Senior Software Engineer

TL;DR Kharon is seeking a full-time Senior Software Engineer based in Denver. This role requires in-office attendance at least 3 days a week. Design, implement, and maintain backend services Kharon's flagship client-facing application — spanning Kotlin, Java, Go, and Python Develop and ship new APIs and features across the full development lifecycle, from requirements clarification through pull request, QA feedback, and production release Troubleshoot and resolve bugs by investigating logs, reproducing issues locally, and delivering clean, targeted fixes Write automated tests and contribute to a culture of code quality — producing pull requests that are readable, well-scoped, and maintainable Collaborate cross-functionally with product owners, frontend engineers, QA, and architects — serving as a clear communicator who can explain service design, API contracts, and architectural decisions to a range of audiences Contribute to infrastructure responsibilities including CI/CD pipelines (GitHub Actions), Kubernetes cluster deployments across dev/QA/stage/production environments, and core AWS services (Lambda, RDS, EKS, S3) Participate in two-week agile sprints using Jira, with flexibility to support production hotfixes and larger feature releases as needed Support and mentor mid-level engineers on the team over time 5+ years of backend-focused software engineering experience Strong proficiency in at least one JVM language — Java or Kotlin strongly preferred; Spring Boot and/or Micronaut experience a plus Familiarity with microservices architecture and the ability to reason across service boundaries and understand downstream dependencies Experience with Vue.js or openness to contributing to a Vue-based frontend when needed Solid understanding of relational and graph databases; PostgreSQL and/or Neo4j experience a plus Working knowledge of AWS fundamentals (Lambda, EC2, S3) and container orchestration (Kubernetes) Experience with CI/CD workflows, preferably GitHub Actions A testing mindset — comfortable writing unit and integration tests and responding to QA feedback loops Strong communicator who asks clarifying questions, validates requirements before building, and can partner effectively with product and non-engineering stakeholders Comfortable using AI coding tools as a productivity accelerator — with the judgment to review, scope, and own every line of code you ship Bonus: Experience in fintech, risk, sanctions, or financial crime compliance domains