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Senior Backend Engineer

Negotiable Salary

SixMap, Inc.

Columbia, MD, USA

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Description

We are seeking an experienced Senior Backend Engineer to join our platform engineering team. You will be responsible for designing, building, and operating mission-critical distributed systems that power our core business. This role offers the opportunity to work with a modern tech stack while solving complex scalability and reliability challenges. SixMap protects some of the world’s largest and most complex government and corporate enterprises with a continuous threat exposure management (CTEM) platform. The SixMap platform is powered by an advanced computational mapping engine that quickly discovers and continuously monitors the unique contours of the extended enterprise’s Internet-facing assets across IPv4 and IPv6. Upon providing cyber defenders this comprehensive enterprise visibility, the platform complements this awareness with contextual threat intelligence and a suite of remediation measures. The SixMap team brings deep intelligence community expertise and best practices to the defense of both U.S. Federal agencies and Fortune 500 corporations. For more information, please visit: www.sixmap.io. Responsibilities System Architecture & Development Design and implement highly scalable, fault-tolerant distributed systems and microservices Build robust APIs and backend services using modern frameworks and cloud-native architectures Optimize system performance, reliability, and efficiency at large scale Contribute to architectural decisions and technical roadmap planning Platform Engineering Develop and maintain core platform services that enable other engineering teams Implement workflow orchestration and data processing pipelines Build developer tooling and internal APIs to improve engineering productivity Establish best practices for service reliability, observability, and monitoring Collaboration & Leadership Work closely with product managers, designers, and other engineers to deliver impactful features Mentor junior engineers and contribute to team technical growth Participate in code reviews, system design discussions, and technical planning Drive technical initiatives from conception through deployment and maintenance Operational Excellence Implement comprehensive monitoring, alerting, and observability solutions Design systems for high availability, disaster recovery, and graceful degradation Participate in on-call rotations and incident response procedures Continuously improve system reliability and operational efficiency Requirements Experience: 8+ years of software engineering experience with a focus on backend systems Distributed Systems: Strong experience designing and operating distributed systems at scale Programming Languages: Expert-level proficiency in Java and/or Kotlin or a similar. JVM language; experience with Python or similar is a plus. Frameworks: Hands-on experience with Spring Boot Microservices: Proven track record building and operating microservices architectures Cloud Platforms: Production experience with cloud platforms (AWS preferred) Containerization: Experience with Docker and containerized deployments Databases: Strong knowledge of relational databases (PostgreSQL, MySQL). Experience with data warehouses (Snowflake or similar) is a plus. API Development: Experience building RESTful APIs and stable contracts for both internal and external systems Preferred Requirements Workflow: Experience with Temporal or similar orchestration engines Observability: Hands-on experience with monitoring tools (Prometheus, Grafana, DataDog, or similar) Infrastructure as Code: Experience with Terraform, Ansible, or similar tools Experience with AI Engineering and Graph Databases Leadership: Experience mentoring engineers or leading technical initiatives Communication: Strong technical communication skills and ability to work with cross-functional teams Start-up Experience Technical Environment You will work with technologies including: Languages: Kotlin (or comparable JVM language), Python, TypeScript / JavaScript Frameworks: Spring Boot, Spring Security Data: PostgreSQL, Snowflake Infrastructure: AWS (ECS), Docker, Terraform Workflow: Temporal or similar orchestration engines SixMap is an Equal Opportunity Employer and considers applicants for employment without regard to race, color, religion, sex, orientation, national origin, age, disability, genetics, or any other basis forbidden under federal, state, or local laws. All new hires must pass a background check as a condition of employment. Benefits Competitive compensation packages; including equity Employer paid medical, dental, vision, disability & life insurance 401(k) plans Flexible Spending Accounts (health & dependents) Unlimited PTO Remote Working Options

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Columbia, MD, USA
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