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Internship Slack Software Engineer Jobs in Missouri

Software Engineer

Saint Louis, MO

$95K - $159K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Design of software modules; implementation in C++, unit testing, integration testing, performance ... LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically ...

Software Engineer

Saint Louis, MO · On-site

$95K - $159K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically ... You will experience the critical role we have in helping to re-engineer the financial ecosystem to ...

Software Engineer

Saint Louis, MO · On-site

$95K - $159K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically ... You will experience the critical role we have in helping to re-engineer the financial ecosystem to ...

Embedded Software Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The purpose of the internship is to provide meaningful professional hands-on experience to students ... Work under the direction of the Software Engineering Manager, Software Engineering Technical ...

Embedded Software Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The purpose of the internship is to provide meaningful professional hands-on experience to students ... Work under the direction of the Software Engineering Manager, Software Engineering Technical ...

Embedded Software Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The purpose of the internship is to provide meaningful professional hands-on experience to students ... Work under the direction of the Software Engineering Manager, Software Engineering Technical ...

C++ Software Engineer

Saint Louis, MO

$95K - $159K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Design of software modules; implementation in C++, unit testing, integration testing, performance ... LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically ...

About Automation Engineering Roles at Danaher Are you energized by solving technical problems ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

About Automation Engineering Roles at Danaher Are you energized by solving technical problems ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

About Automation Engineering Roles at Danaher Are you energized by solving technical problems ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

About Automation Engineering Roles at Danaher Are you energized by solving technical problems ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

About Automation Engineering Roles at Danaher Are you energized by solving technical problems ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

Showing results 21-40

Internship Slack Software Engineer information

What does an internship Slack software engineer do?

An Internship Slack Software Engineer works as a software engineering intern at Slack, contributing to the development and maintenance of Slack’s messaging platform and related features. Interns typically collaborate with experienced engineers, write and test code, debug issues, and participate in team meetings. The internship provides hands-on experience with modern technologies, exposure to best engineering practices, and opportunities to learn about Slack’s product development processes. Interns may also work on projects that improve the Slack user experience or internal tools. The role is designed to help students gain practical skills and prepare for a full-time software engineering career.

What types of projects does an internship Slack software engineer typically work on, and how are their contributions integrated with the broader engineering team?

Internship Slack Software Engineers often participate in real-world projects such as developing new features, fixing bugs, or improving internal tools that directly impact Slack’s product and user experience. Interns are paired with mentors and collaborate closely with experienced engineers through code reviews, stand-ups, and team meetings. Their work is regularly reviewed, and meaningful contributions are merged into production, ensuring interns gain hands-on experience while adding value to the team. This collaborative environment helps interns quickly learn industry best practices and build a professional network within the company.

What are the key skills and qualifications needed to thrive as an internship Slack software engineer, and why are they important?

To thrive as an Internship Slack Software Engineer, you need a solid understanding of computer science fundamentals, proficiency in programming languages like JavaScript or Python, and progress toward a relevant degree such as Computer Science. Familiarity with version control systems (e.g., Git), cloud platforms, and collaboration tools commonly used in software development is expected. Strong problem-solving abilities, effective communication, and a willingness to learn help interns stand out in this collaborative environment. These skills and qualities are essential for delivering high-quality code, efficiently contributing to team projects, and adapting to Slack’s fast-paced tech culture.

What is the difference between Internship Slack Software Engineer vs Entry-Level Slack Software Engineer?

AspectInternship Slack Software EngineerEntry-Level Slack Software Engineer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some work experience or projects
Work EnvironmentPart-time or temporary, often in a mentorship setting, focused on learning and support tasksFull-time, collaborative team environment, involved in development and coding tasks
Employer & Industry UsageUsed by companies like Slack for internship programs to evaluate future hiresEntry-level position in tech companies, including Slack, for new graduates or those transitioning into software engineering

The main difference is that an Internship Slack Software Engineer is a temporary, learning-focused role often held by students or recent graduates, while an Entry-Level Slack Software Engineer is a full-time position requiring some foundational experience. Internships are designed to provide exposure and training, whereas entry-level roles involve contributing to ongoing projects and gaining professional experience.

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 cities in Missouri are hiring for Internship Slack Software Engineer jobs?

Cities in Missouri with the most Internship Slack Software Engineer job openings:

Infographic showing various Internship Slack Software Engineer job openings in Missouri as of August 2026, with employment types broken down into 87% Full Time, 8% Part Time, and 5% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

$95K - $159K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 hours ago


Job description

LSEG offers essential platforms, financial data services and trading venues for various clients such as businesses, governments, and investors around the globe.

The real-time market data, indices, analytics, and news services LSEG supplies allows traders and investors understand market conditions and trends. We deliver the infrastructure, data, and analytics that market participants rely on to make confident, informed investment decisions.

LSEG is dedicated to empowering economies and enabling sustainable growth by incorporating environmental, social, and governance (ESG) factors into its operations and offerings.

Within LSEG's Data and Analytics division, the Real-Time Distribution Development team plays a vital role in supporting LSEG's financial data distribution and fanout components.

We have responsibility for the design, implementation and continuous improvements of complex, low latency, high throughput software that makes the LSEG financial data distribution reliable, scalable and geographically resilient. Whether you are passionate about our consistently modernized on-prem enterprise solutions or tackling the challenges on our cloud applications in AWS and Azure, we have a place for you!

Our team thrives on inclusion, innovation, and high performance. Join us, and help shape the future of LSEG's platforms and services!

Job description :

Design of software modules; implementation in C++, unit testing, integration testing, performance testing along with software packaging and configuration management.

Participates in code/design reviews.

Contributes toward product and internal documentation - technical specifications, software documentation and unit test plans.

Assists in resolution of field problems as needed

Partners with Quality Assurance to ensure high quality software, write Robot framework test cases using Python based key words

Qualifications :

3+ years of computer software development experience

Experience developing in C++ and/or other Object Oriented programming languages, in a multi-threaded environment and real-time streaming type applications.

strong working experience and troubleshooting skills in Linux.

Familiarity with network programming and strong knowledge of networking concepts and protocols(TCP/IP, UDP, multicast).

Strong written & verbal communication skills

Experience with Cloud technology (AWS/AZURE) is a plus.

Compensation/Benefits Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $95,700 - $159,700.Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/"bonus plan"). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG's Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.