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# Senior Software Engineer / Application Architect - Java, AWS & GIS

- **Company:** Seneca Resources
- **Location:** Mundelein, IL, United States (Remote available)
- **Experience:** Expert
- **Salary:** $249,600.0 - $291,200.0
- **Contract:** Temporary to permanent
- **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Apache ActiveMQ, Amazon Web Services, Amazon Elastic Compute Cloud, Data Analysis, Applications Architecture, Software Applications, Cascading Style Sheets (CSS), Mobile Application Development, Cloud Computing, Programming Tools, Github, Mobile Application Software, PostgreSQL, Software Architecture, Software Deployment, Software Engineering, Software Requirements Analysis, SQL Databases, Systems Architecture, Systems Integration, Esri GIS (Software), ReactJS, Firebase, Expo.io, Backend, Gitlab, Kotlin, Amazon Relational Database Service, Information Technology, Sentry, React Native, Front End Software Development, Cloudwatch, Elastic Beanstalk, Software Version Control, Docker, Airtable
- **Published:** October 28, 2026
- **Apply:** https://www.thejobnetwork.com/job/828fcb73-d810-4378-bde1-c646988371f9/senior-software-engineer-application-architect-java-aws-gis

## About the Role

The ideal candidate will bring strong software engineering expertise, application architecture experience, and the ability to independently lead technical initiatives from requirements gathering through implementation. We're looking for someone who enjoys solving complex technical challenges, designing scalable applications, and collaborating with business and engineering stakeholders., * Bachelor's degree in Computer Science or a related technical field, or equivalent education and demonstrated professional experience, subject to approval.
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 * Strong hands-on software engineering experience designing, developing, and supporting customer-facing applications.
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 * Proficiency in Java, Kotlin, and SQL for application development and backend functionality.
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 * Experience with AWS cloud infrastructure, including EC2, Elastic Beanstalk, CloudWatch, and RDS/PostgreSQL.
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 * Familiarity with Docker, ActiveMQ, Firebase, and Sentry.
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 * Demonstrated experience contributing to application architecture, system design, and technical implementation decisions.
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 * Experience leading or coordinating technical projects, including planning, requirements gathering, and delivery.
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 * Ability to prepare technical documentation, software requirements, scopes of work, and project estimates.
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 * Strong analytical, troubleshooting, data analysis, and problem-solving skills.
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 * Ability to independently manage technical assignments while collaborating with multidisciplinary teams.
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 * Excellent communication, planning, organizational, and stakeholder management skills.
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 * Ability to work onsite in New York City 3 days per week.
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 * 6+ years of experience in computer systems architecture.
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 * 4-6 years of professional software engineering experience.
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 * Frontend development experience with React, JavaScript, HTML, and CSS.
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 * Experience with React Native and mobile application development.
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 * Familiarity with GitHub, GitLab, Intercom, Airtable, and Expo.
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 * Experience developing GIS, geospatial, mapping, or location-based applications.
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 * Knowledge of Mapbox, Esri, or similar geospatial platforms.

## Description

This hands-on technical role combines Java, Kotlin, SQL, AWS cloud technologies, and software architecture, with opportunities to contribute to GIS and location-based applications supporting transportation operations., n
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 * Design, develop, enhance, and maintain scalable, customer-facing software applications using Java, Kotlin, and SQL.
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 * Contribute to application architecture, system design, technical requirements analysis, and implementation strategies.
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 * Develop and support cloud-hosted applications utilizing AWS services, including EC2, Elastic Beanstalk, CloudWatch, and RDS/PostgreSQL.
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 * Work with Docker, ActiveMQ, Firebase, and Sentry to support application deployment, integrations, messaging, and monitoring.
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 * Analyze application requirements, troubleshoot technical issues, and recommend solutions that improve performance, reliability, and maintainability.
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 * Lead or coordinate technical project activities, including planning, requirements analysis, design, and delivery.
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 * Prepare technical documentation, including scopes of work, software requirements, architecture diagrams, and project estimates.
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 * Collaborate with business stakeholders, developers, infrastructure teams, and technical leadership to deliver effective solutions.
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 * Support GIS and geospatial application functionality, including mapping technologies such as Mapbox and Esri.
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 * Contribute to frontend and mobile application initiatives involving React, JavaScript, HTML, CSS, React Native, and Kotlin when needed.
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 * Utilize GitHub, GitLab, and development tools to support version control, collaboration, and software delivery.
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 * Identify opportunities to modernize applications, improve system architecture, and enhance development processes.
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