Software Developer 3 (Contractor) - 529701796R

RE/SPEC Inc.; Austin (TX); Hybrid; USD 83,000 - 165,000; Part time

Job summary

RE/SPEC Inc. seeks a Senior Java Developer (Contractor) to design and build secure, scalable enterprise Java solutions. The role focuses on RESTful services secured with OAuth 2.0/JWT, microservices, and robust data access patterns within Oracle databases.

Collaboration with engineering, product, and business teams will define data requirements for seamless integrations. You will work in a hybrid model based in Austin, TX, contributing to critical health and human services integrations and

Qualifications

• 8+ years of hands-on Java development experience.
• Experience with Spring ecosystem.
• Design RESTful APIs secured with OAuth 2.0 and JWT.
• Experience with microservices architecture and XML/JSON parsing.
• Experience with Oracle databases, SQL optimization, and ORM tools (Hibernate, JPA).
• Design scalable, secure interface architectures for internal/external integrations.
• Collaborative with cross-functional teams to define data requirements.

Responsibilities

• Design and develop enterprise Java solutions and end-to-end interface architectures that are secure, scalable, and easy to maintain.
• Build and consume RESTful APIs secured with OAuth 2.0 and JWT.
• Develop microservices, parse XML/JSON, and optimize SQL and data access in Oracle.
• Work closely with engineering, product management, and business analysis teams to define data requirements and support full integration.
• Apply sound application design practices to keep systems fast and maintainable.

Skills

Java

Spring Framework

REST APIs

OAuth 2.0

JWT

Microservices

XML/JSON parsing

SQL optimization

ORM Hibernate/JPA

Tools

Maven

Gradle

Git

Job description

Software Developer 3 (Contractor) - 529701796R

• Contract

Big challenges need bold thinkers.

If you’re someone who sees problems as opportunities, you’ll thrive here. RESPEC is 100% employee-owned, which means we take ownership of every challenge. Here, your ideas drive real solutions. Since 1969, we’ve tackled complex challenges in energy transition, infrastructure resilience, digital transformation, and sustainability.

At RESPEC, you’ll work alongside clients to take on critical problems. Depending on your expertise, you might design infrastructure in remote locations, develop renewable energy solutions for global projects, or apply data-driven technology to improve mining and water systems.

We bring deep technical knowledge, real-world experience, and a commitment to work that matters. If you're looking for a place where your contributions have real impact, you’ll fit right in.

RESPEC is seeking a senior Java developer to build and strengthen our clients integrations behind its health and human services systems. You will design secure, scalable interfaces that connect internal and external systems. The data you move supports services that Texans rely on every day. This is a hands-on role for an engineer who enjoys backend architecture, API security, and performance work.

Core Responsibilities:

You will design and develop enterprise Java solutions and end-to-end interface architectures that are secure, scalable, and easy to maintain. Day to day, you will build and consume RESTful APIs secured with OAuth 2.0 and JWT. You will develop microservices, parse XML/JSON, and optimize SQL and data access in Oracle. You will work closely with engineering, product management, and business analysis teams to define data requirements and support full integration. You will also apply sound application design practices to keep systems fast and maintainable.

Required Technical Experience

Minimum 8 years of hands-on experience in each of the following.

• Designing and developing Java solutions using core enterprise concepts
• Hands-on work across the Spring ecosystem
• Building and consuming RESTful APIs secured with OAuth 2.0 and JWT
• Microservices architecture and XML/JSON parsing
• Relational databases (such as Oracle), SQL optimization, and ORM tools (Hibernate, JPA)
• Designing scalable, secure, maintainable interface architectures for internal and external integrations
• Application design best practices for performance, scalability, and maintainability
• Cross-functional collaboration to define data requirements and support integration

Preferred Qualifications

• 3+ years with build tools such as Maven or Gradle and version control such as Git.
• 3+ years working in Agile development environments.

Work Model

Hybrid, Austin, TX. You will work remotely three days a week and on-site Thursdays and Fridays at:

701 W. 51st Street, Austin, TX 78751

All your information will be kept confidential according to EEO guidelines.