Principle Fac Engineer Jobs

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Automation is the key to creating highly reliable and secure large-scale software systems. Are you someone who engineers solutions to problems rather than simply fixing the same thing over and over again? Can you protect Smartsheet against attackers? We are looking for a Senior DevSecOps Engineer to join our global Security Operations team. In this critical role, you will be a leader in maturing our security and reliability posture by treating both as software engineering challenges. You will engineer and operate a highly reliable, scalable, and defensible production environment, directly impacting our ability to deliver a world-class service to our customers 24/7. This is a unique opportunity to blend deep expertise in Site Reliability Engineering (SRE) and modern Security Operations, working at the intersection of infrastructure, automation, and security to build a platform that is resilient and secure by design. You Will: Engineer Secure and Resilient Infrastructure: Design, build, maintain, and improve secure, scalable, and highly available infrastructure in our multi-cloud environment (primarily AWS) using Infrastructure as Code (IaC) principles with tools like Terraform, Kubernetes, and Helm. Automate Proactive Security: Engineer an

Data Science Manager Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent Shape intelligent solutions. Lead with insight. Drive data innovation. The Role We’re looking for a Data Science Manager to lead innovative projects that apply data, AI, and machine learning to solve complex challenges across financial services. You’ll guide talented data professionals, collaborate closely with business stakeholders, and drive impactful, scalable solutions that deliver measurable business value. You'll champion AI-enabled ways of working, encouraging the responsible use of approved AI tools and automations to improve delivery quality, productivity, and insight while maintaining appropriate human oversight and governance. What You’ll Do Lead data science teams to design, develop, and deploy advanced machine learning and AI solutions. Drive the adoption of cutting-edge technologies including generative AI, LLMs, and agentic AI frameworks, while promoting responsible AI practices, governance, and appropriate human review throughout the delivery lifecycle. Collaborate with business and technology teams to align technical outcomes with strategic goals, leveraging AI-enabled workflows where appropriate to accelerate insight and delivery. Provide thought leadership and best practices across the data science lifecycle, from exploration to deployment, including scalable MLOps, model governance, and responsible AI implementation. Mentor and develop data professionals, fostering a culture of innovation, continuous learning. What We’re Looking For Proven experience leading the delivery of data science or AI projects from concept to production. Strong knowledge of Python and core ML libraries (e.g., spaCy, NumPy, SciPy, Transformers). Understanding of big data and cloud technologies (Spark, Hadoop, Azure, AWS, or GCP). Deep expertise in MLOps principles, scalable model deployment, model governance, and the practical application of responsible AI within enterpri

The following description is not intended as an exhaustive list of all responsibilities, duties and skills required of personnel so classified. Management retains the discretion of adding or changing the duties of the position at any time. The Test Engineer is responsible for conducting performance, safety, and functional testing of battery products to ensure compliance with company and industry standards. This role involves test planning, data collection, analysis, and reporting, as well as identifying and resolving product or process issues during testing. JOB DESCRIPTION • Perform static, safety, functional, and fire protection tests on battery products, including liquid injection operations. • Conduct dynamic performance testing to verify battery reliability and compliance with technical standards. • Record, analyze, and interpret test data; prepare and submit detailed test reports. • Apply knowledge of electrical and electronic circuits, component selection, and electrical safety standards. • Troubleshoot and resolve testing-related issues using strong analytical and hands-on problem-solving skills. • Follow established testing procedures and ensure all test results are accurate, traceable, and compliant with specifications. • Report any anomalies or failures immediately to the responsible engineer or supervisor and assist in corrective actions. • Maintain and calibrate testing instruments; ensure testing areas are clean, organized, and compliant with safety requirements. • Support continuous improvement in testing methods and product quality through feedback and data-driven insights. • Apply basic quality management principles and contribute to product reliability enhancement. COMPETENCIES • Technical Proficiency: Strong understanding of battery testing procedures, electrical systems, and safety protocols. • &nbs

Who Are We? Postman is the world’s leading API platform, used by more than 45 million+ developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration—enabling users to create better APIs, faster. The company is headquartered in San Francisco and has offices in Boston, New York, Austin, Tokyo, London, and Bangalore - where Postman was founded. Postman is privately held, with funding from Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Learn more at postman.com or connect with Postman on X via @getpostman. P.S: We highly recommend reading The "API-First World" graphic novel to understand the bigger picture and our vision at Postman. The Opportunity As a Member of Technical Staff and AI Agent Development Lead, you will lead the design, development, and deployment of next-generation AI agents that interact with users and complex environments. You will drive the architecture and implementation of scalable, reliable AI systems, working closely with research, product and engineering teams to build safe, interpretable, and performant AI technology. What You’ll Do Lead a cross-functional engineering team focused on AI agent development, from conceptual design to production deployment. Design and implement AI agent architectures leveraging state-of-the-art language models and associated technologies. Collaborate with research scientists on scalable experiments and productize research innovations. Drive the development of agent capabilities including dialogue management, decision making, and autonomy. Ensure AI safety and alignment principles are integrated throughout the agent lifecycle. Mentor and grow technical staff, fostering an environment of collaboration and innovation. Evaluate new tools, frameworks, and methodologies to enhance AI agent capabilities. Partner

Who Are We? Postman is the world’s leading API platform, used by more than 45 million+ developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration—enabling users to create better APIs, faster. The company is headquartered in San Francisco and has offices in Boston, New York, Austin, Tokyo, London, and Bangalore - where Postman was founded. Postman is privately held, with funding from Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Learn more at postman.com or connect with Postman on X via @getpostman. P.S: We highly recommend reading The "API-First World" graphic novel to understand the bigger picture and our vision at Postman. The Opportunity As an Applied Scientist specializing in Small Language Models and AI Training, you will lead research and development efforts focused on building efficient, high-performance language models tailored for practical applications. You will work closely with research, engineering, and product teams to advance model training techniques, optimize architectures, and scale AI solutions. Your work will directly contribute to AI systems that are safe, interpretable, and impactful across diverse usage scenarios. What You’ll Do Lead research and development of novel training methodologies and architectures for small and efficient language models. Design, implement, and evaluate model training experiments to improve performance, robustness, and generalization of language models. Collaborate closely with research scientists and engineers on scalable training pipelines and model deployment strategies. Develop techniques for model compression, fine-tuning, and domain adaptation to optimize models for real-world applications. Ensure AI safety, fairness, and alignment principles are integrated into model training processes and evaluat

We value talented professionals who are eager to contribute to our organization, even when there may not be an immediate opening that matches their background. If you believe your skills and experience could be an asset to Liventus, we encourage you to submit your resume for future consideration. Our team regularly reviews submitted applications and will reach out should an opportunity arise that aligns with your qualifications. Thank you for considering Liventus as a potential employer; we appreciate your interest in joining our team. Who We Are Since our founding in 2002, Liventus has been dedicated to delivering exceptional services to our clients—and the same standard applies to our team. We continually invest in our employees by providing resources, tools, and ongoing learning opportunities to help them thrive and advance in their careers. At Liventus, you’ll join a top-ranked global custom software developer that’s transforming the Fintech and eCommerce industries. We place a strong emphasis on continuing education, ensuring our staff are equipped with secure coding practices and the latest industry knowledge. It’s no surprise that 93% of our employees say Liventus is a great place to work, compared to just 57% at a typical U.S.-based company. Our guiding principles—innovation, integrity, value creation, teamwork, and expertise—shape everything we do and foster a supportive, growth-oriented culture. These core values drive our vision and inspire us to bring out the best in one another. At Liventus, we are always striving for improvement, with our values firmly at the heart of our everyday practices.

About the Team Security is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity. The Security team protects OpenAI’s technology, people, and products. We are technical in what we build but are operational in how we do our work, and are committed to supporting all products and research at OpenAI. Our Security team tenets include: prioritizing for impact, enabling researchers, preparing for future transformative technologies, and engaging a robust security culture. About the Role OpenAI is seeking a Security Engineer to join our Infrastructure Security (InfraSec) team. InfraSec protects the foundations of OpenAI’s research and production environments, spanning GPU supercomputing clusters, multi-cloud infrastructure, datacenters, networking, storage, and the critical services that power our frontier AI models. Our charter includes securing everything from bare-metal hardware and firmware, to Kubernetes clusters and service meshes, to data storage and access pathways for highly sensitive model weights and user data. In this role, you will: Design and build security controls across diverse layers (e.g., physical hardware, firmware/BMC, OS, Kubernetes, networks, and CI/CD) to defend against sophisticated adversaries and insider threats. Collaborate with engineering and security teams to drive deployment of security enhancements and control changes across broad-scale infrastructure. Tackle high-impact projects such as checkpoint encryption, network isolation, secret management, and machine identity, while continuously raising the security bar for emerging AI workloads. Take a generalist approach to building security controls, balancing a mix of security expertise and broad technical skillsets to adapt to evolving challenges. You will thrive in this role if you have: Deep understanding of security principles, best practices, and common vulnerabilities. A proactive mindset, with the ability to identify and address secu

About the Team The New Verticals team is building the future of local commerce by expanding DoorDash’s product offerings across Australia and New Zealand. This role sits within Drive, one of DoorDash’s fastest-growing businesses and a key strategic pillar for the company. The Drive team is responsible for the operations, development, and growth of Drive’s product suite which is our white-label solution that enables merchants to offer on-demand delivery directly through their own channels, powered by DoorDash’s logistics network. We’re looking for someone excited to thrive in a dynamic environment and contribute to our global mission of empowering and growing local economies. About the Role As a Senior Associate on the ANZ International New Verticals S&O team, you’ll focus on supporting key functions within our Drive business across our Grocery, Convenience, Alcohol, Health and Retail verticals. In this role, you’ll plan and execute strategic and operational initiatives for our largest Enterprise accounts, working with a wide array of cross-functional teams like partnerships, product, engineering, finance, and analytics. You will report into Associate Manager - Drive Lead, ANZ New Verticals. This is a hybrid role, with three days a week in the office and two days remote. You’re excited about this opportunity because you will… Strategise – From first principles, you’ll design vertical and account strategy for the ANZ New Verticals business—balancing growth with sustainable cost structures. Operate – Own tracking dashboards and manage week-over-week metrics for the various accounts you’ve been assigned to. You'll identify drivers of trends and develop plans to improve results. Analyse – Build models using Google Sheets and SQL to evaluate the economic, operational, and strategic impact of different initiatives—helping shape data-driven decisions that balance business costs with merchant delivery quality. Experiment and Execute – Turn strategy into actio

This role is part of our Prerender team, one of our growing brands at saas.group. For nearly a decade, Prerender has empowered marketers to create dynamic, complex sites at scale, making their JavaScript websites easily indexable by search engines. We eliminate indexing and crawling limitations, allowing our customers to gain the upper-hand on HTML sites and rank higher on SERPs. More than 100,000 websites around the globe trust Prerender to serve more than 2.7 billion web pages to crawlers to improve organic search ranking. Profile Overview As a Staff Engineer at Prerender , you amplify effectiveness across teams, systems, and practices. You’re deeply hands-on, but your biggest impact comes from enabling others to move faster, safer, and with greater confidence. You lead major architectural evolutions, coach engineers in XP principles, and help teams make sound technical decisions that scale across the organization. This role combines strategic thinking with practical execution; you’ll shape the technical direction of our distributed rendering platform, align teams on shared goals, and create the conditions for consistent, high-quality delivery. If you’re motivated by simplifying complexity, raising the bar for technical excellence, and empowering others to do their best work, you’ll thrive here. 🚀 What You’ll Do Lead by doing: Contribute to core systems while modeling high standards in code quality, testing, and design. Guide architectural evolution: Drive cross-team initiatives that move our systems toward simplicity, scalability, and testability. Coach and mentor: Support engineers at all levels through pairing, design reviews, and hands-on coaching in XP practices. Simplify complexity: Design elegant solutions to deep technical challenges in performance, reliability, and distributed rendering. Unblock and empower: Spot risks early, resolve systemic bottlenecks, and establish good defaults that let teams move quickly and confidently. Champion sustainable

Job Title: Clinical, Counselling or Forensic Psychologist Banding: Band 7–8b (depending on experience) Location: Multiple Residential Sites across Manchester Working Hours: Full-Time (On-site only) Salary: Competitive, dependent on experience (Band 7–8b) Pulse are recruiting an HCPC registered Psychologist to join a specialist residential service supporting children and young people with complex trauma, autism, and learning disabilities. This is a full-time, on-site role working across several sites in the greater Manchester region. Sponsorship is available for eligible applicants (must be HCPC registered), and the role offers a unique opportunity to lead psychological therapies within a trauma-informed framework. Responsibilities: As a Psychologist, you will: Deliver specialist psychological assessments and therapy to children and young people with severe and enduring mental health needs. Formulate and implement evidence-based treatment plans tailored to individual needs. Lead psychological input across services, embedding trauma-informed care principles. Provide consultation, guidance, and supervision to non-psychologist colleagues, trainees, and assistants. Contribute to service development through research, audit, and teaching. Work closely within a multi-disciplinary team, maintaining autonomy within professional guidelines. Benefits: Sponsorship available for eligible candidates Mileage paid at £0.45 per mile (after first 20 miles from home) Private medical insurance post-probation Confidential Employee Assistance Programme Opportunities for further training in CFT, DBT, Dynamic Dyadic Psychotherapy, and Systemic Practice Qualifications and Experience: We welcome applications from candidates who: Are HCPC-registered Psychologists Have experience working with children and young people, ideally in residential or trauma-informed settings Are confident in psychological formulation and therapeutic delivery across a range of models Can work both in

Who we are About Stripe Stripe 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. About the team The Seller Systems team is dedicated to empowering sellers and stakeholders at Stripe by streamlining and optimizing the selling process. This is a top priority for Stripe as it expands its enterprise revenue globally. We build tools and systems to make the end-to-end selling process across initial contact with customers, deal modeling, negotiation, approvals, contracting, onboarding, and activation absolutely world class. We treat this area as an engineering problem from first principles, implemented with a hybrid architecture of first-party-developed custom Stripe components interoperating with third-party standard business components. Our vision is to be able to offer a single plane of glass experience to our Sellers at Stripe, to allow them to leverage AI through workflows that allow them to minimize overhead and increase their time on increasingly efficient selling. What you'll do As a Staff Engineer in Seller Systems, you'll be a technical anchor for one of Stripe's highest-priority engineering investments—building the infrastructure that powers how Stripe sells to and wins customers globally. You'll own and drive multi-year technical strategy across a complex hybrid architecture of first-party Stripe systems and third-party platforms (including Salesforce), while directly shaping the seller experience across the full quote-to-cash lifecycle. You'll set the architectural direction and be a multiplier across teams—owning end-to-end tech

Scale is growing rapidly, and joining the Global Public Sector team is an opportunity to work on one of the most exciting and quickly expanding teams at Scale. This team is responsible for generating, executing, and fostering Scale’s work with governments and government-backed entities outside of the United States. We develop bespoke solutions that leverage our customers’ proprietary data and expertise to transform their organizations with AI. We work with them to understand their pain points and workflows and then forward deploy our team to build cutting-edge solutions. The applications we build are powered by the Scale GenAI Platform, a full stack product to build, test and deploy frontier AI systems. Developing custom AI applications Building custom LLMs Providing high-quality training data for research and government institutions building LLMs Developing partnerships to foster regional talent growth and AI adoption We are looking for an entrepreneurial and experienced product leader to play a pivotal role in the ideation and development of transformative AI solutions. The ideal candidate has deep experience with AI/ML application development, can think strategically about how to solve a problem, is an excellent listener, is comfortable getting into the weeds operationally, and has a strong understanding of software engineering principles and practices. You will be responsible for owning large AI projects for one or many customers. You will lead a cross-functional team of engineers, MLEs, and operators to build a highly impactful solution for our customers that will drive millions in revenue for our business as well. Responsibilities: Lead design workshops with the client to define custom AI solutions Scope out new AI application use cases across various government entities Lead cross-functional development of AI applications and custom LLMs with diverse stakeholders (Engineering + Ops + Go-to-Market) Consistently engage with future end-us

P-1451 At Databricks, we are passionate about helping data teams solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to improve their business. As a Software Engineering Intern, you will join a team of engineers to build features that contribute directly to the Databricks platform. We're hiring across all of our teams, including full stack, backend, infrastructure, systems, tools, cloud, databases, and customer-facing products. You will have a dedicated mentor and will join our 2027 intern cohort where you'll connect with engineers, other interns, and leaders from across the company. We are hiring Software Engineering Interns across multiple offices. Please apply for the single location that you're the most interested in, and we will discuss more with you as you move through the process. We can only consider one application in 30 days. The impact you will have: Work with a team to build features for the Databricks platform Manage your project end-to-end, including design, code, and feedback Learn about building a platform that scales quickly while maintaining quality and security What we look for: You will graduate between fall 2027 and summer 2028 with a degree in Computer Science, Engineering, or related subject You have implementation skills with a general purpose program language, such as Python, Java, or C++ You have good knowledge of algorithms, data structures, and OOP principles You are excited to solve ambiguous problems with a collaborative team About Databricks Databricks is the Data and AI company. More than 20,000 organizations worldwide — including adidas, AT&T, Bayer, Block, Mastercard, Rivian, Unilever, and 70% of the Fortune 500 — rely on the Databricks Data + AI Platform to build and scale data and AI apps, analy

About the Team The New Verticals team is building the future of local commerce by expanding DoorDash’s product offerings across Australia and New Zealand. This role sits within Drive, one of DoorDash’s fastest-growing businesses and a key strategic pillar for the company. The Drive team is responsible for the operations, development, and growth of Drive’s product suite which is our white-label solution that enables merchants to offer on-demand delivery directly through their own channels, powered by DoorDash’s logistics network. We’re looking for someone excited to thrive in a dynamic environment and contribute to our global mission of empowering and growing local economies. About the Role As a Senior Associate on the ANZ International New Verticals S&O team, you’ll focus on supporting key functions within our Drive business across our Grocery, Convenience, Alcohol, Health and Retail verticals. In this role, you’ll plan and execute strategic and operational initiatives for our largest Enterprise accounts, working with a wide array of cross-functional teams like partnerships, product, engineering, finance, and analytics. You will report into Associate Manager - Drive Lead, ANZ New Verticals. This is a hybrid role, with three days a week in the office and two days remote. You’re excited about this opportunity because you will… Strategise – From first principles, you’ll design vertical and account strategy for the ANZ New Verticals business—balancing growth with sustainable cost structures. Operate – Own tracking dashboards and manage week-over-week metrics for the various accounts you’ve been assigned to. You'll identify drivers of trends and develop plans to improve results. Analyse – Build models using Google Sheets and SQL to evaluate the economic, operational, and strategic impact of different initiatives—helping shape data-driven decisions that balance business costs with merchant delivery quality. Experiment and Execute – Turn strategy into actio

About Dot Collective We are a new generation consultancy based across UK and EU and founded on the premises of the engineering excellence and empowering people to make an impact. We work with all modern tech stacks and typically run agile scrum on all our projects. About you Are you passionate about data and its transformational powers? Do you like being able to make a huge difference in a limited period of time? We might be just the right place for you. Your key skills and capabilities: Strong SQL and Python skills Data modelling experience (dimensional, relational, or similar) Experience building and maintaining backend systems Familiarity with Microsoft Azure Understanding of APIs, containers, and backend development best practices Implementing cloud-native data platforms Engineering scalable and reliable pipelines Good knowledge of distributed computing with Spark Understanding of cloud architecture principles and best practices Hands-on experience in designing, deploying, and managing cloud resources Agile ways of working Experience in cloud automation and orchestration using tools such as CloudFormation or Terraform Monitoring and performance tuning of cloud-based applications and services Nice to haves: Experience with Snowflake, dbt, CubeJS Experience with Databricks, PySpark, ML workflows Experience with containerized deployments (Docker, Kubernetes, Azure Container Apps). Frontend development experience (React, Next.js, TypeScript) Infrastructure-as-code (Terraform, CloudFormation) Model Deployment & Serving – Deploy and manage ML models using MLflow, Azure ML, SageMaker, or similar, ensuring scalability and performance Monitoring & Retraining – Set up model drift detection, performance monitoring, and automated retraining ML Pipelines & CI/