Koyfin
Senior Full Stack Engineer
Remote Senior Full Stack Engineer role with clear candidate location fit.
PostedJun 21, 2026
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
USA
Role overview
Senior Full Stack Engineer
Requirements and responsibilities
Readable role content extracted into sections for faster review.
What you’ll be doing?
- Develop and maintain scalable features for our SaaS web platform using Typescrip
- Develop delightful interactive front-end interfaces using React
- Implement back-end RESTful APIs using Node.js and NestJS and integrate these with the user interface
- Test, troubleshoot, debug and optimize production issues across diverse infrastructure, including databases, queues, caches, distributed microservices, and client-side data layers
- Write clean, maintainable, and well-tested code
- Collaborate with product managers, designers, and other developers to understand financial data and build software that provides correct results
- Participate in code reviews, providing constructive feedback to improve performance, security and code quality
- Identify and help prioritize technical debt to maintain a high team velocity
What we’re looking for
- Proficiency with our tech stack across front-end and back-end: Typescript, React, Node.js, NestJS and MySQL/PostgreSQL; or proficiency in a similar modern languages and frameworks
- Knowledge of public cloud technologies (e.g. AWS), container technologies (e.g. Docker/Kubernetes), and microservice architectures
- A “get things done” problem solver with a strong sense of urgency and attention to detail
- Clear, concise communication skills with demonstrated ability to collaborate well in an agile remote team environment
- 5+ years of experience as a software engineer with a proven track record of delivering long-term value
- Bachelor's degree in Computer Science or related field of study, or equivalent professional experience
What we offer
- Remote-first work culture with flexible hours
- Competitive compensation with performance-based bonuses
- Full benefits package including medical, dental, and 401k contributions
- High-performance gear and resources to support your productivity
- Real impact — your decisions will shape the product and the company’s direction
- Strong team of kind, talented engineers who care deeply about the product and users
- Fast feedback loops — we ship quickly and learn from real users
- Autonomy and influence — take ownership of complex systems and drive meaningful change
- A product-led company with minimal bureaucracy and high trust in our people
Similar roles
Keep a backup shortlist.
AWS, Kubernetes 1 accepted country
Senior Backend Engineer (AdTech)Leap ToolsView role AWS, Kubernetes 1 accepted country
Senior Backend EngineerLeap ToolsView role React, TypeScript 1 accepted country
Senior/Lead Full Stack EngineerTeamviewerView role React, TypeScript 8 accepted countries
Senior Full Stack EngineerFionetView role Stack
Use these tags to compare similar remote roles.
Location eligibility
Candidates should apply only when their profile country is listed here.
Your profileCountry not setSign in to check your country against this role.
Hiring flow
WithMira shows the role, then sends candidates to the company application.
1Check role fit, stack, and location eligibility in WithMira.
2Open the company application page from the tracked apply link.
3Save the role or subscribe for similar opportunities before leaving.