68 lead software engineer jobs at 30 companies in O'Fallon, MO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
$112k-$141k/yrHybridMultiple Commitments Available
Safety National: Provides specialty insurance and reinsurance for workers' compensation.
5+ YOE5+ years in software development; 1–2 years in technical leadership; strong .NET Core/C#, Azure, NoSQL/Relational DB, CI/CD, REST APIs; able to mentor and lead architecture efforts.
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yrHybridFull Time
BoeingNYSE: BA: Manufactures commercial and military aircraft, satellites, and defense systems.
10+ YOEBachelor's degree in a technical field and 10+ years developing software, data pipelines, and cloud-based data services; U.S. Person required for export control; drug testing and COI assessment apply.
Delan Associates: Provides engineering and professional services to government agencies.
Bachelor's in CS/IS, strong full-stack Java, API, Angular, React skills; experience with Agentic frameworks, MCP and LLM integrations; Qlik Sense and data architecture experience; strong analytical and communication skills.
bioMérieuxEuronext Paris: BIM: Develops and manufactures in vitro diagnostic solutions for laboratories.
10+ YOELead system engineer with 10+ years in complex hardware/software/biomedical systems; FDA regulatory experience; bachelor’s in engineering or science.
bioMérieuxEuronext Paris: BIM: Provides diagnostic solutions for infectious diseases and industrial microbiology.
7+ YOELead mechanical engineer with 7+ years in complex hardware, software, biology, materials, or chemistry systems; hands-on design and cross-functional collaboration.
7+ YOEBachelor's in Civil or Environmental Engineering; 7-10 years water resources experience; PE license; design experience in water/wastewater systems; proficiency in relevant software; strong client service and leadership skills.
Sargent & Lundy: Engineering and consulting services for the power industry.
12+ YOEBachelor degree in engineering; 12+ years substation design experience at 138 kV+; PE license; strong writing and coordination skills; experience with relay calculations and protective relay equipment; proficient with relevant software; strong communication.
SKM, ETAP, ASPEN, CDEGS, vendor software, MS Office
CACINYSE: CACI: Provides information technology and professional services to government clients.
8+ YOE3+ MgmtUS citizen with Secret clearance (or ability to obtain), Bachelor's in CS/IT, 8+ years software testing (≥3 years leadership), SAP (preferably TM) experience, SAFE Agile experience, and test automation experience.
SAP Transportation Management (TM), SAP, SAFE Agile
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOE3+ MgmtUS citizen with Secret clearance (or ability to obtain); Bachelor's in CS/IT; 8+ years software testing with 3+ years leadership; experience with SAP (TM), SAFe Agile, test automation; strong analytical and communication skills.
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
5+ YOEBachelor's in CS/CIS/MIS or related and 5+ years IT experience. Experience with Java Spring framework, SQL (DDL), JIRA, Confluence, BitBucket/GIT, Tomcat, Weblogic, Agile (Scrum/Kanban). Experience leading technical teams and mentoring others.
United States or Boston or Morristown or Phoenix or Atlanta or St. Louis or St. Petersburg or Oklahoma or Hyderabad
$169k-$214k/yrHybridFull Time
Zelis: Providing healthcare payment and claims cost management solutions.
10+ YOE5+ Mgmt10+ years software engineering experience with 5+ years leading teams; bachelor's preferred; experience with Ruby on Rails, C#, Angular, JavaScript, AWS; cloud, legacy modernization, and performance optimization experience; must be U.S.-authorized.
St. Louis or Whitestown or North Burlington or Tempe or Bloomfield
$138k-$230k/yrHybridFull Time
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
8+ YOE3+ Mgmt8+ years in software engineering or production systems, 3+ years leading technical teams; experience with enterprise production applications, cloud platforms (AWS or OpenShift), Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, incident management, and Agile delivery.
AWS, OpenShift, Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, Safire, Agile, AI
Cincinnati or Atlanta or Hopkins or Charlotte or Chicago or Gresham or Englewood or Brookfield or Irving or Earth City
$127k-$149k/yrHybridFull Time
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
6+ YOE5+ MgmtBachelor's degree or equivalent, 6+ years technical experience, 5+ years leading engineering teams, experience delivering API-based fintech/treasury solutions, strong communication and stakeholder management.
Senior Vice President - Software Engineering, Mastercard Send
O'Fallon or Pune
OnsiteFull Time
MastercardNYSE: MA: Global technology processing electronic payments and financial transactions.
Leading software engineering for Mastercard Send and ensuring compliance with Mastercard information security policies; role is eligible for competitive base salary and annual bonus; benefits provided.
Philadelphia or Dayton or Houston or Gainesville or St Louis
$157k-$291k/yrOnsiteFull Time
ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.
Proven experience building and leading cross-functional engineering teams in regulated or data-sensitive domains; strong technical judgment across architecture and strategy; familiarity with AI-assisted development and data governance.
Claude Code, Copilot, ScienceDirect, Scopus, SciVal, ClinicalKey, Sherpath
Philadelphia or Dayton or Houston or Gainesville or St Louis
$157k-$291k/yrOnsiteFull Time
RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.
Experienced technology leader with proven ability to lead cross-functional engineering teams, drive cloud modernization, platform and API-first architectures, adopt AI-assisted development responsibly, and partner with product and data stakeholders.
Claude Code, Copilot, ScienceDirect, Scopus, SciVal, ClinicalKey, Sherpath