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Java Software Engineer

Vertisystem
Madison, WI Contractor
POSTED ON 8/5/2025 CLOSED ON 9/3/2025

What are the responsibilities and job description for the Java Software Engineer position at Vertisystem?

Duration: 12 months contract

Pay Rate: $79.38 - $87.59/hr on W2


Job Summary:

The Sr Software Engineer is responsible for design and implementation of interactive web-based services. Candidate will be creating and improving Java code as well as providing component level designs for the Sony PlayStation Network platform. The team is developing Sony Interactive Entertainment’s next generation commerce platform.

Role Responsibilities

• You will design and implement RESTful Web Services API and algorithms

• You will produce excellent, thorough design and development documentation

• You can work independently, under tight time constraints, respond to evolving requirements and strategic shifts in direction

• You are familiar and comfortable with Agile/Scrum software development methodology

• Participate as a member of the development team and work well within a team environment.

• Perform in-depth analysis of functional or business requirements.

• Achieves team consent and buy-in; perceived as a positive and constructive collaborator especially in code reviews.

• Prepare and execute unit and integration tests.

• Apply advanced technical knowledge to innovate in a technology area (e.g. Java).

• Be able to suggest solutions and designs for complex problems.

• Implement end user or enterprise infrastructure or services prepared by senior technologists.

• Provide time / resource estimates for assigned tasks.

• Able to identify and debug issues with high volume traffic in a N-tiered system without direct access to the machines.

• Develops according to specific requirements with awareness of scalability, hardware capabilities and cross environment and platform implication.


Qualifications:

Mandatory

• BS degree in Computer Science (Masters preferred)

• 5 years of experience with Java

• Experience developing applications on Unix/Linux platforms

• Experience with servlet containers (e.g., Tomcat), JAXRS, Spring, and related technologies

• Experience with Agile development methodologies

• Experience using source control (esp. Git) and bug tracking systems such as JIRA in a team environment

• Experience in object-oriented analysis and design

• Experience developing web services using JSON, XML and RESTful API design

• Experience building scalable systems with very high levels of concurrency and transactions.

• Experience in building high-performance and cloud-based scalable web services.

• Experience with design and implementation of modern web services architecture and API frameworks

• Experience implementing services backed by NoSQL data stores

• Strong understanding of engineering best practices – requirement gathering and analysis, design and develop secure and scalable code with unit tests, participate in code reviews and documentation; experience with open source-based technology stack

• Ability to handle periodic on-call duty, and defensive engineering to minimize impact

• Strong ability to do root cause analysis / troubleshooting production issues in a high traffic volume environment

• Strong written and verbal communication skills

Helpful but not required

• Search, Machine Learning, Online Gaming domains

• Knowledge of DevOps practices, containerization, Docker/Kubernetes

• Experience with production monitoring tools such as Splunk, APM, Sensu, ExtraHop

• Continuous Integration/Continuous Delivery experience

• Cloud based software (AWS, OpenStack)

• Experience with microservices architecture-SOA polyglot environment

• Experience with eCommerce

• Experience with Code Pipeline/Troposphere

Salary : $79 - $88

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