Junior Python Developer Jobs

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . We are looking for a Senior Engineer to deepen our team's knowledge in ingestion, processing, storage, and distribution of media at global scale. You’ll help us build, operate, and scale the media platform that powers Reddit for hundreds of millions of users around the world. As a Senior Engineer on this team, you’ll be a technical coach and mentor. You’ll draw on your technical expertise to build Reddit’s next generation media platform and to ensure all of our systems have high uptime and strong performance while working with your team to build a roadmap to match the needs of an ever growing engineering organization and to fuel the next wave of Reddit’s growth. Additionally, as part of The Core Systems & Libraries team you’ll design, build, and run many critical foundational services, platforms, and libraries (media and non-media) that all engineering teams at Reddit rely on to serve our users and partners. Join us and help build the future of Reddit! You will: Develop and design new and innovative solutions to scaling Reddit Build platform API projects that scale to the rest of the organization Mentor and coach more junior engineers on your direct team to achieve our mission Build, deliver, and operate services that scale to millions of transactions per second at 5+ 9’s of availability Help us to optimize Reddit’s media experience for hundreds of millions of users across the world. You have: Strong software development experience in one or more general purpose programming languages; Python, Go or

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. As a Firmware Test Engineer at Micron Technology, Inc., you will build groundbreaking high-performance controller firmware test framework for volatile and non-volatile memory systems. You will assist in the evaluation, creation, build, bench testing, debugging, and failure analyzes of firmware for new high-performance memory controllers and Solid State Drives (SSD) that will improve performance, while reducing power, latency and SoC (System on Chip) complexity for the target sectors. You can expect to partner multi-disciplinary Engineers seek multi-functional product development issues. You will triage failures, file bug reports, and help the development teams with isolating issues. Experience / Skills: 8 to 12 years of experience in managing the test development team within the storage domain. In depth knowledge and extensive experience with embedded firmware development Expertise in the use of scripting languages, programming tools and environments Extensive experience programming in Python Technical Expertise in the storage industry in SSD, HDD, storage systems, or a related technology Understanding of storage interfaces including ideally PCIe/NVMe, SATA, or SAS Experience with NAND flash and other non-volatile storage Ability to work independently with a minimum of day-to-day supervision Experience with team leadership and/or supervising junior engineers and technicians Ability to work in a multi-functional team and under

EMPLOYER IS A CONTRACTOR FOR THE U.S. GOVERNMENT. Role Description We are seeking a talented and experienced Platform Engineer to join our team. Possessing strong proficiency with Kubernetes, the ideal candidate will play a crucial role in the development and maintenance of our platform, demonstrating a strong understanding of system architecture, problem-solving skills, and the ability to guide junior engineers. As a Platform Engineer within our organization, you will join a team of dedicated unicorns who are focused on advancing freedom and independence globally. Our teams work on various different technical baselines depending on specific engagements. We focus our Products on the Platform layer, but to deliver for our Heroes, we also work IaC automation, security, and implementation. Responsibilities: You will help us automate and build a runtime Production Environment and serve as a link between the Applications, either custom development, COTS, or OSS, and that environment, advocating best practices and facilitating communication between the application teams and platform teams. In this position, you will be expected to: Validate Solutions/Implementations: Ensure that solutions and implementations align with the outlined tasks and business requirements. Conduct thorough validations to maintain the integrity and efficiency of the platform. Independently Problem Solve: Demonstrate the ability to identify and solve business problems independently. Develop small components to address specific challenges without relying on explicit architecture diagrams. Understand Medium-Level Tasking: Comprehend how medium-level tasks contribute to the achievement of overall goals. Collaborate with cross-functional teams to integrate various components into a cohesive and functional platform. Estimate Time and Effort: Provide accurate time and effort estimates for medium-sized tasks. Assist in project planning and resource allocation based on estimated timelines.

Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benefits of sustainable air mobility. We are designing, manufacturing, and operating an all-electric aircraft that can carry four passengers while producing minimal noise. Our sights are set high and our problems are hard, and we believe that diversity in the workplace is what makes us smarter, drives better insights, and will ultimately lift us all to success. We are dedicated to cultivating an equitable and inclusive environment that embraces our differences, and supports and celebrates all of our team members. What you’ll do: Perform trade studies, requirements derivation, and establish the overall vehicle configuration based on requirements Complete hand calc and FEM analysis of primary and secondary aerospace structures Develop company standards for model creation, strength checks, and analysis report generation Compile documentation of stress analysis to support release of engineering drawings and documents Work closely with and mentor designers and junior structural analysts in stress/stability/fracture analysis best practices Provide technical guidance on design concepts (risk vs. cost vs. performance) Perform stress analysis using Finite Element Methods for static, dynamic, fatigue, and/or damage tolerance to support program design, fabrication, testing, and/or structural integrity activities Support test execution and analyze test results to validate and verify that designs meet requirements and specifications Write detailed structural substantiation reports and other technical reports as required in order to obtain FAA airworthiness approvals What you need: 5+ years of experience with aircraft, spacecraft, launch vehicle or powertrain structures Bachelor’s degree in Engineering field, M.S. preferred Proven experience with stress, fatigue, and/or damage tolerance analysis on both metallic and/

Key Responsibilities Enterprise Data Strategy & Client Engagement: Develop and maintain a comprehensive data architecture strategy that aligns with organizational and client business objectives. Serve as a key technical advisor for clients, translating business requirements into innovative data solutions. Build and maintain strong client relationships by providing expert guidance and managing expectations throughout project lifecycles. Data Modeling, Design & Engineering: Design and optimize both logical and physical data models to support enterprise-wide systems. Architect data warehousing solutions, overseeing the integration of data from multiple sources to enable robust business intelligence and analytics. Directly develop, test, and implement ETL processes and data pipelines, ensuring data quality, consistency, and performance. Technology Evaluation & Implementation: Evaluate emerging data technologies and tools to determine their fit within the existing architecture and potential for future scalability. Oversee the integration of new technologies into the enterprise data architecture, balancing innovation with risk management. Team Leadership & Hands-On Management: Lead cross-functional teams, providing mentorship and technical guidance to junior data engineers and architects. Maintain a hands-on approach by actively participating in coding, design sessions, and troubleshooting complex data issues. Ensure project milestones are met through effective resource management and team coordination. Performance, Security & Best Practices: Optimize data storage, retrieval, and processing performance across various systems. Collaborate with security teams to enforce data governance, compliance, and privacy standards. Establish and promote best practices in data management, data engineering, and architecture design. Documentation & Reporting: Develop and maintain comprehensive documentation covering data architecture designs, data flows, integrati

We are seeking a highly skilled and experienced Staff Data Scientist to join our team and play a pivotal role in developing and deploying cutting-edge autonomous driving technologies. As a Staff Data Scientist, you will be responsible for tackling complex data challenges, driving innovation in machine learning and statistical modeling, and contributing to the advancement of our self-driving systems. You will work closely with a team of talented engineers and researchers in a fast-paced, collaborative environment. In this role, you will: Analyze large-scale datasets from various sources, such as fleet and simulation data, to extract actionable insights. Develop and evaluate novel algorithms and methodologies for data processing, feature engineering, model training, and performance optimization. Evaluate and validate model performance through rigorous testing and analysis, ensuring the safety and reliability of our systems. Communicate complex technical findings and recommendations to both technical and non-technical audiences. Mentor and provide technical guidance to junior data scientists and engineers. Qualifications Master's or Ph.D. in Computer Science, Statistics, Mathematics, or a related quantitative field with 8+ years of experience as a Data Scientist. Strong programming skills in Python, including experience with relevant libraries such as scikit-learn, and Pandas & SQL. Expertise in a wide range of machine learning techniques, including deep learning, reinforcement learning, and statistical modeling. Experience working with large-scale datasets and distributed computing platforms (e.g., Spark, Hadoop) with solid understanding of data processing, feature engineering, and data visualization techniques. Strong communication and presentation skills, with the ability to effectively convey technical information to diverse audiences. Bonus Qualifications Experienc

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. As a Firmware Engineer at Micron Technology, Inc., you will build groundbreaking high-performance controller firmware for volatile and non-volatile memory systems. You will assist in the evaluation, creation, build, bench testing, debugging, and failure analyzes of firmware for new high-performance memory controllers and Solid State Drives (SSD) that will improve performance, while reducing power, latency and SoC (System on Chip) complexity for the target sectors. You can expect to partner multi-disciplinary Engineers seek multi-functional product development issues. You will triage failures, file bug reports, and help the development teams with isolating issues. Experience / Skills: 4+ Years of experience in managing the test development team within the storage domain. In depth knowledge and extensive experience with embedded firmware development Expertise in the use of scripting languages, programming tools and environments Extensive experience programming in Python Experience in the storage industry in SSD, HDD, storage systems, or a related technology Understanding of storage interfaces including ideally PCIe/NVMe, SATA, or SAS Experience with NAND flash and other non-volatile storage Ability to work independently with a minimum of day-to-day supervision Experience with team leadership and/or supervising junior engineers and technicians Ability to work in a multi-functional team and under the pressure of multiple priorit

POSITION SUMMARY: Natera is a global leader in cell-free DNA testing. We measure fetal, tumor, or donor cfDNA at the molecular level to help inform personalized health care decisions with a non-invasive test. The Natera R&D Department is looking for a highly motivated Senior Scientist to join the rapidly growing assay development team to help build the future of Natera. In this position, you will be an integral part of high-performing teams across functions to develop laboratory tests that positively impact the business and our patients. A successful candidate will have a deep understanding of molecular biology, strong scientific curiosity and high level of expertise of developing cfDNA assays through product development cycles. You will lead and support dedicated junior scientists and laboratory technicians to plan, execute and manage scientific studies under design control in a regulated environment to help improve and expand Natera's state-of-the-art product portfolios. PRIMARY RESPONSIBILITIES: Lead technical projects and associated timelines and deliverables as a subject matter expert and represent the assay development group in cross-functional project teams. Drive the planning, design, execution, and reporting of feasibility, development, verification and validation studies under the design control quality system. Collaborate closely with research scientists, automation engineers, biostatisticians and data scientists within a dynamic R&D team to develop new and innovative molecular assays. Communicate and document experimental data, scientific findings, and recommendations to R&D and other functions including Lab Operations, Scientific Affairs, Product Management, Quality, and Regulatory groups. May manage Research Associates. QUALIFICATIONS: Typically requires a university degree and a minimum of 8+ years of related experience or a MS degree and 6 years of related experience or a PhD and 4 years of related experience Knowledge of high throughput

We are now looking for a Senior Performance Verification Engineer! As a member of our CPU Performance verification Team, you will be responsible for performance correlation, analyzing workloads and benchmarks for performance bottlenecks, developing microbenchmarks and creating the necessary verification infrastructure for performance analysis. This position offers you the opportunity to have real impact in a dynamic, technology-focused company impacting product lines ranging from consumer graphics to self-driving cars and the growing field of artificial intelligence. We have crafted a team of outstanding people stretching around the globe, whose mission is to push the frontiers of what is possible today and define the platform for the future of computing. What you’ll be doing: Technical leadership role to define/plan/implement/execute performance verification strategy of sophisticated CPU designs Ability to delve into lowest level details of CPU unit design specification, implementation and it's performance impact Interactions with architect and design engineers to define detailed scope of micro architectural features Draft detailed performance testplans and define/Create scalable micros to validate features Analysis and correlation of CPU benchmarks/workloads Build infra/tooling needed for efficient performance correlation debug Ability to lead and provide detailed technical guidance to junior engineers Agility to work on multiple tasks/projects What we need to see: BS or MS in EE/ECE or equivalent experience. PhD is a plus 5+ years of experience in CPU performance modeling, performance correlation, performance analysis, or relevant experiences Strong understanding in CPU micro architecture and designs Experience with workload analysis and characterization Strong coding skills in scripting l

About the Team Come help us build the world's most reliable on-demand, logistics engine for last-mile retail delivery! We're looking for an experienced machine learning engineer to help us develop modern growth and personalization models that power DoorDash's growing retail and grocery business. About the Role We’re looking for a passionate Applied Machine Learning expert to join our team. As a Staff Machine Learning Engineer, you’ll be conceptualizing, designing, implementing, and validating algorithmic improvements to the growth and personalization experiences at the heart of our fast-growing grocery and retail delivery business. You will use our robust data and machine learning infrastructure to implement new ML solutions to make the consumer search experience more relevant, seamless, and delightful across grocery, convenience, and many other retail categories. You will demonstrate a strong command of production level machine learning, experience with solving end-user problems, and collaborate well with multi-disciplinary teams. You will report into the engineering manager on our Personalization team. We expect this role to be hybrid with some time in-office and some time remote (#LI-Hybrid). You’re excited about this opportunity because you will… Develop production machine learning solutions to build a world class personalized shopping experience for a diverse and expanding retail space Partner with engineering and product leaders to help shape the product roadmap applying ML Mentor junior team members, and lead cross functional pods to create collective impact You can find out more on our ML blog here We’re excited about you because you have… 8+ years of industry experience developing machine learning models with business impact, and shipping ML solutions to production. Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring an

Natera’s Research team is building tests that can detect many cancers from a single blood draw. We are looking for a Staff Machine Learning and Bioinformatics Scientist to help design the models at the heart of that effort. You’ll work with large-scale, multi-modal genomic datasets from clinical cohorts and partner closely with molecular biologists and clinical scientists. Your research will advance the state-of-the-art and you will drive new methods from prototype, through scalable implementation, toward clinical validation and, ultimately, to patients. PRIMARY RESPONSIBILITIES: Lead the development of novel statistical and machine learning methods for cancer signal detection on multi-modal genomic data Build interpretable, well-calibrated models, setting the standard for uncertainty estimation and reproducibility across the group Prototype, test and productionize ML models using scalable infrastructure Own key technical deliverables within larger projects and help shape the team’s research roadmap Collaborate closely with molecular biologists and clinical experts on design and analysis of experiments and validation studies Keep raising the bar through code and design reviews across projects Translate complex results into clear stories for technical and non-technical audiences Mentor junior scientists and champion a culture of curiosity, collaboration, and scientific excellence QUALIFICATIONS: PhD in Computer Science, Mathematics, Bioinformatics, or a related quantitative field with 6-12 years of experience post-PhD Hands-on experience developing novel statistical / ML analysis methods applied to complex biological data Proven track record of innovation and technical leadership in complex method development projects Expertise in deep learning and multimodal foundation models Proficient in Python and its scientific computing ecosystem Scientific rigor throughout the R&D process, with eagerness to teach and learn new computational methods and biology Excellent co

Natera’s Research team is building tests that can detect many cancers from a single blood draw. We are looking for a Staff Machine Learning and Bioinformatics Scientist to help design the models at the heart of that effort. You’ll work with large-scale, multi-modal genomic datasets from clinical cohorts and partner closely with molecular biologists and clinical scientists. Your research will advance the state-of-the-art and you will drive new methods from prototype, through scalable implementation, toward clinical validation and, ultimately, to patients. PRIMARY RESPONSIBILITIES: Lead the development of novel statistical and machine learning methods for cancer signal detection on multi-modal genomic data Build interpretable, well-calibrated models, setting the standard for uncertainty estimation and reproducibility across the group Prototype, test and productionize ML models using scalable infrastructure Own key technical deliverables within larger projects and help shape the team’s research roadmap Collaborate closely with molecular biologists and clinical experts on design and analysis of experiments and validation studies Keep raising the bar through code and design reviews across projects Translate complex results into clear stories for technical and non-technical audiences Mentor junior scientists and champion a culture of curiosity, collaboration, and scientific excellence QUALIFICATIONS: PhD in Computer Science, Mathematics, Bioinformatics, or a related quantitative field with 6-12 years of experience post-PhD Hands-on experience developing novel statistical / ML analysis methods applied to complex biological data Proven track record of innovation and technical leadership in complex method development projects Expertise in deep learning and multimodal foundation models Proficient in Python and its scientific computing ecosystem Scientific rigor throughout the R&D process, with eagerness to teach and learn new computational methods and biology Excellent co

Who we are About Stripe Stripe, LLC. is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. What you’ll do Responsibilities Conducting technical interviews; Creating software, tooling and distributed systems for automating and managing data center network hardware and compute stacks; Creating and operating shared infrastructure for Stripe’s Cardholder data environment; Deployment tooling; SOX compliance audit prep interviews, and remediations; PCI compliance audit prep, interviews, and remediations; Project management; Mentoring junior engineers; On-call responsibilities. Who you are Minimum requirements Must have a Bachelor's degree or foreign equivalent in Computer Science, Software Engineering, or related field, plus two (2) years of Software Development experience. Position also requires the following: 2 years of experience with AWS cloud infrastructure and Terraform infrastructure automation; 2 years of experience with reliability, scalability, and distributed systems principles; 1 year of experience in Go and Ansible programming languages; 1 year of experience in Puppet host configuration; 1 year of experience in Ruby programming language; 1 year of experience in Python programming language; 1 year of experience in mentorship and leadership of junior software engineers; 1 year of experience performing 24/7 on call rotations to support high-availability software systems; 1 year of experience with monitoring and logging tools; 1 year of experience with computer network concepts; 1 year of experien

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As Staff Engineer in Micron’s High Bandwidth Memory (HBM) Component Validation team, you will contribute as Subject Matter Expert (SME) and contribute to define new standards on validation development for advanced HBM products and ensure stable, scalable validation testing infrastructure with zero code-related escapes across various test flows and high speed memory validation. You own optimizing test flows, and lead technical problem solving for next generation HBM products. You’ll drive validation development deliverables and mentor junior engineers. Why Join Us You’ll gain hands-on experience with cutting-edge HBM technologies and validation platforms, working alongside global experts. This role offers opportunities to learn advanced validation techniques, drive and deliver product readiness, technology solutions and innovations, and grow into technical leadership roles. Responsibilities: Test program development SME: Drive and develop and maintain test programs for HBM component validation Deliver timely test program releases aligned with validation milestones and drive code quality, reviews, and release best-practices Drive test time optimization and parallelism improvements Drive tes

EMPLOYER IS A CONTRACTOR FOR THE U.S. GOVERNMENT. THIS POSITION REQUIRES U.S. CITIZENSHIP. Role Description We are seeking a talented and experienced Platform Engineer to join our team. Possessing strong proficiency with Kubernetes, the ideal candidate will play a crucial role in the development and maintenance of our platform, demonstrating a strong understanding of system architecture, problem-solving skills, and the ability to guide junior engineers. As a Platform Engineer within our organization, you will join a team of dedicated unicorns who are focused on advancing freedom and independence globally. Our teams work on various different technical baselines depending on specific engagements. We focus our Products on the Platform layer, but to deliver for our Heroes, we also work IaC automation, security, and implementation. Responsibilities You will help us automate and build a runtime Production Environment and serve as a link between the Applications, either custom development, COTS, or OSS, and that environment, advocating best practices and facilitating communication between the application teams and platform teams. In this position, you will be expected to: Validate Solutions/Implementations: Ensure that solutions and implementations align with the outlined tasks and business requirements. Conduct thorough validations to maintain the integrity and efficiency of the platform. Independently Problem Solve: Demonstrate the ability to identify and solve business problems independently. Develop small components to address specific challenges without relying on explicit architecture diagrams. Understand Medium-Level Tasking: Comprehend how medium-level tasks contribute to the achievement of overall goals. Collaborate with cross-functional teams to integrate various components into a cohesive and functional platform. Estimate Time and Effort: Provide accurate time and effort estimates for medium-sized tasks. Assist in project planning and resource allocation based o