Mentor junior and mid-level developers while identifying opportunities for team development and ... Strong backend development expertise. * RESTful web services and API development. * AWS services ...
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Mentor junior and mid-level developers while identifying opportunities for team development and ... Strong backend development expertise. * RESTful web services and API development. * AWS services ...
Quick apply
Mentor junior and mid-level developers while identifying opportunities for team development and ... Strong backend development expertise. * RESTful web services and API development. * AWS services ...
Chicago, IL · On-site
$52 - $67.50/hr
We are looking for an experienced Backend Developer with strong expertise in API development using ... Experience with enterprise-level application development * Ex-NT candidates
Chicago, IL · On-site
$52 - $67.50/hr
We are looking for an experienced Backend Developer with strong expertise in API development using ... Experience with enterprise-level application development * Ex-NT candidates
Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...
Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...
Chicago, IL · On-site
$52 - $67.50/hr
... Level 4 (Java Backend Developer) Location: Chicago, IL OR Peoria, IL (Hybrid _ 2-3 days onsite) Duration: 12 months potential to be extended Travel: Minimal (if any, within Chicago/Peoria) Role ...
Chicago, IL · On-site
$52 - $67.50/hr
... Level 4 (Java Backend Developer) Location: Chicago, IL OR Peoria, IL (Hybrid _ 2-3 days onsite) Duration: 12 months potential to be extended Travel: Minimal (if any, within Chicago/Peoria) Role ...
Chicago, IL · Hybrid
$52 - $67.50/hr
... Level 4 (Java Backend Developer) Location: Chicago, IL OR Peoria, IL (Hybrid _ 2-3 days onsite) Duration: 12 months potential to be extended Travel: Minimal (if any, within Chicago\/Peoria) Role ...
Chicago, IL · Hybrid
$52 - $67.50/hr
... Level 4 (Java Backend Developer) Location: Chicago, IL OR Peoria, IL (Hybrid _ 2-3 days onsite) Duration: 12 months potential to be extended Travel: Minimal (if any, within Chicago\/Peoria) Role ...
Chicago, IL · On-site
$19.75 - $26/hr
... closely with backend engineers to integrate APIs and deliver seamless user experiences. This ... level applications. Key responsibilities include: * Build, enhance, and optimize frontend ...
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Chicago, IL · On-site
$19.75 - $26/hr
... closely with backend engineers to integrate APIs and deliver seamless user experiences. This ... level applications. Key responsibilities include: * Build, enhance, and optimize frontend ...
Deerfield, IL · On-site
$56.75 - $74.50/hr
Perform and implement daily operational activities impacting mid-level components of the technology ... Evaluate compatibility of applications with existing APIs, backend systems, and mobile device ...
Deerfield, IL · On-site
$56.75 - $74.50/hr
Perform and implement daily operational activities impacting mid-level components of the technology ... Evaluate compatibility of applications with existing APIs, backend systems, and mobile device ...
Chicago, IL · On-site
$19.75 - $26/hr
... closely with backend engineers to integrate APIs and deliver seamless user experiences. This ... level applications. Key responsibilities include: * Build, enhance, and optimize frontend ...
Chicago, IL · On-site
$19.75 - $26/hr
... closely with backend engineers to integrate APIs and deliver seamless user experiences. This ... level applications. Key responsibilities include: * Build, enhance, and optimize frontend ...
They are seeking a talented and versatile Mid-Level Full Stack Developer to develop and maintain ... for backend development. • For Python, experience with popular frameworks is required, such as:
They are seeking a talented and versatile Mid-Level Full Stack Developer to develop and maintain ... for backend development. • For Python, experience with popular frameworks is required, such as:
Riverwoods, IL · On-site
This is a hands-on, senior-level backend role focusing on secure, resilient, and high-performance systems in a regulated financial environment. Thrive in a mature engineering culture that values ...
Riverwoods, IL · On-site
This is a hands-on, senior-level backend role focusing on secure, resilient, and high-performance systems in a regulated financial environment. Thrive in a mature engineering culture that values ...
Familiarity with project management and collaboration tools such as Azure DevOps (ADO), Microsoft ... Familiarity with executive reporting and portfolio-level project coordination
Familiarity with project management and collaboration tools such as Azure DevOps (ADO), Microsoft ... Familiarity with executive reporting and portfolio-level project coordination
Bitovi is looking for a Backend / Platform Developer Consultant to join us as we transform ... WHO YOU ARE You're experienced building and running applications at the enterprise level, and you ...
Bitovi is looking for a Backend / Platform Developer Consultant to join us as we transform ... WHO YOU ARE You're experienced building and running applications at the enterprise level, and you ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
Bitovi is looking for a Backend / Platform Developer Consultant to join us as we transform ... WHO YOU ARE You're experienced building and running applications at the enterprise level, and you ...
Quick apply
Bitovi is looking for a Backend / Platform Developer Consultant to join us as we transform ... WHO YOU ARE You're experienced building and running applications at the enterprise level, and you ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
La Grange Park, IL · On-site
$85K - $110K/yr
Controls Engineer (Mid-level) Typical Compensation Range: $85,000 - $110,000, commensurate with experience and qualifications Experience: Typical 2-8 years * Independently executes design ...
Glenview, IL · On-site
We are looking for a motivated Junior-to-Mid-Level PHP developer to help us build and scale AI systems within our backend ecosystem. In this role, you will work in our in-house PHP agent framework to ...
Glenview, IL · On-site
We are looking for a motivated Junior-to-Mid-Level PHP developer to help us build and scale AI systems within our backend ecosystem. In this role, you will work in our in-house PHP agent framework to ...
Chicago, IL · On-site
$119K - $140K/yr
Electrical Engineer, PE - Mid-Level Location: Chicago, IL or Washington D.C. (Chantilly, VA) Exp Federal delivers full-service Architecture & Engineering services, construction, and facility ...
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Chicago, IL · On-site
$119K - $140K/yr
Electrical Engineer, PE - Mid-Level Location: Chicago, IL or Washington D.C. (Chantilly, VA) Exp Federal delivers full-service Architecture & Engineering services, construction, and facility ...
This role requires a high level of ownership and autonomy. You will be responsible for making key ... Strong communication skills and a collaborative mindset Nice to Have * DevOps experience, including ...
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This role requires a high level of ownership and autonomy. You will be responsible for making key ... Strong communication skills and a collaborative mindset Nice to Have * DevOps experience, including ...
This role requires a high level of ownership and autonomy. You will be responsible for making key ... Strong communication skills and a collaborative mindset Nice to Have * DevOps experience, including ...
This role requires a high level of ownership and autonomy. You will be responsible for making key ... Strong communication skills and a collaborative mindset Nice to Have * DevOps experience, including ...
$12.39 - $19.17
0% of jobs
$19.17 - $25.95
1% of jobs
$25.95 - $32.74
5% of jobs
$32.74 - $39.52
6% of jobs
$39.52 - $46.30
7% of jobs
$48.33 is the 25th percentile. Wages below this are outliers.
$46.30 - $53.08
16% of jobs
The median wage is $58.96 / hr.
$53.08 - $59.86
16% of jobs
$59.86 - $66.64
18% of jobs
$68.99 is the 75th percentile. Wages above this are outliers.
$66.64 - $73.42
14% of jobs
$73.42 - $80.21
11% of jobs
$80.21 - $86.99
5% of jobs
$12
$59
$86
| Aspect | Mid Level Backend Developer | Junior Backend Developer |
|---|---|---|
| Experience | 2-4 years | 0-2 years |
| Skills | Proficient in backend frameworks, databases, API development | Basic understanding of backend concepts, learning frameworks |
| Responsibilities | Developing features, troubleshooting, code reviews | Assisting in tasks, learning codebase, bug fixing |
| Work Environment | Collaborates with teams, independent problem-solving |
The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.
Contractor
Posted 6 days ago
Role: Technical Lead / Lead Java Backend Developer
Location: Chicago, Illinois
Work Model: Hybrid — currently two days per week onsite
Let’s create our future together at The AES Group!
About The AES Group:
The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that have the greatest positive impact on society. AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower their employees, and transform their business operations with the power of cloud, data, AI, engineering, and other emerging technologies.
Why Join This Opportunity?
Position Overview
The AES Group INC. is seeking a Technical Lead / Lead Java Backend Developer for one of our clients in the industrial technology sector.
This position requires a highly experienced, hands-on Java engineering leader who can contribute directly to backend development while leading a team of at least eight engineers. The successful candidate will be responsible for application design, technical delivery, engineering standards, team mentorship, KPI ownership, and the development of scalable, secure, and reliable cloud-based solutions.
This is not a frontend, UI, or primarily architecture-focused position. Candidates must demonstrate recent hands-on Java backend development experience, strong AWS knowledge, and measurable technical leadership responsibilities.
Key Responsibilities
Required Qualifications
Education
Experience
Technical Skills
Ready to make an impact? Apply now and join us on our journey!