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Senior Mern Stack Developer Jobs in Milwaukee, WI

Zywave

Senior DevSecOps Engineer

WI · On-site +1

$128K - $164K/yr

The Senior DevSecOps Engineer will join our Platform Engineering team to design, build, and ... Strong understanding of observability stacks (Prometheus, Grafana, OTEL). * Experience with version ...

GoTech IT Solutions

Be Seen First

Senior Systems Engineer MSP

Brookfield, WI · On-site

$80K - $110K/yr

The Role As our Senior Systems Engineer, you're the senior escalation point and the technical lead ... Our Tech Stack You'll work across a modern, best-in-class toolset every day. That includes an ...

Milwaukee Tool

Sr Design Engineer

Brookfield, WI · On-site

Senior Design Engineer DRIVEN TO SET THE STANDARD. At Milwaukee Tool, we strive to be the best ... Execute tolerance stack analyses (statistical and geometric preferred). * Design and analyze gear ...

Expleo

Senior PHP Software Engineer

Milwaukee, WI · Remote

... stack, and play a key role in driving enterprise technology solutions that directly support ... Experience with CI/CD pipelines and DevOps practices * Background supporting eCommerce technology ...

MILWAUKEE TOOL

Senior Designer

Milwaukee, WI · On-site

$100K - $107K/yr

Sr. Designer Senior Designer INNOVATE without boundaries! At Milwaukee Tool we firmly believe that ... help the engineers make informed decisions on design direction * Support tolerance stack-up ...

Milwaukee Tool

Senior Designer

Milwaukee, WI · On-site

$100K - $107K/yr

Sr. Designer Senior Designer INNOVATE without boundaries! At Milwaukee Tool we firmly believe that ... help the engineers make informed decisions on design direction * Support tolerance stack-up ...

MILWAUKEE TOOL

Senior Designer

Milwaukee, WI

$100K - $107K/yr

Sr. Designer Senior Designer INNOVATE without boundaries! At Milwaukee Tool we firmly believe that ... help the engineers make informed decisions on design direction * Support tolerance stack-up ...

Milwaukee Tool

Senior Designer

Milwaukee, WI · On-site

$100K - $107K/yr

Sr. Designer Senior Designer INNOVATE without boundaries! At Milwaukee Tool we firmly believe that ... help the engineers make informed decisions on design direction * Support tolerance stack-up ...

Milwaukee Tool

Sr Design Engineer

Brookfield, WI · On-site

Senior Design Engineer DRIVEN TO SET THE STANDARD. At Milwaukee Tool, we strive to be the best ... Execute tolerance stack analyses (statistical and geometric preferred). * Design and analyze gear ...

Eaton

Sr Design Engineer - Regulators

Waukesha, WI · On-site

$86K - $126K/yr

Eaton's ES AMER ESS division is currently seeking a Sr Design Engineer - Regulators. This role is ... stacks, Process Failure Mode Effect Analysis, Gage R & R, control charts, Pareto charts, etc.

Cielo

Senior Director - Client Data Solutions

Wauwatosa, WI · On-site +1

$103K - $139K/yr

Are you Strong experience in Data engineering / Data platforms & integrations? Do you have the ... Continuously evaluate and evolve the data technology stack to support growth and innovation. * Own ...

Cielo

Senior Director - Client Data Solutions

Wauwatosa, WI · Remote

$103K - $139K/yr

Are you Strong experience in Data engineering / Data platforms & integrations? Do you have the ... Continuously evaluate and evolve the data technology stack to support growth and innovation. * Own ...

Zywave

Senior DevSecOps Engineer

WI · Remote

$117K - $160K/yr

The Senior DevSecOps Engineer will join our Platform Engineering team to design, build, and ... Strong understanding of observability stacks (Prometheus, Grafana, OTEL). * Experience with version ...

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How much do senior mern stack developer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for senior mern stack developer in Milwaukee, WI is $58.39, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $67.26 per hour, depending on experience, location, and employer.

What is a Senior MERN Stack Developer?

A Senior MERN Stack Developer is an experienced software engineer who specializes in building full-stack web applications using the MERN stack: MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, create scalable and efficient applications, and often mentor junior team members. In addition to coding, they may be responsible for designing application architecture, optimizing performance, and ensuring best practices throughout the development process.

How does a Senior MERN Stack Developer typically collaborate with other team members on large-scale projects?

As a Senior MERN Stack Developer, you’ll often work closely with front-end and back-end developers, UI/UX designers, QA engineers, and product managers to deliver robust web applications. Collaboration usually involves participating in code reviews, architectural discussions, sprint planning, and daily stand-up meetings. You may also mentor junior developers, help define best practices, and ensure seamless integration across the MERN (MongoDB, Express, React, Node.js) stack. Effective communication and teamwork are essential, especially when troubleshooting complex issues or deploying new features.

What are the key skills and qualifications needed to thrive as a Senior MERN Stack Developer, and why are they important?

To thrive as a Senior MERN Stack Developer, you need deep expertise in JavaScript, proficiency with MongoDB, Express.js, React.js, and Node.js, and typically a bachelor's degree in computer science or related field. Experience using source control systems like Git, familiarity with cloud platforms (e.g., AWS), and understanding of CI/CD pipelines are highly valued. Strong problem-solving, leadership, and effective communication skills help you guide teams and collaborate with stakeholders. These skills ensure efficient development of scalable web applications and effective team leadership in dynamic tech environments.

What are the most commonly searched types of Mern Stack Developer jobs in Milwaukee, WI?

The most popular types of Mern Stack Developer jobs in Milwaukee, WI are:

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Senior DevSecOps Engineer

Zywave

WI • On-site, Remote

$128K - $164K/yr

Full-time

Re-posted 29 days ago

Job description

Description
At Zywave, we believe in an "everything as code" culture-treating infrastructure, configurations, and processes with the same discipline as software development. The Senior DevSecOps Engineer will join our Platform Engineering team to design, build, and maintain the foundation of Zywave's cloud and on-premise hosting environments. This role is deeply technical and hands-on, spanning Kubernetes operations, cloud infrastructure management, observability, and secure hosting of enterprise applications.
What you will do:
Cloud Infrastructure Management
  • Design, deploy, and maintain scalable environments in AWS and Azure.
  • Own and evolve Zywave's hub-and-spoke networking model.
  • Build and improve repeatable patterns for secure infrastructure provisioning.
  • Drive cost monitoring and optimization of cloud spend.

Kubernetes Operations
  • Manage Kubernetes clusters across EKS, AKS, and on-prem Rancher.
  • Implement secure multitenancy and isolation strategies (namespaces, pods, nodes).
  • Oversee provisioning, scaling, monitoring, upgrades, and troubleshooting.

CI/CD & Automation
  • Maintain and optimize GitLab/GitHub pipelines for reliable production deployments.
  • Implement GitOps workflows with Argo CD for consistent, automated deployments.
  • Leverage Argo Workflows for complex automation and orchestration needs.
  • Improve release automation, including Helm-based deployment flows.

Observability & Reliability
  • Implement and maintain monitoring, logging, and tracing systems (Prometheus, Grafana, OTEL, Observe Inc).
  • Ensure uptime and performance through proactive reliability practices.
  • Participate in incident response, including on-call rotation and leading postmortems.

Security & Compliance
  • Integrate secrets management solutions.
  • Ensure environments meet compliance and security best practices.
  • Support SSO and SCIM configuration with Azure Entra ID and other SaaS integrations.

Hosting & Systems Management
  • Manage and troubleshoot Windows and Linux hosting systems, including IIS.
  • Apply expertise in enterprise storage and networking, including object/file storage.
  • Support containerization strategies and patterns.

Soft Skills & Collaboration
  • Strong collaboration skills across engineering, security, and operations teams.
  • Clear and concise communication, both written and verbal.
  • Comfort participating in and leading technical discussions and incident reviews.
  • Proactive mindset-able to identify issues and drive solutions independently or as part of a team.

What you should bring:
  • Ability to quickly absorb new technologies and concepts, with the flexibility to learn whatever is necessary to solve problems effectively.
  • Strong experience with cloud computing (AWS, Azure).
  • Hands-on expertise with Kubernetes (EKS, AKS, Rancher) and Helm.
  • Practical background in CI/CD pipelines and deployment automation.
  • Familiarity with GitOps tooling (Argo CD) and workflow orchestration (Argo Workflows).
  • Proficiency in infrastructure as code (Terraform).
  • Working knowledge of Windows/Linux hosting, IIS, and containerized workloads.
  • Strong understanding of observability stacks (Prometheus, Grafana, OTEL).
  • Experience with version control systems (GitLab, GitHub).
  • Strong understanding of security, identity (Azure Entra ID), and secrets management.
  • Programming ability in at least one of: .NET, Python, TypeScript/JavaScript.

Preferred:
  • Exposure to Snowflake and enterprise data platforms.
  • Experience with enterprise networking and storage architectures.
  • Incident management and on-call participation history.
  • Cost optimization in large-scale cloud environments.

Why Pick Zywave:
Zywave empowers insurers and brokers to drive profitable growth and thrive in today's escalating risk landscape. Only Zywave delivers a powerful Performance Multiplier, bringing together transformative, ecosystem-wide capabilities to amplify impact across data, processes, people, and customer experiences. More than 15,000 insurers, MGAs, agencies, and brokerages trust Zywave to sharpen risk assessment, strengthen client relationships, and enhance operations. Additional information can be found at www.zywave.com.
Equal Opportunity Employer
Zywave is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected status. We are committed to building an inclusive workplace where everyone can do their best work. If you need a reasonable accommodation during the application or interview process, please contact our Talent Acquisition team.
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