Koalafi
Fullstack Engineer
Remote Full Stack Engineering role with clear candidate location fit.
PostedJul 18, 2026
Eligible countries1 accepted country
Seniority signalMiddle
Work settingRemote
Accepted candidate locations
USA
Role overview
Fullstack Engineer
Requirements and responsibilities
Readable role content extracted into sections for faster review.
Build and Deliver
- Design, develop, and maintain scalable backend services and APIs
- Build integrations with internal and third-party systems
- Contribute to customer-facing applications and internal tools using modern frontend technologies
- Write clean, maintainable, and well-tested code
- Participate in the design and implementation of distributed systems, workflows, and event-driven architectures
- Support initiatives that improve performance, reliability, and scalability across the platform
Collaborate and Contribute
- Partner with Product, Design, Compliance, and Engineering teammates to deliver high-quality solutions
- Participate in technical design discussions and architecture reviews
- Conduct and receive code reviews with a focus on continuous improvement
- Contribute actively to Agile development processes, including planning, standups, retrospectives, and backlog refinement
- Share knowledge and collaborate across teams to solve complex business and technical challenges
Maintain and Improve
- Implement monitoring, alerting, and observability best practices
- Support operational excellence through troubleshooting, incident response, and root cause analysis
- Identify technical debt and opportunities for system improvements
- Contribute to security, compliance, and audit requirements as appropriate
- Leverage modern development tools, including AI-assisted engineering tools, to improve productivity and code quality
About You
- 2–5 years of professional software engineering experience
- Experience building backend services using Golang
- Working knowledge of REST APIs, HTTP/JSON, authentication mechanisms, and API testing tools
- Experience developing web applications using modern frontend frameworks such as React and TypeScript
- Familiarity with cloud platforms and containerized environments, preferably AWS and Kubernetes
- Understanding of software engineering best practices including testing, code reviews, and CI/CD
- Experience working with relational and/or NoSQL databases
- Ability to navigate existing codebases and contribute effectively to both new and established systems
- Strong communication and collaboration skills
- Desire to learn, grow, and take ownership of technical solutions
Preferred Qualifications
- Experience with event-driven architectures and asynchronous messaging patterns
- Experience in fintech, lending, payments, e-commerce, or other highly regulated industries
- Familiarity with observability and monitoring platforms
- Experience working with microservices architectures
- Knowledge of cloud security and secrets management
- Interest in leveraging AI tools to accelerate software development
Benefits:
- Comprehensive medical, dental, and vision coverage
- 20 PTO days + 11 paid holidays
- 401(k) retirement with company matching
- Student Loan & Tuition Reimbursement
- Commuter assistance
- Parental leave (maternal + paternal)
- Inclusion and Associate Engagement Programs
Who we are & what we value:
- We focus on what’s most important
- We set clear expectations and deliver
- We embrace challenges to reach our full potential
- We ask, “How can this be better?”
- We move fast together
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