Explore 4 backend python software engineer jobs from 3 hiring companies in Delavan, WI, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Backend Python Software Engineer

Elkhorn

Whitewater

Janesville

Beloit

Milwaukee

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Woodstock

Delavan Lake

Harvard

Rockford

Belvidere

Burlington

McHenry

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Backend Python Software Engineer Jobs

Zendesk

Walgreens

Hybrid

<h2>Job Description</h2>Join us at Zendesk, where we&#39;re on a mission to power exceptional service for every person on the planet. We&#39;re accelerating that ambition by building products rooted in AI, automation, and intelligent customer experiences, because behind every interaction lies an opportunity to make a human connection. We’re seeking a Senior Backend Engineer to own the data layer that powers Zendesk’s AI products. In this role, you’ll build and scale integrations and analytics infrastructure that transform raw support data into trusted automation recommendations — directly enabling customers to reduce support costs and improve customer outcomes.What you’ll be doing<ul><li>Design, build, and maintain robust platform connectors (ETL: Client → Extractor → Transformer → Loader) across third‑party systems, handling auth, pagination, rate limits, and schema drift.</li><li>Extend and scale the Discover insights engine: clustering topics, detecting knowledge gaps, calculating deflection/opportunity impact, and surfacing automation recommendations.</li><li>Build and operate resilient data pipelines: real-time webhooks, incremental sync, reindexing, and metrics aggregation with worker queues.</li><li>Design, optimize, and maintain search indices and aggregation pipelines for full-text, vector, and hybrid search at scale.</li><li>Solve distributed systems problems around multi-tenant isolation, webhook security, incremental sync correctness, and fault-tolerant processing.</li><li>Collaborate with product, ML, and design to turn analytics outputs into reliable, explainable customer-facing metrics and recommendations.</li></ul>What you bring to the role<ul><li>Strong backend engineering instincts and ownership mindset; you take systems from prototype to production-grade.</li><li>Deep experience building data pipelines or integration platforms with attention to correctness and observability.</li><li>Practical knowledge of search and analytics infrastructure powering RAG and retrieval features.</li><li>Experience with distributed job processing patterns and worker queue design.</li><li>A collaborative approach for working with product, data science, and customer-facing teams to deliver measurable ROI.</li></ul>Basic qualifications<ul><li>3&#43; years professional backend engineering experience, ideally in B2B SaaS.</li><li>Proficient in Python and backend frameworks (we use FastAPI).</li><li>Production experience with MongoDB, Elasticsearch/OpenSearch, and Redis.</li><li>Experience designing and operating distributed job processing (RQ, Celery, or similar).</li></ul>Preferred qualifications<ul><li>Experience with ETL/orchestration tools (Dagster, Airflow) and S3-based storage patterns.</li><li>Familiarity with NLP pipelines, embeddings, or production RAG systems.</li><li>Experience with system design for multi-tenant SaaS and webhook security (HMAC/OAuth).</li><li>Prior work on analytics engines that translate metrics into product recommendations.</li></ul>The US annualized base salary range for this position is $174,000.00-$260,000.00. This position may also be eligible for bonus, benefits, or related incentives. While this range reflects the minimum and maximum value for new hire salaries for the position across all US locations, the offer for the successful candidate for this position will be based on job related capabilities, applicable experience, and other factors such as work location. Please note that the compensation details listed in US role postings reflect the base salary only (or OTE for commissions based roles), and do not include bonus, benefits, or related incentives.The intelligent heart of customer experienceZendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.<a target="_blank" href="http://www.zendesk.com/company/careers/?utm_source&#61;other&amp;utm_medium&#61;organic&amp;utm_campaign&#61;job-description_Global_2025Q3">Zendesk</a> believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working, enables us to purposefully come together in person, at one of our many Zendesk offices around the world, to connect, collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.As part of our commitment to fairness and transparency, we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position, in accordance with Company guidelines and applicable law.Zendesk is an equal opportunity employer, and we’re proud of our ongoing efforts to foster <a target="_blank" href="http://www.zendesk.com/diversity-inclusion/">global diversity, equity, &amp; inclusion</a> in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law, please <a target="_blank" href="https://www.eeoc.gov/sites/default/files/2022-10/EEOC_KnowYourRights_screen_reader_10_20.pdf">click here</a>. Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please send an e-mail to <a target="_blank" href="mailto:peopleandplaces&#64;zendesk.com">peopleandplaces&#64;zendesk.com</a> with your specific accommodation request.

Senior Backend Engineer, Connectors & Discover

Backend Engineer

3+ years backend engineering, Python, FastAPI, MongoDB/Elasticsearch/OpenSearch, Redis; distributed job processing; data pipelines; observability.

<h2>Job Description</h2>About the RoleWe&#39;re building a real-time voice AI product for live, natural conversations. This is a chance to work on a product where engineering quality is felt immediately by users. Every improvement to latency, reliability, and conversation flow makes the experience faster, smoother, and more human. We&#39;re looking for a Senior Full Stack Engineer who can own product features end to end, while bringing strong backend engineering fundamentals. This is a full stack role, but the center of gravity is backend: real-time systems, integrations, performance, and reliability.What You&#39;ll Work On• Build and improve the backend systems that power real-time voice conversations• Develop integrations for telephony, real-time audio, and external AI services• Ship product features across our voice platform, including user-facing web experiences where needed• Improve platform reliability, observability, and performance• Work on real-time interaction challenges like interruptions, responsiveness, turn-taking, and conversation flow• Collaborate closely with product and design to build voice experiences that feel polished and intuitiveWhy This Role Is Exciting• Real user impact: your work directly shapes how every conversation feels• Interesting technical problems: low-latency systems, real-time interaction, and AI-powered workflows• Broad ownership: you&#39;ll contribute across product, platform, and infrastructure• Strong opportunity: voice AI is still early, and you&#39;ll help define what great products in this space look likeWe&#39;d Love to Hear From You If You• Have 3&#43; years of experience building production software• Are a strong backend engineer first, with solid fundamentals in APIs, async systems, integrations, and system design• Have experience building and owning product features end to end• Have worked with real-time or event-driven systems such as WebSockets, WebRTC, streaming, or low-latency APIs• Care about product quality and enjoy solving user-facing problems• Are excited about voice AI, conversational products, or real-time systemsNice to Have• Experience with React and TypeScript• Experience building frontend product experiences• Experience with Python and async backend architectures• Experience with telephony, WebRTC, SIP, or audio/video systems• Experience with LLMs, speech systems, or conversational AI• Experience debugging performance or reliability issues in productionTech StackPython, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, and modern LLM / speechinfrastructure.The US annualized base salary range for this position is $145,000.00-$217,000.00. This position may also be eligible for bonus, benefits, or related incentives. While this range reflects the minimum and maximum value for new hire salaries for the position across all US locations, the offer for the successful candidate for this position will be based on job related capabilities, applicable experience, and other factors such as work location. Please note that the compensation details listed in US role postings reflect the base salary only (or OTE for commissions based roles), and do not include bonus, benefits, or related incentives.The intelligent heart of customer experienceZendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.<a target="_blank" href="http://www.zendesk.com/company/careers/?utm_source&#61;other&amp;utm_medium&#61;organic&amp;utm_campaign&#61;job-description_Global_2025Q3">Zendesk</a> believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working, enables us to purposefully come together in person, at one of our many Zendesk offices around the world, to connect, collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.As part of our commitment to fairness and transparency, we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position, in accordance with Company guidelines and applicable law.Zendesk is an equal opportunity employer, and we’re proud of our ongoing efforts to foster <a target="_blank" href="http://www.zendesk.com/diversity-inclusion/">global diversity, equity, &amp; inclusion</a> in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law, please <a target="_blank" href="https://www.eeoc.gov/sites/default/files/2022-10/EEOC_KnowYourRights_screen_reader_10_20.pdf">click here</a>. Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please send an e-mail to <a target="_blank" href="mailto:peopleandplaces&#64;zendesk.com">peopleandplaces&#64;zendesk.com</a> with your specific accommodation request.

Senior Fullstack Engineer, Solve

Senior Fullstack Engineer

3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.

Job DescriptionWe are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS?NOTE:1: This position is hybrid (3 days onsite) in our FIS Office locations in Atlanta (GA), Jacksonville (FL), Milwaukee (WI).2: Current and future sponsorship are not available for this position.About the team:The Event Broker team builds and supports enterprise Kafka infrastructure, enabling real-time event delivery across debit, credit, and core banking platforms. We provide a scalable, secure messaging backbone used across the organization.What you will be doing:<ul><li>Design, build, and support event-driven systems for critical banking platforms.</li><li>Develop and operate Kafka-based event pipelines at enterprise scale.</li><li>Defining data and automation strategy.</li><li>Build backend services and integrations using Python.</li><li>Proficient in databases like Snowflake, Oracle, and MongoDB</li><li>Participate in system design, architecture reviews, and production support.</li><li>Collaborate with product, engineering, and client-facing teams.</li><li>Write technical specs, documentation, and operational runbooks.</li><li>Support systems in Unix/Linux environments.</li></ul>What you will need:<ul><li>10&#43; years of experience in backend or platform engineering.</li><li>Strong experience with Apache Kafka and event-driven architectures.</li><li>Proficiency in Python, and Unix/Linux.</li><li>Experience with Snowflake, Oracle, and/or MongoDB.</li><li>Strong SQL and database design skills.</li><li>Experience building RESTful or event-based services.</li><li>Familiarity with automation processes and tools (e.g., JUnit).</li><li>Experience in financial services or regulated environments.</li><li>Bachelor’s degree in Computer Science, Engineering, or equivalent experience.</li></ul>Added bonus if you have:<ul><li>Enterprise Kafka / Confluent experience.</li><li>Banking or payments domain experience.</li><li>Agile development experience.</li></ul>What we offer you:At FIS, you can learn, grow and make an impact in your career. Our benefits include:<ul><li>Flexible and creative work environment</li><li>Diverse and collaborative atmosphere</li><li>Professional and personal development resources</li><li>Opportunities to volunteer and support charities</li><li>Competitive salary and benefits</li></ul>NOTE:1: This position is hybrid (3 days onsite) in our FIS Office locations in Atlanta (GA), Jacksonville (FL), Milwaukee (WI).2: Current and future sponsorship are not available for this position. Privacy StatementFIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the <a target="_blank" href="http://www.fisglobal.com/privacy">Online Privacy Notice</a>.EEOC StatementFIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is <a target="_blank" href="https://www.eeoc.gov/sites/default/files/migrated_files/employers/eeoc_self_print_poster.pdf">available here</a> supplement document <a target="_blank" href="http://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf">available here</a> For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.Sourcing ModelRecruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.#pridepass

Software Engineer Sr Lead

Software Engineer

10+ years backend or platform engineering; Apache Kafka; Python; Unix/Linux; Snowflake/Oracle/MongoDB; SQL; RESTful or event-based services; financial services experience; Bachelor's degree.

<div><h3>Job Description</h3><div>Job SummaryThis role supports the development of the Walgreens Digital/Online platform, with a focus on full stack engineering across both front-end and back-end systems. You will build and enhance applications used at scale, working in an Agile environment with a strong emphasis on hands-on development, deployments, and troubleshooting. <hr data-end="473" data-start="470">Your Day-to-Day <ul data-end="891" data-start="500"><li data-end="561" data-section-id="1rehjhn" data-start="500">Develop and maintain backend services and APIs using Java</li><li data-end="629" data-section-id="1ice625" data-start="562">Build and enhance front-end applications using React or Angular</li><li data-end="683" data-section-id="1d1cj1m" data-start="630">Deliver features end-to-end across the full stack</li><li data-end="764" data-section-id="1cai2vr" data-start="684">Participate in Agile development and collaborate with cross-functional teams</li><li data-end="832" data-section-id="13an6zw" data-start="765">Troubleshoot issues and support deployments and CI/CD pipelines</li><li data-end="891" data-section-id="1bqrrt4" data-start="833">Identify and help resolve system or performance issues</li></ul> <hr data-end="896" data-start="893">Tech & Tools <ul data-end="1174" data-start="920"><li data-end="965" data-section-id="13yonh2" data-start="920">Backend: Java, Spring Boot, REST APIs</li><li data-end="1012" data-section-id="wdn5jx" data-start="966">Frontend: React or Angular, JavaScript</li><li data-end="1057" data-section-id="e5fpfb" data-start="1013">Databases: Oracle, MySQL, or MongoDB</li><li data-end="1100" data-section-id="136vanu" data-start="1058">Cloud: Azure, AWS, or Google Cloud</li><li data-end="1130" data-section-id="18vpdjn" data-start="1101">DevOps: CI/CD, Docker</li><li data-end="1174" data-section-id="oxz94g" data-start="1131">Other: Python/Bash scripting, Linux</li></ul> <hr data-end="1179" data-start="1176">What You’ll Bring <ul data-end="1389" data-start="1208"><li data-end="1269" data-section-id="1lpw22" data-start="1208">Experience across both front-end and back-end development</li><li data-end="1324" data-section-id="1q51oz0" data-start="1270">Strong foundation in Java and modern UI frameworks</li><li data-end="1389" data-section-id="177yh8g" data-start="1325">Ability to build, debug, and support applications end-to-end</li></ul> <hr data-end="1394" data-start="1391">Additional Requirements <ul data-end="1528" data-start="1429"><li data-end="1471" data-section-id="88aeid" data-start="1429">Hybrid: 4 days onsite in Deerfield, IL</li><li data-end="1528" data-section-id="ow21h" data-start="1472">Work visa sponsorship is not available for this role</li></ul> Job Responsibilities <ul><li>Performs and implements daily operational activities that generally influence mid-level components / processes of technology function, including but not limited to writing code and scripts that provide desired functionality to the software products and programs. Performs and implements daily operational activities that impact discrete components / processes of the engineering work function, and may include responsibilities, such as: participating in improvement and monitoring of deployment operations on pre-release, upgrades and current versions of software; participating in evaluating compatibility of programs with existing communications hardware and software features; participating in development of protocols to support established standards; improving operation and monitoring of standard and advanced features; participating in development of processes and interface requirements; participating in data development and definition of acceptance criteria.</li><li>Creates, develops and maintains software code working in an agile environment.</li><li>Evolves software solutions that meet product functionality and quality needs with respect to functionality, performance, scalability, reliability, schedules and adherence to program goals and principles.</li><li>Analyzes and reviews system requirements. Uses requirement and other design documents to gain overall understanding of the functionality of the new or enhanced application.</li><li>Participates in the design, architecture and build phases, to aim at producing high quality deliverables, working with existing architects where appropriate. Participates in the evaluation of compatibility of programs with existing communications hardware and software features.</li><li>Provides recommendations on product and development environment improvements.</li><li>Reviews and maintains sprint tasks and issue tracking for products</li><li>Maintains and supports existing and develops web-based prototypes, applications and tools.</li><li>Effectively resolves problems, roadblocks and basic problems as they occur.</li><li>Gathers and updates necessary information and communicates to appropriate parties</li><li>Coordinates cross-functionally to accomplish activities. Interacts with internal and external peers and/or managers to exchange semi-complex information related to assigned activities. Interacts with internal and external peers and/or managers to exchange information related to assigned activities.</li><li>Identifies and determines likely reasons for problematic causes. Prepares accurate documentation and communication to effectively facilitate elimination of problems / roadblocks as they occur and create efficient fixes.</li><li>Gathers and updates necessary information and communicates to appropriate parties.</li><li>May contribute to developing software protocols to support established standards</li></ul>About Walgreens Founded in 1901, Walgreens (www.walgreens.com) proudly serves nearly 9 million customers and patients each day across its approximately 8,500 stores throughout the U.S. and Puerto Rico. Walgreens has approximately 220,000 team members, including nearly 90,000 healthcare service providers, and is committed to being the first choice for pharmacy, retail and health services, building trusted relationships that create healthier futures for customers, patients, team members and communities.  </div><h3>External Basic Qualifications</h3><div><ul><li>Bachelor’s degree in computer science or related field of study OR a High School Diploma/GED and at least 4 years of experience in Engineering, Software Engineering or related field</li><li>Knowledge of coding web or mobile applications</li><li>Knowledge of Agile</li><li>Willing to travel up to 10 % of the time for business purposes ((within state and out of state)</li></ul></div><h3>Work Location Address</h3><div>106 WILMOT RD,DEERFIELD,IL 60015 </div><h3>Job Function</h3><div>Information Technology</div><h3>Preferred Qualifications</h3><div><h3>Preferred Qualifications (Manager-Aligned & Compliant)</h3><ul><li>Experience analyzing and reporting data to identify issues, trends, or exceptions, and contributing to solutions that drive improved outcomes</li><li>Experience identifying operational issues and supporting the implementation of strategies to resolve them</li></ul>DevOps<ul><li>Experience with DevOps practices</li><li>Proficiency in scripting languages such as Bash, Python, or Ruby</li><li>Working knowledge of automation and configuration tools (e.g., Chef, Puppet, Terraform, Ansible)</li><li>Working knowledge of containerization (e.g., Docker) and CI/CD pipelines</li><li>Exposure to cloud technologies such as Azure, AWS, or Google Cloud Platform, and Linux environments</li></ul>Web / Backend Development<ul><li>Experience as a web or backend developer</li><li>Proficiency in programming languages such as Java, Node.js, .NET, JavaScript, HTML, or similar</li><li>Working knowledge of modern UI frameworks (e.g., React, Angular)</li><li>Knowledge of relational (e.g., Oracle, MySQL) and/or NoSQL (e.g., MongoDB) databases</li><li>Exposure to cloud technologies such as Azure, AWS, Google Cloud Platform, or Cloud Foundry</li></ul>Mobile Development<ul><li>iOS: Knowledge of Swift and/or SwiftUI</li><li>Android: Knowledge of Kotlin</li></ul>Data & Analytics<ul><li>Exposure to building analytics solutions using cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform</li></ul>We will consider employment of qualified applicants with arrest and conviction records.</div><h3>Company Indicator</h3><div>Walgreens</div><h3>Common Location</h3><div>200 WILMOT RD,DEERFIELD,IL,60015-04620-00001-2 </div><h3>Max Rate</h3><div>127000</div><h3>Start Rate</h3><div>79300</div><h3>Pay Grade ID</h3><div>CORP-A2</div><h3>Pay Type</h3><div>Salaried</div></div>

Software Engineer I (Full Stack) Java

Full stack role requiring Java backend, React/Angular frontend, CI/CD, cloud, and Agile experience.

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