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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Onsite Role for Principal Engineer Digital Retail Web & App - **Company:** Tekaccel Inc - **Location:** Deerfield, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Applications Architecture, Application Performance Management, Microsoft Azure, Cloud Engineering, Software Quality, Code Review, Databases, Distributed Systems, Monitoring of Systems, MongoDB, Node.Js, Redis, Software Engineering, Systems Architecture, Datadog, ReactJS, Spring-boot, Reliability of Systems, Technical Debt, Backend, Event Driven Architecture, Information Technology, Restful APIs, Dynatrace, Microservices - **Published:** August 26, 2026 - **Apply:** https://www.careerjet.com/jobad/usa4bfc5bfc4dd84180420835d76ce8eea ## About the Role * Bachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience. * Significant experience in software engineering, system architecture, and large-scale digital applications. * Strong hands-on development experience with Java and Spring Boot. * Experience with React and/or Node.js. * Strong understanding of REST APIs, microservices, distributed systems, event-driven architectures, and cloud-native application design. * Strong hands-on experience with Microsoft Azure, including application architecture, deployment, security, integration, scalability, and resiliency. * Experience with MongoDB, Redis, or similar modern database and caching technologies. * Strong experience with Datadog or similar observability and monitoring platforms. * Deep understanding of scalability, performance, reliability, security, maintainability, and production readiness. * Proven ability to lead complex technical initiatives across multiple teams. * Strong technical decision-making, communication, collaboration, and stakeholder management skills. ## Description We are seeking a Principal Engineer to provide senior technical leadership and hands-on engineering expertise across Digital Retail Web and App platforms. This role will lead architecture, system design, technical problem-solving, and engineering excellence for complex, high-impact initiatives. The Principal Engineer will influence technical direction across multiple engineering teams while remaining hands-on with coding, code reviews, technical spikes, proof-of-concepts, and production troubleshooting. The ideal candidate will have deep expertise in Java, Spring Boot, React/Node.js, Azure, microservices, APIs, distributed systems, and modern observability practices., Architecture & Software Engineering * Lead architecture and system design for complex digital initiatives across web, mobile, APIs, and backend services. * Remain hands-on through coding, code reviews, technical spikes, POCs, and solution prototyping. * Design scalable, secure, resilient, and high-performing digital applications. Technical Standards & Engineering Excellence * Define and promote reusable architecture patterns, APIs, frameworks, and engineering standards. * Establish best practices for code quality, maintainability, testing, security, and deployment. * Drive consistency and engineering excellence across multiple development teams. Performance, Reliability & Production Readiness * Drive application stability, scalability, performance, resiliency, availability, and production readiness. * Lead root-cause analysis and resolution of complex application and production issues. * Identify and address technical debt, architectural risks, integration challenges, and scalability bottlenecks. Observability & Monitoring * Establish comprehensive application observability using Datadog or similar platforms. * Implement effective monitoring for application performance, logs, distributed tracing, alerting, availability, and production diagnostics. * Define KPIs and operational metrics to improve system reliability and customer experience. Technical Consulting * Partner with Product, Engineering, UX, Security, Infrastructure, Data, and other stakeholders. * Translate business and customer requirements into pragmatic and scalable technical solutions. * Evaluate technology options, architectural trade-offs, dependencies, and risks. Technical Leadership & Mentorship * Provide technical leadership and influence engineering teams without direct authority. * Mentor senior engineers, technical leads, and development teams. * Establish a culture of continuous improvement, engineering quality, and technical innovation. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)