Senior Software Engineer - New DC

Proactive Technical Limited; Chicago (IL); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Competitive salary and performance-related bonus

Comprehensive health, dental, and vision coverage

Retirement savings plan with employer contribution

Generous paid time off

Life insurance and disability coverage

Job summary

Proactive Technical Limited is seeking an experienced Senior Software Engineer to join its team in Chicago, Illinois. This full-stack role involves designing and developing robust applications that power crucial systems. Candidates should have expertise in Go, Java, JavaScript, and TypeScript, along with at least 5 years of software development experience. The position offers a competitive salary and excellent benefits, including health coverage and retirement plans. Applicants must be authorized to work in the U.S. and visa sponsorship is not available.

Qualifications

• 5+ years of professional software development experience.
• Experience building production-grade applications across the full stack.
• Strong problem-solving and communication skills.

Responsibilities

• Design, develop, and maintain backend services using Go and Java.
• Build modern, user-facing applications using JavaScript and TypeScript.
• Collaborate with engineers and stakeholders to implement technical solutions.

Skills

Go

Java

JavaScript

TypeScript

React

Angular

PostgreSQL

MySQL

Oracle

Git

Linux

CI/CD

Docker

Kubernetes

Education

Bachelor's degree in Computer Science, Engineering, or equivalent

Job description

About the Company

A rapidly expanding technology organisation operating at the forefront of industrial automation and intelligent systems. The business partners with major global enterprises to transform complex operational environments through scalable, high-performance software solutions. With a strong focus on innovation and real-world impact, significant investment is being made into next-generation platforms that optimise efficiency across large-scale operations.

The Opportunity

An experienced Senior Software Engineer is required to join a high-performing engineering team. This is a full-stack role, playing a key part in designing and building robust, scalable applications that power mission-critical systems. The position offers the chance to collaborate with cross-functional teams, contribute to architectural decisions, and shape the future of sophisticated automation software.

Location: Illinois

Travel: Approximately 25-30%

Key Responsibilities

• Design, develop, and maintain backend services using Go and Java.
• Build modern, user-facing applications using JavaScript, TypeScript, and leading web frameworks.
• Develop and optimise relational database structures, queries, and performance.
• Collaborate with engineers, project stakeholders, and delivery teams to define and implement technical solutions.
• Engage with client teams to support implementation, training, and evolving requirements.
• Produce clean, maintainable, and well-documented code aligned with best practices.
• Troubleshoot and enhance system performance, reliability, and scalability.
• Support deployment and testing of software both remotely and on-site.
• Contribute to code reviews, mentor junior engineers, and promote engineering excellence.
• Stay current with emerging technologies and recommend system improvements.
• Support ongoing operations, including occasional out-of-hours technical assistance.

Required Experience & Skills

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• 5+ years of professional software development experience.
• Strong proficiency in Go, Java, JavaScript, and TypeScript.
• Experience building production-grade applications across the full stack.
• Familiarity with modern frameworks such as React or Angular.
• Solid experience with relational databases (e.g., PostgreSQL, MySQL, Oracle), including optimisation and tuning.
• Working knowledge of Linux environments and networking fundamentals.
• Strong understanding of software design, data structures, and system architecture.
• Experience with Git and agile development practices.
• Excellent problem-solving and communication skills.
• Ability to work both independently and collaboratively in a fast-paced environment.

Desirable Skills

• Experience with cloud platforms (AWS, Azure, or Google Cloud).
• Exposure to automation systems, robotics, or industrial technologies.
• Knowledge of containerisation tools such as Docker and Kubernetes.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with NoSQL databases is advantageous.

What's on Offer

• Competitive salary and performance-related bonus
• Comprehensive health, dental, and vision coverage
• Retirement savings plan with employer contribution
• Generous paid time off
• Life insurance and disability coverage

Additional Information

Applicants must be authorised to work in the United States. Visa sponsorship is not available for this position.

Proactive Global is committed to equality in the workplace and is an equal opportunity employer. Proactive Global is acting as an Employment Business in relation to this vacancy.