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Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. The Financial Platform Issuing team owns the card issuing platform that serves every Block brand - powering Cash App Card, the fourth-largest debit card program in the US, alongside Square Card and the new card programs Block launches next.

YEAR

Block Inc

Staff Software Engineer, Financial Platform - Issuing

Engineers work with a combination of smaller models developed internally and larger open-source models, with a strong emphasis on shipping systems that operate against real enterprise workloads. The company's technology combines computer vision, vision-language models, and large language models to process difficult real-world documents and make their information usable by downstream AI systems and enterprise applications.

Recruiting From Scratch

Machine Learning Engineer

This is a highly technical role requiring strong expertise in software engineering, distributed systems, cloud platforms, AI/ML, and enterprise integrations, with a focus on building production-grade solutions at scale. You will also contribute to the end-to-end AI lifecycle-from data ingestion and model integration to evaluation, deployment, monitoring, and continuous improvement-ensuring AI-powered capabilities are accurate, explainable, reliable, secure, and production-ready.

Walmart Inc

Staff, Software Engineer

To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. Our scope spans the full developer lifecycle: CI (continuous integration) and build infrastructure, test experience, delivery systems, artifact storage and distribution, internal developer platforms, and the agentic AI tooling that is redefining how engineers move from idea to production.

CoreWeave Inc

Senior Software Engineer, Developer Experience

You will build on the patterns and templates the team has already established, improve integration between the ML platform and Baton's core transportation management platform, and make it easier for engineers to develop, ship, and maintain models end to end. Develop and Productionize Machine-Learning Models: Bring new machine-learning models into production, including developing select models from initial concept through deployment.

Baton Trucking, Inc.

Software Engineer, MLOps - Machine Learning

Our founding team comes from the AI labs at Stanford and Carnegie Mellon and our board of directors include famed robotics and AI legends including Fei-Fei Li (Chief Scientist of AI at Google and Director of Stanford's AI Lab), Marc Raibert (founder of Boston Dynamics), and Sebastian Thrun (founder of GoogleX, Waymo; Stanford Professor and considered the father of autonomous vehicles). You''ll work at the core of the mechanical discipline: machine design, structural and stress analysis, GD&T and tolerancing, materials, and design for manufacturing - and you''ll partner closely with controls, electrical, embedded, and perception teams to integrate your designs into complete robotic systems.

Nimble Robotics Inc

Senior Mechanical Engineer

In financial crimes risk management, Quantifind's solution uniquely combines internal financial institution data with public domain data to assess risk in the context of Know Your Customer (KYC), Customer Due Diligence (CDD), Fraud Risk Management, and Anti-Money Laundering (AML) processes. As a Senior Platform Engineer at Quantifind on our Platform Team in Palo Alto, CA, you will work on Quantifind's Apache Spark batch infrastructure to generate risk signal results from diverse data sources such as Sanctions, PEP records, Negative News, Court & Arrest records, and much more.

Quantifind, Inc.

Senior Software Engineer Scala

We're consistently recognized as a leader in the industry: a Leader in the Forrester Wave and Gartner Magic Quadrant for Contract Lifecycle Management, a Fortune Great Place to Work, and one of Fast Company's Most Innovative Workplaces. Deep experience designing and evolving large-scale, distributed SaaS or platform architectures (e.g., multi-tenant systems, event-driven systems, or data platforms).

Ironclad Inc

Principal Engineer

Key responsibilities include: Design, develop, and maintain components of a scalable and secure ML platform supporting the machine learning lifecycle, from data ingestion and model training to deployment and monitoring. You''ll work closely with Data Scientists, Data Engineers, MLOps engineers, and Product Engineering teams to build reliable, secure, and scalable ML platform capabilities.

Guidewire Software Inc

Senior Machine Learning Engineer - AI/ML

Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. As a staff software engineer on the Cash App Banking server engineering team, you will help lead the overall technical strategy of the team, through close collaboration across teams and disciplines.

Staff Software Engineer, Cash App Banking

You’ll embed with client teams to understand legacy systems, extract and transform complex datasets, and build scalable solutions that answer the three critical questions leaders have for us. As a Forward-Deployed Software Engineer (FDSE) at Workhelix, you’ll work directly with enterprise clients to solve high-impact data and engineering challenges.

Workhelix

Forward-Deployed Software Engineer

ea_via_bold

Own network delivery for offices, expansions, and moves-from procurement, circuit turn-up, and vendor coordination through cutover and handoff-and, as Cognition scales, build secure connectivity across offices, cloud infrastructure, and Devin environments using VPC peering, transit networking, IPsec, GRE, or SD-WAN. Among our founding team, we have world-class competitive programmers, former founders, and leaders from companies at the cutting edge of AI including Scale AI, Palantir, Cursor, Waymo, Tesla, Lunchclub, Modal, Google DeepMind, and Nuro.

Cognition Labs

Network Engineer

Build working prototypes and reference integrations that demonstrate Inworld's TTS, STT, LLM Router, LLM inference, and Realtime API solutions in the customer's actual context - not just a demo environment. We build first-party speech models, serve LLMs, and run the inference behind modular APIs designed for high-volume, realtime workloads.

Inworld AI

Founding AI Solutions Engineer - USA

To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability.

AI Engineer

We're at the point where the decisions we make now determine what the next three years cost us: our platform spans real-time voice AI, agentic systems, a web application our team lives in all day, and integrations that carry both patient care and revenue — all moving fast, all built by a small team. Our founding team brings a mix of strong technical experience from companies like Google, Meta, Dropbox, and Amazon, along with serial startup experience ranging from early bootstrapped ventures to Series D scale-ups.

Mira Mace

Staff Engineer

The company powers large-scale marketing, data, and AI workflows for leading brands and operates at massive scale with a rapidly growing engineering organization of 50+ engineers shipping continuously into production. If you are passionate about build systems, monorepos, and developer experience — and want to operate at staff-level impact across an entire engineering org — this role offers exceptional ownership, technical depth, and career upside.

Staff Engineer - Developer Productivity

We are building an intelligent assistant that goes beyond answering questions-combining generative AI with deep AWS context, retrieval, tools, and actions to help customers understand their environments and get work done faster. Own: Lead projects end to end-from requirements and architecture through implementation, launch, operations, measurement, and continuous improvement-making thoughtful trade-offs across customer experience, quality, scalability, availability, security, performance, and cost.

At Amazon, we don’t wait for the next big idea to present itself. We envision the shape of impossible things and then we boldly make them reality. So far, this mindset has helped us achieve some incredible things. Let’s build new systems, challenge the status quo, and design the world we want to live in. We believe the work you do here will be the best work of your life. 
Wherever you are in your career exploration, Amazon likely has an opportunity for you. Our research scientists and engineers shape the future of natural language understanding with Alexa. Fulfillment center associates around the globe send customer orders from our warehouses to doorsteps. Product managers set feature requirements, strategy, and marketing messages for brand new customer experiences. And as we grow, we’ll add jobs that haven’t been invented yet. 
It’s Always Day 1 
At Amazon, it’s always “Day 1.” Now, what does this mean and why does it matter? It means that our approach remains the same as it was on Amazon’s very first day – to make smart, fast decisions, stay nimble, invent, and stay focused on delighting our customers. In our 2016 shareholder letter, Amazon CEO Jeff Bezos shared his thoughts on how to keep up a Day 1 company mindset. “Staying in Day 1 requires you to experiment patiently, accept failures, plant seeds, protect saplings, and double down when you see customer delight,” he wrote. “A customer-obsessed culture best creates the conditions where all of that can happen.” You can read the full letter <a href="https://hiring.amazon.com/why-amazon/culture#/">here</a> 
Our Leadership Principles 
Our Leadership Principles help us keep a Day 1 mentality. They aren’t just a pretty inspirational wall hanging. Amazonians use them, every day, whether they’re discussing ideas for new projects, deciding on the best solution for a customer’s problem, or interviewing candidates. To read through our Leadership Principles from Customer Obsession to Bias for Action, visit <a href="https://www.amazon.jobs/principles" target="_blank">https://www.amazon.jobs/principles</a>

Amazon.com Inc

Sr Software Development Engineer, Amazon Q

Fivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities. Generous paid time away from work, including paid vacation or flexible/unlimited vacation depending on role and country, plus paid sick time, inclusive parental leave, paid holidays, including a year-end Global Week of Rest, and volunteer days off.

FiveTran

Principal Software Engineer, AI Tooling & Adoption

You will build on the patterns and templates the team has already established, improve integration between the ML platform and Baton’s core transportation management platform, and make it easier for engineers to develop, ship, and maintain models end to end. Develop and Productionize Machine-Learning Models: Bring new machine-learning models into production, including developing select models from initial concept through deployment.

Baton

Recognizing that this development bottleneck may ultimately limit the number of new medicines that can reach patients, Formation Bio, founded in 2016 as TrialSpark Inc., has built technology platforms, processes, and capabilities to accelerate all aspects of drug development and clinical trials. Formation Bio partners, acquires, or in-licenses drugs from pharma companies, research organizations, and biotechs to develop programs past clinical proof of concept and beyond, ultimately helping to bring new medicines to patients.

Steward Jobs in Massachusetts

Staff Software Engineer, Financial Platform - Issuing Block Inc

Machine Learning Engineer Recruiting From Scratch

Staff, Software Engineer Walmart Inc

Senior Software Engineer, Developer Experience CoreWeave Inc

Software Engineer, MLOps - Machine Learning Baton Trucking, Inc.

Senior Mechanical Engineer Nimble Robotics Inc

Senior Software Engineer Scala Quantifind, Inc.

Principal Engineer Ironclad Inc

Senior Machine Learning Engineer - AI/ML Guidewire Software Inc

Staff Software Engineer, Cash App Banking Block Inc

Forward-Deployed Software Engineer Workhelix

Network Engineer Cognition Labs

Founding AI Solutions Engineer - USA Inworld AI

AI Engineer CoreWeave Inc

Staff Engineer Mira Mace

Staff Engineer - Developer Productivity Recruiting From Scratch

Sr Software Development Engineer, Amazon Q Amazon.com Inc

Principal Software Engineer, AI Tooling & Adoption FiveTran

Software Engineer, MLOps - Machine Learning Baton

Senior Software Engineer II, Trial Engine Formation Bio

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