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Startup Backend Engineer Jobs in Wisconsin (NOW HIRING)

Portland Seed Fund

Test Automation Engineer

Oregon, WI · On-site

$110 - $160/hr

Design and execute tests across UI, APIs, backend, and Jetson-based systems. * Translate customer ... As a team member of a true startup, you will learn by doing andshapeour future. The opportunities ...

New

NeighborFavor Inc.

WI · On-site

$120 - $150/hr

... backend microservices. You can confidently guide technical discussions, challenge architectural ... Experience in both a high-growth startup and growing medium sized company is a plus. Who you are

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Denari

Software Engineer

Madison, WI · On-site

We're a well-funded startup with 9 employees and a sister company to Lucida, with shared ownership ... Mastery of TypeScript , with strong skill in React/Next.js and backend services using Node.js

Speechify

Go-to-Market - Madison, WI, USA

Madison, WI · On-site

$150K - $200K/yr

These include frontend and backend engineers, AI research scientists, and others from Amazon ... Fast-moving startup environment where your wins have outsized impact The United States Salary range ...

Speechify

Go-to-Market - Madison, WI, USA

Madison, WI · On-site

$150K - $200K/yr

These include frontend and backend engineers, AI research scientists, and others from Amazon ... Fast-moving startup environment where your wins have outsized impact The United States Salary range ...

Medium

Senior Full Stack Software Engineer

Oregon, WI · On-site

$170 - $200/hr

Generalist range: comfortable moving across frontend, backend, infrastructure, and data or billing ... Startup or early-stage experience * Experience mentoring or leveling up other engineers ...

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Startup Backend Engineer information

What does a startup backend engineer do?

A Startup Backend Engineer is responsible for building and maintaining the server-side logic, databases, and APIs that power a startup's applications. They work closely with frontend developers and product teams to ensure the application is scalable, secure, and performs well. In a startup environment, backend engineers often handle a wide range of tasks, including designing system architecture, optimizing application performance, and quickly deploying new features. Their versatile skill set enables them to adapt as the company grows and technology needs change.

What are the key skills and qualifications needed to thrive as a startup backend engineer?

To thrive as a Startup Backend Engineer, you need strong programming skills (commonly in Python, Node.js, or Java), a solid grasp of databases, and experience with scalable system design—often backed by a degree in computer science or equivalent experience. Familiarity with cloud platforms (like AWS or GCP), containerization tools (Docker, Kubernetes), and CI/CD pipelines is typically required. Adaptability, problem-solving, and effective communication are crucial soft skills for navigating the fast-paced, dynamic startup environment. These abilities are vital for rapidly building robust, scalable solutions that can evolve with the company's growth.

What are some common challenges faced by backend engineers in a startup environment?

Backend engineers in startups often face the challenge of balancing rapid feature development with maintaining system stability and scalability. Due to limited resources and fast-changing priorities, you may need to wear multiple hats, such as managing infrastructure, addressing technical debt, and ensuring security. Collaboration is typically close-knit, requiring frequent communication with frontend developers, product managers, and sometimes even customers. Adapting quickly to new technologies and evolving project requirements is key to thriving in this dynamic setting.

What are popular job titles related to Startup Backend Engineer jobs in Wisconsin?

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The top searched job categories for Startup Backend Engineer jobs in Wisconsin are:

Startup Backend Engineer jobs near you
Infographic showing various Startup Backend Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 89% Full Time, 6% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Test Automation Engineer

Portland Seed Fund

Oregon, WI • On-site

$110 - $160/hr

Other

Medical, Dental, Retirement

Posted yesterday

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Job description

Test Automation Engineer at Overwatch Imaging

Overwatch Imaging is an imagery intelligence technology company working to bring sensor autonomy to time-critical airborne search, detection,trackingand monitoring missions. Our Automated Sensor Operator (ASO) software, native to our own line of purpose-built Smart Sensors and as an upgrade for airborne video gimbal platforms, bringsSuperhuman VisionandWorkload Reductionto users of real-time imagery intelligence systems. We fundamentally believe that modern edge processing and AI-enabled autonomy can perform an important set of time-critical imagery intelligence missions better,fasterand moresafely than humans can alone.

Founded in 2016 in Hood River, Oregon, we support private sector companies as well as federal,stateand local agencies around the world with missions ranging from wildfire mapping and disaster response to law enforcement, border security, maritime domainawarenessand tactical intelligence.

About this Role

Overwatch is seeking aTest Automation Engineer to own and evolve how wevalidateedge-deployed imaging systems across software, Jetson-basedcompute, and hardware-integrated sensor payloads -through automation, tooling, and AI-assisted testing.

What You’ll DoEnd-to-End System Testing
  • Design and execute tests across UI, APIs, backend, and Jetson-based systems.
  • Translate customer issues into reproducible test cases.
  • Define expected behavior, tolerances, andfailureconditions.
  • Identifyedge cases and integration gaps.
Test Automation & Tooling
  • Build andmaintainautomated regression and integration tests.
  • Develop tools for:
  • Test orchestration and execution.
  • Log collection, parsing, and failure detection.
  • Test telemetry and reporting.
  • Expand coverage while reducing manual testing.
Hardware Integration Validation
  • Validate software that runs on Jetson devices and interfaces with in-house smart-sensors and third-party payloads.
  • Reproduce and debug software hardware issues.
  • Turn integration failures into repeatable tests.
  • Maintain and support Hardware-in-the-loop (HIL) setups.
Field Issue Troubleshooting
  • Investigate and reproduce customer-reported issues.
  • Build tools and workflows for faster debugging (logs, replay, diagnostics).
  • Feed findings back into automated test coverage.
AI-Assisted Testing
  • Apply AI where it improves validation:
  • UI testing (e.g., Playwright).
  • Log analysis and anomaly detection.
  • Evolve testing toward more adaptive, intelligent systems.
What Success Looks Like
  • Critical workflows are automated and continuouslyvalidated.
  • Integration issues are caught early and are reproducible.
  • Customer issues are faster to diagnose and resolve.
  • Testing scales with reduced manual effort.
Who You Are
  • 5+ yearsofexperiencein test automationandhardware/softwarevalidation
  • Experience with system, integration, or embedded testing.
  • Comfortable working with software deployed to edge hardware (Jetson devices or similar).
  • Strong systems thinking across software and hardware.
  • Experience building test automation, tools, or frameworks.
  • Proficient in Python and Linux environments.
  • Bonus:Experience with HIL testing, Playwright, or AI-assisted testing.
Summary

This role combines system-level testing, automation, and real-world debugging. You will build the infrastructure and workflows that ensure our software and hardware systems work reliably in the field.

What We Offer
  • Growth Opportunities: As a team member of a true startup, you will learn by doing andshapeour future. The opportunities are limitless for those who want to grow their career.
  • Impact Opportunity: We work on missions that matter to keep people safe and make the world better, and we do it at the speed of a startup.
  • Late Start Wednesday: A weekly blockto have focus time away from meetings and calls
  • Stock Options
  • Medical and Dental premiums 100% covered
  • 401K Matching

Overwatch Imaging is an equal opportunity workplace and makes employment decisions based on merit and business needs, regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity, Veteran status, or any other protected personal characteristic.

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