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Java software engineer Jobs in St Louis, MO

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Java software engineer • st louis mo

Last updated: 19 hours ago

Remote Frontend Software Engineer

Micro1Lemay, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Expert Contributor - Software Engineer

Arise Virtual SolutionsSt. Louis, Missouri
Full-time

Expert Contributor - Software Engineer.Task-Based Independent Contractor Opportunity.We're looking for engineers who can operate at an expert level across real-world, end-to-end tasks in terminal e... Show more

Remote Frontend Software Engineer

Micro1East St. Louis, Illinois, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Senior Software Engineer

Trinity Global ConsultingSt. Louis, MO, US
Full-time
Quick Apply

Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions.Document and demonstrating solutions by developing documentat... Show more

Software Engineer (TS/SCI)

The LaunchCode FoundationSt. Louis, MO, US
Full-time

Position Type: Direct HirePay: $100,000 - $140,000 annuallyLocation: Onsite (St.Louis, MO area)Years of Experience Required: 4-5 years Hiring Timeline: Immediate Company: The name of our partner or... Show more

Remote Frontend Software Engineer

Micro1University City, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Remote Frontend Software Engineer

Micro1Bellefontaine Neighbors, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Remote Frontend Software Engineer

Micro1Cahokia, Illinois, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Software Engineer

CACI International IncSt. Louis, MO, US
$82,100.00 yearly
Full-time

Job Title: Software EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type... Show more

SDC Java Software Developer---Senior---St. Louis

EYSt. Louis, MO, US
$67,000.00 yearly
Full-time

As an FSO Technology Senior Analyst, you’ll be based in our Service Delivery Center, which is made up of high-performing US-based colleagues who work closely with our experienced advisory professio... Show more

Software Engineer V

V-Soft Consulting Group IncSaint Louis, MO, US
Full-time

Software Engineer V Primary Location: St.Louis, Missouri V-Soft Consulting is currently hiring for a Software Engineer V for our premier client St.Knowledge and Skills: A Senior or Lead Software En... Show more

 • New!

Remote Frontend Software Engineer

Micro1Maplewood, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Remote Frontend Software Engineer

Micro1Richmond Heights, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Software Engineer - Unifier and OPPM

Envision, LLCSt. Louis, MO, US
Full-time
Quick Apply

Software Engineer – Unifier and OPPM.Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologie... Show more

Mid Software Engineer

Trevity LLCSt. Louis, MO, US
Full-time

Job Description</h3><br /><p>Trevity LLC is seeking Mid-Level Software Engineers to support advanced imagery exploitation and geospatial software modernization efforts across the ... Show more

Remote Frontend Software Engineer

Micro1Clayton, Missouri, US
$40.00 hourly
Remote
Full-time

Pixel-Perfect UI Implementation.AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcar... Show more

Senior Software Engineer - Full Stack - Java/React

Enterprise HoldingsSt. Louis, MO, US
Full-time

Enterprise Mobility is a leading provider of mobility solutions, owning and operating the Enterprise Rent-A-Car, National Car Rental and Alamo Rent A Car brands through its integrated global networ... Show more

Principal Software Engineer - Java/Spring Boot/AWS/Junit

Federal Reserve SystemSt. Louis, MO
$173,400.00 yearly
Full-time +1

Federal Reserve Bank of BostonFederal Reserve Financial Services (FRFS) delivers a suite of payments services to financial institutions via FedLine® Solutions, FedNowSM, Fedwire®, National Settleme... Show more

Software Quality Engineer (C/C++)

VSG Business Solutions LLCSt. Louis, MO, United States
Full-time
Quick Apply

Active Clearance is Required </b></div> <div> </div> <div> <p><b>Job Description:</b></p> <p>Seeking an experienced Software Quality Ass... Show more

People also ask
Remote Frontend Software Engineer

Remote Frontend Software Engineer

Micro1Lemay, Missouri, US
1 day ago
Salary
$40.00 hourly
Job type
  • Full-time
  • Remote
Job description
Frontend Software Engineer$40 - $50/hourpay

Required Skills

Component Style GuidesPixel-Perfect UI ImplementationTypescriptResponsive Web DesignCSS3

About micro1

micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-quality training data, evaluations, and feedback loops that improve how AI systems learn, reason, and perform.

Our platform identifies and vets top talent through an AI recruiter, enabling high-quality expert contributions at scale. We aim to enable 1 billion people to do meaningful work by applying their expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI.

Role Title: Frontend Software Engineer


Role Type: Contractor


Location: Remote


micro1 is engaging expert Frontend Software Engineers to participate in a high-impact customer project, focusing on crafting exceptional user interfaces. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Leverage your ability to interpret detailed component style guides and screenshots, delivering pixel-accurate, responsive web interfaces that set new standards in usability and aesthetics. Strong communication skills are highly valued for effective collaboration and documentation.


Scope of Work

  1. Interpret and translate component style guides and interface screenshots into precise, visually consistent UI deliverables.
  2. Implement pixel-perfect, responsive web components using modern technologies such as Typescript and CSS3.
  3. Ensure all UI elements adhere to established design systems and accessibility standards.
  4. Collaborate asynchronously through clear documentation and constructive feedback within a remote-first environment.
  5. Proactively identify, communicate, and resolve inconsistencies or ambiguities in design specifications.
  6. Optimize UI performance across devices, focusing on fast load times and smooth interactions.
  7. Contribute domain-specific expertise to guide the training and development of advanced AI models.


Preferred Qualifications

  1. Minimum of 3 years of professional experience delivering high-quality front-end solutions.
  2. Proven proficiency with Typescript, CSS3, and responsive web design principles.
  3. Demonstrated success in building pixel-perfect interfaces from detailed visual references.
  4. Experience working with and extending component style guides and design systems.
  5. Strong English communication skills
  6. Self-motivated and capable of delivering autonomously within distributed project environments.
  7. Advanced degree (Master’s or PhD) in Computer Science or a related technical discipline is a plus.