1

Senior Slack Software Engineer Jobs in Missouri (NOW HIRING)

Software Engineer (Experienced, Senior)

Hazelwood, MO · On-site

$115K - $152K/yr

Software Engineer (Experienced, Senior) Company: The Boeing Company The Boeing Company is looking for Software Engineers (Experienced, Senior) for a Phantom Works Proprietary program located in ...

$114K - $151K/yr

Title and Summary Senior Software Engineer Overview Mastercard's Network & Digital Payments group creates valued experiences for consumers, and enables merchants and issuers to reach consumers in ...

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building modern, customer-facing applications and who also brings strength in cloud engineering and software ...

Software Engineer (Experienced, Senior)

Hazelwood, MO · On-site

$115K - $152K/yr

Software Engineer (Experienced, Senior) Company: The Boeing Company The Boeing Company is looking for Software Engineers (Experienced, Senior) for a Phantom Works Proprietary program located in ...

Senior, Software Engineer

Cassville, MO · On-site

$90K - $180K/yr

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

Senior Software Engineer

Saint Louis, MO

$119K - $157K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building modern, customer-facing applications and who also brings strength in cloud engineering and software ...

Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to get a deep understanding on the solution you would enhance / develop / support * Develop ...

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

We require Senior Software Engineers with a strong focus on AI-Native development. Proficiency in utilizing various Agentic coding tools to significantly amplify impact and accelerate implementations ...

Senior, Software Engineer

Cassville, MO · On-site

$90K - $180K/yr

Role Summary The (USA) Senior Software Engineer plays a key technical leadership role in designing, developing, and evolving scalable, resilient software solutions that support critical business ...

Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

Role Summary The (USA) Senior Software Engineer plays a key technical leadership role in designing, developing, and evolving scalable, resilient software solutions that support critical business ...

Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

Role Summary The (USA) Senior Software Engineer plays a key technical leadership role in designing, developing, and evolving scalable, resilient software solutions that support critical business ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy ...

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy ...

Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

We are seeking a Senior Software Engineer who is passionate about implementing and managing Enterprise Resource Planning (ERP) technologies to join our team. As a Walmart Software Engineer, you'll ...

$94K - $124K/yr

As a Senior Software Engineer (AI CI/CD), you will help build secure, scalable developer tools and cloud-native solutions at the intersection of artificial intelligence, software delivery, and modern ...

Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer on Walmart's US Omni Tech team, you will lead the delivery of high‑quality software and ML‑enabled features by owning design, development, testing, and CI/CD ...

Sr Software Engineer

Lake Saint Louis, MO · On-site

$116K - $153K/yr

Job Title: Sr. Software Developer Location: St. Louis, MO Relevant Experience Needed: 8+ years Contract Duration: 12+ months Experience Summary: * Strong Experience in Core Java , Spring and Web ...

Showing results 41-60

Senior Slack Software Engineer information

What does a Senior Slack Software Engineer do?

A Senior Slack Software Engineer is responsible for designing, developing, and maintaining complex software solutions within the Slack platform. They collaborate with cross-functional teams to deliver high-quality features, optimize system performance, and ensure the scalability of Slack's infrastructure. In addition to hands-on coding, they often mentor junior engineers, contribute to architectural decisions, and help set technical direction for projects. Their work ensures Slack remains reliable, secure, and user-friendly for millions of users.

What is the difference between Senior Slack Software Engineer vs Slack Software Engineer?

AspectSenior Slack Software EngineerSlack Software Engineer
Required Experience5+ years in software development, leadership experience1-3 years, entry to mid-level
ResponsibilitiesDesigning complex features, mentoring, leading projectsDeveloping features, fixing bugs, collaborating with teams
Work EnvironmentFast-paced, collaborative, cross-functional teamsTeam-oriented, Agile environment
CertificationsOptional, but relevant certifications preferredNot typically required

The main difference between a Senior Slack Software Engineer and a Slack Software Engineer lies in experience, responsibilities, and leadership roles. Senior engineers typically lead projects and mentor others, while Slack Software Engineers focus on developing and maintaining features. Both roles work in collaborative, fast-paced environments within the tech industry.

How does a Senior Slack Software Engineer typically collaborate with cross-functional teams during feature development?

As a Senior Slack Software Engineer, you will frequently collaborate with product managers, designers, and quality assurance teams throughout the product development lifecycle. This collaboration often includes participating in planning meetings, providing technical input during design discussions, and ensuring alignment on feature requirements and timelines. You’ll also mentor junior engineers and facilitate code reviews to maintain high-quality standards. Strong communication skills and a proactive approach are essential, as you’ll often bridge the gap between technical implementation and user-facing features.

What are the key skills and qualifications needed to thrive as a Senior Slack Software Engineer, and why are they important?

To thrive as a Senior Slack Software Engineer, you need advanced programming skills (such as Java, Python, or JavaScript), a deep understanding of software architecture, and experience with scalable, distributed systems, typically supported by a bachelor’s or master’s degree in computer science or a related field. Expertise in Slack’s API, cloud platforms (like AWS or GCP), CI/CD pipelines, and version control systems (such as Git) is commonly required. Strong problem-solving abilities, leadership, and effective communication help you collaborate across teams and mentor junior engineers. These skills ensure the development of reliable, innovative solutions that enhance Slack's platform while supporting team growth and efficient project delivery.
What are the most commonly searched types of Slack Software Engineer jobs in Missouri? The most popular types of Slack Software Engineer jobs in Missouri are:
What are popular job titles related to Senior Slack Software Engineer jobs in Missouri? For Senior Slack Software Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Slack Software Engineer jobs in Missouri look for? The top searched job categories for Senior Slack Software Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Slack Software Engineer jobs? Cities in Missouri with the most Senior Slack Software Engineer job openings:

Software Engineer (Experienced, Senior)

Boeing

Hazelwood, MO • On-site

$115K - $152K/yr

Full-time

Medical, Life, Retirement

Re-posted 21 days ago


Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 612 frontline employees who took The Breakroom Quiz

33rd of 536 rated manufacturers


Job description

Software Engineer (Experienced, Senior)
Company:
The Boeing Company
The Boeing Company is looking for Software Engineers (Experienced, Senior) for a Phantom Works Proprietary program located in Berkeley, MO. This position will focus on developing Vehicle Management System (VMS) software to support the Boeing Defense, Space & Security (BDS) business organization. The Vehicle Management System provides flight and subsystem control for the platform.
Join Phantom Works at The Boeing Company in Berkeley, MO to design and deliver the Vehicle Management System (VMS) that provides flight and subsystem control for advanced defense platforms. If you enjoy solving hard real-time embedded problems, working with multi-discipline teams, and seeing your code run on flight hardware, this is an opportunity to make high-impact contributions in a mission-driven environment.
About the team
  • Phantom Works delivers advanced, high-value capabilities for Boeing Defense, Space & Security (BDS).
  • We work in a collaborative, casual but professional environment where engineers take pride in integrating, testing, and delivering novel solutions.
  • Long-term career paths include technical leadership and management - we value curiosity, tenacity, and creative problem solving.

Why you'll love this role
  • Build flight-critical software that directly affects aircraft safety and performance.
  • Own designs end-to-end: architecture, implementation, verification, and integration.
  • Work alongside systems, hardware, and test engineers on a cutting-edge proprietary program.
  • Mentor teammates and shape software processes, tools, and metrics.

Our teams are currently hiring for a broad range of experience levels including; Experienced and Senior Software Engineers.
Key responsibilities
  • Develop, document, and maintain architectures, requirements, algorithms, interfaces, and designs for the VMS software.
  • Implement, integrate, and maintain C/C++ software components for real-time embedded systems.
  • Create and execute software development plans, verification plans, and test procedures; document results to demonstrate requirements satisfaction.
  • Provide technical leadership and subject matter expertise for software domains and system-specific issues.
  • Contribute to the development and improvement of software processes, tools, and metrics.
  • Track team progress and ensure product/process conformance to project plans and industry standards.
  • Train and mentor other engineers.

We work in a casual but professional environment with multi-disciplined teams of engineers that take pride in developing, integrating, testing and delivering innovative solutions. There is long-term potential for career growth into technical leadership or management positions, and we value the curiosity, tenacity and imagination our engineers bring to our teams each day.
Basic Qualifications (Required Skills/ Experience):
  • Bachelors Degree
  • 5+ years of experience with C/C++
  • 5+ years of experience with software development lifecycle (SDLC)

Preferred Qualifications (Desired Skills/Experience):
  • Level 3: Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor's Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience
  • Level 4: Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9+ years of related work experience OR Bachelor's Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience
  • 9 or more years' related work experience or an equivalent combination of education and experience
  • 5+ years of experience designing and developing software for Real-Time or Non- Real-Time systems
  • 3+ years of experience Safety Critical Software Development Experience
  • Experience with LOR-1, LOR-2 or DAL-A, DAL-B software processes
  • Active Secret Clearance
  • Real-time embedded software experience
  • Agile Software development
  • Familiarity with MIL-HDBK-516C, MIL-STD-882E, JSSSEH, DO-178C
  • Python, C# and/or Assembly Language experience
  • Experience with GreenHills Integrity or other Real Time Operating Systems
  • Experience with fault tolerance, signal processing or control system design
  • Experience with tools such as Jira, ClearCase and Git

Travel: 10%
Drug Free Workplace:
Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Conflict of Interest:
Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process.
CodeVue Coding Challenge:
To be considered for this position you will be required to complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration.
Pay & Benefits:
At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.
The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.
Pay is based upon candidate experience and qualifications, as well as market and business considerations.
Summary pay range for Experienced: $126,660 - $171,350
Summary pay range for Senior: $160,650 - $217,350
Potential signing bonus for eligible/qualified external candidates.
Language Requirements:
Not Applicable
Education:
Bachelor's Degree or Equivalent
Relocation:
This position offers relocation based on candidate eligibility.
Export Control Requirement:
This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.
Safety Sensitive:
This is not a Safety Sensitive Position.
Security Clearance:
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.
Visa Sponsorship:
Employer will not sponsor applicants for employment visa status.
Contingent Upon Award Program
This position is not contingent upon program award
Shift:
Shift 1 (United States of America)
Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.
EEO is the law
Boeing EEO Policy
Request an Accommodation
Applicant Privacy
Boeing Participates in E - Verify
  • E-Verify (English)
  • E-Verify (Spanish)

Right to Work Statement
  • Right to Work (English)
  • Right to Work (Spanish)

What Boeing employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom