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Senior Lead Python Jobs

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HC
HackerRank Careers
📍 Hybrid In Santa Clara• Hybrid• $150K – $172K/yr
6mo ago

HackerRank helps companies like NVIDIA, Amazon, and Microsoft hire and upskill the next generation of developers based on skills, not pedigree. Our platform is trusted by over 2,500 of the world’s most innovative companies to build strong engineering teams ready for what’s next. Software has entered an era where humans and AI build side by side. As this shift accelerates, the definition of strong technical talent is changing. We give companies better ways to identify and invest in next-generation skills. People at HackerRank care deeply about the impact of their work and sweat the small details so our customers can be wildly successful with products they genuinely love to use. We move with urgency and believe great outcomes come from high standards. About the role Every day, millions of developers use HackerRank to prove their skills. We're looking for a Senior Backend Software Development Engineer who can drive the technical direction of critical backend systems and lead the delivery of high-impact, platform-level initiatives. You will own the architecture and evolution of core backend services, mentor engineers across teams, and be a key technical decision-maker ensuring our platform remains fast, reliable, and scalable as we grow our global user base. What you’ll do Architect, design, and lead the implementation of complex backend systems and services that power core product experiences at scale. Define and drive technical strategy for your domain, making key decisions on system design, technology choices, and long-term architectural direction. Own the end-to-end reliability and performance of critical backend services, establishing SLOs, monitoring, and incident response best practices. Design scalable API frameworks and data models that serve as foundations for multiple product teams and external integrations. Lead cross-functional technical initiatives spanning multiple teams, coordinating with frontend, infrastructure, product, and design stakeholders. Identi

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HC
HackerRank Careers
📍 Hybrid In Bangalore• Hybrid
7mo ago

HackerRank helps companies like NVIDIA, Amazon, and Microsoft hire and upskill the next generation of developers based on skills, not pedigree. Our platform is trusted by over 2,500 of the world’s most innovative companies to build strong engineering teams ready for what’s next. Software has entered an era where humans and AI build side by side. As this shift accelerates, the definition of strong technical talent is changing. We give companies better ways to identify and invest in next-generation skills. People at HackerRank care deeply about the impact of their work and sweat the small details so our customers can be wildly successful with products they genuinely love to use. We move with urgency and believe great outcomes come from high standards. About the role Every day, millions of developers use HackerRank to prove their skills. We're looking for a Senior Backend Software Development Engineer who can drive the technical direction of critical backend systems and lead the delivery of high-impact, platform-level initiatives. You will own the architecture and evolution of core backend services, mentor engineers across teams, and be a key technical decision-maker ensuring our platform remains fast, reliable, and scalable as we grow our global user base. What you will do Architect, design, and lead the implementation of complex backend systems and services that power core product experiences at scale. Define and drive technical strategy for your domain, making key decisions on system design, technology choices, and long-term architectural direction. Own the end-to-end reliability and performance of critical backend services, establishing SLOs, monitoring, and incident response best practices. Design scalable API frameworks and data models that serve as foundations for multiple product teams and external integrations. Lead cross-functional technical initiatives spanning multiple teams, coordinating with frontend, infrastructure, product, and design stakeholders. Iden

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Join Artefact Belgium: Help our clients in their AI transformations Who We Are Artefact is a next-generation consulting firm dedicated to transforming organizations through data and AI. We combine the rigor of top-tier strategy consulting with deep expertise in AI applications to help clients achieve tangible business impact. Our Belgium office advises clients on their most pressing strategic challenges : from AI strategy and governance to digital transformation roadmaps and new business model design. Our inclusive and forward-thinking culture encourages creativity, collaboration, and professional growth. What You Will Do As a Senior Data Scientist specializing in the marketing domain, you will lead and conduct ambitious projects aimed at transforming clients through data. Your day-to-day responsibilities will include: Leading transformational projects: spearheading ambitious projects that utilize data to transform our clients’ operations and strategies. Developing data science solutions: creating innovative data science products and solutions for both clients and our internal data science team. Applying data science in marketing contexts: leveraging data science methodologies to enhance marketing analytics, customer segmentation, attribution modeling, and campaign optimization . Building client relationships: collaborating closely with your Consulting counterpart to understand client needs and strengthen relationships. Upskilling the team: contributing to the development of our data science team by sharing knowledge, mentoring junior Data Scientists, and promoting our work within other data departments. Ensuring quality deliverables: caring for team morale and ensuring that all missions are delivered to a high standard, providing feedback and support to less experienced team members. Optimising code: writing highly optimized code to advance Artefact’s internal toolbox and knowledge base. What you will learn with us: Real-World impact: deliver impactful projec

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Senior Engineering Manager — Lab Execution Platform : Women’s Health About the Role This is your chance to own a platform that lab scientists rely on every single day—and to rebuild it from the ground up. You'll lead maintenance of our off-the-shelf Lab Execution System while driving its transition to a custom, in-house platform. Every improvement you ship makes lab operations faster, makes scientists' lives easier, and ultimately helps improve patient health outcomes. The work is real, the impact is immediate, and the customers are just down the hall. You'll treat Lab Operations and R&D as your primary customers, partnering with them to build an intuitive, efficient, scalable Lab Execution platform they'll love using. You'll lead a small, sharp team in a fast-moving Kanban or Scrum workflow, lean hard into a "do more with less" mindset, and put AI to work multiplying what your engineers can accomplish. You'll stay close to the code while leading with impact and kindness, because the best teams are healthy teams. Key Responsibilities Technical Leadership & Development Own the design, build, and maintenance of both the off-the-shelf and custom Lab Execution platforms, keeping high-throughput lab processes running without a hitch. Build an AI-forward team that reaches for modern tooling to move faster and ship smarter. Stay hands-on—dive into the code and test the system yourself to make it better. Build and scale cloud-based microservices and front-end applications that power real lab workflows. Set the bar for technical excellence: reliability, performance, and a user experience people actually enjoy. Own the CI/CD pipeline and lock in quality with automated testing. Architect infrastructure that scales effortlessly and stays cost-smart. Customer-Focused Collaboration Be the bridge between engineering and lab users, turning real-time feedback into rapid improvements. Build tight relationships with Lab Operations, R&D, and stakeholders so their needs stee

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Data Analytics – Senior Consultant Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent Unlock insights. Empower decisions. Shape the future of financial services. The Role We're expanding our UK Data Practice and looking for talented Data Analytics Consultants to join our award-winning team. You'll lead cutting-edge data transformation programmes for top-tier Financial Services institutions, helping clients unlock value, improve operational efficiency and gain a competitive advantage through data-driven decision-making. You'll also embrace AI-enabled ways of working, using approved AI tools where appropriate to enhance analysis, accelerate delivery and improve the quality of client outcomes while applying sound judgement and responsible AI practices. What You'll Do Lead and deliver complex data analytics initiatives across major Financial Services clients, translating data into meaningful business insights and measurable outcomes. Apply predictive modelling, segmentation and risk analytics to solve client challenges, leveraging AI-enabled analytical techniques where appropriate to accelerate insight generation and support better decision-making. Design and develop dashboards using Power BI, Qlik or Tableau, delivering intuitive visualisations that enable business stakeholders to act with confidence. Interpret large, complex datasets and provide actionable recommendations through advanced analytical techniques, combining technical expertise with critical thinking and human judgement. Support the growth of Capco's UK and Global Data Practice by contributing to innovation across analytics, AI and machine learning, sharing knowledge and encouraging modern, AI-enabled delivery approaches. What We're Looking For Strong ability to acquire, manipulate, analyse and interpret large volumes of complex data to solve business problems. Experience delivering predictive and diagnostic analytics across areas such as customer lifetime value, risk scorin

pythonsqlmachine learning
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V
Vise
📍 New York• $175K – $210K/yr
12mo ago

Location: Onsite – SoHo, New York City At Vise, we're building the future of investment management—powered by technology and driven by advisor needs. As a Senior Investment Strategist, you will play a key role in shaping our investment research, portfolio design, and platform capabilities. Reporting directly to the Co-CIO and working closely with our investment and product teams, you’ll lead research initiatives, design innovative portfolio strategies, and translate complex investment ideas into scalable, technology-driven solutions. This role is ideal for a highly analytical, market-savvy investment professional who excels at solving complex problems, developing differentiated strategies, and driving thought leadership. You’ll focus primarily on research, portfolio design, and the strategic frameworks that underpin our investment approach—while also collaborating cross-functionally to bring these ideas to life on the Vise platform. While this is a research-forward role, a client-first mindset is essential; you must be equally comfortable communicating with internal stakeholders and engaging with advisors when needed to ensure our solutions meet their evolving needs. What you bring on day one: Experience 5+ years of experience in investment research, portfolio strategy, or asset management Expertise in asset allocation, portfolio construction, risk modeling, or security selection Familiarity with advanced portfolio techniques such as direct indexing, tax optimization, factor investing, and systematic strategies Demonstrated success in developing and scaling investment frameworks or productized solutions Proficiency in Python and SQL to support research workflows, performance analysis, and custom data modeling Bloomberg fluency and experience with portfolio analytics platforms Experience working with product and engineering teams to build investment solutions into digital platforms Experience authoring investment research and/or white papers, or marketing comme

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S
Sureify
📍 Canada• Remote
Just now

The Role We’re looking for a Senior DevOps Engineer to help scale and operate the infrastructure behind our platform. This is a hands-on individual contributor role focused on cloud infrastructure, automation, and reliability. You’ll partner closely with engineering teams to improve system performance, strengthen security, and enable fast, reliable deployments. What You’ll Do Design and operate scalable AWS infrastructure. Build applications with containerization technologies such as Docker and orchestration tools like Kubernetes. Implement robust monitoring and logging tools (e.g., NewRelic, DataDog, Grafana, etc). Build and manage infrastructure as code using Terraform Improve CI/CD pipelines (Jenkins and GitHub Actions) to accelerate delivery Troubleshoot production issues and lead root cause analysis Build and work in complex SDLC environments Collaborate with engineering teams to streamline development and deployment workflows What You Bring 6–10 years in DevOps, SRE, or infrastructure engineering Strong hands-on experience with AWS in production environments Experience with Kubernetes and containerized systems Proficiency with Terraform (or similar IaC tools) CI/CD experience (GitHub Actions, Jenkins, or equivalent) Scripting skills (Bash, Python, or similar) Solid Linux/Unix fundamentals Why Sureify Build systems that support millions of users Work in a high-growth, engineering-driven SaaS company Remote-first across the Americas Competitive compensation, equity, and flexible PTO Our Guiding Principles Our products are for nothing if their creators are not fulfilled in their work. We want our employees to flourish at Sureify. We do not fawn over status or titles, instead, we honor effort and intelligence. The best idea wins no matter which colleague proposed it. We do not shortcut our mission with overblown claims or false promises. Sticking to the truth is both a strategy and a principle for us. Sureify is an Equal Opportunity Employer committed to div

REMOTEpythonawsdocker
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PG
PlayStation Global
📍 Dublin• €87.8K – €131.8K/yr
2 days ago

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. We are looking for an experienced Senior Data Engineer to design, develop and operate trusted, scalable data solutions that power decision-making and transformation across Sony Interactive Entertainment (SIE). Working within Enterprise Data Engineering, you will build reusable data pipelines, integration services and curated data products for business domains including Finance, Supply Chain, IT Operations, People & Places, and Sales & Operations. You will partner with engineering, platform, product and business teams, take end-to-end ownership of complex solutions, and raise engineering standards through technical leadership and mentoring. You will help create reliable, governed and AI-ready enterprise data foundations. Responsibilities Design and deliver enterprise data solutions · Design, build, test and maintain robust batch and near-real-time data pipelines and ETL/ELT workflows across enterprise systems, APIs, SaaS platforms and cloud data environments. · Develop reusable, well-documented data models and domain-aligned data products, translating complex business logic into reliable engineering solutions. · Lead technical design for assigned initiatives, e

pythonsqlaws
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C
Cohere
📍 Canada• Full-time• Remote• $205K – $315K/yr
2 days ago

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Why this role? This role is for a highly experienced Back-End Software Engineer who wants to work on core systems that shape how the platform (Model Vault) operates. You will help define the architecture of the platform where reliability, security, performance, and simplicity all matter, and where many of the problems do not have off-the-shelf solutions. Model Vault is Cohere’s inference platform for deploying and operating models securely at enterprise scale. The team owns the systems between a customer and the underlying AI infrastructure, including identity, deployments, metering, billing, security, privacy, and confidential computing. We are strengthening these systems as Model Vault grows, with the goal of scaling to millions of users and supporting some of the world’s most demanding enterprise workloads. As a Senior/Staff Software Engineer, you will: Evolve and scale the backend systems that power Model Vault, including authentication and authorization, deployment management, billing, metering, and customer lifecycle. Lead major architectural initiatives across identity, payments, usage systems, platform scalability, and o

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DU
Defense Unicorns
📍 Minnesota, United States• Remote• $148.8K – $201.3K/yr
2 days ago

EMPLOYER IS A CONTRACTOR FOR THE U.S. GOVERNMENT. THIS POSITION REQUIRES U.S. CITIZENSHIP. Role Description: We are seeking a talented and motivated Solutions Architect to join our dynamic team. As a Solutions Architect, you will be responsible for delivering exceptional guidance, support, and enablement focused on our Unicorn Delivery Service projects and capabilities. You will work closely with technical groups driving towards mission impact, providing technical expertise, proactive assistance, and strategic insights to maximize mission impact. This role is instrumental in ensuring a seamless and successful customer experience throughout the initial engagement and transition to longer-term execution. Responsibilities Act as the primary point of contact and trusted advisor for customers and their technical needs, challenges, and goals. Lead, mentor, and develop a team of engineers, fostering a culture of continuous learning, growth, and support of customer engagements. Understand and articulate the technical competency and impact of engineers on the team. Understand Defense Unicorns' products and philosophy. Assist the team in discovery and framing efforts across the industry. Identify and implement process improvements to increase team efficiency and effectiveness. Assist with demonstration and content creation on products. Manage the "proof of concept" work. Build and maintain continuous delivery (CI/CD) pipelines. Build, deploy, test, and troubleshoot UDS Bundles, Zarf packages, and UDS packages. Collaborate with cross-functional teams for brainstorming, research, and innovative growth strategies. Conduct market research and competitor analysis to identify growth opportunities. Stay up-to-date with industry trends, best practices, and emerging technologies related to growth hacking and user acquisition. Experiment with new tools, techniques, and technologies to improve growth outcomes. The listed responsibilities are not exhaustive and additional responsib

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S
Snowflake
📍 Central, Singapore• Full-time
2 days ago

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Senior Solution Engineer (Expansion Patch) As a Senior Solution Engineer, you will be a strategic technical leader for Snowflake’s existing enterprise customers in Singapore, with a primary focus on Financial Services (FSI) and Digital Native sectors. You will partner closely with Account Executives to drive adoption, workload expansion, and multi‑line-of-business growth across your accounts. You will act as a trusted advisor to senior technical and business stakeholders, guiding them on how to use Snowflake as the core of their data, analytics, and AI strategy. This is a field-facing, customer-first role that combines deep technical skills, strong industry context , and the ability to design and communicate high‑impact architectures. KEY RESPONSIBILITIES: Drive Adoption in Existing Accounts Own the technical expansion strategy for a portfolio of Snowflake customers in Singapore. Identify and map customer business objectives to workloads, use cases, and lines of business that will benefit from Snowflake AI Data Cloud. Solution Design, Demos & POCs Design and deliver compelling demos and technical narratives tailored to each customer’s architecture and use cases. Lead and execute POCs/Pilots that prove value and de‑risk platform decisions, including success criteria defi

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Nvidia
📍 Santa Clara, United States
2 days ago

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

pythonartificial intelligenceai
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A
Altana
📍 Brooklyn• $170K – $200K/yr
2 days ago

Altana is the network for trusted trade. Our AI-powered product network empowers governments and businesses to build a more resilient and secure global economy while keeping trade flowing. The Opportunity at Altana The Engineering team is responsible for building out the product for bringing this vision to life. We are creating a platform fundamentally driven by AI, which scales to a massive trove of data, and a diverse customer base; it is a complex system that will stretch engineering in many directions. Shipping products that customers actually adopt, not just products that ship, takes a particular kind of engineering practice. It means starting inside the customer’s workflow rather than at the ticket. It means treating every release as a hypothesis you can prove or disprove. It means reaching for AI as a primary building block, not a feature you bolt on at the end. And it means owning a product end‑to‑end, from the first conversation through the telemetry six months later. As a Senior Engineer at Altana, that’s the work and you’ll lead others doing it. You’ll embed with product and design, get on calls with users, form hypotheses about where the real pain is, and lead a small team turning those hypotheses into shipped, adopted products. You’ll measure your work in customer outcomes, not commits. You Will Spend real time with customers. Sit alongside them in their workflows, watch where they get stuck, and translate what you learn into product bets your team is willing to ship behind. Partner with the product team to decide what to build, not just how . Form hypotheses about customer value, design the smallest experiment that could prove them out, and learn fast. Push back on briefs that aren’t grounded in evidence. Take new product surfaces from 0 to 1. Pitch, prototype, ship, and drive adoption with real users. You are as fluent in “did this land?” as you are in “is this maintainable?” Build AI‑native by default . LLMs, agents, evals, r

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Senior Site Reliability Engineer (SRE) / Managed Services Engineer Who We Are Horizon Trading Solutions is an independent global technology company focused on electronic trading, supporting agency and principal business goals across equities and derivatives. With over 20 years of experience, Horizon provides a powerful multi-asset trading platform with direct connectivity to more than 80 exchanges worldwide, enabling clients to deploy sophisticated trading strategies across global markets. As our Managed Services and SaaS activities continue to grow across APAC, we are looking for a Senior Site Reliability Engineer (SRE) to join our Hong Kong team and play a key role in delivering highly available, secure, and performant trading infrastructures for our clients. Role Overview The Senior SRE Engineer will be responsible for designing, deploying, operating, and continuously improving the infrastructure supporting Horizon's hosted and managed trading platforms. Working closely with Infrastructure, Development, Product, and Client Services teams, you will ensure the reliability, security, performance, and scalability of critical production environments deployed on premises, in colocation facilities, and in cloud environments. This is a hands-on engineering role suited to someone passionate about operational excellence, low-latency infrastructures, automation, and financial technology. Key Responsibilities Platform Reliability & Operations Ensure high availability and operational readiness of Horizon's managed trading platforms. Monitor, maintain, and optimize production environments through proactive health checks, performance tuning, upgrades, and preventive maintenance. Diagnose and resolve infrastructure, network, database, and application incidents to minimize service disruption and meet service level objectives. Respond proactively to infrastructure alerts and client issues, lead deep-dive root cause analyses, and drive continuous improvement initiatives to enha

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S
Snowflake
📍 Central, Singapore• Full-time
3 days ago

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. As a Senior Solution Engineer – Public Sector at Snowflake, you will partner closely with Sales, Customer Success, Product, Engineering, and Marketing to drive ongoing success and growth within our existing Public Sector customer base in Singapore and the broader ASEAN region. You will act as a trusted technical advisor, helping government agencies and public sector institutions realize full value from the Snowflake Data Cloud, expand their workloads, and adopt new capabilities such as AI/ML and data applications. This role requires a blend of deep technical expertise, strong knowledge of the public sector landscape , and excellent customer engagement skills. You will lead technical discovery, architect new use cases on top of existing deployments, deliver compelling demonstrations, and guide customers through proof-of-value and production expansion. A strong understanding of the Singapore and ASEAN public sector regulatory environment (e.g., IM8, GovTech policies, data residency, cloud security and compliance requirements) is essential. RESPONSIBILITIES: Partner with Account Executives and Customer Success Managers to identify, qualify, and execute expansion opportunities within existing Public Sector accounts (new workloads, users, departments, and data products). Present

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