Software Engineer Java Developer jobs in Saint Peters

Requirements Must have: Active U.S. Secret Clearance with the ability to obtain TS/SCI 5 years of experience in VB.NET or C#.NET (including .NET Framework) Proficient in SQL or other relational databases Experience with unit testing frameworks such as xUnit, nUnit, or MSTest Familiarity with Windows

Graduate With a Degree. Get Hired With a Plan. If you just graduated (or you're about to) and the job search is already feeling confusing, you're not imagining it. A degree proves you can learn-but employers hire for job readiness : projects that look like real work, current tech stacks, interview c

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. The Boeing Company is currently seeking an Experienced Embe

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is currentl

Sr. Software Engineer (Java) Start Date: 4/20/2026 - 12/31/2027 Location: Remote EST Hours W2 Employment: Must have lived in the U.S. 3+ years About Us Slalom is a purpose-led, global business and technology consulting company. From strategy to implementation, our approach is fiercely human. In six+

We have a 6-month contract to hire position open for a Software Engineer. This position is for a developer with 4-6 years of experience. The position is a hybrid schedule working 2-3 days on-site. The engineer will be supporting legacy Java Applications, and doing new development with Python, Dash P

A company is looking for a MSO/IPA/MC Lead Programmer. Key Responsibilities Lead the development and implementation of codes for complex healthcare software projects Document code, delegate tasks, and ensure the integration of completed code into the larger code base Mentor junior programmers and ma

Overview This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. Boeing’s Digital Analytics and System Health Softw

A technology solutions provider based in Chesterfield, Missouri, is looking for a Software Engineer for a 6-month contract-to-hire role. The position requires 4-6 years of experience, with a focus on supporting legacy Java applications and developing new features using Python, Dash, and Snowflake. S

A leading tech company in St. Louis is seeking a skilled Lead Software Engineer to take charge of UI technologies, particularly ReactJS, and JAVA. With 10+ years of experience, candidates should have expertise in JAVA Spring Boot and experience with large-scale operations in PCF and OpenShift. The r

Yochana

We are looking for a staff level software engineer / architect to lead the modernization of a largescale, mission critical Java platform. This role is hands on and focused on rewriting and re architecting existing systems using modern Java, Spring Boot, and cloud native patterns on AWS. What You'll

The Company is looking for a Senior Software Engineer - Developer to join the Government Vehicle Health Maintenance Systems team located in Hazelwood, Missouri. 100% on site. In the Government Vehicle Health Maintenance Systems organization, our team of engineers develops, fields, and supports platf

Boeing

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. The Boeing Company is currently seeking an Experienced Embe

Client: MasterCard Location: Stlouis, MO Technologies: Java, DXP/Angular, Oracle, Cloud Development, Microservices (1) Lead Software Development Engineer: • Experience leading a development team • Full stack engineering experience in a production environment • Expert programming skills in Java, Spri

The Judge Group

Our client is currently seeking a Software Engineer-Developer 4 (Development), Hazelwood, MO Basic Qualifications (Required Skills/Experience): • Active U.S. Secret Clearance with the ability to obtain TS/SCI • 8+ year of experience with VB.NET or C#.NET (including .NET Framework) • SQL or other rel

The Judge Group

Our client is currently seeking a Software Engineer-Developer 3 (Development) Position Responsibilities: • Handles user inquiries, troubleshoot technical issues and user feedback analysis • Implement current and emerging technologies, tools, frameworks and changes in regulations relevant to software

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is currentl

Sonaca North America

Programmer Sonaca North America is driven by a passion for innovation and a commitment to excellence. As a leading provider of aerospace and defense solutions, we are dedicated to making air and space travel safe and sustainable. We have 10 locations across North America and our engineering expertis

Enterprise Holdings

Engineer 2 As an Engineer 2, you will design, develop, and modify many different elements of technology. You will be required to understand advanced methods, theories, and research techniques that establish ongoing direction and implementation of the technology vision and strategy. As an Engineer 2,

Java/Python Software Developer Chesterfield, MO Type: Contract-to-Hire Category: Development Industry: Insurance Reference ID: JN -042026-106213 Date Posted: 03/31/2026 Shortcut: http://careers.eliassen.com/Ka8nCb Description Recommended Jobs Description: Hybrid 2-3 days in office/week in Chesterfie