CirrusLabs · 1 day ago
Senior Backend Engineer (C#/.NET and Python) / Architect
United States
Full-time
Remote
Senior Level, Lead/Staff
10+ years expCirrusLabs is a niche digital transformation company focused on innovation and value creation. The Senior Backend Engineer will lead the design and development of scalable backend services and APIs, mentor engineers, and ensure the reliability and security of solutions in an Agile SAFe environment.
Information ServicesInformation TechnologySoftware
Responsibilities
Architect, design, and deliver backend microservices and APIs (REST/GraphQL) on AWS EKS
Lead technical design documents, architecture diagrams, and ADRs; present and gain alignment with stakeholders
Implement CI/CD pipelines using GitHub Actions; manage GitOps-based deployments via Argo CD
Model, optimize, and operate MongoDB for performance, availability, and scalability
Establish service reliability practices: SLOs/SLIs, alerting, runbooks, and incident response
Ensure security-by-design: secrets management, IAM least privilege, API security, and compliance with best practices
Drive code quality (reviews, standards), testing strategy (unit, integration, contract, performance), and documentation
Collaborate cross-functionally with Product, UX, QA, DevOps, and Security; influence roadmaps and trade-offs
Mentor and coach engineers; lead backlog refinement, PI planning, and delivery in SAFe
Prepare and deliver clear technical presentations and live demos to leadership and clients
Qualification
Required
10–12 years of professional software engineering experience with at least 5+ years focused on backend systems and distributed architectures
Strong programming expertise in C#/.NET and Python for production services
Proven experience designing and operating containerized services on Kubernetes (AWS EKS)
Hands-on MongoDB expertise: schema design, indexing, aggregation, transactions, performance tuning, and operational management (e.g., Atlas or self-managed)
Demonstrated CI/CD ownership with GitHub Actions and GitOps deployments via Argo CD
Advanced AWS knowledge: EKS, ECR, IAM, VPC, ALB/NLB, Route 53, CloudWatch/CloudWatch Logs, Secrets Manager/Parameter Store, S3
API design and lifecycle management: versioning, pagination, rate limiting, authentication/authorization (OAuth2/OIDC/JWT), documentation (OpenAPI/Swagger)
Observability and APM with Dynatrace or similar tools; metrics, logs, traces, dashboards, and alerting
Leadership experience: mentoring, guiding technical direction, influencing stakeholders, and leading delivery in Agile SAFe
Excellent communication, documentation, presentation, and demo skills
Preferred
Experience with event-driven architectures and messaging (RabbitMQ,Kafka/SNS/SQS)
Cost optimization and capacity planning on AWS
Infrastructure as Code exposure (Terraform/CloudFormation) and policy-as-code (OPA) is a plus
Experience with additional APM/observability tools (Datadog, New Relic, Prometheus/Grafana)
Prior experience operating high-availability, high-throughput services in regulated or enterprise environments
AWS Certified Solutions Architect (Associate/Professional) or AWS Certified DevOps Engineer
MongoDB Certified Developer or DBA
Kubernetes (CKA/CKAD) and/or GitHub Actions/Argo CD ecosystem certifications
Company
CirrusLabs
CirrusLabs is an IT company provides agile software delivery, automation, cloud Services, and IoT.
201-500 employees
H1B Sponsorship
CirrusLabs has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (14)
2024 (11)
2023 (13)
2022 (26)
2021 (5)
2020 (7)
Funding
Current Stage
Growth StageLeadership Team
Zia Rahman
Founder and CEO
Shiboo Varughese
CTO
Recent News
24-7 Press Release Newswire
2025-09-29
CirrusLabs Welcomes Nagaraj Padmanabhan as Chief Executive Officer of the Middle East and African Markets
2024-10-10
2023-06-05
Company data provided by crunchbase