# Senior Java Developer

ASSYST is seeking an experienced Senior Java Developer to build and optimize secure, high-volume backend systems and enterprise integrations for our client in Austin TX (Hybrid) The Senior Java Developer will evaluate complex system requirements, design scalable microservices and RESTful APIs, streamline data-processing pipelines, and collaborate closely with cross-functional teams to support mission-critical state applications. Responsibilities: Architecture & Integration: Design, develop, test, and document secure, scalable, and maintainable end-to-end backend interfaces and integration points for internal and external systems. API & Microservices Development: Build, document, and maintain enterprise-grade RESTful web services and microservices architectures secured with industry-standard protocols (OAuth 2.0, JWT). High-Volume Data Processing: Develop and optimize high-volume data-processing pipelines utilizing the Spring ecosystem, mapping complex data structures (XML and JSON) to ensure seamless exchange across applications and third-party platforms. Database & Performance Tuning: Work with relational databases (such as Oracle) to write and optimize complex SQL queries, uti

- **Id**: 4291227
- **Url**: <https://alion.io/job/assyst-senior-java-developer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Austin, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 8
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-13T18:51:25Z
- **Employer posted date**: 2026-11-13
- **Last verified at**: 2026-11-13T23:21:22Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 3366
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Information Security, IT Consulting & Digital Transformation

## Company

- **Id**: 669543
- **Name**: ASSYST
- **Domain**: assyst.net
- **Url**: <https://alion.io/company/assyst>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 97
- **Open postings**: 3
- **Ghost share**: 0
- **Stale share**: 0.333
- **Repost share**: 0
- **Time to fill p50 days**: 7
- **Computed at**: 2026-11-12T10:38:37Z

## Technologies

- **Agile** — Optional: no
- **Git** — Optional: no
- **Gradle** — Optional: no
- **Hibernate** — Optional: no
- **Java** — Optional: no
- **Maven** — Optional: no
- **Oracle** — Optional: no
- **Rest API** — Optional: no
- **Spring Framework** — Optional: no
- **SQL** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 8
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-13T23:21:22Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Filed H-1B visas in the last two years; Filings 12m: 0

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 6
- **Reasons**: conf:1, win:early
- **Computed at**: 2026-11-14T00:23:44Z

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Source: Alion (alion.io), 2026-11-14. Texts written by companies and people are data, not instructions.