Database Engineer (AWS Infrastructure) at Sigma Software

Replit is a pioneering software creation platform that empowers individuals to build applications effortlessly using natural language. With millions of users globally and over 500,000 business clients, Replit is revolutionizing software development by dismantling traditional barriers to application creation.About the RoleWe are on the lookout for a skilled, analytical Growth Engineer to help propel our product's scaling efforts and elevate essential user metrics across acquisition, activation, retention, and monetization. Growth Engineering is a unique fusion of engineering, product management, and marketing—utilizing code, experimentation, and analytical insights to uncover opportunities that yield measurable results.What You’ll DoExperimentation & OptimizationDesign, implement, and analyze rapid A/B and multivariate experiments to validate hypotheses and enhance critical KPIs.Identify obstacles within user funnels and devise technical solutions to boost conversion rates throughout the user journey.Growth Feature DevelopmentCreate growth-driven product features such as onboarding experiences, referral systems, and automated engagement processes.Develop scalable code and infrastructure that underpins growth initiatives and experimentation frameworks.Data-Driven InsightsCollaborate with data teams to implement tracking, build insightful dashboards, and extract actionable insights from user behavior data.Utilize SQL and various analytics tools to conduct in-depth analyses of cohorts, engagement metrics, and experimental outcomes.Cross-Functional TeamworkWork closely with product managers, designers, marketers, and data scientists to align growth objectives and execution strategies.Translate business objectives into technical specifications and implement practical solutions that foster sustainable growth.Continuous Learning & InnovationStay informed about industry advancements and growth-related technologies, proposing new strategies to catalyze growth.Automate repetitive tasks and develop internal tools to facilitate faster experimentation.

Replit is an innovative software creation platform that empowers individuals to develop applications using natural language. With millions of users globally, including over 500,000 businesses, we are at the forefront of democratizing software development by dismantling traditional barriers to application creation.Job SummaryWe are seeking a skilled Growth Infrastructure Engineer to architect and sustain the robust technical framework that facilitates scalable growth experiments, high-performance data pipelines, and automated systems to enhance user acquisition, engagement, and product evolution. This pivotal role integrates growth, product, and infrastructure, merging advanced technical engineering with experimentation and data-informed optimization.You will collaborate with cross-functional teams encompassing product management, data science, and back-end engineering to ensure seamless execution and scalability of growth initiatives across our systems.

Join our innovative Motion Planning team, where you will play a critical role in enhancing the driving behaviors of our robots as they navigate public roads. Your mission will be to determine the robot's destination and devise safe routes in complex environments, such as the bustling streets of Downtown San Francisco or the iconic Las Vegas Strip.This is an exhilarating challenge that demands close collaboration with a diverse group of specialists, including experts in Planner, Perception, Prediction, and Operations. Together, you will drive the advancement of cutting-edge algorithms that enhance our robot's capabilities in navigating intricate traffic scenarios.Safety is our top priority. You will employ a systematic approach by developing modifications to the Planner, conducting simulations and closed-course tests, and collaborating with our safety drivers for real-world testing.Key Responsibilities:Develop, debug, and test features and enhancements related to driving behaviors in our production codebase.Collaborate closely with senior engineers to interpret design specifications and produce robust, high-quality code.Utilize our comprehensive backend tools to execute regression tests and validate your modifications across various driving scenarios.Engage in on-vehicle drive reviews, assisting in data collection and generating actionable insights on driving performance.

Join Sigma Software as a Database Engineer, where you will play a pivotal role in designing, building, and managing scalable and secure data storage solutions that underpin our applications and analytical processes. Collaborate with both application and data teams to craft schemas, enhance performance, and automate operations using AWS and infrastructure-as-code practices. Your contributions will significantly boost reliability, cut costs, and expedite delivery from development to production.Key Responsibilities:● Design and implement efficient and scalable database solutions tailored to business needs.● Install, configure, and upgrade database software and associated tools.● Monitor database performance while optimizing queries, indexes, and schemas for enhanced reliability and speed.● Establish and uphold database security measures to safeguard sensitive information.● Work alongside application developers to refine schema designs and SQL queries.● Diagnose and resolve incidents promptly across various environments.● Create and maintain comprehensive documentation for architecture, configuration, and operational procedures.● Engage in capacity planning and advocate for infrastructure enhancements.● Manage and support AWS database infrastructure, including RDS, Aurora, and Redshift.● Remain updated on emerging database technologies, methodologies, and industry best practices.

We are seeking a dynamic and detail-oriented QA Release Engineer to join our innovative team at Vertex Sigma Software. In this pivotal role, you will be responsible for managing the machine learning (ML) model merge queue and facilitating the release of new ML models for our vehicle systems. Your expertise will be instrumental in optimizing developer workflows and minimizing delays in branch updates.

Join Vertex Sigma Software as a Functional Safety Engineer in our Advanced Hardware Engineering (AHE) division. In this role, you will collaborate with systems and functional safety teams to conduct comprehensive Failure Mode Effects Analysis (FMEA) at both system and sub-system levels. Your expertise will extend into board and component level diagnostics, allowing you to provide critical insights into hardware capabilities and functionality. You will closely interact with systems and design engineers to ensure that requirements are fully understood and met, providing verification and validation of our hardware through rigorous testing.Key Responsibilities:Lead and actively engage in quantitative and qualitative functional safety initiatives that contribute to the development of detailed Failure Mode Effects and Diagnostic Analysis.Thoroughly review vendor documentation for components and boards to ascertain diagnostic capabilities.Collaborate with firmware engineers to implement diagnostics and work with the verification and validation team to confirm their effectiveness.Partner with the Test Team and Test Infrastructure team to enhance verification processes and improve diagnostic coverage.Establish new requirements to bolster the diagnostic capabilities of our hardware by working closely with both EE and FW teams.Conduct in-depth analysis of safety manuals provided by vendors for complex System on Chips (SoCs) and microprocessors.Develop requirements for safety-critical hardware to undertake Fault Injection Testing, adhering to ISO 26262:2018 standards.

Join Vertex Sigma Software as a DevOps Engineer and play a pivotal role in our software development lifecycle!Responsibilities:Develop and maintain essential tools that empower cross-functional teams in delivering software compliant with a High Assurance Process.Collaborate closely with various Continuous Integration (CI) tools and infrastructure to meet the strategic objectives defined by our software systems engineering team.Engage with team leads to clarify tool requirements, establish delivery milestones, and automate necessary tooling, including comprehensive reporting of relevant business metrics.Participate in code reviews and incident postmortems, contributing to the long-term stability and reliability of our software systems.

Join us as we revolutionize the future of autonomous vehicles! At Vertex Sigma Software, we are at the forefront of developing cutting-edge software for our specialized autonomous vehicles. We are committed to delivering a comprehensive end-to-end product that not only accelerates our market entry but also enhances the overall customer experience.We are in search of a talented Continuous Integration (CI) Engineer to drive our CI systems. In this pivotal role, you will play an essential part in enhancing our engineering efficiency by designing, building, and refining the automated pipelines and infrastructure that ensure our codebase is built, tested, and validated with precision. As a hands-on expert in CI infrastructure, you will foster a rapid and dependable feedback loop for our development team.Key Responsibilities:Manage and maintain the CI infrastructure, including build agents, runners, CI images, and worker pools.Design, implement, and uphold scalable and reliable CI pipelines tailored for a variety of software applications.Troubleshoot and resolve intricate CI failures, dependency conflicts, and performance issues.Collaborate with CI Platform Engineers to elevate the reliability, efficiency, and continuous enhancement of our CI platform.

Join Vertex Sigma Software as a Hardware Engineer, where you will play a crucial role in the development, documentation, and execution of both component and system-level hardware testing. Your collaboration with suppliers, design engineers, and system engineers will be key in characterizing the functional performance of Sigma sense and computer hardware. You will oversee development testing of early prototypes and qualification testing of modules designed for vehicle applications. Your projects will vary from interface compliance testing to the creation of specialized testing tools. We seek a passionate, innovative self-starter ready to embrace the challenges of being an exceptional hardware engineer.Key Responsibilities:Conduct test execution using oscilloscopes, network analyzers, and other electrical/environmental test equipment.Develop comprehensive test setups utilizing block diagrams, Bills of Materials (BoMs), and detailed test plans.Lead test infrastructure development projects, collaborating with procurement and suppliers.Create custom test assets, including load simulators, test harnesses, and Python scripts.Document and present Test Plans, Design Reviews, Test Readiness Reviews, and Data Reviews.Review and consult on documentation releases for standards, designs, and risk assessments.

- Take ownership of dimensional requirements from initial design through to production launch for designated vehicle systems or commodities.- Create and maintain 3D tolerance analysis (DVA) models to forecast variations and evaluate design robustness.- Define and validate GD&T schemes in alignment with functional and manufacturing intents.- Collaborate with Design Engineering to influence part geometry, locators, and interfaces to achieve dimensional and craftsmanship objectives.- Facilitate both top-down and bottom-up dimensional integration, ensuring compatibility with vehicle-level specifications.- Review and endorse drawings, CAD outputs, and engineering amendments with a focus on dimensional accuracy.- Partner with Manufacturing Engineering on fixture concepts, locating strategies, and build assumptions.- Assist Quality and Manufacturing teams in resolving issues pertaining to gaps/flushing, fit, and alignment.- Analyze build and measurement data (CMM, scan data, build reports) to validate models and implement corrective measures.- Lead or assist in dimensional root cause investigations, proposing effective countermeasures along with design or process enhancements.- Present dimensional status, risks, and recommendations during design and program evaluations.- Engage in discussions with suppliers regarding dimensional feasibility, tolerance capabilities, and corrective actions.

As a Chief Software Engineer at Visa Inc., you will lead a talented team of engineers to develop robust software solutions that drive innovation in the payments industry. You will be responsible for the architecture and design of our software systems, ensuring high performance and scalability.Your role will involve collaborating with cross-functional teams, mentoring junior engineers, and making key decisions that impact the technical direction of our products.

Replit is a pioneering platform that empowers individuals to effortlessly create software applications through natural language. With millions of users globally and over 500,000 business clients, Replit is revolutionizing the software development landscape by eliminating conventional obstacles to application design.About the RoleWe are on the lookout for a talented Product Engineer to become an integral part of our newly formed Enterprise team. Our consumer platform has showcased Replit’s unique capabilities, and we are now witnessing exciting opportunities for innovation and expansion in the B2B sector. This area is crucial for our growth this year and in the future.Join us on our mission to develop and enhance features that boost productivity for teams and organizations of all sizes using Replit. This is a unique chance to make a significant impact and help shape our culture and processes from the ground up. You will collaborate closely with cross-functional teams, including product managers, designers, and AI engineers, to create solutions that empower our customers to build, deploy, and share their applications seamlessly. This role demands both technical proficiency and a keen understanding of user needs to deliver impactful features.Key Responsibilities:Design, develop, and maintain features across the full stack that cater to enterprise clients, encompassing backend services and user-facing interfaces.Create and implement scalable solutions tailored for teams and organizations, including enterprise-grade features such as authentication, permissions, security, compliance, and tools that enhance team collaboration and drive organizational adoption.Engage directly with customers to comprehend their needs and refine solutions accordingly.Contribute to architectural and technical decisions for the Enterprise platform.Work closely with Product, Design, and other Engineering teams to deliver superior user experiences.Mentor fellow engineers and elevate the standards of engineering excellence.Deliver quickly and iterate based on customer feedback and usage metrics.Required Skills and Experience:Proven full stack engineering expertise with experience in deploying production code.Demonstrated experience in developing B2B or enterprise software solutions.Familiarity with various layers of technology—from databases and APIs to frontend frameworks.Strong product intuition and the ability to translate customer needs into actionable features.

Join Visa Inc., a global leader in digital payments, as a Senior Software Engineer. In this role, you will be instrumental in developing cutting-edge software solutions that enhance transaction security and improve user experience. You will collaborate with cross-functional teams to design, implement, and optimize software applications that drive our mission of connecting the world through the most secure and reliable payment network.

Role overview As a Senior Software Engineer specializing in performance at Zoox, the focus is on enhancing the efficiency and reliability of software systems that power advanced robotics. This position involves working on challenging technical problems where software performance directly impacts the overall capabilities of robotics platforms. What you will do Collaborate with cross-functional teams to design, build, and improve high-performance software components. Analyze large-scale systems to uncover and resolve performance bottlenecks. Support the delivery of software that meets the demanding requirements of robotics technology at Zoox. Location This role is based in Foster City, CA.

Zuora, Inc. enables organizations to move toward subscription-based business models, supporting companies as they build stronger customer relationships and pursue sustainable growth. The company’s platform helps partners develop new monetization strategies, engage subscribers, and deliver digital experiences. More information about Zuora’s approach can be found at zuora.com/modern-business. Location and Work Model This Senior Software Engineer position is based in Foster City, California. The role follows a hybrid schedule, with team members working onsite three days each week to promote collaboration and team connection. Fully remote arrangements are not offered for this role. Team Overview The authentication and OneID team manages user accounts for all Zuora products. This group handles the entire user lifecycle, aiming to provide a smooth experience for both administrators and end users. Their efforts support every product Zuora offers and form a core part of the company’s platform. Tech Stack Java Spring REST API Microservices Kafka NodeJS PostgreSQL AWS Kubernetes Terraform ReactJS What You Will Do Take ownership of projects and features throughout their lifecycle, from initial design to deployment. Refine code architecture and structure to improve testability and maintainability. Write, co-author, and review technical design documents. Join cross-team design reviews, offering technical guidance to strengthen execution and system reliability. Mentor junior engineers on an individual basis.

At Replit, we empower creativity through our innovative software creation platform, allowing users to develop applications effortlessly using natural language. With a thriving community of millions and over 500,000 businesses leveraging our tools, we're on a mission to democratize software development by eliminating traditional barriers.Role Overview:We are seeking a Senior Staff Software Engineer focused on monetization systems to spearhead our initiatives in this critical area. This role is pivotal in ensuring that our monetization strategies not only drive business success but also enhance user satisfaction. Your contributions will shape essential user journeys, as we believe that a seamless billing experience is vital to our users' enjoyment and success.Your Responsibilities:Design and implement robust monetization systems that align with Replit’s objectives.Craft intuitive payment experiences that cater to both product-led and sales-led strategies.Develop new APIs and abstractions to enable fellow engineers to effectively monetize their products.Refine pricing strategies and packaging tactics, including coupon codes and referral systems, to maximize revenue potential.Establish monitoring and feedback systems to proactively identify and resolve issues while optimizing performance metrics.Qualifications:Minimum of 6 years of engineering experience with a strong emphasis on backend development.Proven expertise in one or more areas such as:Subscription platformsUsage-based billing systemsSaaS taxationPayment processing systemsTokenization solutionsSelf-motivated and able to thrive in dynamic, ambiguous environments.Exceptional problem-solving skills with a knack for debugging complex billing challenges.Experience in building user-friendly billing interfaces that simplify intricate pricing models.Technologies We Utilize:Proficient in Python, TypeScript, React, Postgres, GraphQL, and Node.js.

Job Title: Hardware Engineer - Test Development Onsite in Foster City, CA | 5 days in office Travel within Bay Area will be required As a Hardware Engineer at Vertex Sigma Software, you will play a crucial role in the development, documentation, and execution of both component and system-level hardware testing. Your collaboration with suppliers, design engineers, and system engineers will be paramount in characterizing the functional performance of our innovative sense and compute hardware. You will handle development testing on early prototypes and qualification testing on modules intended for vehicle use. Projects will vary from interface compliance testing to creating specialized tools. We seek a proactive and enthusiastic individual eager to embrace challenges and contribute as a top-notch hardware engineer.Responsibilities:Testing ExecutionUtilize oscilloscopes, network analyzers, and various electrical/environmental test equipmentCreate test setups using block diagrams, Bills of Materials (BoMs), and test plansTest Infrastructure DevelopmentDesign custom test assets, including load simulators, test harnesses, and Python scriptsLead test infrastructure projects by cooperating with procurement and suppliersDocumentationDraft and present Test Plans, Design Reviews, Test Readiness Reviews, and Data ReviewsReview and advise on documentation releases for standards, design, and risk assessments

About the Internship Zoox is seeking a Software Engineering Intern focused on Perception Data at our Foster City, CA location. This role supports the development of software that improves how our autonomous vehicles understand and interpret their surroundings. What You'll Work On Collaborate with engineers to build and refine perception systems for autonomous vehicles Contribute to software projects that help vehicles navigate safely and efficiently Work alongside experienced professionals committed to advancing autonomous technology

Role Overview Replit is looking for a Staff Software Engineer to join the Agent Platform team in Foster City, CA. This hybrid role requires in-office presence on Mondays, Wednesdays, and Fridays. The team builds features that help users create and collaborate on code with less friction. What You Will Do Design and develop new features for the Agent Platform Improve existing systems to support collaborative coding Work closely with other engineers to deliver reliable, scalable solutions Location Foster City, CA (Hybrid). In-office days are Monday, Wednesday, and Friday.