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Top Javascript Jobs in Denver & Boulder, CO

154+ Job Results
Yesterday
Colorado, CO
Remote
12,000 Employees
139K-245K Annually
5-7 Years of Experience
12,000 Employees
139K-245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Design, build, and maintain the Payments Platform services and infrastructure for Square. Collaborate with engineering and product teams to deliver high-quality, reliable software solutions. Focus on operational excellence and promote engineering best practices.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
Yesterday
Colorado, CO
Remote
3,300 Employees
3-5 Years of Experience
3,300 Employees
3-5 Years of Experience
Information Technology • Security • Cybersecurity
Design and build Hyperdrive, a service that enables connecting to relational databases from Workers, accelerates queries globally, and maintains system functionality at scale. Implement new features, ensure reliability, and improve performance for Cloudflare customers. Code ownership from inception to release, interacting with various programming languages and technologies.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
Yesterday
Colorado, CO
Remote
12,000 Employees
139K-245K Annually
5-7 Years of Experience
12,000 Employees
139K-245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Design, build, and maintain the Payments Platform services and infrastructure at Square. Collaborate with engineering, product, and other teams to develop clean, reusable, and scalable software solutions. Lead the engineering of secure systems and promote operational excellence. Drive technical roadmap and focus on fault-tolerant systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
Yesterday
Colorado, CO
Remote
4,200 Employees
140K-175K Annually
3-5 Years of Experience
4,200 Employees
140K-175K Annually
3-5 Years of Experience
Artificial Intelligence • Cloud • Information Technology • Software • Big Data Analytics
Lead Security Solutions Engineer responsible for providing pre-sales technical support, delivering demos, managing PoCs, building customer relationships, completing RFIs & RFPs, and coaching others. Must have deep experience with security technologies, be fluent in English and either Spanish or Portuguese, understand observability and APM technologies, and possess excellent communication and presentation skills.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+40 More
Yesterday
Colorado, CO
Remote
20,000 Employees
181K-317K Annually
7+ Years of Experience
20,000 Employees
181K-317K Annually
7+ Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Senior Staff Software Engineer role at ServiceNow involving building high-quality, scalable code, working on new products/features, and mentoring colleagues. Requires 10+ years of Java experience, passion for JavaScript, knowledge of data structures/algorithms, UI frameworks, relational databases, and multiple technology stacks.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
Yesterday
Colorado, CO
Hybrid
830 Employees
140K-150K Annually
7+ Years of Experience
830 Employees
140K-150K Annually
7+ Years of Experience
eCommerce • Mobile • Payments
Designing and implementing mobile application features, developing software testing procedures, evaluating software functionality, and designing new mobile application features.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+68 More
2 Days Ago
Colorado, CO
180 Employees
7+ Years of Experience
180 Employees
7+ Years of Experience
Fintech • Payments • Software • Financial Services
Designs, develops, and maintains software solutions for BillGO's Bill Pay products. Collaborates with cross-functional teams to deliver features and improvements. Responsible for code design, implementation, maintenance, and monitoring. Stays updated on latest technologies and proposes process improvements. Ensures compliance with regulatory requirements and industry standards. Mentors junior developers and new team members.
Top Benefits:
401-K
Child Care Benefits
Company Equity
+48 More
2 Days Ago
Colorado, CO
Remote
400 Employees
115K-130K Annually
1-3 Years of Experience
400 Employees
115K-130K Annually
1-3 Years of Experience
Cloud • Security • Software • Cybersecurity
Red Canary is looking for a Rails engineer to join their team and help build the Red Canary platform. The engineer will be responsible for writing code, solving technical problems, and collaborating with the product management and design teams. They should have at least 2 years of software engineering experience, experience with Ruby on Rails, and knowledge of other tech such as JavaScript, HAML, Redis, Postgres, AWS, and Docker. The engineer should also have the ability to architect scalable applications and make architectural design decisions.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+32 More
3 Days Ago
Colorado, CO
93,000 Employees
110K-157K Annually
3-5 Years of Experience
93,000 Employees
110K-157K Annually
3-5 Years of Experience
Information Technology • Internet of Things • Mobile • On-Demand • Software
Contribute to a team responsible for the activation and provisioning of mobile platforms, write and execute test cases for large and complex features, analyze user stories and acceptance criteria for creating initial test designs, lead functional, regression, and other software testing, collaborate with development teams to troubleshoot issues, create automated regression testing suites, identify cross-functional dependencies and quality issues, log bugs and escalate for resolution, assist in requirements clarification, utilize Agile and Scrum methodologies, automate APIs using JavaScript, administer in the telecommunication domain, performance testing using JMeter.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+46 More
3 Days Ago
Colorado, CO
Remote
50,000 Employees
90K-110K Annually
5-7 Years of Experience
50,000 Employees
90K-110K Annually
5-7 Years of Experience
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Looking for an experienced Software Engineer with at least 5 years of development experience in Angular, JavaScript, Node.js, and other open-source technologies. Responsibilities include planning, building, testing, and delivering front-end software solutions in Angular, following best coding practices, collaborating on data design, troubleshooting, and participating in site releases.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
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