Senior Full Stack Software Engineer

Senior Full-stack Software Engineer

Raidium

About the company Raidium is building a foundation Model for precision medicine in radiology. Our first release, Curia is already state of the art. Our model is embedded in a new type of solution for the radiologist that enables a revolutionary AI-native workflow. Thanks to a 16M€ seed round raised in November 2024, Raidium is expanding its team.   The team The founders of Raidium are experts in radiology and machine learning from Owkin, bringing together extensive experience from both fields. Paul Herent, CEO, is a radiologist and former interne des hôpitaux de Paris, with a Cogmaster (ENS) and PSL background, and has published pioneering research on deep learning in radiology.  Pierre Manceron, CTO, is a Centrale Paris engineer specialized in Applied Mathematics and Machine Learning, who previously led machine learning projects at Owkin.  Sebastian Schwarz, COO, holds a double degree in X-HEC Data Science & Business, who previously worked as a Strategy & Operations Director at Owkin, where he developed Owkin’s strategic vision and operational agency. Our team brings together strong academic foundations (Polytechnique, Ponts, MVA) and deep medical, AI, and business experience from leading medical and tech companies such as Owkin, Cardiologs, Datadog, and Meta, all united by a mission to revolutionize radiology through cutting-edge technology. The role  As a Full-stack Software engineer at Raidium, play a pivotal role in developing the Raidium product and integrating Machine Learning models. Design, implement, and maintain both front-end and back-end components of Raidium product, involving serving ML models and manipulating radiological images Collaborate with ML Engineers to integrate advanced ML/Deep Learning models into the platform, ensuring the system is highly accurate and efficient. Build the infrastructure and pipelines to support rapid growth in users and data volume without compromising performance. Enforce the best practices to ensure code quality and system soundness: automatic testing, linting, typing… You will work with the R&D team, composed of Software engineers and ML Engineers and you will be managed by Alexandre Blondin, our Lead Software Engineer.

Senior Full Stack Software Engineer

Unknown Employer

This is an opportunity in the exciting and fast-growing transportation technology industry. Public transit is being transformed from a system of static, scheduled fixed-routes, to a dynamic on-demand network, and you will be one of the pioneers shaping this transformation. As a Senior Full Stack Developer at RideCo, you will play a key role in shaping the architecture, design, and delivery of our industry-leading ride sharing platform. You will own features end-to-end across the stack, mentor team members, and drive technical decisions that directly influence product direction. This role is ideal for a developer who thrives in a fast-paced environment and is motivated by building impactful, scalable solutions for real-world challenges.  Your day-to-day responsibilities will include: Backend Development: * Design, build and maintain robust, scalable APIs using Django to power web and mobile applications. * Implement data models and business logic to manage complex interactions and handle high transaction volumes efficiently. * Ensure backend systems are secure, reliable, and optimized for performance. Frontend Development: * Develop dynamic, user-friendly interfaces with Angular, ensuring seamless user experiences across desktop and mobile platforms. * Create reusable UI components and implement responsive designs that adapt across different devices and screen sizes. * Optimize front-end performance for fast load times and smooth interactions. Mobile Application Development: * Design and develop hybrid mobile applications using Ionic for Android and iOS platforms. * Enhance mobile app functionality with new features while ensuring cross-platform compatibility. * Collaborate with the design team to create visually appealing and intuitive mobile user interfaces. Collaboration and Communication: * Work closely with product managers, designers, and other developers to translate business requirements into technical solutions. * Take ownership in sprint planning, daily stand-ups, retrospectives and cross-team collaboration to ensure alignment and timely delivery. * Provide technical mentorship and guidance to junior and mid-level developers.  Testing and Maintenance: * Write unit, integration, and end-to-end tests to ensure code quality and system stability. * Perform debugging and troubleshooting to resolve issues across the stack quickly. * Maintain and enhance existing codebases, ensuring they stay up-to-date with modern practices and technologies. Continuous Improvement: * Lead code reviews to raise the bar for code quality and team knowledge.  * Stay ahead of industry trends and recommend new tools, frameworks and processes.  * Contribute to improving team workflows, tools, and processes for greater efficiency. Your Toolbox / What You’ll Master: At RideCo you’ll get a chance to play, learn, and build with the following tools and technologies as part of a cross-functional team that is the world’s foremost innovator in on-demand transit software. * Languages: Python, JavaScript/Typescript (Angular) * Frameworks: Django, Flask * Web & Mobile: Ionic, hybrid apps for Android and iOS * Infrastructure: AWS, Terraform, Redis, PostgreSQL, Celery, RabbitMQ * Monitoring & Analytics: Prometheus, Grafana, Elasticsearch, Kibana * Development Practices: Agile, CI/CD, Jenkins  Qualifications and Experience: * Degree in Computer Science, Software Engineering, or a related discipline. * 5+ years of professional software development experience, with at least 3+ years in a senior role * Proven expertise in building and maintaining responsive web applications. * Strong experience designing, building, and maintaining RESTful APIs. * Solid understanding of HTML5, CSS3, and modern JavaScript (ES6+). * Experience developing hybrid mobile applications using Ionic. * Proficiency in Python (Django or Flask) and Angular frameworks. * Experience with databases such as PostgreSQL and Redis. * Familiarity with cloud services (AWS, EC2, RDS). * Knowledge of Agile methodologies and CI/CD processes. * Excitement for learning new technologies and solving complex problems. Compensation and Benefits: * Base Salary: $120K - $140K + performance-based bonus + stock options * Work-Life Balance & Additional Perks: Flex-time work schedules, vacation time, bi-weekly catered lunches, social events, casual dress code * Benefits Plan: Medical, dental, prescription, life/health spending accounts and more * Work Environment: Located in KW's most desirable work space in the heart of Uptown Waterloo  * Commuter Program: Complimentary rides to and from work in Waterloo Region Who we are:  http://www.rideco.com [http://www.rideco.com/] RideCo powers on-demand transit. Public transit agencies and fleet operators use RideCo's cloud-based software platform to provide on-demand shared rides in dynamically routed buses and vans. RideCo is growing rapidly, and it is the most adopted on-demand paratransit and microtransit software among the 10 largest cities in the United States.  Our marquee clients include Philadelphia’s SEPTA, RTC Las Vegas, San Antonio Metro, and Houston Metro.   RideCo’s software powers a diverse range of use cases, including paratransit, residential/ suburban travel; first-mile-last-mile connections for transit hubs; and corporate employee transportation.  The success of these services is supported by the industry's best customer service, including a 95% plus customer retention rate.  We are investing to scale up and capture the growing demand for on-demand shared rides solutions. RideCo is proud to be an equal-opportunity employer. We hire the best talent and strive to build a meritocratic culture.  In accordance with the Accessibility for Ontarians with Disabilities Act, accommodations are available upon request for candidates taking part in all aspects of the selection process. If you require special accommodation to complete any portion of the application or interview process, please mention this in your application. #Li-Hybrid Why is this role open? Existing Vacancy RideCo is committed to a fair and transparent recruitment process. We do not use artificial intelligence (AI) or automated decision-making tools to screen, evaluate, or select candidates. All applications are reviewed and assessed by our hiring team.

Senior Full Stack Software Engineer

Capital on Tap

We’re Capital on Tap 👋 💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a best-in-class business credit card, SME-focused spend management platform, a savings product that hit £1 billion in funds within its first year, and a growing suite of tools and financial products that make running a small business easier.  1,000+ employees, £20bn in annual card spend, 200,000+ customers, 17,000+ Trustpilot reviews averaging 4.7 stars, and we're profitable. We’ve done a pretty good job so far, but we’re just getting started!  🏡🏢This is a hybrid role, our engineering teams work from our Matosinhos office Office 2 days per week. Salary: €55,000-70,000 This is a multiple-headcount role, so please don't be put off if you've seen it advertised for a while. What You’ll Be Doing We’re looking for Senior Full stack Engineers to help us build the best credit card and payment products for small businesses. If you’re looking for an environment where you’re given the freedom to make empowered decisions, research new technologies, and learn/share knowledge with your peers. Then keep on reading! * You’ll build robust and scalable solutions using .Net technology * From the first line of code to production, monitoring, and continuous improvement - you’ll own the SDLC * You’ll craft slick, responsive user interfaces with modern JavaScript frameworks (React), making sure our products don’t just work, they feel great to use * Teamwork makes the dream work - you’ll partner with Product Managers, QA’s, and fellow Software Engineers * You’ll build bulletproof unit and integration tests to keep our software sharp and our users happy * Bugs happen. When they do, you’ll be ready to troubleshoot and tweak as needed * You’ll bridge the gap between tech speak and business goals, ensuring everyone’s on the same page and moving forward together We’re Looking For 🔎 Required skills: * A minimum of 5+ years hands-on experience in C#, .Net Core, SQL Server, ideally JavaScript and React also! * Good testing practices, in both Unit and Integration testing * Good understanding of database technologies * Experience in using Agile development practices * A passion for learning new skills and technologies * A proactive, supportive, and collaborative team player Our Tech Stack * Backend: C#, .Net, .Net Core * Frontend: React, JavaScript * Mobile: Flutter, Dart * Databases: SQL Server, MongoDB * Cloud: Azure & GCP Interview Process 🤝 * First stage: 30-minute intro, CV review, and values with a Talent Partner * Second stage: 45-minute “Tech Chat” with a Team Manager * Final stage: 90-minute Code Pairing + 30-minute Values Interview Diversity & Inclusion 🌈 We welcome, consider and encourage applications from anyone who shares our commitment to inclusivity. Join us in creating a space where authenticity thrives, and everyone can do their best work.   Great Work Deserves Great Perks Check out our benefits: 🏥 Private Healthcare through AdvanceCare 🎁 Anniversary Rewards (€280, €570, €860, 4-week fully paid sabbatical) 🚘 Paid Car Parking 🏖️ 36 days holiday (inclusive of public holidays with public holidays carried over if they fall on a weekend) 📖 Annual Learning and Wellbeing Budget 💬 6 free therapy sessions per year 🍫 Free drinks and snacks in our offices   Other Info 👍Check out our ‘Top Tips’ for interviewing. ✔️Keep updated on new job opportunities by following us on Linkedin. 📧Email careers@capitalontap.com if you have any questions. Excited to work here? Apply! If you’d like to progress your career within our fast growing, profitable fintech then click apply and we will aim to get back to you within 3 working days (during busy periods this could take up to 5 working days.)