Senior Software Engineer

Senior To Advanced Java/Python/Javascript Developer

Looking for senior to advanced Java, Python, and JavaScript developers with cloud native AWS experience. These consultants will be working on a project for the Treasury to stop payments for deceased (Do Not Pay application). This app is getting rewritten due to executive orders and needs to be tech savvy people but also agile and able to switch gears quickly as needed. Some things do have complexities within the payment stream, so candidates need to have relational database/data processing as well. Will be using some AWS Glue as well as PySpark and Spark SQL. Will start out as a 4-6 month contract but working through approvals now to make it a full year with high likelihood for extension or conversion in the future. 2 step interview.

About the Role

The Application Development Services (ADS), in support of the Bureau of the Fiscal Service, is seeking a software engineer with senior to advanced-level skills in Java, Python, AWS Cloud, and full-stack development. This role will primarily focus on full-stack development and delivery, though front-end development experience is a plus. Responsibilities include contributing to our architecture and technology roadmap, mentoring junior developers, and collaborating closely with cross-functional teams.

Key Activities:

• Apply software engineering principles to design, implement, configure, and optimize solutions for applications, databases, test automation tools, and Commercial Off the Shelf (COTS) products.
• Partner with product owners and customers to develop innovative solutions that meet business goals.
• Review and analyze business and technical requirements and implement technical solutions to fulfill those requirements.
• Strong problem solving, oral and written communication skills, including experience with executive presentations.
• In-depth knowledge of current technology, industry standards and frameworks, information management & emerging technology trends and industry developments.
• Work with a multidisciplinary team of full-stack developers.
• Create unit tests as part of Continuous Development practices.
• Conduct peer code reviews, provide recommendations, and collaborate with peers to enhance software coding practices.
• Fix bugs and support QA, UAT, and Production phases of releases.
• Foster and apply an agile mindset enabling high-performing teams.
• Provide coaching, education, and advocate for development best practices.

Skills: Java, Python, AWS, SQL, git, Apache Spark, JavaScript, PySpark, Grafana, Angular

Top Skills Details

Java, Python, AWS, SQL, git, Apache Spark, JavaScript, PySpark

Additional Skills & Qualifications

Preferred Qualifications:

• Advanced experience with multiple programming languages including Java, JavaScript, and Python.
• Advanced knowledge of cloud-based platforms like AWS and the ability to learn new platforms.
• Strong experience with Apache Spark for large-scale data processing.
• Familiarity with optimizing AWS Glue jobs for performance and cost-efficiency.
• Proficiency with PySpark including DataFrames, Spark SQL, and Spark Streaming.
• Experience with orchestration tools such as Apache Airflow.
• Ability to quickly become proficient in any new languages and/or development related tools.
• Experience with application observability and monitoring across disparate tools and services.

Experience Level

Expert Level

Job Type & Location

This is a contract position based out of Kansas City, MO.

Pay and Benefits

The pay range for this position is $85.00 - $95.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Kansas City, MO.

Application Deadline

This position is anticipated to close on Nov 17, 2025.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.