Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Developer

Grimco

Job Description

Job Description

Company Description

Do you want to work for a company where the people are the purpose? At Grimco, our developers operate across a real, multi-platform technology stack — and their work ships. As a Senior Developer, you’ll contribute to a platform that has powered the business for decades and continues to modernize. You’ll bring strong development fundamentals, an ability to learn and work across languages and environments, and the judgment to navigate complex systems confidently.

Job Description

Key Responsibilities & Duties

  • Build and maintain business application features across a multi-platform technology stack.
  • Design and implement integrations between internal systems, external partners, APIs, and data pipelines.
  • Apply modern development practices — clean code, modular design, SQL-first data access, and structured testing — regardless of the language or environment.
  • Serve as a technical resource on complex projects, contributing to design decisions and seeing work through to delivery.
  • Identify and follow through on opportunities to modernize and improve existing systems.
  • Collaborate with IT, project management, QA, and business stakeholders to deliver well-scoped, well-documented solutions.
  • Learn, maintain, and expand RPG applications as part of a broader development role.

     

    Work Authorization: Candidates must be authorized to work in the 
    United States. Grimco does not provide employment visa 
    sponsorship (e.g., H-1B, O-1, TN) and will not do so in the future 
    for this position.

Qualifications

REQUIRED QUALIFICATIONS
•    5+ years of professional software development experience.
•    Demonstrated ability to learn and work in unfamiliar languages, frameworks, or platforms.
•    Strong SQL and relational database skills — you write efficient queries and understand data modeling.
•    Experience building integrations between systems — APIs, file-based exchanges, ERP connectivity, or similar.
•    Comfortable working with legacy code you didn’t write — reading, understanding, and improving it with confidence.
•    Clear communication skills — you can explain technical decisions to non-technical stakeholders without losing the important detail.
•    Security awareness baked into how you work, not treated as an afterthought.

Preferred Qualifications

  • Background in distribution, warehousing, manufacturing, or order management systems.
  • Experience with ERP platforms — custom-built or mid-market.
  • Exposure to EDI or data interchange — X12 transaction sets, flat file automation, trading partner integrations.
  • Cloud integration experience — REST/JSON APIs, Azure, AWS, or similar.
  • Familiarity with IBM Power Systems or other enterprise backend platforms.
  • RPG or IBM i development experience, or a demonstrated interest in the platform.

Additional Information

Benefits

  • Full medical, dental, and vision benefits available. Premiums have remained unchanged for more than 16 years.
  • Paid Maternity/Paternity Leave.
  • Paid Holidays.
  • Paid Time Off Accrual (Paid Time Off payout available).
  • 401K with Profit Sharing, up to 6% of the employee’s total compensation earnings.
  • Employee Referral Benefits.
  • Volunteer Time Off.


Grimco is a national wholesale sign supply manufacturer and distributor with over 65 locations across North America and the United Kingdom. Founded over 150 years ago and still family-owned, we focus on delivering quality products and outstanding service to the sign industry. Our platform has powered the business for decades — and continues to evolve.

By completing this online application for employment, you certify that the information on this application is true and complete to the best of your knowledge. You understand that any misrepresentation or omission of fact in response to any inquiry made in this application may result in rejection of application or, if hired, dismissal whenever it is discovered. You authorize and release all parties from any liability or damage that may result from seeking, furnishing, or using such information. You understand and agree that, if hired, your employment is for no definite period and may, regardless of the date of payment of compensation, be terminated by Grimco, Inc. at any time, for any or no reason, with or without notice. You understand that no representation to the contrary is valid unless in writing, set a definite term of employment, and signed by the company's CEO. You further understand and agree that any job offer is contingent upon your passing, to the company's satisfaction, a drug and/or alcohol test, criminal background check and other possible screenings. You understand that this application is active for 90 days only, and if you do not hear from the company but still wish to be considered for employment after 90 days, you will need to fill out a new application.

Vacancy posted 22 days ago
Similar jobs that could be interesting for youBased on the Senior Developer in Sunset Hills, MO vacancy
  •  ...Do you want to work for a company where the people are the purpose? At Grimco, our developers operate across a real, multi-platform technology stack — and their work ships. As a Senior Developer, you’ll contribute to a platform that has powered the business for decades... 
    Senior
    H1b

    Grimco

    Sunset Hills, MO
    10 days ago
  •  ...both are under active investment, from modernizing legacy functionality to piloting AI and agentic features. We're looking for a senior developer to join the team that builds and maintains these platforms, works closely with our ERP and external partners on integrations,... 
    Senior
    Full time

    Grimco

    Sunset Hills, MO
    12 days ago
  •  ...Sr. Python Developer 6-Month Contract-to-Hire Ideally hybrid 3+ days in Fenton, MO *US Citizen or GC holder*...  ...utilization of AI tools is a big PLUS Job Summary The Senior Python Developer will be responsible for designing, developing,... 
    Senior
    Contract work
    For subcontractor

    3B Staffing LLC

    Fenton, MO
    1 day ago
  • $107.9k - $195.05k

     ...attention to the user experience will matter. \n \n Our Ideal Candidate \n \n We're looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions for the person using it. \n \n You naturally ask, "Can we make this... 
    Senior
    Contract work
    Local area
    Immediate start

    Leidos

    Winchester, MO
    5 days ago
  •  ...Job Description Company Description Do you want to work for a company where the people are the purpose? At Grimco, our developers aren’t just maintaining a system — they’re building and modernizing a platform that runs the daily operations of one of North America... 
    Suggested
    H1b

    Grimco

    Sunset Hills, MO
    10 days ago
  •  ...thrive in an environment where your work directly influences strategic decision-making? We're seeking a Business Intelligence Developer to join our growing IT Reporting Resources team. In this role, you'll design, develop, and optimize reporting solutions, data models... 
    Work at office

    Reinsurance Associate Inc.

    Fenton, MO
    5 days ago
  • $85.38k - $93.18k

    JOB SUMMARY Under general supervision, oversees and participates in operating and maintaining a wastewater treatment plant. Salary Range: $85,384.00 - $93,184.00 annually Essential Functions: Support 24/7 operations. Oversee the operation and...
    Senior
    Traineeship
    Remote work

    Metropolitan St. Louis Sewer District

    Glendale, MO
    1 day ago
  • $90k - $100k

     ...Growing Public Accounting firm seeking experienced Audit Senior to join their team in St. Louis! This Jobot Job is hosted by: Brittany Perry Are you a fit? Easy Apply now by clicking the "Apply" button and sending us your resume. Salary: $90,000 - $100,000 per... 
    Senior
    Local area
    Flexible hours

    Jobot

    Fenton, MO
    5 days ago
  • ArchKey Solutions in Fenton, MO, seeks a Senior Project Manager to lead the planning, execution, and financial performance of electrical construction projects. You will coordinate with clients and trade partners to ensure successful outcomes, safe delivery, and budget... 
    Senior

    ArchKey Solutions

    Fenton, MO
    5 days ago
  •  ...Conducting two rounds of user testing with reports and dashboards on what has failed and passed Managing a risk and issues list Developing a communications plan with daily, weekly, and monthly status meetings depending on the audience Tracking purchases (licenses,... 
    Senior

    Samprasoft

    Fenton, MO
    5 days ago
  •  ...is one of the world`s leading manufacturers of custom hydraulic presses and automation equipment. We are seeking a detail-oriented Senior Quality Inspector to join our team. The Senior Quality Inspector is responsible for ensuring that all products manufactured meet the... 
    Senior
    Full time
    Flexible hours
    Shift work

    Beckwood Press Company

    Fenton, MO
    2 days ago
  • $65k - $75k

     ...Job Details Job Location: Fenton, MO 63026Salary Range: $65,000.00 - $75,000.00 Salary/yearJob Title: Senior Construction Inspector Location: St Louis, MO DELIVERING SOLUTIONS IS WHAT WE DO. It’s our heritage and our future. Because we don’t just engineer. We build innovative... 
    Senior
    For contractors
    Local area

    Madrid CFTL

    Fenton, MO
    2 days ago
  • $100k - $200k

     ...Senior Electrical EngineerLocation: Fenton, MO Employment Type: Full-Time Industry Focus: Mechanical, Electrical, & Plumbing (MEP) Engineering...  ...systems for commercial and institutional building projects.Develop power distribution, lighting, and building electrical system... 
    Senior
    Permanent employment
    Full time
    For contractors

    Luxus

    Fenton, MO
    1 day ago
  •  ...resident information from off-going / on-coming personnel You must also: * Must successfully pass the Department of Health and Senior Services (DHSS) criminal background check. * Must be able to pass a pre-employment drug screen. * Must be able to provide... 
    Senior
    Full time
    Part time
    Relocation package
    Afternoon shift

    Saint Agnes Home

    Kirkwood, MO
    25 days ago
  •  ...innovative, reliable, and scalable technology solutions that empower our Maritz businesses to thrive in a digital world. This role as a Senior IT Manager supports that mission within Engagement Solutions and Maritz. The Senior IT Manager is responsible for the strategy,... 
    Senior
    Work experience placement
    Work at office
    3 days per week

    Maritz

    Fenton, MO
    5 days ago
  • $19.75 - $24.7 per hour

     ...Why Join Sunrise Senior Living At Sunrise Senior Living, we believe meaningful work starts with purpose. Our team members are passionate about making a positive difference in the lives of residents every day. The Reminiscence Supervisor provides hands-on leadership... 
    Senior
    Full time
    Work at office
    Shift work
    Weekend work
    Afternoon shift

    Sunrise Senior Living Mgmt Inc

    Des Peres, MO
    more than 2 months ago
  • $90k - $130k

    Jobot is looking for a Real Estate Analyst in Clayton, Missouri. The candidate should have over 5 years of commercial real estate experience, particularly as a paralegal. Responsibilities include managing various components of transactions while ensuring flexibility and...
    Senior

    Jobot

    Clayton, MO
    1 day ago
  •  ...Senior Project Manager - Electrical ConstructionLocation: Fenton, MO, United States Job Type: Full-Time Department: ElectricalAbout ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated facility service companies. We... 
    Senior
    Full time
    Temporary work
    Relocation
    Relocation package
    Flexible hours

    ArchKey Solutions

    Fenton, MO
    4 days ago
  • Job Description Job Description Would you like to be a part of a company that is employee owned? Consider joining a talented team of engineering professionals at Nooter/Eriksen Inc. We specialize in HRSG (Heat Recovery Steam Generator) design, construction and supply...
    Contract work
    Temporary work
    Worldwide
    Flexible hours

    Nooter/Eriksen

    Fenton, MO
    23 days ago
  •  ...and build strong technical foundations. You will work alongside senior engineers across codebases, cloud platforms, and engineering...  ...transactions, data retrieval, search, and persistence paradigms. Developing triage skills, with the ability to assist in root cause analysis... 
    Full time
    Internship
    Flexible hours

    Maritz

    Fenton, MO
    4 days ago
  • $99k - $225k

    AWS Full Stack EngineerThe Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast...  ...to production ready. This role is more than just coding. As a senior full stack developer at Booz Allen, you’ll use your passion to... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arnold, MO
    7 days ago
  •  ...preconstruction execution across our multifamily, hospitality, and senior living portfolio. This role is designed for a preconstruction...  ..., interpreting project documents, leading bid processes, and developing team capability, with a clear path toward broader leadership within... 
    Senior
    For contractors
    For subcontractor
    Work at office

    MBG

    Fenton, MO
    5 days ago
  •  ...Cedarhurst Senior Living in Des Peres, MO is seeking a Maintenance Director to lead maintenance and housekeeping operations, ensuring safety, cleanliness, and compliance across the community. You will supervise staff, manage preventative maintenance, and coordinate with... 
    Senior

    Cedarhurst Senior Living

    Des Peres, MO
    1 day ago
  •  ...Description Commercial Property Partner / Legal Director / Senior Associate - Shrewsbury | PermanentA fantastic opportunity has arisen...  ...for an ambitious Commercial Property lawyer to help shape and develop the local practice.You will have the support of a national Real... 
    Senior
    Permanent employment
    Work at office
    Local area

    eNL Legal Recruitment

    Shrewsbury, MO
    5 days ago
  • $25 per hour

     ...Opportunities After Proven Performance: Job Title Advances: Higher pay and greater responsibility opportunities such as Associate, Staff, Senior, or Lead Installer / Technician Instructor Role: Help train new team members and support field consistency Commission... 
    Senior
    Hourly pay
    Full time
    Contract work
    For contractors
    Monday to Friday
    Flexible hours
    Weekday work

    Reimagine Resources

    Fenton, MO
    1 day ago
  •  ...Senior Solutions Sales Specialist (Inside Sales) The Senior Solutions Sales Specialist (Inside Sales) is responsible for managing existing Ricoh accounts and identifying new business opportunities. This role focuses on customer retention, revenue growth, and expanding... 
    Senior
    Full time
    Work at office
    Remote work
    Worldwide
    Flexible hours

    Ricoh USA, Inc.

    Fenton, MO
    3 days ago
  • First Mid Bancshares, Inc. is hiring for a Trust Administration Lead in Clayton, Missouri. This role involves supervising trust administration staff and acting as the subject matter expert in fiduciary activities. The position requires a J.D. and at least 15 years of related...
    Senior

    First Mid Bancshares, Inc.

    Clayton, MO
    4 days ago
  • $90.3k - $189.6k

     ...span of control meet applicable STIG/SRG and organizational configuration baselines• Lead regular compliance evaluations and audits• Develop, oversee, maintain, and enforce configuration management processes, Standard Operational Procedures (SOPs), and other documentation... 
    Contract work
    Work experience placement
    Work at office
    Flexible hours
    Weekend work
    Afternoon shift

    CACI International

    Arnold, MO
    4 days ago
  • $80 - $100 per hour

    Electrical Engineer Opportunity In Fenton, MOWe're seeking a motivated Electrical Engineer with commercial structural design experience in Fenton, MO.Job DutiesDesign electrical power distribution, lighting, and building systems for commercial structuresCollaborate closely...
    Senior

    Selectek

    Fenton, MO
    9 hours ago
  • Washington University in St. Louis is seeking a medically skilled professional to lead the clinical operations of a multi-physician practice. The role includes direct patient care, exam room preparation, assisting with examinations, and coordinating patient flow while ensuring...
    Senior

    Washington University

    Creve Coeur, MO
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Developer. Be the first to apply!