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Junior Algorithmic Trading Software Developer Jobs in California

Qcells

Junior Software Engineer

Santa Clara, CA · On-site

$30 - $50/hr

We are seeking a motivated Junior Software Engineer (Temporary) to join our Grid & Energy Services ... Completed coursework in data structures, algorithms, and software engineering fundamentals.

Walmart

Senior Software Developer

Cupertino, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Qualcomm

AI Software Developer, Staff

San Diego, CA · On-site

Deep understanding of AI/ML algorithms, data structures, and software engineering principles. * Strong technical depth in Languages/Frameworks: Python, Java, TypeScript, Angular / React and React ...

Apple

Systems Software Developer

Sunnyvale, CA · On-site

This would include contributing to projects in low-level software and algorithms, building CI/CD ... or developer-facing tooling Proficiency in Python and shell scripting to build automation and ...

Aveva

Experienced Software Developer

San Leandro, CA · Hybrid

$141K - $235K/yr

Recognizing, articulating, and making technical decisions / trade-offs around multiple dimensions ... Acting as an effective technical mentor for one or more junior developers, and provide technical ...

Walmart

Senior Software Developer

Hayward, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Walmart

Senior Software Developer

Mountain View, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Walmart

Senior Software Developer

Cupertino, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

AVEVA

Experienced Software Developer

San Leandro, CA · On-site

$141K - $235K/yr

Recognizing, articulating, and making technical decisions / trade-offs around multiple dimensions ... Acting as an effective technical mentor for one or more junior developers, and provide technical ...

Walmart

Senior Software Developer

San Mateo, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Hayden AI

Algorithms Software Engineer

San Francisco, CA · On-site

$161K - $175K/yr

Algorithms Software Engineer POSITION DUTIES: Exhibit proficiency in software development, consistently delivering clean, efficient, and maintainable code. Contribute across all stages of Hayden ...

Walmart

Senior Software Developer

Sunnyvale, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Walmart

Senior Software Developer

Milpitas, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Walmart

Senior Software Developer

San Jose, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Walmart

Senior Software Developer

Fremont, CA · On-site

$117K - $234K/yr

Provide technical guidance and mentorship to junior team members to ensure compliance with Walmart ... Strong understanding of CS Fundamentals, Microservices, Data Structures, Algorithms, and Problem ...

Amat

Senior Software Developer

Benicia, CA · On-site

$112K - $154K/yr

May provide informal guidance and support to more junior team members. Problem Solving * Provides ... Senior Software Engineer - Sigray Connect Location: Benicia, CA (Onsite) Department: Software ...

Applied Materials

Senior Software Developer

Benicia, CA · On-site

$112K - $154K/yr

May provide informal guidance and support to more junior team members. Problem Solving * Provides ... Senior Software Engineer - Sigray Connect Location: Benicia, CA (Onsite) Department: Software ...

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Junior Algorithmic Trading Software Developer information

What are some typical challenges faced by Junior Algorithmic Trading Software Developers, and how can they overcome them?

Junior Algorithmic Trading Software Developers often face challenges such as optimizing code for speed, understanding complex financial instruments, and adapting to rapidly changing market conditions. It’s common to work in a fast-paced environment where small coding errors can have significant financial implications. To overcome these challenges, junior developers should focus on rigorous code testing, seek mentorship from senior team members, and stay updated on both programming and financial industry trends. Collaboration with quantitative analysts and traders is also essential for understanding strategy requirements and improving system performance.

What is the difference between Junior Algorithmic Trading Software Developer vs Quantitative Analyst?

AspectJunior Algorithmic Trading Software DeveloperQuantitative Analyst
Required CredentialsBachelor's in Computer Science, Software Engineering, or related field; programming skills in Python, C++, or JavaBachelor's or Master's in Finance, Mathematics, or related field; strong statistical and analytical skills
Work EnvironmentDevelops trading algorithms, tests software, collaborates with traders and developersAnalyzes market data, develops models, provides trading insights to traders
Industry UsageCommonly employed in trading firms, hedge funds, and financial institutionsUsed across investment banks, hedge funds, and asset management firms

While both roles work within the finance industry and require analytical skills, the Junior Algorithmic Trading Software Developer focuses on building and maintaining trading software, whereas the Quantitative Analyst emphasizes developing trading models and strategies. Both roles often collaborate but serve different functions within trading operations.

What are the key skills and qualifications needed to thrive as a Junior Algorithmic Trading Software Developer, and why are they important?

To thrive as a Junior Algorithmic Trading Software Developer, you need strong programming skills in languages like Python, C++, or Java, a solid understanding of algorithms and data structures, and a degree in computer science, engineering, or a related field. Familiarity with trading platforms, version control systems (e.g., Git), and financial data analysis tools such as MATLAB or NumPy is typically required. Attention to detail, problem-solving ability, and effective teamwork are crucial soft skills for this fast-paced environment. These competencies are vital for developing robust, efficient trading systems and collaborating effectively within multidisciplinary teams in the high-stakes world of algorithmic trading.

What does a Junior Algorithmic Trading Software Developer do?

A Junior Algorithmic Trading Software Developer assists in designing, developing, and maintaining software systems used for automated trading in financial markets. Their responsibilities typically include writing code for trading algorithms, backtesting strategies, optimizing performance, and troubleshooting issues under the guidance of senior developers. They may also collaborate with traders and quantitative analysts to implement new trading ideas. This role requires strong programming skills, attention to detail, and a solid understanding of both software engineering and financial markets.
What are the most commonly searched types of Algorithmic Trading Software Developer jobs in California? The most popular types of Algorithmic Trading Software Developer jobs in California are:
What are popular job titles related to Junior Algorithmic Trading Software Developer jobs in California? For Junior Algorithmic Trading Software Developer jobs in California, the most frequently searched job titles are:
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Junior Algorithmic Trading Software Developer jobs near you
Junior Software Engineer

Junior Software Engineer

Qcells

Santa Clara, CA • On-site

$30 - $50/hr

Full-time

Re-posted 22 days ago

Qcells rating

6.1

Company rating: 6.1 out of 10

Based on 22 frontline employees who took The Breakroom Quiz

Job description

Description
POSITION DESCRIPTION:
We are seeking a motivated Junior Software Engineer (Temporary) to join our Grid & Energy Services team for a short-term assignment. This role is ideal for students currently studying computer science, software engineering, or related technical fields who are excited about building scalable software systems that power real-world energy infrastructure.
In this role, the candidate will work closely with senior and principal engineers across teams including Energy Management Systems, Platform, Optimizer, DERMS, DevOps, and Site Reliability Engineering to contribute to software development efforts, support system design, and build AI-powered applications interacting with grid-scale energy systems. They will gain hands-on experience across the full software development lifecycle, including development, testing, and deployment, while working on complex challenges at the intersection of software, AI, and modern energy infrastructure.
RESPONSIBILITIES
  • Contribute to feature development across one or more engineering team rotations, writing production-quality Python code under the guidance of a senior or principal engineer.
  • Participate in code reviews, sprint planning, and retrospectives, learning how engineering teams plan, build, and ship software in a structured agile environment.
  • Work with cloud infrastructure on Microsoft Azure and containerized workloads running on Kubernetes, gaining practical experience with the tools and platforms used in large-scale distributed systems.
  • Engage with data pipelines, telemetry systems, and AI-assisted workflows, observing how machine learning and agentic AI components are integrated into a production energy management platform.
  • Apply software engineering best practices including version control with Git, automated testing, and CI/CD pipelines across all rotation assignments.
  • Support reliability and observability work on the SRE team, including monitoring, alerting configuration, and incident response procedures for cloud-hosted services.
  • Present a technical summary of work completed to the engineering team at the conclusion of the internship, demonstrating the scope of contributions made across rotations.
REQUIRED QUALIFICATIONS
  • Currently enrolled in a Bachelor's degree program in Computer Science, anticipated to begin senior year in the fall following the internship. Completed coursework in data structures, algorithms, and software engineering fundamentals.
  • Proficiency in Python, including experience writing scripts, functions, and at least one project of meaningful scope (coursework, personal, or open source).
  • Working knowledge of Git for version control and familiarity with collaborative development workflows such as branching and pull requests.
  • Strong written and verbal communication skills and the ability to work effectively with cross-functional teams in a fast-paced engineering environment.
PREFERRED QUALIFICATIONS
  • Coursework or project experience in machine learning, AI, or data science.
  • Exposure to cloud platforms (Azure, AWS, or GCP) through coursework, personal projects, or certifications.
  • Familiarity with containerization concepts (Docker, Kubernetes) or distributed systems.
  • Interest in energy systems, power infrastructure, data centers, or the application of software to physical systems.
  • Experience with databases (relational or time-series) and working with structured data in code.
WHAT YOU WILL LEARN
  • How scalable software systems are built and deployed for energy infrastructure
  • How cloud, distributed systems, and DevOps support reliable applications
  • How AI-powered applications are integrated into production systems
  • Best practices in software engineering, testing, and CI/CD
DURATION & STRUCTURE
  • Flexible: 1 - 6 months
  • Timing: May 19, 2026 - August 19, 2026
  • Full-time

Hanwha Q CELLS Technologies, Inc. a subsidiary of Hanwha Q CELLS, one of the world's largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) Talheim, Germany (Technology & Innovation HQ) and Santa Clara, CA, USA (HW and SW Product Development HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 7 business enterprise in South Korea.
PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS:
To comply with the Rehabilitation Act of 1973 the essential physical, mental and environmental requirements for this job are listed below. These are requirements normally expected to perform regular job duties. Incumbent must be able to successfully perform all of the functions of the job with or without reasonable accommodation.
Mobility
Standing
20% of time
Sitting
70% of time
Walking
10% of time
Strength
Pulling
up to 10 Pounds
Pushing
up to 10 Pounds
Carrying
up to 10 Pounds
Lifting
up to 10 Pounds
Dexterity (F = Frequently, O = Occasionally, N = Never)
Typing
F
Handling
F
Reaching
F
Agility (F = Frequently, O = Occasionally, N = Never)
Turning
F
Twisting
F
Bending
O
Crouching
O
Balancing
N
Climbing
N
Crawling
N
Kneeling
N
The salary range is required by the California Pay Transparency Act and may differ depending on the location of those candidates hired nationwide. Actual compensation is influenced by a wide array of factors including but not limited to, skill set, education, licenses and certifications, essential job duties and requirements, and the necessary experience relative to the job's minimum qualifications.
*This target salary range is for CA positions only and should not be interpreted as an offer of compensation.
You may view your privacy rights by reviewing Qcells' Privacy Policy or by contacting our HR team for a copy.

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