Entry Level Backend Developer Jobs in Alton, IL

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Sr Java Backend Developer

Microgreen Technologies LLC

St. Louis, Missouri, USA

Full-time

Title: Sr Java Backend Developer Location: St. Louis, MO (Hybrid) Contract: Full time Requirement: Strong Java developer with very good understanding of micro services.Grasp of software engineering skills in modular design, data structures, algorithms.Deep knowledge and hands on experience with modern applications like spring boot, Angular.Experience building and operating critical production systems.Solid understanding of modern API design and Restful principles.Fluent with git (preferred) or

Sr. Java Backend Developer (Full-time Only)

Radiansys, Inc.

O'Fallon, Missouri, USA

Full-time

Title: Sr. Java Backend Developer Location: O'Fallon, MO (On-site) Full-time/Direct Hire Only Job Details: 10+ years of experience in software development. Key Skills and Experience: Strong hands-on experience in Java(J2ee) Strong in web services(microservices), Rest APIs, Oracle DB knowledge, Cloud native(preferably AWS or Azure) Ability to drive end-to-end development, performance code reviews, build test strategy, coordinate with cross-functional teams, and support operational issues Expert

Jr Backend Engineer (Remote)

Strategic Staffing Solutions

Remote or Virginia, USA

Contract

Jr Backend Engineer Location: McLean, VA OR Remote Duration: ~6 months Pay rate: Negotiable Beware of scams. S3 never asks for money during its onboarding process. Position Overview: We are seeking a motivated and enthusiastic Junior Backend Engineer to join our growing engineering team. In this role, you will work closely with senior engineers to design, develop, and maintain backend services and APIs. This is an excellent opportunity for someone looking to grow their technical skills and co

Associate Developer Internship - Summer 2025 - Hybrid

Swank Motion Pictures

St. Louis, Missouri, USA

Full-time

Job DescriptionJob Description**Students must live in the greater St. Louis area be qualified for this internship** Swank Motion Pictures is looking for an Associate Developer Intern to assist a growing team to work on innovative and leading edge solutions. We are looking for someone to join an existing, motivated and productive development team in delivering enterprise-level enterprise solutions. Responsibilities Developer Interns at Swank are integrated into existing product development teams.

Jr. Full Stack Software Developer - TS/SCI or higher

Leidos

St. Louis, Missouri, USA

Full-time

The Leidos Spatial Solutions team has an opening for an entry level Full Stack Software Developer to modify existing GOTS code and integrate open source software solutions for display and analysis within Aeronautical Production Systems. The applicant for this position will have familiarity across several code languages and be able to complete most aspects of a Front End or Back End task. This position requires an active TS/SCI Clearance with the ability and willingness to obtain and maintain a P

Java Backend Developer With Healthcare Domain

Talent Group

Remote

Full-time

We are seeking a Backend Developer with over 11+ years of IT experience, specializing in the Healthcare domain. And it is a Full time Position. The candidate should have expertise in Spring Boot, AWS, and Kafka. Key Responsibilities: Develop and maintain backend systems using Java and Spring Boot.Collaborate on cloud-based solutions leveraging AWS services.Implement and manage real-time data streaming with Kafka.Ensure performance optimization and application security. Requirements: Strong exper

Backend Developer

Peritus Inc.

Remote

Contract

Looking for a Backend Developer

Back-End Developer (Python, AWS and Serverless)

Intelix Systems

Remote

Contract

Job Title: Backend Developer (Python, AWS, Serverless) Location: Remote (but Candidate will have to go onsite Dallas, TX one week per quarter as client request. Travel expenses will be reimbursed) Job Description: We are seeking a highly skilled and motivated Backend Developer with strong expertise in Python, backend development, AWS, and Serverless architectures to join our dynamic team. The ideal candidate will play a key role in building scalable, reliable, and efficient backend systems that

Core Ruby Backend Developer

Zortech Solutions

Remote or Almont, Colorado, USA

Full-time

Job DescriptionJob DescriptionRole: Core Ruby Backend Developer Location: Canada/Remote Duration: 12+ Months Job Description: Key Responsibilities: Client is seeking a Senior Software Engineer to build solutions to enhance availability, performance, and stability of services as well as automating away repetitive work. In this role, you will: Core Development: Build and maintain backend systems using Ruby (Ruby on Rails) and Java, with focus on performance and scalability Implement secure data s

Ruby Backend Developer-Remote

Zortech Solutions

Remote or Almont, Colorado, USA

Full-time

Job DescriptionJob DescriptionRole: Ruby Backend Developer Location: Remote/Canada Duration: 6 Months Job Description: Core Development: Build and maintain backend systems using Ruby (Ruby on Rails) and Java, with focus on performance and scalabilityImplement secure data solutions across MySQL, PostgreSQL, or MongoDB databasesEnsure system integrity through proper authentication mechanismsInfrastructure Management: Handle day-to-day AWS platform operations using modern observability toolsRespon

Backend Java Developer

VersaFile

Remote or Vancouver, British Columbia, Canada

Full-time

Job DescriptionJob DescriptionSalary: $110,000 - $125,000 Backend Java Developer VersaFileInc. is a Vancouver-basedsoftwarecompanyhelping large enterprise organizations running SAP to modernize how they integrate and automate content and content-based processes across theirbusiness.Our purpose is to generate outcomes that make a difference by making our solutions easy, highlyfunctionaland quick to value. Position Overview: VersaFile is seeking a skilled Backend Java Developer who has experienc

Backend Developer - Ruby on Rails

GovCIO

Remote

Full-time

Overview GovCIO is currently hiring a Backend Developer (Ruby on Rails) to manage VA.gov sustainment and enhancement work on VRE PSES. This position is fully remote and available to candidates within the Continental United States (CONUS). Responsibilities Manages backend development for legacy modernization, sustainment, and enhancement for VA.gov. Assists with development planning of system and development deployment as well as responsible for meeting software compliance standards. Prepares

Back-end Developer (Remote, Pakistan)

Mohr Partners

Remote or Dallas, Texas, USA

Full-time

Job DescriptionJob DescriptionDescription:Mohr Partners, Inc. is looking for a qualified individual to join our team as a Back-end Developer. The ideal candidate should be prepared to work in a fast-paced, collaborative environment in Corporate Real Estate. The right individual for this position will have demonstratable knowledge and thorough experience with coding languages, Object-Oriented Programming, Imperative Programming, Database Architecture, and collaborating with team members to suppor

Back-end Developer (Remote, India)

Mohr Partners

Remote or Dallas, Texas, USA

Full-time

Job DescriptionJob DescriptionDescription: Mohr Partners, Inc. is looking for a qualified individual to join our team as a Back-end Developer. The ideal candidate should be prepared to work in a fast-paced, collaborative environment in Corporate Real Estate. The right individual for this position will have demonstratable knowledge and thorough experience with coding languages, Object-Oriented Programming, Imperative Programming, Database Architecture, and collaborating with team members to suppo

Backend Developer - San Juan, Puerto Rico

Medido Health

Remote or San Juan, San Juan, Puerto Rico

Full-time

Job DescriptionJob DescriptionSalary: Who Are We: At Medido Health, innovation isn't just about developing another app; we're in the business of saving lives! We combine two of the fastest-growing industries: Technology and Healthcare, improving the lives of hundreds of thousands every day. Our leading-edge technology ensures secure and reliable healthcare data is available whenever and wherever needed, safely and reliably. If you are ready for the challenge, join us and start making a differen

Salesforce Developer / Jr. Architect

Connexions Data Inc

Remote

Full-time

Position: Senior Salesforce Developer Start: Immediate Duration: 6 to 12 months Location: [Remote] Type: W2/ C2C or 1099 Role Overview Platform: Salesforce Communications Cloud Skills Needed: SFI - Comms Cloud Platform. Needs to be familiar with technical design and implementation-related details; will need to handle quick fixes or triage in high-pressure environments. Needs to be familiar with TMF open APIs, simple IAM concepts, data volume related aspects. We are seeking a highly skilled Sen

Senior Backend Developer

Playtron

Remote

Full-time

## About Us Playtron is a trailblazing video game operating system startup poised to disrupt the gaming industry. Our mission is to create the ultimate gaming software platform that can power any type of gaming hardware with the entire PC gaming ecosystem. We are looking for a Senior Backend Developer who is passionate about building scalable systems and enthusiastic about supporting the backend development of our innovative platform. ## Role The Senior Backend Developer is a vital member of our

Backend Software Developer

EOS Worldwide

Remote or Denver, Colorado, USA

Full-time

Job DescriptionJob DescriptionEOS: Real. Simple. Results. EOS , the Entrepreneurial Operating System, is a complete set of simple concepts and practical tools that have helped thousands of entrepreneurs get what they want from their businesses. Purely implementing EOS helps the people who own and run entrepreneurial companies run better businesses and lead their ideal lives. JOIN EOS WORLDWIDEWe are a growing organization of talented individuals who share the same core values, a common vision,

Node.js Back-End Developer

Targeted Talent

Remote or Almont, Colorado, USA

Full-time

Job DescriptionJob DescriptionWe are looking for an experienced Node.js Back-End Developer for our client. This is a permanent position that is completely remote! Our client is a fintech company based out of Vancouver. You Have: 1 - 3 + years of production experience working with Node.js, JavaScript / TypeScript and related frameworks (NestJS, Express) Experience working with Front-End JavaScript frameworks like React / Redux / BootstrapGood understanding of API design and RESTKnowledge of rela

Java Backend Developer - Fulltime

Xcelo Group Inc

Remote or Dallas, Texas, USA

Full-time, Part-time, Contract, Third Party

Java Backend Developer Fulltime Location: Dallas, TX (Remote) Duration: Long Term 5-10 Years Experience We're searching for a skilled Java Backend Developer to craft the server-side magic behind our web applications. You'll collaborate with front-end developers and product managers to bring innovative ideas to life. Responsibilities: Design, develop, and implement robust and scalable back-end features using Java. Build secure and efficient RESTful APIs to power our applications. Work closely