’s engineering team is growing rapidly, and we are looking for Technical Program Managers to help us scale. Come be part of a new team at Lyft focused on enabling and empowering engineering teams to deliver at scale. Our drivers and passengers entrust Lyft with their personal information and travel details to get where they're going and expect us to keep that data safe. Lyft's security team leads efforts across the company to ensure our systems are secure and worthy of our users' trust. The security team designs and builds Lyft's security architecture, consult with other teams as they build and launch new products and features, proactively plans for the unexpected, and responds to incidents that occur. Our work affects the entire company and takes place at all levels of the stack, from infrastructure to web application security, as well as mobile apps, IT, and autonomous vehicles. We try to approach security from a software engineering standpoint. We believe in scaling security through automation and tooling and we ship frequently. Check out our blog posts at https://eng.lyft.com/tagged/security to learn more about some of the things we’ve built. We’re looking for the right person to join our team to perform service and application security review, and move us along our maturity journey. In order to be scalable, each secure product quality gate must be automated and integrated into our software release pipeline. Our grand vision is a fully automated series of quality controls that constantly validate that our code is secure. In short, we’re building a robot army that constantly validates our current security status. Don’t you want to live in this beautiful world? RESPONSIBILITIES: * Architect and build services that improve the security of our systems with an eye towards scalability and avoiding unnecessary friction * Partner with IT and infrastructure teams to design, build, and maintain performant authentication and authorization systems that balance security with user experience * Own the security posture of identity infrastructure, including SSO implementations, MFA strategies, access provisioning workflows, and identity lifecycle management * Share knowledge by giving brown bags, tech talks, and evangelizing appropriate tech and engineering best practices * Collaborate with teams across Lyft to ensure security best practices are leveraged as we roll out new features and expand our service offerings * Conduct penetration testing, code review and breach readiness across our online and mobile infrastructure * Proactively research new attack vectors that may affect Lyft * Research and implement automated code security quality gates * Build and maintain relationships with key partners both internally and externally EXPERIENCE: * 5+ years of software engineering experience with a high level programming language (bonus points for experience with Python, Go-lang and shell scripts) * 3+ years of experience with computer security (or a deep interest in) * Identity and Access Management (IAM) security experience with platforms such as Okta, Duo Security, Microsoft Entra ID (Azure AD), or similar identity providers * Experience securing identity protocols and standards (OAuth 2.0, OIDC, SAML, SCIM, JWT) * When facing a problem that's poorly defined or outside of your expertise, you can quickly learn what you need to dig in, make sense of the problem, and start working towards a solution * You're a great communicator, and can advocate for your proposals while also empathizing with your teammates' goals and priorities * You understand that security work must be prioritized because all teams have finite resources. You have good judgment and a sense of when to compromise and when to hold your ground * Self-motivated with ability to work independently with minimal supervision * Threat modeling, code review, penetration testing against cloud environments and/or mobile (IOS/Android) * Conduct code review against one or many of the following languages * Python * Go * Java * Swift / Objective C * Development skills to automate code security assessments * Computer networking concepts and protocols, application and network security methodologies * Network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth) * Present findings, recommendations and results to leadership * Ability to communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and/or visual means * Ability to manage multiple tasks and priorities * Ability to work independently with minimal supervision Please submit your resume in English.

Senior Software Engineer, Windows (Drive)

Proton

Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations. Proton today supports over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. Proton has become profitable and reached scale without relying upon VC funding, largely due to superior talent that allows us to do things faster, more creatively, and more efficiently. We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our social media pages to learn more about us: Twitter, Reddit, Instagram. The role: You will be responsible for designing, building, maintaining and evolving Proton applications on Windows. This includes not only building the application internals (managing and syncing local and remote state, performing cryptographic operations, etc) but also helping us to build a resilient, scalable application (graceful degradation; log and metrics streams free of personally identifiable information). You will be involved in the entire application lifecycle, including Gitlab configuration, deployments, monitoring and alerting, and operational incident response. While this position is not a "full-stack" position, you will be expected to collaborate with backend engineers to drive any necessary changes and/or new features needed for the Windows experience. What you will do: * Be part of a small team working to bring a "privacy by default" solution to our clients on Windows. * Develop an application that delights a wide range of users, from layperson to technical, and gives confidence that their online privacy is in good hands - while getting the complexity of end-to-end encryption out of the way. * Invest in testing and automation to improve the team's productivity and software delivery cadence. * Think critically on how to divide problems into iterations of simpler, composable solutions. Re-evaluate the minimum scope as necessary to meet objectives on-time. * Insist on high standards for application monitoring and alerting, in order to ensure a smooth customer experience at all times. We we are looking for: * Strong experience in .NET development * Strong experience building and maintaining Desktop Windows applications * Strong experience with concurrent multi-threaded programming * Working knowledge of file systems * Working knowledge of Git * Bachelor's or master’s degree in a relevant field of study * Experience with owning and maintaining large software components * Experience with gradual rollouts and metrics/monitoring/alerting frameworks Even if you don’t meet all the requirements listed above, but feel you could still be a great fit, please still apply. What We Offer * Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office.  * Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals. * Food: Lunch and snacks are provided by Proton every day at our offices. * Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location. * Stock Options: At Proton, we are all owners of the company and you get stock options when you join us. * Flexible Working: You can define your own working hours as long as it works with team meetings. * Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning. * Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs. * Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton’s only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do. Read more about our impact here. Our Commitment to Diversity and Inclusion At Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals, regardless of race, ethnicity, gender, age, sexual orientation, physical ability, or socio-economic background, feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know. Candidate Privacy Notice When you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG (Proton, we, us, or our), your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills. If we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team at careers@proton.ch. Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton. To learn more about our privacy policy, please visit our privacy policy page. Compensation range Vilnius:  49.000 - 80.000 gross annually* Other locations: Compensation will be discussed during the interview process *Final compensation will be determined based on the candidate's qualifications, skills, and previous experience #LI-ONSITE

Senior Software Engineer (Inbox Desktop)

Proton

Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations. Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions. We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here! The Team Our business unit, Inbox, is a cross-functional team of about 60 engineers, product managers, designers and data analysts driving the development of Proton Mail, the company’s flagship product, and Proton Calendar. Our mission is to create an end-to-end encrypted solution with a better user experience than any other productivity products on the market. While it is not always an easy journey, it is one that offers the chance to create meaningful impact and drive lasting change that we are fully committed to. The Inbox Desktop team is responsible for developing desktop clients of Inbox, specifically the Proton Mail Desktop App, Proton Mail Bridge, and the Export tool. We are in the process of rebuilding our client applications on a new, innovative technology stack centred around cross-platform Rust code. We are looking for a Senior Software Engineer to take the technical ownership of the Proton Mail Desktop App on Windows and Linux platforms. Currently, we use many languages and frameworks in the team like Golang, C++, Qt, JS, TypeScript, React, or Electron. We use standard tools for communication and work organization (Git, GitLab, GitHub, GitLab CI, Jira, Confluence). Our backend runs on premise in Proton’s data centers, and all our client-code is open source and GPL3. Purpose of the role As a Senior Software Engineer in the Inbox Desktop team, you will play a crucial role in driving the development of one of Proton's most vital desktop offerings, the Proton Mail Desktop App. We expect you to be customer-centric, continuous learner, passionate about technology and usability. You are adept at turning technical complexities into seamless user experiences. Effective teamwork, data-driven decision-making, using APIs wisely, collaboration with Product, Design, and with other teams are essential aspects of this role. In the Inbox organization, we believe that a psychologically safe environment is critical to foster innovation, collaboration, and growth. We are rooted in science, and according to both academic research and empirical evidence, teams that feel safe to take risks and express their ideas are more likely to be innovative and perform better: you will play a key role in helping us creating such an environment across the entire organization.  What you will do * Research: Assessing new technologies, supporting cross team and cross business unit technical decision making. * Work breakdown: Transforming product specifications into technical requirements and lead your team to their successful implementation. * Product development: Ensuring high-quality user experiences within our product portfolio by implementing, deploying and maintaining existing and new features. * Scalability: Enhancing software development lifecycle, tools, and processes to improve developer experience and to ensure our solutions are scalable. * Coding: Writing clear, concise and testable code to maintain and elevate the quality of our codebase. * Project management: Managing the scoping, planning and execution of new features, technical initiatives and greenfield projects. * Mentoring: Fostering a culture of learning, creativity, and accountability for the best possible work through mentorship and team development, role modelling quality assurance and performance optimization. Job requirements While we prefer candidates who cover the entire skillset, don't hesitate to apply if you're not an exact match, as we're willing to help you grow in certain areas. * Experience: Significant, relevant professional software development experience with Rust programming language, or with very strong background in modern C++ and reasonably complex Rust pet projects. * Desktop software development: Experience in developing high quality, fast, Windows and Linux cross-platform desktop applications. Familiarity with different native and cross-platform desktop UI frameworks (e.g. Avalonia UI, Qt, Electron, etc.). Experience in working both on user interface and on business logic. * Product mindset: A product mindset with a focus on offering outstanding user experience in a successful business environment. Familiarity with key business and product performance metrics. * Engineering leadership: Ability to make architectural decisions and contribute to strategic planning and product directions. Experience in developing scalable engineering solutions. Able to write effective engineering documents (size, quality, content). * Collaborative Skills: Proven ability to work collaboratively in a team environment, excellent written communication skills, and experience working in a distributed team. * Problem-solving: Strong problem-solving skills and the ability to troubleshoot customer issues remotely while protecting our user’s privacy. Knows what proactive solutions to implement to prepare for such scenarios. * Security focus: Understanding of secure coding practices and a commitment to maintaining high levels of security and privacy. * Bachelor's or Master's degree: In Computer Science, Software Engineering, or a related field. Bonus Points For: * Experience with macOS or mobile cross-platform development.  * Familiarity with using unidirectional data-flow (a.k.a. Elm-like) frameworks * Experience with Grafana, Metabase or other monitoring platforms. * Experience in B2B, preferably in online privacy and/or productivity contexts. What We Offer: * Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office. All of our teams are based in Europe (same timezone +/- 1 hour). * Technology: You can work on introducing new technologies, both for green field projects but also for existing systems. We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals. * Food: Lunch and snacks are provided by Proton every day at our offices. * Transport: We support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location. * Stock Options: At Proton, we are all owners of the company and you get stock options when you join us. * Flexible Working: You can define your own working hours as long as it works with team meetings. * Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning. * Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs. * Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton’s only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do. Read more about our impact here. Our Commitment to Diversity and Inclusion At Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals, regardless of race, ethnicity, gender, age, sexual orientation, physical ability, or socio-economic background, feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know. Candidate Privacy Notice When you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG (Proton, we, us, or our), your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills. If we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team at careers@proton.ch. Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton. To learn more about our privacy policy, please visit our privacy policy page. #LI-ONSITE