Full-Stack Software Engineer

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Job Title: Full-Stack Software Engineer

About The Company

CoinFlip is a digital currency platform that acts as a bridge between the physical cash economy, traditional banking, and cryptocurrency.

Job Description

On your first day, you will focus on security clearances, access provisioning, and setting up your local development environment. By the end of the first week, you will map out the core transaction microservices architecture. You will also ship a low-risk starter code change through the continuous integration and continuous deployment pipeline to the staging environment.

Responsibilities Of The Role

• Build and debug modern client applications using TypeScript and React/Next.js.
• Design, write, and debug production REST APIs in Node.js/TypeScript or Golang.
• Write efficient SQL queries, joins, and perform basic schema design for transaction and onboarding services.
• Own a feature from the database layer through the API and out to the user interface.
• Consume infrastructure managed by DevOps/Platform engineers.
• Read logs, trace errors, and read dashboards using observability tools.
• Understand core cloud fundamentals like S3, basic networking, and environment configurations.
• Implement real-time transaction updates using WebSockets and Webhooks.
• Utilize Go concurrency features like Goroutines and Channels for high-throughput transaction processing.
• Use AI-assisted tools like Cursor or Copilot for productivity.

Required Experience And Qualifications

• 3+ years of full-stack delivery experience.
• Proficiency in TypeScript and React/Next.js.
• Strong backend skills in Node.js/TypeScript or Golang.
• Experience with SQL and relational databases, specifically PostgreSQL.
• Basic familiarity with Kubernetes, Helm, and Terraform.
• Familiarity with observability platforms like Grafana.
• Understanding of core AWS services (S3, networking, environment configurations).
• C1 or C2 English level.

Preferred Skills

• Experience in Crypto, Fintech, or regulated industries.
• Experience with WebSockets and Webhooks.
• Experience with Go Concurrency (Goroutines/Channels).

Personality

• Pragmatic and proactive.
• Takes full ownership across the entire stack.
• Respects security and compliance requirements.
• Cares about internal tooling and consumer UI.
• Communicates clearly and proactively.
• Provides direct and blameless feedback.
• Adapts to fast-paced, two-week agile sprints.
• Exercises deliberate caution around financial and regulatory risks.

Software & Tools

• Cursor or VS Code.
• Docker.
• Git/GitHub.
• Postman (or cURL).
• PostgreSQL client (TablePlus or DBeaver).
• Browser DevTools.
• AWS Console/CLI.
• Kubernetes (`kubectl`).
• Grafana.
• Slack.
• Jira.
• Figma.

Schedule

Monday, Tuesday, Wednesday, Thursday, Friday

09:00–17:00 ET

Weekends: No

40 hours per week

Salary And Benefits

• Payment in USD or Local Currency according to candidate's preference.
• Full-time remote opportunity.