Top Senior Java Developer Jobs in Chicago, IL

Leads two scrum teams while remaining hands-on in software development at least 50% of the time. Designs, codes, tests, debugs, and supports secure, resilient, high-throughput distributed payment systems using Java and Spring Boot. Drives AI-assisted engineering practices, automation, CI/CD, code quality, operational stability, and responsible AI usage. Evaluates technical solutions with vendors and internal teams and leads engineering communities of practice.

Lead the design, development, and support of large-scale Java enterprise applications and cloud-native platforms. Architect microservices, REST APIs, event-driven services, and distributed systems; implement CI/CD, DevSecOps, automated testing, security, monitoring, and observability practices. Provide technical leadership and mentorship, support mission-critical production systems, lead incident resolution, and improve reliability and performance across global, regulated-data environments. Preferred experience includes AI/LLM integrations, globally distributed databases, multi-region architectures, and SRE practices.

Lead backend and full-stack engineering initiatives for customer rewards redemption platforms. Design and implement scalable, cloud-native microservices; guide architectural modernization; mentor engineers; establish technical standards; and partner with product, architecture, fraud, and customer experience teams. The role requires expertise in distributed systems, multiple programming languages, cloud platforms, databases, APIs, CI/CD, observability, and modern software development practices.

Leads software engineering within an agile banking technology team, designing, developing, testing, debugging, and operating secure, scalable Java applications. Reviews code, improves automation and continuous delivery, resolves recurring operational issues, and promotes responsible AI-assisted engineering practices. Evaluates architectural solutions with vendors and internal teams while guiding technical delivery, resiliency, cloud-native development, data streaming, and secure software practices.

Lead development of an AI-first developer portal and AI-enabled support experiences, design secure external API platforms and integrations, establish engineering standards for AI/automation, remain hands-on with critical coding and architecture, drive cross-functional delivery, and coach/mentor engineering talent.

Leads a team of software engineers in designing, developing, testing, and operating secure, resilient Java microservices. Oversees architecture, implementation, technical troubleshooting, and design documentation for event-driven systems using Kafka, Spring Boot, and cloud infrastructure. Promotes automation, responsible AI-assisted development, secure coding, continuous delivery, operational stability, and adoption of emerging technologies. Provides technical leadership across agile teams and evaluates architectural solutions with vendors and internal stakeholders.

Lead and mentor an agile engineering team to design, build, test, and operate secure, scalable Java microservice applications. Drive adoption and governance of AI-assisted engineering practices, review and deliver high-quality production code, influence product and technical decisions, and promote firmwide SDLC tools and standards.

Lead an agile team to design, develop, and maintain secure, scalable Java/Spring Boot microservices. Produce high-quality code, drive architecture/vendor evaluations, automate remediation, promote AI-assisted engineering practices, and ensure operational stability and secure SDLC adoption across teams.

Leads development of secure, scalable Java full-stack applications within an agile team. Designs microservices and resilient architectures, writes and reviews production code, resolves operational issues, and promotes automation and AI-assisted engineering practices. Builds front-end and back-end solutions using Java, Python, modern web technologies, databases, cloud-native patterns, and agentic AI frameworks. Coaches engineers on responsible AI usage, security, testing, and delivery standards while evaluating architectural solutions with vendors and internal stakeholders.

Leads complex software optimization initiatives from design through implementation and validation. Builds cloud-native services, data pipelines, dashboards, automation, and AI-enabled forecasting solutions. Analyzes cloud costs, resource utilization, reliability, capacity, and engineering productivity while partnering with Engineering, Finance, Product, Data, Platform, and SRE teams. Ensures scalable and secure integrations, testing, observability, financial data quality, and measurable savings. Provides technical leadership and mentorship to junior engineers without direct people-management responsibilities.

Lead and mentor engineering teams building large-scale, cloud-native full-stack systems for credit card application and provisioning experiences. Design distributed microservices, modern user experiences, APIs, and shared platforms using Java, Go, Angular, AWS, and related technologies. Own architecture, deployment, support, reliability, observability, technical standards, and long-term platform roadmaps while collaborating with product managers, architects, and cross-functional engineering teams.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Build software, data pipelines, dashboards, and automation for cloud cost visibility, infrastructure efficiency, reliability, engineering productivity, and financial accountability. Analyze workloads and billing data, implement AI- and analytics-enabled forecasting and anomaly detection, develop cloud-native services, and support capacity planning, cost allocation, and optimization. Collaborate with Engineering, Finance, Data, Platform, SRE, Architecture, and Product teams while testing, troubleshooting, documenting, and communicating recommendations and business value.

Develops, tests, debugs, documents, and maintains complex Java software applications and web services using Spring Boot. Designs RESTful services, queries SQL databases, manages Git workflows, reviews code, builds automated CI/CD tests, troubleshoots defects, and contributes to secure software engineering practices. Collaborates with team members and stakeholders to deliver product capabilities for Paze and other financial services platforms.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Develop and maintain React front ends and Java Spring Boot back-end services for a transportation-command modernization program. Responsibilities include building reusable components, integrating REST APIs, modernizing legacy applications, writing automated tests, troubleshooting performance and usability issues, participating in code reviews, supporting CI/CD deployments, and collaborating with analysts, designers, testers, and DevSecOps engineers. The role is fully remote and requires eligibility for a Secret clearance and an active IAT Level II certification.

Develop and maintain scalable full-stack applications for telecom and contact center environments. Build Java and Spring Boot microservices, REST APIs, event-driven integrations, frontend applications with Angular or React, and Node.js components. Work with PostgreSQL, OpenAPI, containers, and Jenkins CI/CD pipelines while optimizing performance and reliability. Collaborate with QA, DevOps, Product, and engineering teams on technical design, architecture, code reviews, and implementation decisions.

Develop and maintain Java applications, RESTful services, and Angular frontends using Spring Boot and NgRx. Deploy applications to cloud platforms, practice TDD, manage CI/CD with Jenkins, and work with Oracle and PostgreSQL databases. Participate in agile processes, collaborate with cross-functional teams, mentor engineers, and independently lead technical initiatives and feature delivery.

Senior individual-contributor backend engineer responsible for designing, building, and operating production-grade, highly available, strongly consistent services for wallet operations, transaction orchestration, blockchain integrations, and event-driven workflows. Implement secure, scalable APIs, cryptographic key management, Kafka-based event systems, observability with OpenTelemetry, CI/CD pipelines, and produce tests, API specs, and operational runbooks.

Provides senior technical leadership for Java backend development on an AWS-hosted digital platform. Designs, develops, tests, deploys, and maintains RESTful microservices and scalable applications. Leads code reviews, mentors developers, resolves complex technical issues, establishes software quality practices, and guides documentation. Collaborates on cross-functional Agile teams to deliver new functionality, using cloud services, message streaming, databases, CI/CD pipelines, and automated testing tools.

Designs, develops, tests, deploys, and supports secure Java software using Agile, XP, TDD, and CI/CD practices. Collaborates with cross-functional teams on system and application design, contributes to planning and retrospectives, provides production support, and serves as a domain subject matter expert. The role also establishes deployment practices, shares knowledge, and mentors junior engineers while working with APIs, databases, messaging systems, security tools, and cloud platforms.