Back End Technical Lead

Advance English B2+/C1, AWS, Backend, C#, Full Remote, Lead
Costa Rica
September 5, 2025
Freelance
Urgent

Apply for this job

Email *
Full Name *
CV Attachment *
Browse

Upload file .pdf, .doc, .docx

Job Description

We are seeking an experienced Back End Technical Lead to lead the architecture and development of scalable, distributed systems on AWS. This is a hands-on leadership role requiring both deep technical expertise and strong delivery ownership. The ideal candidate will bring proven experience in cloud-native development, 12-Factor App principles, and event-driven architecture, along with a demonstrated ability to lead small engineering teams, manage agile delivery, and foster cross-functional collaboration.

Key Responsibilities

Technical Leadership & Cloud-Native Architecture

  • Lead the design and build-out of 12-Factor cloud-native applications following principles of portability, scalability, and continuous deployment
  • Architect and implement end-to-end distributed systems using C#/.NET and AWS-native services. Familiarity with the latest versions of Angular will be a plus.
  • Design and orchestrate event-driven architectures using AWS EventBridge, Step Functions, Lambda, SNS, and SQS
  • Champion stateless processes, configuration management, and backing services patterns for cloud-native deployment
  • Implement microservices architectures with proper service boundaries and asynchronous communication patterns
  • Drive architectural decisions aligned with AWS Well-Architected Framework pillars: operational excellence, security, reliability, performance efficiency, cost optimization, and sustainability
  • Collaborate closely with Product Managers, UX Designers, and other stakeholders to define requirements and ensure timely delivery of high-quality software

Observability & Performance Excellence

  • Design comprehensive telemetry strategies using OpenTelemetry, CloudWatch, and X-Ray for proactive monitoring
  • Implement continuous improvement practices based on operational metrics and business outcomes

Required Qualifications

Technical Expertise (Must-Have)

  • 8+ years software development experience with 3+ years in technical leadership roles
  • Expert-level mastery of 12-Factor App methodology with production implementation
  • Deep AWS expertise: EventBridge, Step Functions, Lambda, ECS/EKS, DynamoDB, RDS Aurora, and Well-Architected Framework application
  • Advanced proficiency in C#/.NET, TypeScript, and RESTful API development
  • Proficiency in Angular (v10+), TypeScript, HTML5, and CSS3
  • DevSecOps implementation experience including container security
  • Proficient with database technologies, including both SQL and NoSQL databases.
  • Solid understanding of the complete software development life cycle (SDLC), Git, CI/CD, and DevOps practices
  • Microservices and event-driven architecture design and implementation in production environments

Leadership & Communication Skills (Must-Have)

  • Team leadership experience with inclusive management practices
  • Cross-functional collaboration with Product, UX, and business stakeholders
  • Ability to balance hands-on development with leadership responsibilities

Preferred Qualifications

  • Multi-cloud experience: Azure, Google Cloud for strategic flexibility
  • Advanced architectural patterns: Domain-Driven Design (DDD), CQRS, Event Sourcing
  • Container orchestration: Kubernetes/EKS, Docker, and cloud-native deployment strategies

crss

Related Jobs