Senior Full-Stack MERN Developer (Contract / Hybrid)
Calqulate
Job Description
Job Description
Location: Chicago, IL (Loop / Downtown – Hybrid 3 Days On-Site)
Employment Type: 6-Month Contract (Potential for extension)
Industry: Financial Services / Commercial Insurance Technology
Experience Level: Mid-Senior (6–10 Years)
Job Function: Software Engineering / Full-Stack Development
Visa Sponsorship / Relocation: Not Available (Local Candidates Only)
About the RoleWe are seeking an experienced Senior Full-Stack MERN Developer for a 6-month hybrid contract engagement with a global enterprise insurance technology group in downtown Chicago.
In this role, you will design, develop, test, and deploy custom data analytics solutions and application modules. You will work across the full stack utilizing MongoDB, Express.js, React.js, Node.js, SQL, and AWS infrastructure, supporting complex data migrations and modern client-facing applications.
Key Responsibilities- Full-Stack Engineering: Independently design, develop, code, test, and debug web applications and technical modules using the MERN stack (MongoDB, Express, React, Node) and relational SQL databases.
- Cloud & Infrastructure Maintenance: Deploy, manage, and maintain application environments on AWS infrastructure (utilizing EC2, S3, Lambda, RDS, and related services).
- Data & Analytics Integration: Support custom data analytics solutions, complex SQL database queries, data migrations, and application integration.
- DevOps & Version Control: Manage source code repositories using Git (branching, merging, PR reviews) while following established deployment and testing workflows.
- Technical Mentorship & Support: Serve as a senior technical resource and mentor for junior developers; assist with escalated tier-3 technical troubleshooting and root-cause resolution.
- AI & Modern Workflow Adoption: Leverage modern AI-driven developer tools and automated practices to optimize coding efficiency and accelerate feature delivery.
- Experience: 6 to 10 years of professional full-stack web development experience with a heavy focus on the MERN stack (MongoDB, Express.js, React.js, Node.js).
- SQL & Database Mastery: Strong proficiency in SQL databases, including complex query writing, schema design, and data manipulation.
- Cloud Services: Hands-on experience deploying and managing applications on AWS cloud infrastructure.
- Version Control: Deep experience with Git version control and collaborative developer workflows.
- Engineering Best Practices: Proven expertise in software design patterns, unit testing, debugging, CI/CD, and documentation.
- Location & Work Model: Must reside locally in the Chicago metro area and be able to work 3 days/week on-site in downtown Chicago.
- Experience within the Insurance, Commercial Claims, or Risk Management domain.
- Hands-on experience with TypeScript and modern containerization technologies (Docker, Kubernetes).
- Experience handling enterprise data migrations and custom analytics engine builds.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Full-Stack MERN Developer (Contract / Hybrid) in Chicago, IL vacancy
- ...Description Job Description Job Title: Senior Full-Stack Developer – Risk Solutions Location: Chicago... ...Only Position Type: Min 6-Month Contract Experience Level: Mid-Senior (6–10... ...You will work heavily across the MERN stack (MongoDB, Express.js, React.js,...Contract workSeniorLocal areaRelocationVisa sponsorship
Jobsonboard
Chicago, IL1 day ago $135k - $155k
...OverviewJoin our dynamic, agile R&D team as an Senior Full-Stack Engineer, where you will serve as a... ...video extraction to defining service contracts for AI-generated metadata. While... ...Angular 17+ (specifically Signals) for developing highly performant, real-time user experiences...Contract workSeniorFull timeWork at office2 days per week$58 per hour
JOB MOBZ is seeking an experienced full-cycle recruiter supporting Salesforce's Sales and Distribution organization in Chicago. This is a six-month hybrid contract with a compensation of $58.00/hr. The ideal candidate will have 6 to 8 years of recruiting experience with...Contract workSenior- Akkodis is seeking a Senior Project Manager to lead Utility Transmission and Substation projects from initiation... ..., and a strong background in Utility Transmission or Substation programs. Hybrid work in Oakbrook Terrace, IL with a 12-month contract. #J-18808-Ljbffr AkkodisContract workSenior
- A leading consulting firm is seeking a Senior Business Analyst specialized in ServiceNow... ...enhance risk management processes. This contract role involves defining business requirements... ...facilitating workshops. The position is hybrid with a focus on innovation in risk management...Contract workSenior
$40 - $45 per hour
Lee Hecht Harrison Nederland B.V. is seeking a Senior Accountant (temporary) to join our client’s team in a hybrid role with four days on site in Chicago Ridge, IL. The position is contract to hire, with an hourly rate of $40-$45. You will lead month-end close, prepare...Contract workSeniorHourly payTemporary work- Mitchell Martin Inc. is seeking a Sr Scrum Master for a contract position in the Chicago area. The role requires leading IT delivery teams... ...and strong project management practices. The position is hybrid, with in-office presence three days a week in Chicago, IL. The...Contract workSeniorWork at office3 days per week
- Prairie Consulting Services in Chicago is seeking a Senior Program Manager to support a CTO Tech Resiliency program for a leading financial institution. This contract role offers a hybrid work model with 3 days on-site. You will bring order to complex, high-risk infrastructure...Contract workSenior
$150k - $200k
Storm2 is recruiting a Senior Software Engineer, AI focused (Full Stack, 5+ YoE - Typescript) for a well-funded fintech startup based in Chicago. The role... ...0 base with equity and comprehensive benefits, and a hybrid schedule with 3 days in the office. You will build an...SeniorWork at office$125k - $145k
A healthcare technology company in Chicago is seeking a Senior Software Engineer to design and maintain web applications using modern technologies... ..., particularly in fast-paced environments. The job includes a hybrid work model and offers a salary range of $125,000 to $145,000...Senior- ...leading financial information service provider is seeking a Senior Full Stack Engineer based in Chicago. The ideal candidate will play a vital... ...and expertise in microservices, this role offers a hybrid work environment and opportunities for continuous learning and...Senior
$48 - $62 per hour
...leading staffing agency is seeking a Full Stack Engineer for a hybrid position in Chicago, requiring attendance three times a week. This contract role offers a pay range of $48 - $62 per... ...React. Ideal for candidates with mid-senior level experience, this position comes...Contract workHourly pay- ...coordination. The position requires 4-6 years of systems administration experience and knowledge of Windows Server, VMware, scripting, and Microsoft Cloud tools. Hybrid work with 2 days WFH is offered, and a permanent contract is provided. #J-18808-Ljbffr AMS Staffing Inc.Contract workSeniorPermanent employmentWork from home
$114.1k - $167.35k
Morningstar DBRS seeks a Senior JavaScript Software Engineer in Chicago to develop and enhance applications and APIs. You will bring 5-7 years of experience in... ...Angular.js or Vue.js for single-page applications. This hybrid role promotes collaboration, requiring 4 days...Senior$80k - $120k
...the country. We are seeking a Senior Project Manager Solar Construction... ...on time, on budget, and in full compliance with regulatory... ...project management staff. This is a hybrid position . Candidate MUST LIVE... ...software. Finalize contract cost revisions in the project...Contract workSeniorFor contractorsWork experience placementFor subcontractorWork at officeLocal areaImmediate startRelocation$99.6k - $174k
Senior Full Stack Engineer, AI Platform & AgentsBuild the GenAI platform that powers critical decisions... ...a global scale.-Location:: US/Canada, Hybrid or Remote-Work Hours: Must have 9-11 AM... ..., validation, and deployment.Build developer tooling, CI/CD, and observability for...SeniorFull timeWork at officeRemote work2 days per week- Senior Software Engineer - Product (Hybrid) Join to apply for the Senior Software Engineer... ...years of experience in a full stack development role Proficiency... ..., and hiring and developing the best. Through our values... ...Senior Manager Contract Senior Sailpoint Developer...Contract workSeniorFull timeSummer workWork at officeLocal areaRemote workMonday to Friday
$208.8k - $238.3k
...is seeking a talented Senior Director to lead our Global... ...our global partners; develop and implement a... ...leadership in support of contract negotiations and renewals... ...Location This role is hybrid, where you will be... ...Minimum and maximum full‑time annual salaries for...Contract workSeniorFull timeTemporary workPart timeWork at officeLocal area3 days per weekCapital One
Chicago, IL1 day ago$152.64k - $187k
## Operational Support Senior Manager- HybridApplyremote... ...Chicago, ILtime type: Full timeposted on: Posted... ...operations of the Fusebox contract pricing management.... ...of Fusebox accounts.• Develop and implement strategic... ...provide ongoing support.• Hybrid work schedule....Contract workSeniorWork from home- A tech company in Chicago is seeking a highly skilled Full Stack MERN Developer. The ideal candidate will design, develop, and maintain scalable web applications using the MERN stack while collaborating with cross-functional teams. This role requires 3+ years of experience...Full time
- BCG Attorney Search seeks an experienced mid-to-senior level attorney to join their Professional Consulting Practice Group in Chicago... ...insurers across the U.S. and Canada. Responsibilities include contract reviews, seminars, evaluating defense strategies and managing high...Contract workSeniorRemote job
$126.16k - $189.24k
Senior Staff Software Engineer - IE07HE We’re determined to make a difference and are... ...shape the future. Senior IT Engineer - Full Stack Developer Join the Digital Enablement Value... ...related technologies. This role will have a Hybrid work schedule, with the expectation of...SeniorTemporary workWork at office3 days per week- An established industry player is seeking a Senior Accountant to join their dynamic team. This role involves preparing and analyzing financial statements, supporting annual audits, and maintaining the general ledger. The ideal candidate will thrive in a fast-paced environment...Contract workSenior
$90k
...Duties and Responsibilities: - Develop and configure complex ente Full-time Our client is seeking a React Developer on a contract basis to support the... ...hourly Full-time Job Title: Senior Developer / Tech Lead... ...Houston, TX or Chicago, IL (Hybrid) Duration: Temp - 5 months...Contract workHourly payPermanent employmentFull timeTemporary workRemote workUniversity of Chicago
Chicago, IL4 days ago- ...Sr. Full Stack Java DeveloperWork Location & Reporting Address: Chicago, IL 60604 Contract duration: 12+ MonthsInterview Process: No, VirtualJob Details: Minimum 10+ years' experience will be required. Develop scalable web applications using Java, Spring Boot, ReactJS,...Contract workSenior
Diverse Lynx
Chicago, IL3 days ago - Job Summary We are looking for a highly skilled Full Stack MERN Developer who can work independently with minimal supervision. The ideal candidate is self-motivated, detail-oriented, and capable of taking full ownership of projects — from planning and architecture to deployment...Full time
- ...Paralegal to support its in-house legal team in Chicago, IL. You'll manage various legal processes including litigation support and contract management. Ideally, you should have over 7 years of paralegal experience in financial services and be proactive in managing legal...Contract workSenior
$116.2k - $193.6k
...goals, clinical guardrails, quality expectations, and regulatory or contract limits.Coordinate clinical role assessments by gathering data on... ...and local ordinances.Job SummaryJob number: 26008044Date posted : 2026-07-07Profession: Medical & PharmacyEmployment type: Full timeContract workSeniorFull timeLocal areaWork from home- DescriptionThe Senior / Lead Estimator will be responsible... .... We are seeking a hybrid estimator with... ...will be responsible for developing and pricing conceptual... ...effort.Develop strategy on contract partnering agreements.Prepare... ...: ExperiencedSchedule: Full-timeTravel: Yes, 10 %...Contract workSeniorFor subcontractorWork at office
$135k - $155k
.... Motorola Solutions designs, develops, and manufactures advanced AI,... ...security systems. We are seeking a Senior DevOps/Infrastructure Engineer... ...to specific U.S. Government Contract Mandates and the necessity of... ...so we can assist you.SummaryLocation: Chicago, ILType: Full timeContract workSeniorFull timeWork at officeRemote work2 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full-Stack MERN Developer (Contract / Hybrid). Be the first to apply!
Related searches
- full stack engineer Chicago, IL
- senior java full-stack developer Chicago, IL
- full stack java developer Chicago, IL
- java full stack angular developer Chicago, IL
- senior full stack web developer Chicago, IL
- junior full-stack web developer Chicago, IL
- full time engineer Chicago, IL
- remote .net full stack web developer Chicago, IL
- mid level full stack developer Chicago, IL
- senior full stack developer Chicago, IL