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Full Stack Software Engineer (Frontend Focus, JavaScript, C#, .NET)
OnePlan
Software Engineering
Remote
Posted on Aug 14, 2025
At OnePlan, we specialize in creating AI-enabled solutions that make strategic portfolio, financial, resource, and work management easy and seamless. We help businesses bridge the gap between strategy and execution by offering features that boost business agility, streamline project management, and optimize resources.
What Makes us Unique?
What truly makes OnePlan stand out is our commitment to delivering powerful solutions and fostering a culture of collaboration. We combine robust analytics with a platform that integrates seamlessly into the tools businesses already know and trust. Our high-trust, team-focused environment allows us to innovate quickly and deliver solutions that drive meaningful results for our clients. We're passionate about exceeding expectations, working together to empower organizations to succeed in a rapidly changing business landscape.
- Department
- Product
- Employment Type
- Permanent - Full Time
- Location
- United States (Remote)
- Workplace type
- Fully remote
What You’ll Do at OnePlan
As a Full Stack Product Developer with a frontend focus, you’ll bring rich, intuitive interfaces to life for our AI-driven Strategic Portfolio and Work Management solutions. About 70% of your time will be spent on modern UI development and 30% on the backend. You’ll play a critical role in driving innovation, delivering high-performance, scalable features that set new standards for project and program management solutions.
Product Development & Innovation
- Design, develop, and enhance responsive, accessible, and high-performance user interfaces
- Implement component-driven architecture
- Integrate frontend applications with backend APIs (REST, GraphQL)
- Contribute to backend services using C#, .NET, and Azure Functions.
- Develop and maintain APIs, optimize queries, and ensure secure authentication/authorization flows.
Collaboration with Cross-Functional Teams
- Partner with product managers, UX/UI designers, and developers to ensure seamless user experiences.
- Collaborate to define technical requirements and solutions that meet the strategic objectives of the product.
- Translate design mockups (Figma, Sketch) into maintainable, scalable UI code.
Code Quality & Best Practices
- Write clean, maintainable, and testable code following industry best practices.
- Conduct code reviews and contribute to shared component libraries.
Testing & Troubleshooting
- Troubleshoot and resolve UI and API integration issues.
Continuous Learning & Improvement
- Stay up to date with the latest in frontend frameworks, performance optimization, accessibility standards (WCAG), and DevOps practices.
Our Ideal Fit
- 3-5 years in software development, with proven experience building complex, interactive UIs in JavaScript, React, Angular, or Vue in a B2B SaaS or enterprise environment.
- 3-5 years in backend development with C#, .NET, ASP.NET Core, and Azure services.
- Strong skills in JavaScript/TypeScript, HTML5, CSS3, responsive design, and cross-browser compatibility.
- Proficient in consuming and integrating REST and Graph APIs.
- Familiarity with Microsoft 365 and Azure app/service integration.
- Solid database knowledge (SQL Server, NoSQL, Cosmos).
- Agile methodology experience, working in sprints with iterative product delivery.
- Strong debugging, problem-solving, and communication skills.
Bonus Points
- Knowledge of DevOps principles (CI/CD pipelines, Azure DevOps, GitHub Actions).
- Exposure to AI/ML technologies and their application in product features.
More reasons why you should apply!
- We’re remote-first and have team members across Canada, United States, the UK, and India!
- In 2019, 2020, 2021, and 2022, we were awarded the Global Microsoft Partner of the Year for Project and Portfolio Management award, demonstrating breakthrough customer impact and solution innovation.
- OnePlan has been named a "Strong Performer" in the latest Forrester Strategic Portfolio Management WAVE report.
- We offer comprehensive Health benefits, along with various insurance options.
- Employer RRSP and 401K matching programs.
- We’re committed to building a fun, collaborative, and diverse environment. We regularly host health and seasonal team challenges to keep things light and enjoyable.
Disclaimer: We’ll only contact candidates who have applied directly through our official channels. Any communication about job offers will always come from an email address linked to OnePlan Solutions, and we’ll follow our standard hiring process every time. You’ll never be asked for money or personal information during the interview process. If something feels off, don’t hesitate to reach out to us to confirm.
At OnePlan we are committed to equal employment opportunities regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.
Upon receipt of an offer letter, candidates will be subject to a standard background check process.
Check out what it’s like to work at OnePlan and learn more about us at https://oneplan.ai/
About OnePlan Solutions
OnePlan offers a strategic portfolio, financial and resource management solution that fits the needs of every PMO. Optimize your portfolio, financials and resources enterprise wide. Connect OnePlan with Microsoft Project, Office 365 Planner, Azure DevOps, Jira, and more for a complete view into all work across the enterprise.
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