--- title: "Custom Software Development Chicago | Mejix" description: "Custom software development for Chicago. Product, platform, AI, and cloud engineering with senior engineers serving The Loop, Evanston, Naperville." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Service", "@id": "https://www.mejix.com/custom-software-development-chicago#service", "name": "Mejix — Custom software development Chicago", "url": "https://www.mejix.com/custom-software-development-chicago", "image": "https://www.mejix.com/mejix-logo.svg", "areaServed": [ { "@type": "City", "name": "Chicago" }, { "@type": "AdministrativeArea", "name": "Illinois" } ], "provider": { "@type": "Organization", "name": "Mejix", "url": "https://www.mejix.com" }, "serviceType": "Custom software development services", "geo": { "@type": "GeoCoordinates", "latitude": 41.8781, "longitude": -87.6298 } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Do you work with custom software development clients in Chicago?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — Mejix delivers custom software development engagements for clients across Chicago and the surrounding metro area. Chicago anchors a deep B2B and manufacturing economy. We modernise legacy ERP and wholesale flows onto Shopify Plus B2B, and build the custom software that bridges field operations to digital." } }, { "@type": "Question", "name": "Are your engineers in the same timezone as Chicago?", "acceptedAnswer": { "@type": "Answer", "text": "Central-time standups; full-day overlap with both coasts. Our engagement leads run discovery, demos, and reviews on your business hours, with senior engineers covering the rest of the workday." } }, { "@type": "Question", "name": "Can you handle US sales tax, payments, and compliance for Chicago?", "acceptedAnswer": { "@type": "Answer", "text": "Illinois ROT, multi-state nexus, and B2B/wholesale tax patterns covered." } }, { "@type": "Question", "name": "What does a typical custom software development engagement look like?", "acceptedAnswer": { "@type": "Answer", "text": "We start with a fixed-scope discovery (1–2 weeks) to align on outcomes, then deliver in 2-week sprints with weekly demos. Most engagements run 3–9 months, with optional retainers for ongoing work." } }, { "@type": "Question", "name": "Can your team meet on-site in Chicago?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — our engagement leads travel to Chicago for kickoffs, workshops, and quarterly reviews whenever they move the work forward. Day-to-day delivery is remote across our New York and Cluj teams." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.mejix.com/" }, { "@type": "ListItem", "position": 2, "name": "Locations", "item": "https://www.mejix.com/locations" }, { "@type": "ListItem", "position": 3, "name": "Custom software development Chicago", "item": "https://www.mejix.com/custom-software-development-chicago" } ] } ] --- ## We value your privacy We use cookies to analyze traffic and improve your experience. You can accept all, decline non-essential cookies, or customize your preferences. See our [privacy policy](/privacy). CustomizeDeclineAccept all [![Mejix](/mejix-logo.svg)](/) [Home](/) [Company](#about) [Services](/services) [Industries](/industries) [Our Work](/work) [AI Solutions](/ai-solutions) Start a project→ Start here→ Chicago # Custom software development in Chicago Mejix is a senior software consultancy serving Chicago. Central-time coverage for Chicago, the Loop, and the wider Midwest. We design, build, and modernise products for ambitious teams — fast, focused, and accountable. Book a discovery call[+1 (212) 401-6213](tel:+12124016213) ![Custom software engineering team delivering for Chicago businesses](/assets/product-development-hero-BO46bdoe.webp) What we build for Chicago teams ## Custom software, built to ship Product strategy, engineering, and platform work for ambitious teams — delivered by senior engineers, on your timezone. ### Product & MVP development Take a product from sketch to revenue: discovery, design, and full-stack engineering with a senior team. ### Platform & SaaS engineering Multi-tenant SaaS, billing, RBAC, observability, and SOC-2-ready architecture — built to scale past Series A. ### Legacy modernisation Strangle-fig migrations off legacy stacks (PHP, .NET, monoliths) into modern TypeScript / Node / cloud services. ### Cloud, DevOps & data AWS, GCP, Azure, Vercel, Supabase — production-grade infrastructure, CI/CD, and data pipelines without the platform-team headcount. ### Integrations & APIs ERPs, CRMs, payments, identity, EDI, and AI APIs — wired up, documented, and monitored. ### Embedded staff augmentation Senior engineers embedded into your team for 3+ months when you need velocity without the hiring overhead. [Explore software consulting & development](/services/product-development) Why local matters ## A custom software partner in your timezone ### On the ground in your metro Central-time coverage for Chicago, the Loop, and the wider Midwest. ### Regional coverage Serving teams across The Loop, Evanston, Naperville, Milwaukee. ### Senior engagement lead Central-time standups; full-day overlap with both coasts. ### Certified delivery Shopify Plus Partner, AWS / GCP / Azure aware, SOC-2-ready engineering. Chicago anchors a deep B2B and manufacturing economy. We modernise legacy ERP and wholesale flows onto Shopify Plus B2B, and build the custom software that bridges field operations to digital. Certifications & Recognitions ![OpenAI](/assets/openai-DdkhCwT6.webp) ![make-AI](/assets/make-ai-DZ1amQCt.webp) ![n8n](/assets/n8n-CP9gA77z.webp) ![React Native](/assets/react-native-CgsFAPha.webp) ![Android](/assets/android-IQPYmEUz.webp) ![iOS](/assets/ios-B2Ii1G2I.webp) ![NestJS](/assets/nest-tz5A0lzF.webp) ![OpenAI](/assets/openai-DdkhCwT6.webp) ![make-AI](/assets/make-ai-DZ1amQCt.webp) ![n8n](/assets/n8n-CP9gA77z.webp) ![React Native](/assets/react-native-CgsFAPha.webp) ![Android](/assets/android-IQPYmEUz.webp) ![iOS](/assets/ios-B2Ii1G2I.webp) ![NestJS](/assets/nest-tz5A0lzF.webp) Our Work ## Case Studies [![Dish by Metro](/assets/dish-CjDFvSzr.webp) Finance and Banking ### Dish by Metro We support DISH by Metro's Dish Pay platform with dedicated cross-functional teams delivering end-to-end product development — a high-volume digital payment solution serving the US restaurant market. ](/work/case-studies/dish-by-metro)[![Dine Market](@/assets/services/case-dine.png) Manufacturing ### Dine Market We built the Dine Market B2B wholesale ordering platform from scratch — digitising a food supply chain that previously ran on phone calls and spreadsheets, connecting restaurants and food suppliers across NY/NJ/CT. ](/work/case-studies/dine-market)[![Yehuda](/assets/yehuda-DnUKWjlE.webp) Jewelry Tech ### Yehuda We built and operate Yehuda's global SaaS platform — mobile, web, backend, hardware, and AI — running 188K+ operations monthly with 2,200+ active subscriptions across 60+ countries. ](/work/case-studies/yehuda) Reviews & Certifications ## Our clients praise us for our great results [Read all reviews](#) ![Client logo](data:image/webp;base64,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) Mejix has successfully created and launched a functional mobile app, which allows the client to reach and diagnose over 5,000 patients. Despite geographically dispersed clients, the team is accommodating and communicative. They've worked hard to deliver the project on time and within the budget. Candice Wu Head of Design, Yehuda FAQ ## Custom software development in Chicago — common questions Do you work with custom software development clients in Chicago? Yes — Mejix delivers custom software development engagements for clients across Chicago and the surrounding metro area. Chicago anchors a deep B2B and manufacturing economy. We modernise legacy ERP and wholesale flows onto Shopify Plus B2B, and build the custom software that bridges field operations to digital. Are your engineers in the same timezone as Chicago? Central-time standups; full-day overlap with both coasts. Our engagement leads run discovery, demos, and reviews on your business hours, with senior engineers covering the rest of the workday. Can you handle US sales tax, payments, and compliance for Chicago? Illinois ROT, multi-state nexus, and B2B/wholesale tax patterns covered. What does a typical custom software development engagement look like? We start with a fixed-scope discovery (1–2 weeks) to align on outcomes, then deliver in 2-week sprints with weekly demos. Most engagements run 3–9 months, with optional retainers for ongoing work. Can your team meet on-site in Chicago? Yes — our engagement leads travel to Chicago for kickoffs, workshops, and quarterly reviews whenever they move the work forward. Day-to-day delivery is remote across our New York and Cluj teams. Also serving ## Custom software development across the USA [Custom software development New York City](/custom-software-development-new-york)[Custom software development Los Angeles](/custom-software-development-los-angeles)[Custom software development the San Francisco Bay Area](/custom-software-development-san-francisco)[Custom software development Miami](/custom-software-development-miami)[Custom software development Austin](/custom-software-development-austin)[Custom software development Seattle](/custom-software-development-seattle)[Custom software development across the USA](/custom-software-development-usa) ![](data:image/svg+xml,%3csvg%20width='44'%20height='46'%20viewBox='0%200%2044%2046'%20fill='none'%20xmlns='http://www.w3.org/2000/svg'%3e%3cpath%20d='M19.6667%203.33333H12.2C8.27966%203.33333%206.31948%203.33333%204.8221%204.09629C3.50496%204.7674%202.4341%205.83827%201.76298%207.1554C1.00003%208.65278%201.00003%2010.613%201.00003%2014.5333V26.6667C1.00003%2028.8366%201.00003%2029.9216%201.23855%2030.8117C1.88582%2033.2274%203.77265%2035.1142%206.1883%2035.7615C7.07846%2036%208.16343%2036%2010.3334%2036V41.4495C10.3334%2042.6928%2010.3334%2043.3145%2010.5882%2043.6338C10.8099%2043.9114%2011.146%2044.073%2011.5013%2044.0726C11.9098%2044.0722%2012.3953%2043.6838%2013.3661%2042.9071L18.9322%2038.4543C20.0692%2037.5446%2020.6378%2037.0898%2021.2708%2036.7664C21.8325%2036.4794%2022.4304%2036.2697%2023.0482%2036.1429C23.7446%2036%2024.4727%2036%2025.9288%2036H29.4667C33.3871%2036%2035.3472%2036%2036.8446%2035.237C38.1618%2034.5659%2039.2326%2033.4951%2039.9037%2032.1779C40.6667%2030.6806%2040.6667%2028.7204%2040.6667%2024.8V24.3333M40.9498%203.05025C43.6834%205.78392%2043.6834%2010.2161%2040.9498%2012.9497C38.2161%2015.6834%2033.784%2015.6834%2031.0503%2012.9497C28.3166%2010.2161%2028.3166%205.78392%2031.0503%203.05025C33.784%200.316582%2038.2161%200.316582%2040.9498%203.05025Z'%20stroke='%231A3760'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3e%3c/svg%3e) ## How can we help? Whether you're scoping, migrating, or scaling — our custom software partner team is ready to help teams in Chicago. Central-time standups; full-day overlap with both coasts. Contact us ![Mejix](/mejix-logo.svg) New York, USA Office 541 W 25th St, New York, NY 10001 tel: +1 (212) 401-6213 Cluj, Romania Office tel: +40 (746) 778-303 Latin America, Costa Rica tel: +1 (212) 401-6213 hello@mejix.com C. ★★★★★ 7 Reviews ## Company - [Home](/) - [About Us](/about) - [Careers](/jobs) - [Events](/events) - [Insights](/insights) - [AI Hub](/ai-hub) - [Contact Us](#contact) ## Services - [Software Consulting & Development](/services/product-development) - [Embedding AI into Organisations](/services/ai-development) - [Ecommerce & Shopify Plus](/shopify-plus-b2b) - [Ecommerce Platform Comparison 2026](/services/shopify-plus/platform-comparison-2026) - [Digital Transformation & Process Automations](/services/digital-transformation) - [Product Development](/services/product-development) - [Staff Augmentation](/services/managed-it) - [Managed IT Services](/services/managed-it) - [Marketing Services](/services) ## Industries - [Finance and Banking](/industries/finance) - [Health and Medical](/industries/health) - [Luxury Fashion and Jewelry](/industries/luxury) - [Manufacturing](/industries/manufacturing) - [Retail and Services](/industries/retail) - [Media and Communication](/industries) ## Locations - [New York City](/shopify-plus-agency-new-york) - [Los Angeles](/shopify-plus-agency-los-angeles) - [San Francisco](/shopify-plus-agency-san-francisco) - [Miami](/shopify-plus-agency-miami) - [United States](/shopify-plus-agency-usa) - [United Kingdom](/shopify-plus-agency-united-kingdom) - [Germany](/shopify-plus-agency-germany) - [Romania](/shopify-plus-agency-romania) - [All locations](/locations) © 2026 Mejix. 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