Lead Software Engineer Java React jobs in Westminster

Belvedere Trading

$170,000 - $180,000 /year

Multiple positions available. \n Job Duties Build a suite of software using Java, Flink, and Pulsar to identify pricing inefficiencies in live trading markets. Assist with development of in-house hybrid cloud application frameworks. Understand the full lifecycle and intricacies of a trading platform

Multiple positions available. Job Duties Build a suite of software using Java, Flink, and Pulsar to identify pricing inefficiencies in live trading markets. Assist with development of in-house hybrid cloud application frameworks. Understand the full lifecycle and intricacies of a trading platform, i

Role Title: Java Developer Open Positions: 4 Location: Denver, USA Mandatory Skills: Java/J2EE Java 17 Spring & Hibernate Framework Spring Boot Microservices Architecture Web Services REST APIs & JSON AWS (S3, EC2, EKS, Lambda) DevOps (GitLab Pipelines, Kubernetes) Nice-to-Have Skills: Angul

\ \ \ W2 Opportunity only! No C2C and GC/USC Candidates only Software Engineer (Java / .NET) – Onsite Locations: Berkeley Heights, NJ | Greenwood Village, CO | Omaha, NE Type: 1-Year+ Contract \\*\*W2 Opportunity only! No C2C and GC/USC Candidates only Overview We are seeking an experienced Software

Requirements Must have: - Proven experience as a lead developer within a scrum team - Proficiency in Node.js, Python (3.x), C#, TypeScript, JavaScript (ES6+), and Webpack - Expertise in React, Redux, Redux-Sagas, and Styled-Components - Familiarity with the AWS ecosystem (ECS, RDS, ElastiCache, Rout

Transamerica

$9,167 - $11,250 /year

Job Family IT - Development About Us At Transamerica, hard work, innovative thinking, and personal accountability are qualities we honor and reward. We understand the potential of leveraging the talents of a diverse workforce. We embrace an environment where employees enjoy a balance between their c

RTX Corporation

Date Posted: 2026-04-06 Country: United States of America Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to

Prime Therapeutics

At Prime Therapeutics (Prime), we are a different kind of PBM, with a purpose beyond profits and a unique ability to connect care for those we serve. Looking for a purpose-driven career? Come build the future of pharmacy with us. Job Posting Title Software Engineer (Java Full-stack) Job Description

RTX Corporation

Date Posted: 2026-04-06 Country: United States of America Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is requi

Cognizant

About the role We are seeking a Senior Software Engineer with strong expertise in Java Full Stack development to support the enhancement and modernization of our claims applications. This role focuses on building scalable, secure, and high‑performing solutions using Java, Spring Boot, REST APIs, mic

U.S. Bank National Association

$8,783 - $10,333 /year

At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in

Capital One

Sr Lead Software Engineer, Analytics - Shopping (Remote-Eligible) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One Shopping, you'll be part of a bi

Capital One

Lead Software Engineer, Systematics (Remote) We are looking for a Lead Software Engineer (Mainframe, Systematics) to join and lead our team. We have engineers that have systems, Mainframe, and software engineering backgrounds. The software engineering role within Capital One is critical to our succe

U.S. Bank

At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in

PNC

Position Overview At PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers. We work together each day to foster an inclusive workplace culture where all of our employees feel respected,

Capital One

Sr Lead Software Engineer, Full Stack AI MCP - Shopping (Remote-Eligible) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One Shopping, you'll be part

Northrop Grumman

$14,750 - $22,133 /year

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the Time ## **Description** At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time *Description** At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around t

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the Time ## **Description** At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around

Lumen is the trusted network for AI. We’re transforming how businesses connect, secure, and scale in an AI-driven world. By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what’s next. At Lumen, people power progress. Our cu