SealedStack

Secure-by-Design Cloud-Native Systems

Java • Spring AI • AWS • Cybersecurity

About SealedStack

SealedStack delivers enterprise-grade software solutions that drive measurable business results. With over a decade of proven expertise, we specialize in building scalable microservices, optimizing high-traffic systems, and architecting cloud-native applications that serve millions of users.

From federal agencies processing 3.5M+ monthly searches to real-time aviation systems and Fortune 500 content platforms, we've consistently delivered solutions that enhance efficiency, security, and performance. Our approach combines cutting-edge technology with battle-tested engineering practices to solve your most complex technical challenges.

Whether you're modernizing legacy systems, building AI-powered applications, or scaling infrastructure for growth, we bring the technical depth and strategic insight to transform your vision into reality.

Technical Expertise

Languages

Java 25, Kotlin, JavaScript, TypeScript, Python, SQL

Backend Frameworks

Spring Boot 3, Spring AI, Ktor, Hibernate, JPA

Frontend Technologies

Angular 20, React, HTML5, CSS3, TypeScript, HTMX

Cloud & Infrastructure

AWS (EC2, RDS, S3, OpenSearch), Docker, Kubernetes

Databases & Caching

PostgreSQL, MongoDB, Redis, Elasticsearch, MySQL

DevOps & CI/CD

Jenkins, GitHub Actions, Gradle, Maven, Docker Compose

Monitoring & Security

Datadog, Splunk, New Relic, JWT, OAuth2, SSL/TLS

Development Practices

Agile/Scrum, TDD, Code Reviews, Microservices, API Design

Our Services

Real-Time Data Processing & Analytics

Building high-performance data pipelines and analytics platforms using message queues, Redis, and Elasticsearch for instant insights from large-scale data streams.

Cybersecurity Solutions

Implementing advanced encryption, multi-factor authentication, threat detection, and security audits to protect enterprise systems and sensitive data.

Cloud-Native Architectures

Designing and deploying scalable microservices on AWS with containerization, orchestration, and auto-scaling for resilient applications.

AI & Machine Learning Integration

Leveraging Spring AI and OpenAI APIs to build intelligent systems for natural language processing, predictive analytics, and automated decision-making.

Performance Optimization

Diagnosing bottlenecks and optimizing high-traffic systems through caching strategies, query tuning, and architectural improvements for peak efficiency.

Custom Software Development

Delivering tailored full-stack solutions from enterprise CMS platforms to data warehouses, built with modern frameworks and best practices.

API Design & Integration

Creating robust RESTful and GraphQL APIs with comprehensive documentation, versioning, and seamless third-party system integrations.

Legacy System Modernization

Transforming monolithic applications into cloud-native microservices with CI/CD pipelines, reducing technical debt and improving maintainability.

Past Work

Federal Search Platform Optimization (2021-2025)

We identified and resolved critical performance bottlenecks in sam.gov's saved search email notification system serving 2.8M users, improving efficiency by 20%. Our team designed cloud-native microservices using Java, Spring Boot, Angular, Elasticsearch/AWS OpenSearch, Docker, and Jenkins for this high-traffic federal acquisition platform delivering 3.5M+ searches monthly.

Real-Time Aviation Messaging System (2019)

We engineered secure, fault-tolerant microservices for Saab Sensis Corporation's flight gateway, enabling real-time flight message processing for Australian airports. Our solution leveraged Java 8, Spring Boot, Spring Security, Spring Cloud, OpenMQ, Netflix OSS/Eureka, REST, JMS, SOAP, and AIDX XML to ensure reliable aviation communications.

Enterprise CMS Solutions for Fortune 500 (2017-2019)

We delivered CoreMedia CMS implementations for Fortune 500 clients including Emerson, Office Depot, Farfetch, and Men's Wearhouse. Our team optimized content delivery workflows with custom JavaScript, CSS, SCSS, Freemarker, React, Scene7 integrations, and LDAP support, while conducting on-site training workshops to empower client teams.

Defense Digital Object Identifier System (2017)

We led the design and implementation of an automated DOI generation system for the Defense Technical Information Center (DTIC), streamlining the management of public artifacts. Our team built comprehensive server-side and user-facing services using Java, Spring Boot, Spring Security, Spring Session, Spring Batch, Angular, MySQL, and Hibernate/JPA.

Internal Business Automation Tool (2014)

We developed Aspire 2 for Associated Systems Professionals (ASP), automating timesheet workflows and significantly enhancing operational efficiency. Our implementation included advanced licensing functionality with X.509 certificates, digital signatures, and asymmetric encryption using C#, ASP.NET MVC, and SQL Server.

Cross-Platform Audio Player (2025)

We created AudioArchitect, a modern cross-platform audio player for managing and playing extensive music collections. Our development leveraged Kotlin Multiplatform, Compose Multiplatform, Ktor, VLC-J, and Gradle, showcasing our expertise in emerging technologies and clean architecture principles.

YouTube Transcription Search Platform (2025)

We developed YTTSearch, a specialized platform for searching YouTube video transcriptions with advanced filtering capabilities. Our full-stack solution utilized Python (Flask), React, and Docker, demonstrating our proficiency across diverse technology ecosystems and containerization best practices.

AI-Powered Real Estate Analytics Tool (2024)

We built Estate Scout, a comprehensive service providing real estate market insights and property cashflow evaluation. Our platform integrated OpenAI for intelligent analysis, leveraging Java, Kotlin, Angular, Spring Boot, Spring AI, PostgreSQL, and Docker to deliver actionable investment intelligence.