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Senior Full Stack Software Engineer

Apex Systems

Chicago, IL

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JOB DETAILS
SKILLS
AWS Lambda, Agile Programming Methodologies, Amazon CloudFront, Amazon Simple Storage Service (S3), Amazon Web Services (AWS), Application Programming Interface (API), Best Practices, CSS (Cascading Style Sheet), Career Counseling, Cloud Applications, Cloud Architecture, Cloud Computing, Communication Skills, Computer Science, Continuous Deployment/Delivery, Continuous Improvement, Continuous Integration, Customer Support/Service, Customer/Client Research, Data Modeling, DevOps, Dimensional Modeling, Docker, Genetics, Git, Go Programming Language (Golang), HTML (HyperText Markup Language), IBM DB2, Identify Issues, Infrastructure as a Service (IaaS), Internet Application, Internet Search, Java, JavaScript, Jenkins, Legal, Management of Information Systems/Technology (MIS), Mentoring, Node.js, Object Oriented Development, Object Oriented Programming (OOP) Languages, Presentation/Verbal Skills, Problem Solving Skills, Product Lifecycle, Product Management, Product Planning, Production Support, React.js, Refactoring, Relational Databases (RDBMS), Service-Oriented Architecture (fka Distributed Object Architecture), Simple Queue Service (SQS), Snowflake Schema, Software Administration, Software Development, Software Engineering, System Migration, Team Player, Technical Leadership, User Experience Design (UXD), User Interface Design, User Interface/Experience (UI/UX), Web Programming, Writing Skills
LOCATION
Chicago, IL
POSTED
Today

The client is seeking a Senior Full Stack Software Engineer to join the Global Digital and Technology organization, working on new, innovative systems for guests and internal stakeholders. This individual will work closely with backend services teams, frontend designers, and product management tocreate scalable web applications. As a Senior Full Stack Software Engineer, this individual will play a key role in team performance while remaining hands-on in development efforts. The team also collaborates with operations to build and support infrastructure for production applications, providingTier 3 support. They apply DevOps tools and practices to deliver software frequently and reliably through highly automated processes.

Position Responsibilities

  • Design, develop, and operate full stack cloud solutions in an AWS environment, using a serverless-first and managed-service-first approach (React, TypeScript, AWS Lambda, Node.js, Serverless Framework)
  • Write clean, maintainable, and efficient code following industry best practices
  • Develop UI interfaces using React (hooks, functional components, context) with strong understanding of component composition, state management, and render lifecycle
  • Define application infrastructure using Infrastructure-as-Code (IaC), primarily with Terraform
  • Provide hands-on technical leadership throughout the development lifecycle, with a focus on delivering high-quality solutions
  • Lead technical discussions to drive alignment and build consensus on solutions
  • Maintain DevOps processes and deployment pipelines to support application releases and enhancements
  • Support system migrations by refactoring legacy systems and modernizing applications using cloud-native architectures
  • Collaborate closely with product managers and UX designers to align engineering work with business goals and user needs
  • Participate in product planning and roadmap discussions, providing technical input
  • Take ownership of end-to-end feature development, from ideation through deployment and continuous improvement
  • Leverage analytics and user feedback to enhance product functionality and experience
  • Mentor team members on technical decision-making, code quality, and best practices
  • Foster a collaborative and inclusive team environment
  • Responsibilities may evolve as needed
Experience and Qualifications

Required Skills
  • 8+ years of experience developing and architecting full stack solutions, including use of build and deployment tools (e.g., Jenkins, Git, GitLab, CI/CD pipelines)
  • 8+ years of backend API and application development using object-oriented languages (Java, Go, TypeScript/JavaScript)
  • 8+ years of web development experience (HTML, CSS, React, Node.js, TypeScript/JavaScript)
  • Strong understanding of AWS serverless services (S3, CloudFront, API Gateway, Lambda, SQS, EventBridge)
  • Experience with cloud databases (DynamoDB, Snowflake)
  • Experience with containerization (Snowpark Container Services, Docker, AWS ECS/Fargate)
  • Experience with cloud build and deployment tools
  • Hands-on experience with Infrastructure-as-Code tools such as Serverless Framework, AWS CloudFormation, and Terraform
  • Solid understanding of cloud infrastructure and services in AWS
  • Knowledge of event-driven and service-oriented architectures
  • Experience working in Agile environments
  • Strong problem-solving and troubleshooting skills
  • Strong verbal and written communication skills
Preferred Skills
  • Experience with relational databases (Snowflake, DB2, Redshift) and dimensional data modeling
Education
  • Bachelor's degree in computer science, engineering, management information systems, or a related field
  • Equivalent experience will also be considered
Certifications
  • AWS certifications (Solutions Architect Associate, Developer, DevOps) preferred
  • Snowflake certification is a plus


EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

About the Company

A

Apex Systems

Apex Systems, a segment of ASGN Inc. (NYSE: ASGN), is a technology services business that delivers emerging technology solutions to bring our clients digital visions to life. Apex has presence in over 70 markets across North America, Europe, and India. Our consultants work with all types of companies throughout all industries, including more than 300 of the Fortune 500 companies. Are you an innovator with high standards who wants to help shape the world? We want you! Learn more about how to find your purpose with Apex, visit www.apexsystems.com.

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at employeeservices@apexsystems.com or 844-463-6178.

COMPANY SIZE
2,500 to 4,999 employees
INDUSTRY
Staffing/Employment Agencies
EMPLOYEE BENEFITS
401K, Life Insurance
FOUNDED
1995
WEBSITE
https://www.apexsystems.com

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