Senior Software Engineer - Middleware & Integration

Stand Together is a philanthropic community that helps America’s boldest changemakers tackle the root causes of our country’s biggest problems, from education to the economy, broken communities, and toxic division, among dozens of other pressing issues. We provide our partners with access to resources including funding, thought leadership, a network of peers, and a playbook for applying proven principles to transform lives and society.

Stand Together is seeking a Senior Software Engineer to provide technical leadership on our high-visibility, consumer-facing web applications. This role is responsible for the architecture, design, and delivery of scalable single-page applications built on AWS.

The Senior Software Engineer will combine hands-on development with architectural oversight, ensuring the reliability, performance, and long-term scalability of our digital ecosystem while mentoring engineers and partnering cross-functionally to deliver high-impact solutions.

How You Will Contribute

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Contribute to architecture, design, and technical decision-making for our Node.js backend services, Contentful CMS integrations, and AWS cloud infrastructure.

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Design, build, and maintain scalable, secure, and high-performing APIs.

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Improve CI/CD pipelines, deployment processes, monitoring, observability, and system reliability.

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Ensure compliance with security, governance, and cloud infrastructure best practices within AWS.

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Establish and enforce engineering standards, best practices, and scalable design patterns.

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Provide technical mentorship, supervision, and performance guidance to engineers.

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Partner with product, design, and business stakeholders to translate requirements into technical solutions.

What You Will Bring

• 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.

Standout Candidates Will Bring

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Experience integrating with Contentful CMS, Drupal and WordPress platforms.

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Zod / schema-first validation and OpenAPI generation tooling experience.

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Hands-on with CloudPosse Terraform modules and terragrunt layout patterns.

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Performance tuning for Node.js apps and MongoDB, plus caching strategies.

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Experience with EFS for stateful containers and mounting/permission management.

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Knowledge of Checkov / Terraform security scanning and Terraform CI checks.

What We Offer

• Competitive benefits: Enjoy a 6% 401(k) match with immediate vesting, flexible time off, comprehensive health and dental plans, plus wellness and mental health support through Peloton and Talkspace.
• A meaningful career: Join a passionate community of over 1,300 employees dedicated to improving lives and driving innovative solutions to complex social challenges.
• Commitment to growth: Thrive in a non-hierarchical environment that empowers employees to discover, develop and apply their unique talents.
• Competitive compensation: Our approach rewards the value you create through competitive salaries and bonus opportunities, allowing you to share in the success you help drive.