Principal Software Engineer – Integration

Stellar Cyber

. Own one or more integration domains end-to-end, including roadmap, architecture decisions, trade-offs, and delivery .

Posted 9/29/2026full-timeRemote • United StatesLead💰 $190,000 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend software development with a strong focus on microservices architecture, API design, and integration. Proven ability to mentor teams, drive projects to completion, and adopt AI-driven solutions for enhanced efficiency.

Highest-signal resume keywords

Microservices ArchitectureAPI Design and IntegrationPython, Go, or Java ProficiencyMentoring and Team LeadershipDistributed Systems Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend Software DevelopmentMicroservicesAPI DesignRESTGraphQLStreaming APIsSecure API PatternsDistributed SystemsAI Tools in EngineeringDebugging

Soft Skills

Communication SkillsProblem-SolvingTeam Collaboration

Tools & Technologies

AWSAzureGCPKubernetesHelmKafkaRabbitMQCeleryAirflowMCP

Certifications & Qualifications

Bachelor’s or Master’s Degree in Computer Science or Engineering

Industry Keywords

CybersecuritySOAREDRSIEMXDRLarge-Scale Data ProcessingReal-Time PipelinesEvent-Driven Architectures

Tech Stack

Tools & technologies

AirflowAWSAzureCyber SecurityDistributed SystemsGoogle Cloud PlatformGraphQLJavaKafkaKubernetesMicroservicesPythonRabbitMQGo

About the role

Key responsibilities & impact

Own one or more integration domains end-to-end, including roadmap, architecture decisions, trade-offs, and delivery
Identify problems, scope work, and drive projects to completion
Make architectural decisions regarding system boundaries, API contracts, reliability targets, and build-vs-buy trade-offs
Architect and deliver microservice-based solutions using REST, GraphQL, streaming APIs, MCP, and LLM-powered automation
Connect the platform with cybersecurity tools and third-party services
Mentor engineers through design reviews, pairing sessions, and code reviews
Set technical direction and champion quality, documentation, secure coding, and distributed-systems best practices
Accelerate design and development using LLM coding assistants, AI-driven testing, and automated code review
Automate builds, deployments, monitoring, and incident triage using AI and scripting
Champion AI adoption, build internal tooling, and measure efficiency gains
Attend an on-site interview as a successful finalist

Requirements

What you’ll need

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
8+ years of backend software development experience
3+ years in a Staff-level or tech lead role where you owned a domain or led a team
Proficiency in Python, Go, or Java
Strong foundation in building and operating microservices in production
Deep experience with API design and integration, including REST, GraphQL, streaming, LLM APIs, and embedding services
Experience with secure API patterns, including OAuth, API keys, and rate limiting
Strong background in distributed systems, message queues such as Kafka and RabbitMQ, or orchestration frameworks such as Celery and Airflow
Demonstrated ability to use AI tools such as Copilot, Cursor, Claude, ChatGPT in production engineering workflows
Track record of mentoring engineers and raising team technical capabilities
Excellent system design, debugging, and communication skills
Preferred: Experience in cybersecurity domains such as SOAR, EDR, SIEM, or XDR
Preferred: Experience with large-scale data processing, real-time pipelines, or event-driven architectures
Preferred: Familiarity with AWS, Azure, GCP, Kubernetes, and Helm
Preferred: Experience with MCP, function calling, agent orchestration frameworks, LLMs, or AI services

Benefits

Comp & perks

Pre-IPO Stock Options
Medical, Dental & Vision care
401(k)
Employee Assistance Program
Employee Discount Program
Life Insurance
Paid time off
Referral Program
Rewards and Recognition Program
Bonus opportunity
Career growth opportunities