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130 developer intern jobs at 86 companies in San Marcos, TX

2mo
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Quantitative Developer Intern
Austin, Texas, United States
OnsiteInternship
Base Power
Base Power: Providing residential battery systems and retail electricity services.
Internship focused on building optimization, analytics, and trading software using Python/SQL; experience with ML/Statistics and CI/CD encouraged.
Python, SQL, CI/CD
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2mo
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OCI Software Engineer Intern - OVIP
Austin or Nashville
$18-$35/hr OnsiteFull Time, Internship
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
Pursuing a computer science/engineering degree; experience with application development; programming in Java, JavaScript, C/C++, Python, Go; knowledge of data structures, distributed systems; networking, databases/NoSQL; strong communication; familiarity with agile methods.
Java, JavaScript, C/C++, Python, Go, TCP/IP, HTTP, NoSQL, Distributed storage
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2mo
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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
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3mo
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Field Engineer Intern
Austin, Texas, United States
$26-$30/hr OnsiteInternship
Shimmick
ShimmickNASDAQ: SHIM: Builds large-scale water and transportation infrastructure projects.
0+ YOECurrently enrolled in a university program pursuing a Bachelor’s Degree in Engineering or related field; intent to continue enrollment after internship; minimum of 1 year of study completed; strong software and office skills; able to work under supervision.
AutoCAD, MicroStation, GIS, Hydrologic/Hydraulic models, Microsoft Office
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Cyber Engineer Intern - San Antonio, TX
San Antonio, Texas, United States
$30-$40/hr OnsiteAll Commitments Available
ICR
ICR: Cyber engineering internship program.
Pursuing degree in CS/CE/EE; reverse engineering experience; proficient in C, Python, x86/x64 assembly; knowledge of Windows/Linux APIs; familiarity with IDA Pro and Wireshark; able to work in small teams.
C, Python, x86/x64 assembly, IDA Pro, Wireshark, Windows API, Linux API
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2mo
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Developer Experience Engineer
Austin, Texas, United States
HybridFull Time
Noda AI
Noda AI: Orchestrates autonomous systems for multi-domain defense operations.
5+ YOE5+ years in Developer Experience or internal tooling; strong CI/CD; build/release pipelines; Python tooling; SDKs/CLIs; security-conscious; experience with containers.
Python, CI/CD, SDK, CLI, containers
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3w
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Technical Support Engineer Intern (Fall 2026)
Austin, Texas, United States
HybridFull Time, Internship
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Pursuing undergraduate degree in computer science or related field; experience with Linux, command-line tools, scripting (Bash/Python/JavaScript); fundamental internet knowledge (OSI, DNS, SSL/TLS, HTTP); able to work 40 hours/week for 12 weeks and attend Austin office 3x weekly.
Linux, curl, dig, traceroute, openssl, git, Bash, Python, JavaScript, Apache, Nginx, IIS
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3w
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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
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4d
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Intern Engineer - Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Austin or Baton Rouge or Dallas or Des Moines or El Paso or Fort Worth or Houston or Kansas City or Little Rock or New Orleans or Oklahoma City or Overland Park or Plano or Round Rock or San Antonio or St. Louis
OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
High school diploma/GED plus current enrollment in an accredited engineering program. Basic engineering/math skills, Microsoft Office proficiency, ability to perform basic calculations and prepare shop drawings.
Microsoft Office
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2w
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Intern - Project Engineer
Schertz, Texas, United States
OnsiteFull Time
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
Pursuing a relevant engineering or construction degree; strong communication, problem-solving, and teamwork; interest in HVAC/plumbing/fire protection, estimating, scheduling, and project coordination.
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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
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1mo
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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
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3d
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Software Engineer - Hardware Engineering Operations
Austin, Texas, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Design and develop internal applications, frameworks, and services that bridge software and hardware, including data pipelines, simulation tools, web applications, and API integrations.
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2mo
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Development Intern
Austin, Texas, United States
HybridInternship
Hand to Hold
Hand to Hold: Provides peer support and resources for NICU families.
0+ YOEInternship; unpaid with course credit; 10+ hours/week; hybrid/in-office/remote; travel to Austin; open to college students pursuing related degrees; interest in nonprofit fundraising and donor relations.
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1mo
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Embedded Software AI Intern
Austin, Texas, United States
OnsiteInternship
Cirrus Logic
Cirrus LogicNASDAQ: CRUS: Designs mixed-signal integrated circuits for consumer electronics.
Strong C and Python programming; AI/ML experience; pursuing a BS in Computer/Data Science or Software Engineering; knowledge of real-time embedded software, processor architectures, DSP; familiarity with Git and CI/CD; ability to work onsite in Austin.
C, Python, Git, CI/CD, AI/ML
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2d
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Fall & Spring Intern, Aquifer Management Services
San Antonio, Texas, United States
$20/hr OnsitePart Time, Internship
Edwards Aquifer Authority
Edwards Aquifer Authority: Manages and protects the Edwards Aquifer groundwater system.
Must be enrolled in college with ≥60 credit hours and ≥2.5 GPA, ≥12 credit hours in geology/environmental science/geography or related, some computer knowledge, ability to lift ≤25 lbs and perform occasional physical tasks.
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1mo
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Product Development Intern
Austin, Texas, United States
OnsitePart Time, Internship
Four Hands
Four Hands: Designs and wholesales furniture and home decor products.
Assist Product Development with tracking and organizing swatches, communicating with overseas teams, maintaining swatch room, creating presentations, coordinating product introductions; familiarity with Microsoft Office and project management tools preferred.
Microsoft PowerPoint, Microsoft Excel, Microsoft Outlook, Microsoft SharePoint, Microsoft Teams, Asana, Monday.com, CMS
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1w
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Robotics Engineer Intern - Test & Validation
Austin, Texas, United States
OnsiteInternship, Full Time
Contoro Robotics
Contoro Robotics: Builds AI robots for autonomous warehouse trailer unloading.
Pursuing a degree in robotics/mechanical/electrical engineering or related field; basic Linux command line familiarity; detail-oriented, on-site in Austin for two continuous internship terms; ability to run structured robot tests and document results.
Linux command line, ROS
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2mo
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Intern Administrative Pool
Austin, Texas, United States
OnsiteInternship
Austin Independent School District
Austin Independent School District: Public K-12 school district serving students in Austin, Texas.
Administrative internship supporting Talent Development and Engagement; clerical tasks and basic office duties.
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6d
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Embedded GUI Development Intern
Austin, Texas, United States
$25-$30/hr HybridInternship
Jardum
Jardum: Integrates electronics and control systems for specialized vehicle builders.
Knowledge of C/C++/QML/JavaScript, UI/UX and graphics tools (Figma, Adobe), interest in vehicles, ability to translate designs into embedded GUIs and test on hardware; remote work capability for hybrid schedule.
Qt, Crank Storyboard, Enovation Controls PowerVision, Figma, Adobe, C, C++, QML, JavaScript, Git, embedded Linux, CAN, Unity, Godot
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