• Design, implement, and maintain Kubernetes-based deployment strategies for a multi-service application. • Develop, manage, and version Helm charts supporting multiple environments (dev, test, staging, production). • Ensure consistent deployments across on-prem (self-hosted) and cloud Kubernetes platforms. • Implement secure configuration management (secrets, certificates, RBAC, network policies). • Troubleshoot complex deployment, integration, and runtime issues across distributed systems. • Serve as a primary escalation point for production issues, driving root cause analysis and resolution. • Provide direct support to internal teams and/or customers, including issue triage, communication, and resolution tracking. • Optimize cluster performance, resource utilization, and cost efficiency. • Collaborate with development teams to improve containerization and deployment practices. • Maintain system observability (logging, monitoring, alerting). • Support compliance requirements (e.g., FIPS, STIG, hardened images, restricted networks).

• Experience Cloud Ownership: Administer and maintain Salesforce Experience Cloud environments, including configuration, access, and user experience • Manage external user access, sharing models, and security considerations • Partner with stakeholders to enhance and optimize portal functionality and usability • Monitor performance and recommend improvements to ensure a high-quality user experience • Platform Configuration and Automation: Design, build, and maintain Salesforce flows, validation rules, and other automations • Translate business requirements into scalable, maintainable solutions • Identify opportunities to improve processes through automation and system enhancements • Integrations and Platform Enhancements: Contribute to Salesforce integrations and cross-system workflows • Support the design and implementation of solutions that connect Salesforce with other business systems • Partner on initiatives that improve data flow, system efficiency, and user experience across the platform • Customization and AI-Assisted Development: Extend platform functionality through lightweight customizations, including Apex and Lightning Web Components when appropriate • Leverage AI-assisted tools (such as ChatGPT, Claude, or similar approved tools) to support development, troubleshooting, and documentation • Maintain and enhance existing custom code and configurations as needed • Platform Support and Continuous Improvement: Support investigation and resolution of Salesforce-related issues as needed, particularly those related to Experience Cloud and platform functionality • Collaborate with internal teams to diagnose issues and implement effective solutions • Identify recurring issues and recommend improvements to enhance system stability and user experience • Strategic Partnership and Governance: Collaborate with the Salesforce team on platform decisions, prioritization, and roadmap planning • Evaluate new requests for alignment with system architecture, scalability, and best practices • Help maintain data integrity, security standards, and overall platform health • Stay informed on Salesforce releases and recommend relevant enhancements

Company Description Are you a skilled Back-End Developer with a passion for building scalable, high-performance platforms? Join Sigma Software and contribute to the transformation of a global AdTech product into a modern, API-driven architecture. This is a Middle/Senior-level role with a remote-friendly setup, giving you flexibility while working with cutting-edge technologies. We at Sigma Software value engineering excellence, innovation, and collaboration, offering opportunities to work with world-class customers and impactful projects. Why join us? You will work on a platform trusted by top-tier publishers, gain exposure to advanced serverless architectures, and be part of a team that encourages professional growth and continuous learning. CUSTOMER Our Customer is a Sweden-based AdTech company specializing in advanced self-serve advertising platforms that automate direct transactions between advertisers and major global publishers. Their technology removes traditional friction in ad sales by enabling automation, transparency, and operational efficiency at scale. Platforms are trusted by internationally recognized publishers including TripAdvisor, Bloomberg, The Washington Post, Opera, and Dow Jones, handling millions of transactions worldwide. PROJECT The project is a strategic architectural transformation toward a Platform-First approach. The company is transitioning from monolithic, client-specific implementations to a standardized, API-driven, multi-tenant ecosystem of reusable microservices. These services power the entire product suite, remaining independent, scalable, and decoupled from frontend or customer-specific customization. Key Technologies: TypeScript, Node.js, AWS Lambda, API Gateway, DynamoDB, EventBridge, IaC tools (CloudFormation or Terraform), RESTful/GraphQL APIs. Job Description - Develop and maintain high-performance microservices using TypeScript and Node.js in a serverless AWS environment - Collaborate on API design and maintain OpenAPI specifications - Implement scalable solutions with AWS Lambda, API Gateway, DynamoDB, and EventBridge - Ensure strict tenant data separation and adherence to established AdTech data models - Contribute to shared libraries, reusable templates, and engineering best practices - Participate in code reviews focusing on performance, reliability, and observability - Translate product requirements into technical specifications - Support the evolution of the platform toward standardization and reusability Qualifications - 3+ years of production experience as a Back-End Developer - Solid hands-on skills with TypeScript and Node.js - Experience with API-first microservice architectures - Familiarity with AWS serverless tools (Lambda, API Gateway, DynamoDB, EventBridge) - Understanding of RESTful and GraphQL APIs - Knowledge of multi-tenant architecture and logical data isolation - Interest in AdTech concepts and workflows - Upper-Intermediate English level WILL BE A PLUS - Experience with Infrastructure as Code tools (CloudFormation, Terraform) - Knowledge of CI/CD pipelines and deployment automation - Familiarity with event-driven architectures - Understanding of observability tools (CloudWatch, X-Ray, etc.) Additional Information PERSONAL PROFILE - Strong problem-solving mindset - Ability to work in a collaborative, cross-functional team - Attention to detail and commitment to code quality - Proactive in proposing improvements and optimizations

Company Description Are you a skilled Back-End Developer with a passion for building scalable, high-performance platforms? Join Sigma Software and contribute to the transformation of a global AdTech product into a modern, API-driven architecture. This is a Middle/Senior-level role with a remote-friendly setup, giving you flexibility while working with cutting-edge technologies. We at Sigma Software value engineering excellence, innovation, and collaboration, offering opportunities to work with world-class customers and impactful projects. Why join us? You will work on a platform trusted by top-tier publishers, gain exposure to advanced serverless architectures, and be part of a team that encourages professional growth and continuous learning. CUSTOMER Our Customer is a Sweden-based AdTech company specializing in advanced self-serve advertising platforms that automate direct transactions between advertisers and major global publishers. Their technology removes traditional friction in ad sales by enabling automation, transparency, and operational efficiency at scale. Platforms are trusted by internationally recognized publishers including TripAdvisor, Bloomberg, The Washington Post, Opera, and Dow Jones, handling millions of transactions worldwide. PROJECT The project is a strategic architectural transformation toward a Platform-First approach. The company is transitioning from monolithic, client-specific implementations to a standardized, API-driven, multi-tenant ecosystem of reusable microservices. These services power the entire product suite, remaining independent, scalable, and decoupled from frontend or customer-specific customization. Key Technologies: TypeScript, Node.js, AWS Lambda, API Gateway, DynamoDB, EventBridge, IaC tools (CloudFormation or Terraform), RESTful/GraphQL APIs. Job Description - Develop and maintain high-performance microservices using TypeScript and Node.js in a serverless AWS environment - Collaborate on API design and maintain OpenAPI specifications - Implement scalable solutions with AWS Lambda, API Gateway, DynamoDB, and EventBridge - Ensure strict tenant data separation and adherence to established AdTech data models - Contribute to shared libraries, reusable templates, and engineering best practices - Participate in code reviews focusing on performance, reliability, and observability - Translate product requirements into technical specifications - Support the evolution of the platform toward standardization and reusability Qualifications - 3+ years of production experience as a Back-End Developer - Solid hands-on skills with TypeScript and Node.js - Experience with API-first microservice architectures - Familiarity with AWS serverless tools (Lambda, API Gateway, DynamoDB, EventBridge) - Understanding of RESTful and GraphQL APIs - Knowledge of multi-tenant architecture and logical data isolation - Interest in AdTech concepts and workflows - Upper-Intermediate English level WILL BE A PLUS - Experience with Infrastructure as Code tools (CloudFormation, Terraform) - Knowledge of CI/CD pipelines and deployment automation - Familiarity with event-driven architectures - Understanding of observability tools (CloudWatch, X-Ray, etc.) Additional Information PERSONAL PROFILE - Strong problem-solving mindset - Ability to work in a collaborative, cross-functional team - Attention to detail and commitment to code quality - Proactive in proposing improvements and optimizations