Senior Software Engineer - Middleware & Integration

Stand Together is a philanthropic community focused on helping changemakers address major societal challenges. They are seeking a Senior Software Engineer specializing in Middleware & Integrations to lead architecture, design, and delivery of scalable web applications and backend services on AWS while mentoring engineers and partnering cross-functionally.

Responsibilities:

• Contribute to architecture, design, and technical decision-making for our Node.js backend services, Contentful CMS integrations, and AWS cloud infrastructure
• Design, build, and maintain scalable, secure, and high-performing APIs
• Improve CI/CD pipelines, deployment processes, monitoring, observability, and system reliability
• Ensure compliance with security, governance, and cloud infrastructure best practices within AWS
• Establish and enforce engineering standards, best practices, and scalable design patterns
• Provide technical mentorship, supervision, and performance guidance to engineers
• Partner with product, design, and business stakeholders to translate requirements into technical solutions

Requirements:

• Open to REMOTE US-based candidates
• Bachelor's or master's degree in computer science, engineering, or related field
• 7+ years of software engineering experience including architecture
• Excellent collaboration, communication, and cross-functional partnership skills
• Proficiency in programming languages, including JavaScript/TypeScript, Python, and PHP
• Strong Node.js backend experience—preferably NestJS
• Experience designing and consuming APIs and distributed or microservices-based architectures
• Experience with JWT / OIDC authentication (Auth0 or equivalent), passport-jwt / JWKS patterns
• Proven experience with both relational (SQL) and NoSQL databases — able to design schemas, optimize queries, manage multi-environment deployments/backups/scaling, and with hands-on operational MongoDB experience (replication, sharding, performance tuning) preferred
• Docker and container orchestration on AWS ECS (task definitions, logging, ECR)
• AWS core services: Amplify, API Gateway, ALB/NLB, S3, EFS, CloudWatch, X-Ray, IAM, VPC/VPC endpoints
• Experience building and maintaining automation within cloud-native environments using IaC frameworks (Terraform + Terragrunt)
• CI/CD with GitHub Actions and GitHub OIDC for secure AWS deployments
• Observability and ops experience with logs/metrics/alarms, distributed tracing, and production troubleshooting
• Experience with security best practices, including IAM least-privilege, private S3 patterns, and secrets management
• Testing and quality experience, including unit/integration (Jest), e2e, linting/formatting
• Experience integrating headless CMS platforms with modern front-end frameworks
• Enthusiasm to contribute to Stand Together's vision and principled approach to solving problems, and a commitment to stewarding our culture, which champions values including transformation and innovation, entrepreneurialism, humility, and respect
• Experience with both relational (SQL) and NoSQL databases — able to design schemas, optimize queries, manage multi-environment deployments/backups/scaling, and with hands-on operational MongoDB experience (replication, sharding, performance tuning) preferred
• Experience integrating with Contentful CMS, Drupal and WordPress platforms
• Zod / schema-first validation and OpenAPI generation tooling experience
• Hands-on with CloudPosse Terraform modules and terragrunt layout patterns
• Performance tuning for Node.js apps and MongoDB, plus caching strategies
• Experience with EFS for stateful containers and mounting/permission management
• Knowledge of Checkov / Terraform security scanning and Terraform CI checks