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Junior Back End Developer Jobs in Wisconsin (NOW HIRING)

FIS

Senior Backend Engineer

Milwaukee, WI

$97K - $195K/yr

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... Mentor junior team members and contribute to a culture of continuous learning and improvement.

Worldpay, Inc.

Senior Backend Engineer

Milwaukee, WI · On-site

$97K - $195K/yr

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... Mentor junior team members and contribute to a culture of continuous learning and improvement.

Infleqtion

Sr Software Engineer

Madison, WI · On-site

$106K - $145K/yr

The ideal candidate is an experienced backend engineer with a strong background in creating robust ... Mentor and guide junior engineers, fostering their growth and enhancing the team's technical ...

Infleqtion

Sr Software Engineer

Madison, WI

$106K - $145K/yr

The ideal candidate is an experienced backend engineer with a strong background in creating robust ... Mentor and guide junior engineers, fostering their growth and enhancing the team's technical ...

Realta Fusion Inc.

Lead Fusion Controls Developer

Madison, WI · On-site

$45.50 - $58.25/hr

Provide guidance to junior staff. * Collaborate within controls team and closely with engineering ... Back-End Controls and Hardware Integration * Develop and maintain control system software for ...

Realta Fusion, Inc.

Lead Fusion Controls Developer

Madison, WI · On-site

$45.50 - $58.25/hr

Provide guidance to junior staff. * Collaborate within controls team and closely with engineering ... Back-End Controls and Hardware Integration * Develop and maintain control system software for ...

TIER4 GROUP

Sr. Full Stack Developer

Milwaukee, WI · Hybrid

... their backend. What's the role? Collaborate with an engineering Scrum team, providing purpose ... May take on a mentoring role and provide guidance and support to junior technical talent

Komatsu

Sr. SAP Developer

Milwaukee, WI · On-site

$140K/yr

This role requires expertise in SAP Fiori/UI5 development, backend ABAP development, and SAP ... Provide technical mentorship to junior developers, sharing best practices and development ...

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Junior Back End Developer information

See Wisconsin salary details

$24.2K

$89.8K

$138.8K

How much do junior back end developer jobs pay per year?

As of Jul 20, 2026, the average yearly pay for junior back end developer in Wisconsin is $89,808.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,600.00 and $87,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Junior Back End Developer position, and why are they important?

To thrive as a Junior Back End Developer, you need a solid understanding of server-side programming languages (such as Java, Python, or Node.js), basic database management, and problem-solving abilities, often supported by a degree in computer science or a related field. Familiarity with frameworks (e.g., Express, Django), version control systems like Git, and exposure to cloud platforms or RESTful APIs are commonly expected. Strong communication skills, a willingness to learn, and an aptitude for teamwork make candidates stand out in this collaborative environment. These skills are crucial for building robust applications, maintaining efficient workflows, and integrating seamlessly with cross-functional teams.

What is a Junior Back End Developer job?

A Junior Back End Developer is an entry-level software developer responsible for building and maintaining the server-side logic, databases, and APIs of web applications. They work with programming languages like Python, Java, or Node.js and collaborate with front-end developers to ensure seamless integration. Their tasks often include writing code, debugging issues, optimizing performance, and managing databases. Juniors typically work under the guidance of senior developers to improve their skills and gain experience in back-end development.

What are some common challenges faced by Junior Back End Developers in their first role?

Junior Back End Developers often find themselves adjusting to complex codebases and learning how to troubleshoot issues within existing systems. Navigating unfamiliar frameworks, understanding best practices for security and performance, and collaborating effectively with front-end developers and other team members can also be initial challenges. Many juniors spend time improving code review skills and learning to communicate technical issues clearly. Embracing these learning opportunities and seeking mentorship will help you grow quickly and build confidence in your new role.

What are popular job titles related to Junior Back End Developer jobs in Wisconsin? For Junior Back End Developer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Junior Back End Developer jobs in Wisconsin look for? The top searched job categories for Junior Back End Developer jobs in Wisconsin are:
Junior Back End Developer jobs near you
Infographic showing various Junior Back End Developer job openings in Wisconsin as of July 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $89,808 per year, or $43.2 per hour.
Geospatial Backend Developer - Multiple Positions at Junior/Mid/Senior Levels

Geospatial Backend Developer - Multiple Positions at Junior/Mid/Senior Levels

NV5

Sun Prairie, WI • On-site

Full-time

Medical, Dental, Life, Retirement

Re-posted 10 days ago

NV5 rating

8.3

Company rating: 8.3 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

103rd of 369 rated engineering

Job description

Overview
Geospatial Backend Developer - Multiple Positions at Junior/Mid/Senior Levels
NV5 Geospatial (NV5G) is actively recruiting qualified and cleared Geospatial Back End Developers to support national security client sites in the Northern Virginia and St. Louis, MO areas. Candidates will build software leveraging Esri's products and APIs to build core backend services that solve complex problems at a global scale. From building intuitive AI interfaces to writing Python for geoprocessing tools and AI agents, you'll be exposed to the full development lifecycle and cutting edge GIS solutions. A Top Secret Clearance with SCI eligibility or an active TS/SCI are required conditions of employment.
Work Environment:
  • Location: Northern Virginia Area (Springfield, VA and/or Vienna, VA)
  • Travel up to 15% of the time

At NV5, we are a collaboration of intelligent, innovative thinkers who care for each other, our communities, and the environment. We value both heart and head, the diversity of our people, and their experiences because that is how we continue to grow as a leader in our industry and expand our individual and collective potential.
NV5 is a global technology solutions and consulting services company with a workforce of over 4,500 professionals in more than 100 offices worldwide. NV5's continued growth has been spurred through strategic investments in firms with unique capabilities to help current and future customers solve the world's toughest problems. The NV5 family brings together talent across a wide range of markets and fields, including Professional Engineers, Professional Land Surveyors, Architects, Photogrammetrists, GIS Professionals, Software Developers, IT, Project Management Professionals, and more.
Responsibilities
  • Build backend services that power geospatial processing, automation, and user-facing capabilities
  • Develop APIs, proxies, and integration services using Node.js and Python
  • Create and maintain backend tooling that extends ArcGIS Enterprise in containerized environments
  • Develop and maintain geoprocessing services, automation scripts, and operational workflows
  • Build connectors and ingestion pipelines across diverse enterprise data sources
  • Support deployments across cloud-native and on-prem environments
  • Improve reliability and performance through API design, testing, monitoring, and observability
  • Collaborate with platform, DevOps, and GIS teams to translate requirements into production solutions

Qualifications
Required Qualifications:
  • US citizenship with Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility
  • Bachelor's degree in Computer Science, Engineering, Geographic Information Systems (GIS), or STEM-related field
  • 2+ years of experience as a backend software engineer or equivalent practical experience
  • Hands-on experience developing backend services using Python, JavaScript/Node.js, Java (for enterprise integrations and services)
  • Experience designing and building REST APIs and service-based architectures
  • Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms
  • Familiarity with geoprocessing workflows, proxies and middleware services, and automation of GIS or data processing tasks
  • Experience working in containerized environments (Docker, Kubernetes, or similar)
  • Solid fundamentals in API design, software/systems design, and testing and debugging distributed services
  • Strong problem solving, communication, and collaboration skills

Preferred Qualifications:
  • Master's degree in Computer Science, Engineering, Geographic Information Systems (GIS), or STEM-related field
  • Esri certification
  • CompTIA Security+ certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practice and secure development pipelines
  • Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions
  • Experience building services for geospatial analysis, data pipelines, or map services
  • Familiarity with enterprise authentication, proxies, and secure service architectures
  • Experience with relational and spatial databases (PostgreSQL/PostGIS, SQL Server, etc.)
  • Exposure to event-driven architectures, batch processing, or distributed data workflows

Clearance Requirement:
  • Active/Current Top Secret Clearance with SCI Eligibility

NV5 offers a competitive compensation and benefits package including medical, dental, life insurance, FTO, 401(k) and professional development/advancement opportunities.
Employment is contingent upon successful completion of a background check and drug screening.
NV5 provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. NV5 complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
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What NV5 employees say

Pay

Benefits

Hours and flexibility

Workplace

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About NV5

Sourced by ZipRecruiter

NV5 is a renowned company based in Los Angeles, CA, US, that operates in the architecture, engineering, and consulting industry. Officially established in 2009, this company provides technical engineering and consulting solutions that cater to public and private sectors globally. The firm is adept in a wide range of services, including infrastructure, energy, construction, program management, and environmental services. As part of its mission, NV5 seeks to deliver solutions that enhance communities and safeguard the environment meticulously.

Industry

Civil engineering construction

Company size

1,001 - 5,000 Employees

Headquarters location

Los Angeles, CA, US

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