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Java Nodejs Developer Jobs in Illinois (NOW HIRING)

Staff SRE - Observability

Chicago, IL

$58.75 - $78/hr

Proficiency in multiple programming languages preferred (Go, Python, Java, Node.js, Rust) * Strong scripting and automation skills (Bash, Python, PowerShell) * Understanding of software engineering ...

Staff SRE - Observability

Chicago, IL · On-site

$58.75 - $78/hr

Proficiency in multiple programming languages preferred (Go, Python, Java, Node.js, Rust) * Strong scripting and automation skills (Bash, Python, PowerShell) * Understanding of software engineering ...

... with Java and Spring Boot (required) • Hands-on blockchain development experience • Smart ... • Experience with Node.js, Python, Go, or Rust • Strong understanding of cryptography ...

... React, Node.js). Programming Languages: Solid technical knowledge of high-level programming languages including Python, TypeScript, JavaScript, and Java. AI-Native Development: Proven experience ...

New

We are seeking a highly skilled Full Stack Developer with expertise in Node.js, Angular, and AWS to build and support modern cloud-native applications. The ideal candidate will be responsible for ...

We are seeking a highly skilled Full Stack Developer with expertise in Node.js, Angular, and AWS to build and support modern cloud-native applications. The ideal candidate will be responsible for ...

Node JS Developer

Chicago, IL · On-site

$52.75 - $68.25/hr

Node JS Developer. Location: Chicago, IL . Duration: 12 months ... Ability to implement the features in field tools using technologies like Node.JS, Server side Java ...

Ui Frontend Developer

Northbrook, IL

$105K - $122K/yr

At least 6 years of experience in Java, JEE skills At least 4 years of experience in Object ... dockertoolbox , nodeJS At least 4 years experience in Extreme programming (for example, pair ...

Strong programming background in modern languages (e.g., PHP, Python, Java, Node.js, JavaScript) and familiarity with frontend frameworks (React, Vue, or similar) * Experience working with global ...

Big Data Engineer

Chicago, IL · On-site

$57.50 - $76/hr

Full stack Java developer * Hands on experience in building production applications using Node.js and React Environment History of Project: * Cross Asset Query Tool - will bring low latency query ...

Big Data Engineer

Chicago, IL · On-site

$57.50 - $76/hr

Full stack Java developer * Hands on experience in building production applications using Node.js and React Environment History of Project: * Cross Asset Query Tool - will bring low latency query ...

Big Data Engineer

Chicago, IL · On-site

$57.50 - $76/hr

Full stack Java developer * Hands on experience in building production applications using Node.js and React Environment History of Project: * Cross Asset Query Tool will bring low latency query ...

... Java Developer with some JavaScript experience for UI. Requirements: Must have experience ... Server Technologies: Node.js Express Socket.io Passport Mocha Source Management and Build ...

Showing results 41-60

Java Nodejs Developer information

What is the difference between Java Nodejs Developer vs Python Developer?

AspectJava Nodejs DeveloperPython Developer
Required SkillsJava, Node.js, JavaScript, REST APIsPython, Django/Flask, REST APIs
Work EnvironmentWeb applications, backend services, enterprise solutionsWeb development, data science, automation, backend services
CertificationsJava certifications, Node.js certificationsPython certifications, cloud platform certifications
Industry UsageFinance, e-commerce, enterprise appsData analysis, AI, web apps, automation

The Java Nodejs Developer and Python Developer roles share common ground in backend development and require programming skills, but they differ in primary languages and typical industry applications. Java Nodejs Developers focus on enterprise-level web applications using Java and JavaScript, while Python Developers often work in data science, automation, and web development with Python. Both roles are in high demand across various industries, with certifications enhancing job prospects.

What are the key skills and qualifications needed to thrive as a Java Nodejs Developer, and why are they important?

To thrive as a Java Nodejs Developer, you need strong programming skills in Java and JavaScript (Node.js), a solid understanding of backend frameworks, and experience with RESTful APIs, typically supported by a relevant degree or coding bootcamp. Familiarity with version control systems like Git, build tools, containerization (Docker), and cloud platforms such as AWS or Azure is often required. Excellent problem-solving, teamwork, and communication skills help developers collaborate effectively and adapt to changing project requirements. These skills ensure the delivery of robust, scalable solutions and foster efficient development within dynamic technical teams.

How do Java Nodejs Developers typically collaborate with front-end teams in a full-stack development environment?

Java Nodejs Developers often work closely with front-end teams to ensure seamless integration between back-end services and user-facing applications. This collaboration usually involves regular meetings to discuss API requirements, troubleshoot integration issues, and align on project timelines. Developers may also participate in code reviews and joint debugging sessions to resolve cross-functional challenges quickly. Effective communication and a solid understanding of both server-side and client-side technologies are key to successful collaboration in these environments.

What is a Java Nodejs Developer?

A Java Nodejs Developer is a software engineer skilled in both Java and Node.js technologies. They are responsible for designing, developing, and maintaining applications using Java, a robust object-oriented language, and Node.js, a runtime environment for executing JavaScript on the server side. These developers often work on building scalable backend systems, integrating APIs, and ensuring smooth communication between different parts of a software solution. Their versatility allows them to handle a range of tasks across both Java-based and JavaScript-based platforms.
What job categories do people searching Java Nodejs Developer jobs in Illinois look for? The top searched job categories for Java Nodejs Developer jobs in Illinois are:
What cities in Illinois are hiring for Java Nodejs Developer jobs? Cities in Illinois with the most Java Nodejs Developer job openings:

Staff SRE - Observability

Focused

Chicago, IL

$58.75 - $78/hr

Full-time

Posted 2 days ago


Job description

Who we are:

At Focused, we move quickly to deliver quality software that achieves client outcomes and meets their customer's needs. We strategically partner with our clients to leverage our expertise in design and software, while our clients bring their own domain expertise. We work with a variety of clients from different industries, collaborating as we get new products to market, modernizing legacy systems, or helping teams learn the skills they need to be successful.

Our values:

  • Listen first • We are experts in product practices but life long learners in the domain of our customers. We research, collaborate, and understand.
  • Learn why • We ask questions and talk to users to understand problem spaces, objectives, and goals, which allows us to deeply invest and drive towards the outcomes of our clients.
  • Love your craft • We love diving into a variety of domains and solving problems. We take pride in delivering value, in communicating progress, and guiding our clients to success.

We are seeking an experienced Staff Observability Consultant with deep expertise in OpenTelemetry and strong Platform Engineering capabilities to help organizations implement, optimize, and scale their observability infrastructure. This role requires a seasoned consultant who can design comprehensive telemetry strategies, implement distributed tracing solutions, establish robust monitoring practices, and interface closely with clients on the observability journey.

Key Responsibilities:

OpenTelemetry & Observability

  • Design and implement end-to-end OpenTelemetry solutions across diverse technology stacks
  • Configure and deploy OpenTelemetry Collectors for efficient data collection, processing, sampling, and routing
  • Establish telemetry pipelines for metrics, traces, and logs across microservices architectures
  • Optimize collector configurations for performance, reliability, and cost-effectiveness

Platform Engineering & Infrastructure

  • Augment existing infrastructure with with integrated observability solutions
  • Implement Infrastructure as Code (IaC) solutions using Terraform, Pulumi, CloudFormation, etc.
  • Architect and manage Kubernetes clusters with comprehensive monitoring and logging
  • Build CI/CD pipelines with embedded observability and automated testing

Site Reliability Engineering (SRE)

  • Establish and maintain Service Level Indicators (SLIs), Objectives (SLOs), and Agreements (SLAs)
  • Implement error budgets, toil reduction strategies, and capacity planning
  • Support incident response procedures and post-mortem processes

Cloud & DevOps Engineering

  • Deploy and manage observability infrastructure across AWS, GCP, and Azure
  • Establish security, compliance, and governance frameworks for telemetry data
  • Experience automating Agent Evaluations in CI/CD pipelines and observability backends.

Required Qualifications:

Core Observability & OpenTelemetry

  • 3-7 years of experience in observability, monitoring, and distributed systems
  • Deep hands-on experience with OpenTelemetry ecosystem, including SDKs, APIs, and specifications
  • Proficiency with OpenTelemetry Collector configuration, processors, exporters, and receivers
  • Strong understanding of telemetry data models, semantic conventions, and instrumentation best practices

Platform Engineering & DevOps

  • 5+ years of Platform Engineering or DevOps experience with focus on site reliability, observability, and incident response
  • Proficiency with Infrastructure as Code tools (Terraform, Pulumi, CloudFormation, CDK)
  • Strong experience with CI/CD platforms (GitHub Actions, GitLab CI, Jenkins, ArgoCD)

Cloud & Infrastructure

  • Hands-on experience with major cloud providers (AWS, GCP, Azure) and their observability services
  • Experience with container technologies (Docker, Podman) and container registries
  • Knowledge of networking, security, load balancing, and distributed systems concepts

Site Reliability Engineering

  • Experience implementing SRE practices including error budgets and toil metrics
  • Proficiency in incident management, on-call procedures, and post-mortem culture
  • Experience with capacity planning, performance optimization, and scalability design

Programming & Automation

  • Proficiency in multiple programming languages preferred (Go, Python, Java, Node.js, Rust)
  • Strong scripting and automation skills (Bash, Python, PowerShell)
  • Understanding of software engineering best practices and testing methodologies

Preferred Qualifications (Exceptional Candidates)

AI & Agentic Frameworks

  • Understanding of Large Language Models (LLMs) and their application in DevOps
  • Knowledge of vector databases, embeddings, and retrieval-augmented generation (RAG)
  • Experience with AI/ML model deployment and monitoring in production environments

Leadership & Communication

  • Strong technical writing and documentation skills
  • Ability to present complex technical concepts to diverse stakeholders
  • A passion for knowledge sharing

Key Competencies

  • Systems thinking and ability to design holistic observability solutions
  • Strong analytical and troubleshooting skills for complex distributed systems
  • Curiosity about emerging technologies, particularly AI applications in operations
  • Adaptability to rapidly evolving cloud-native and observability technologies
  • Collaborative mindset with focus on enabling developer productivity and system reliability

What Sets Exceptional Candidates Apart:

  • Experience with Honeycomb
  • Contributions to open-source observability or AI framework projects
  • Track record of implementing platform engineering solutions that significantly improved developer experience
  • Experience scaling observability infrastructure to handle high event volume

What to know before you apply:

  • This role will require being in the Chicago office three days per week and up to 20% travel within the United States.
  • Focused is unable to sponsor or take over sponsorship of the employment Visa process at this time.
  • The Chicago base salary range for this role is $160,000 - $200,000.