HiringCafe
Join our community

35 software engineer internship jobs at 26 companies in San Marcos, TX

2mo
Save
Mark Applied
Hide
Electronics Software Engineer Internship
Round Rock, Texas, United States
OnsiteInternship
Chatsworth Products
Chatsworth Products: Manufactures physical infrastructure solutions to power and protect digital technology.
0+ YOEPursuing BS in Electrical Engineering or Computer Science; strong scripting (PowerShell, Bash) and Python; Linux, REST APIs, and SQL knowledge; experience with Windows development; Jenkins; basic C/C++, CSV.
PowerShell, Bash/Linux, Python, REST APIs, CSV, Jenkins, Windows, C, SQL, C++, Linux, RESTful APIs, Scripting
Job PostingView all
1d
Save
Mark Applied
Hide
Software Engineer Internship
Austin, Texas, United States
RemoteInternship
Layer5
Layer5: Cloud-native infrastructure and service mesh management software provider.
Internship for students or graduates with Golang or Rust experience, familiarity with Kubernetes, Docker, cloud-native design, and distributed systems; strong communication, organization, initiative, and problem-solving skills.
Kubernetes, Docker, Golang, Rust, Reactjs, Cytoscapejs, Billboardjs, Gatsbyjs
Job PostingView all
3w
Save
Mark Applied
Hide
Internship - Software Engineer
Austin or New York City
$5k-$6k/wk OnsiteInternship
Virtu Financial
Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.
Rising juniors or soon-to-be graduates in CS/EE with strong programming in Python plus Java or C++, quantitative skills, and ability to complete a HackerRank coding test.
Python, Java, C++, JavaScript, HackerRank
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Developer Internship (Summer 2027)
Austin, Texas, United States
OnsiteInternship
Quantiq
Quantiq: Proprietary high frequency derivatives trading firm.
Pursuing degree with expected graduation Dec 2027–Jun 2028; proficient in Python and/or C++; familiar with TCP/IP and UDP; strong communication and problem-solving skills.
C++, Python, TCP/IP, UDP
Job PostingView all
2w
Save
Mark Applied
Hide
Software Test-Focused Developer
Round Rock, Texas, United States
HybridFull Time
Emerson
EmersonNYSE: EMR: Engineering industrial automation and software solutions for global industries.
2+ YOEBachelor's in STEM, 2+ years software testing or equivalent internship+advanced degree, experience with automated tests, test case design, defect lifecycle, Agile practices, and strong problem-solving; must be legally authorized to work in the US without sponsorship.
PACSystems, Azure DevOps, Jira, Scrum, SAFe
Job PostingView all
3d
Save
Mark Applied
Hide
Summer Intern 2027- Software Engineer
Fort Mill or Charlotte or Austin
$25-$30/hr OnsiteInternship, Full Time
LPL Financial
LPL FinancialNasdaq: LPLA: Provides independent wealth management and investment advisory services.
Current bachelor's or master's student in computer science, MIS, software engineering, or related field with hands-on programming experience and familiarity with software development, APIs, databases, and cloud practices.
React, Angular, Java, Python, .NET, Node.js, C#, JavaScript, Spring Boot, AWS, Azure, Google Cloud, Git, RESTful APIs, Microsoft?
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOE10+ years in software engineering; leadership in design/architecture; distributed systems and security services; Linux/Unix knowledge; microservices; databases.
Linux, Unix, Distributed Systems, Security, KMS, HSMs
Job PostingView all
4w
Save
Mark Applied
Hide
Software Engineer Intern (Fall 2026) - Austin, TX
Austin, Texas, United States
HybridInternship, Full Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Currently pursuing a degree in CS/Engineering/Math or related field; able to commit to a full-time 12+ week internship (40 hours/week); in-office 3-5 days/week in Austin; strong critical thinking and coding interest.
Typescript, Javascript, Go, Rust, C, C++, Python
Job PostingView all
1d
Save
Mark Applied
Hide
Software Developer Intern 2027
Lowell or Durham or Bellevue or San Jose or Austin
$76k-$166k/yr HybridInternship, Temporary
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
High school diploma or GED required; software development coursework or projects, programming experience, Git, data structures, debugging, and analytical, problem-solving, communication, and collaboration skills.
React, Node.js, Python, Java, SQL, Git, IBM Cloud, AWS, Azure, GCP, Docker, Kubernetes, REST APIs, JavaScript, TypeScript, C++, Go, Rust, Swift, Kotlin, Microsoft Azure
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineering Intern
Austin, Texas, United States
OnsiteInternship
Base Power
Base Power: Providing residential battery systems and retail electricity services.
Strong foundation in software engineering; able to ship production software; good communication; curious and self-directed.
Job PostingView all
1w
Save
Mark Applied
Hide
Spring 2027 Software Engineering Internship/Co-op
Bastrop or Brownsville or Cape Canaveral or Hawthorne or Irvine or McGregor or Palo Alto or Redmond
$30-$40/hr OnsiteInternship
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
0.25+ YOEEnrolled in a bachelor’s or graduate program,3+ months programming experience,proficient in one or more of C,C++,C#,Java,JavaScript,Python,US work-authorization required.
C, C++, C#, Java, JavaScript, Python
Job PostingView all
2mo
Save
Mark Applied
Hide
Staff Software Engineer -AI & Middleware Automation
Austin, Texas, United States
$132k-$210k/yr HybridAll Commitments Available
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years software engineering experience; strong Python/Java/Go; AI/ML with LangChain/LangGraph; middleware, cloud, DevOps; mentoring; open-source contributions.
Python, Java, Go, AWS, GCP, Azure, Kubernetes, Terraform, Ansible, Docker, Jenkins, Prometheus, Grafana, Kafka, Tomcat, Apache, Spring Boot, IBM MQ, NGINX, NodeJS, LangChain, LangGraph, LlamaIndex
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineer Intern (Summer 2027 - Austin)
Austin or Chicago
OnsiteInternship
Optiver
Optiver: Global market maker providing liquidity to financial markets.
Student pursuing BS/MS/PhD in Computer Science or Computer Engineering (graduating Dec 2027–Jun 2028), proficient in C++, Python, or Java, strong CS fundamentals and problem-solving, ability to work in fast-paced team environment.
C++, Python, Java
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer Intern (Fall 2026)
Austin, Texas, United States
OnsiteFull Time, Internship
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
Pursuing Bachelor's or Master's in CS/Software Eng/ECE; programming in Python, C++, Typescript, JavaScript, or Rust; basic robotics knowledge; strong problem-solving; ability to work independently and in teams; 40 hours/week in Austin Aug–Dec.
Python, C++, Typescript, JavaScript, Rust
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineering Internship (C++ or Python) – Summer 2027
Austin or Chicago or New York City or Singapore or London
$6k/wk OnsiteInternship
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
Full-time undergraduate student graduating 2028, programming experience in Python/C/C++, strong problem solving and communication skills, eligible for full-time roles in 2028.
Python, C, C++
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
Job PostingView all
1w
Save
Mark Applied
Hide
Summer 2027 - Software Engineering Intern - Austin, TX
Austin, Texas, United States
OnsiteInternship
Lutron Electronics
Lutron Electronics: A worldwide leader in innovative lighting control and shading solutions offering hands-on learning and growth opportunities for students.
Pursuing Bachelors or Masters in CS/CE/SE with GPA ≥3.20; rising junior/senior or master's student; authorized to work in the US; willing to work onsite 5 days/week.
Job PostingView all
2mo
Save
Mark Applied
Hide
Intern - Design Verification Infrastructure Engineer - Platform
Santa Clara or Austin or Berkeley or Boston
OnsiteFull Time, Internship
SiFive
SiFive: Designs and licenses high-performance RISC-V processor intellectual property.
Software engineer with experience in at least one compiled language and one scripting language; knowledge of modern software practices; production deployments.
Scala, Python, Chisel, CIRCT, MLIR
Job PostingView all
6d
Save
Mark Applied
Hide
Jr. Database Developer
Southlake or Austin
$38-$45/hr OnsiteFull Time
Charles Schwab
Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.
0+ YOERequires 6 months to 1 year of Oracle and SQL Server database experience or equivalent internship/project experience, plus database development, performance tuning, DevOps exposure, and troubleshooting skills.
Oracle, SQL Server, PostgreSQL, GitHub, Bamboo, GitHub Actions, GitHub Copilot
Job PostingView all
2w
Save
Mark Applied
Hide
Software Engineering Intern
Austin, Texas, United States
$30-$33/hr OnsiteInternship
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
Must be an enrolled college student (CS/CE/EE preferred). Strong English communication, self-motivated, analytical; experience with Python/Java, automation frameworks, virtualized/cloud environments, REST APIs, and test automation is a plus.
Python, Java, AWS, KVM, VMWare, RESTful web service APIs, Selenium, Robot Framework, CoPilot, chatGPT
Job PostingView all

Explore Jobs

Expand Your Job Search