Python Backend Engineer Jobs

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 Stripe offers an interesting middle ground between joining a small startup and going to work for a multinational company. We have systems and processes optimized for early-career professionals. You will be in an environment that prizes rigor, discipline, and reliability—from our products, from our ways of working, and from our colleagues. You will learn how the best teams put together extremely reliable systems, and you will be responsible for operating these systems, with adequate backup when things get tough. The Security organization is dedicated to building and maintaining a secure financial infrastructure platform. By joining this team, you will be on the front lines, engineering solutions that protect the sensitive data and systems underpinning a huge portion of the world's economy. You will contribute to core security functions like threat detection and rapid incident response, building and scaling the platforms that manage vulnerabilities, and proactively performing offensive security assessments to identify weaknesses before they can be exploited. This is a chance to apply software engineering principles and new technologies such as AI to solve complex, high-stakes security challenges, ultimately ensuring that Stripe's mission to increase the GDP of the internet is achieved securely. What you’ll do As a Security Engineer New Grad you will have the opportunity to work across various security disciplines and own projects from sta

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role As a member of the Applied AI team at Anthropic, you will be an Applied AI Engineer supporting a dedicated national security mission program. You will be the customer's trusted technical advisor, working closely with their engineering and mission teams as they build and ship new capabilities powered by Claude: advising on architecture design decisions, developing evaluation frameworks, and guiding them through the most cutting-edge implementation patterns for LLMs. Working closely with our Sales, Product, and Engineering teams, you'll guide the customer from technical discovery through successful deployment, much of it on-site in secure environments. You'll combine deep engineering expertise and cyber domain knowledge with customer-facing skills to help the customer unlock the full potential of Claude and move their mission capabilities closer to the frontier, while maintaining our high standards for safety and reliability. Responsibilities Serve as a specialist technical advisor for one or more national security mission programs, from discovery and evaluation through deployment and adoption, coordinating internally across multiple teams to drive customer success Support the customer as they build with Claude Code, the Claude API, and Claude for Enterprise Partner with account executives and Applied AI Architects to translate mission requirements into technical solutions Influence technical architecture decisions and integration into the customer's existing stack by developing customized pilots, prototypes, and evaluation suites Help develop evaluation frameworks to measure Claude's performance for mission-specific use

Sigma unlocks the value of data by delivering cloud-scale analytics and business intelligence with the simplicity of a spreadsheet, complete with pivot tables and dashboards. We empower business professionals and data teams to quickly explore, analyze, visualize, and collaborate, leveraging all of their data across the organization. Our internship program at Sigma: Sigma’s Early Career Program is the launchpad for the next generation of engineers and innovators. As an Intern at Sigma, you’ll work on various production features and learn efficient engineering for large scalable systems. Our interns work directly with our engineers, product leaders, and designers across the organization everyday. We’re looking for students who bring curiosity, a spirit for collaboration, and a desire for shaping the future of business insights and data exploration. Internship Program Qualifications: Current student : Applicants must be currently enrolled in a university undergraduate or graduate degree program in the U.S with a graduation date of December 2027 or later Able to intern from June 2027 through August/early September 2027 (dates flexible) Authorization : You must be legally authorized to work in the US during the Summer 2027 program Visa sponsorship is not available for our internship positions Location: Our remaining internships are in-person and located primarily within San Francisco, CA or New York, NY. Relocation assistance will be provided for students who will need to relocate for the Summer in the form of a relocation bonus. Applicants must be able to work in-person in our office in San Francisco, CA or New York, NY for the duration of their internship About the role: Sigma’s Engineering organization is a dynamic, high performing team of Software Engineers who complement each other's skills. Our Engineers design, implement, and scale technical solutions that power our core product and enable our users to make data driven

Sigma unlocks the value of data by delivering cloud-scale analytics and business intelligence with the simplicity of a spreadsheet, complete with pivot tables and dashboards. We empower business professionals and data teams to quickly explore, analyze, visualize, and collaborate, leveraging all of their data across the organization. Our internship program at Sigma: Sigma’s Early Career Program is the launchpad for the next generation of engineers and innovators. As an Intern at Sigma, you’ll work on various production features and learn efficient engineering for large scalable systems. Our interns work directly with our engineers, product leaders, and designers across the organization everyday. We’re looking for students who bring curiosity, a spirit for collaboration, and a desire for shaping the future of business insights and data exploration. Internship Program Qualifications: Current student : Applicants must be currently enrolled in a university undergraduate or graduate degree program in the U.S with a graduation date of December 2027 or later Able to intern from June 2027 through August/early September 2027 (dates flexible) Authorization : You must be legally authorized to work in the US during the Summer 2027 program Visa sponsorship is not available for our internship positions Location: Our remaining internships are in-person and located primarily within San Francisco, CA or New York, NY. Relocation assistance will be provided for students who will need to relocate for the Summer in the form of a relocation bonus. Applicants must be able to work in-person in our office in San Francisco, CA or New York, NY for the duration of their internship About the role: Sigma’s Engineering organization is a dynamic, high performing team of Software Engineers who complement each other's skills. Our Engineers design, implement, and scale technical solutions that power our core product and enable our users to make data driven

About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spending power, we are at a pivotal moment. We are scaling our operations, building new offerings, and deepening our impact. We are looking for teammates eager to join us on this journey. Our venture partners include First Round Capital and L Catterton. Products we’ve built to make an impact: Perpay Marketplace: Combines interest-free payments and modern e-commerce to reduce cost of ownership and promote healthy repayment behavior. Perpay+: Leverages Marketplace repayment history to help members monitor and build credit with all 3 credit bureaus. Perpay Credit Card: Expands access to the flexibility and benefits of a World Mastercard by removing common barriers like high security deposits and low approval odds. Our team thrives on in-person collaboration, operating from our unique center-city Philadelphia office. This comfortable "home away from home" space offers river views and fosters rapid product development, strong relationships, and career growth. The energy from achieving big wins is palpable here. While we primarily work in the office, we offer sensible flexibility for personal needs, such as sick children or urgent errands, and coordinate official remote weeks around major holidays. If you are passionate about a meaningful mission, collaboration, equity, and generous perks, Perpay is the best place to be in Philadelphia right now. This is a 🚀 Super Day Hiring Event 🚀 specific job posting. What is Super Day? It's an accelerated hiring event that will give recent gradu

We are building a new Technical Services capability in Mexico to support a platform that helps customers build, deploy, and operate AI applications using MongoDB. This is an early hire on a growing team, and you will have the opportunity to help shape how we support customers, collaborate with Engineering and Product, and build the team’s technical practices from the start. The platform brings together AI application workflows, orchestration, model and tool integrations, cloud infrastructure, data services, and observability. The support team will work across these layers to help customers troubleshoot complex issues and operate their applications successfully. We are looking to speak to candidates based in Mexico City for our hybrid working model. The role As a Senior Technical Services Engineer, you will provide technical leadership for customers operating AI applications on a new MongoDB platform. You will own complex investigations across application behavior, agent workflows, APIs, cloud infrastructure, security, and data services, and help shape how Technical Services supports the platform as it scales. This is a senior individual contributor role where you lead through technical judgment, customer ownership, written communication, and influence across teams. What you’ll do Owning complex and high-impact customer investigations involving AI applications and agentic workflows Leading structured investigations, root-cause analysis, and recovery efforts across multiple technical layers Leading investigations into agent workflows, tool calls, model-provider integrations, memory, checkpoints, streaming, retries, and timeouts Reading and debugging Go, Typescript, Python services and agent implementations; using logs, metrics, traces, and diagnostic tooling to develop evidence-based conclusions Troubleshoot Kubernetes and containerized workloads, including deployments, images, secrets, resource failures, and networking Serving as a technical subject-matter expert for

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 Stripe’s SMB Solutions Architecture (SA) team works with technical and business leaders (CTO/ CIO/ CEO/ Founders etc.), payments leaders and product engineering teams in the mid-market segment to evangelize Stripe’s solutions in the market. A solutions architect’s role is to build relationships with decision makers and think strategically about the business needs of Stripe’s customers. Solution Architects identify and propose Stripe solutions to solve complex business challenges and drive growth for our customers. SAs establish and prescribe best practices around a customer’s strategy, provide business and technical thought leadership and are viewed as a trusted advisor. They work on scaling business processes aligned to maximizing account coverage while working closely with customer and partner resources to deliver a solution that can be adopted quickly. What you’ll do As a member of the team, the Solutions Architect will build highly consultative trusted relationships with c-level executives and technical decision makers in the customer’s organization to provide business and technical thought leadership, and become a trusted advisor in solving mission-critical business challenges. She/he will architect business models with them so they can drive new monetization opportunities and growth for both the user and Stripe. Responsibilities Drive thought leadership and build executive relationships with key business and technical stake

It all started with an idea at Block in 2013. 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. We want to redefine the world’s relationship with money to make it more relatable, instantly available, and universally accessible. Today, Cash App has thousands of employees working globally across office and remote locations, with a culture geared toward innovation, collaboration and impact. We’ve been a distributed team since day one, and many of our roles can be done remotely from the countries where Cash App operates. No matter the location, we tailor our experience to ensure our employees are creative, productive, and happy. The Role The IT Vendor Operations team sits at the intersection of business and technology — triaging, troubleshooting, and resolving technical issues across the tools and systems that thousands of Block advocates rely on every day. As Business Systems Analyst you will be the first line of defense when something breaks, the investigator when something behaves unexpectedly, and the bridge between our business teams and engineering partners. This role is ideal for someone who thrives in a fast-paced environment, loves solving technical puzzles, and wants cross-functional exposure across Block's support organization. You'll work across Salesforce (CF1), Amazon Connect, Okta, internal tooling, and more — ensuring advocates can focus on helping customers instead of fighting their tools. You Will Support identity and access management administration for an entire suite of applications, balancing routine operational tasks (~40%) with complex, non-routine requests requiring investigation and specialized attention (~60%) Triage and resolve technical support tickets spanning Salesforce

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Systems Consultant II Are you a systems professional looking to scale mission-critical cloud infrastructure and defend vital public sector networks? Help federal agencies automate their most complex operational workflows. Location: McLean/Tysons, VA | Work Model: On-site (4–5 days/week) About the Team Appian Customer Success is obsessed with supporting our federal customers’ missions by delivering transformative, high-availability cloud automation solutions. Our Federal DevOps Engineering team works hand-in-hand with government agencies, ensuring their automated workflows are resilient, securely scaled, and continuously optimized. Grounded in a culture of in-person collaboration at our McLean HQ, we tackle complex technical challenges to keep public infrastructure running smoothly across the AI-Powered Process Automation landscape. The Opportunity As a DevOps Engineer within our Federal Customer Success division, you will bridge the gap between cloud infrastructure engineering and modern application delivery. This role is vital right now because federal agencies are rapidly scaling their digital footprints across hybrid and secure cloud ecosystems. Under the guidance of senior architects, you will gain deep operational mastery of our software platform, automate underlying infrastructures, and enable agencies to achieve true Enterprise-Grade Orchestration . What You’ll Do Scale Cloud Infrastructure: Participate in the installation, day-to-day operation, and scaling of the Appian platform across federal customer environments. Master Cloud & Systems Admi

About Glean: Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles. At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level. Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality. If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more. You'll be deeply embedded where people get things done. You'll ship agentic capabilities on an open, extensible stack, with

About Glean: Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles. At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level. Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality. If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more. You'll be deeply embedded where people get things done. You'll ship agentic capabilities on an open, extensible stack, with

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Title of Job: Sr . Software Engineer We are looking for a Senior Software engineer who is passionate about writing the tools to integrate and support to build large-scale, high-demand software in a fast-paced agile environment. You will share our passion for test-driven development, continuous integration and automation to produce frequent high-quality releases. Our engineering team is fast, innovative and flexible; with a weekly release cycle and individual ownership. We expect great things from our engineers and reward them with stimulating new projects, emerging technologies and the chance to be part of a company that is changing the cloud computing landscape forever. You will get an opportunity to work in scaling our infrastructure to the next generation. Our scale is already huge in running tens of thousands of tests for every commit automatically. This comes with challenges in speed by reducing compute time from days to a few minutes. Responsibilities: You will be part of the team that builds, maintains, and improves our highly-automated build, release and testing infrastructure. Scripting, tools-building, and automation are paramount to Okta Engineering; everybody automates. You will be creating and coding tools for internal use to support continuous delivery. Team up with Development, QA and Ops to continuously innovate and enhance our build and automation infrastructure Collaborate with peers and stake-holders to cre

Build effective test automation that helps deliver reliable, high-quality technology through complex application modernization. The Role Capco is looking for a QA Automation Engineer with hands-on experience in SmartBear TestComplete and Playwright to support a major application modernization initiative. You’ll focus on building, maintaining and executing automated tests that help ensure applications continue to perform reliably as legacy technology, dependencies and supporting components are upgraded. Working across Java/Spring applications, Linux and Windows environments, you’ll combine practical automation expertise with established software quality assurance methodologies. This is an intermediate-level, hands-on QA role where you’ll work closely with developers and wider technology teams to identify issues early, strengthen automated test coverage and support the delivery of reliable software throughout the development lifecycle. What You’ll Do Build, maintain and execute automated tests using SmartBear TestComplete, ReadyAPI and Playwright across application modernization and testing activities. Create functional, integration and regression test automation to validate application behaviour, identify defects and maintain quality throughout technology upgrades. Test Java applications built with Spring and Spring Boot across Linux and Windows environments, using Linux shell scripting where required. Collaborate with developers and technology teams throughout the Agile lifecycle, contributing to quality from design and development through testing, deployment and production release. Investigate, document and track defects while maintaining test assets and supporting reliable releases using relevant test management, source-control and delivery tooling. What We’re Looking For 5–6 years of software quality assurance experience, including hands-on test automation experience using SmartBear TestComplete and related SmartBear tooling such as ReadyAPI. Profic

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: San Francisco, CA About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of cod

Knowledge Graph & Semantics Consultant Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent Turn complex data into connected knowledge that drives smarter decisions. The Role Financial services firms face significant challenges – and opportunities – in how they manage and extract value from increasingly complex data. Their ability to compete, comply and transform depends on connecting information across data silos and turning it into knowledge that people and machines can meaningfully understand. Graph and Semantics Engineering are emerging enterprise data technologies that use ontologies, advanced analytics and AI to represent knowledge in expressive and innovative ways. Next-generation AI systems powered by knowledge graphs can help organisations manage complexity, provide greater context and deliver more explainable outcomes. As a Knowledge Graph & Semantics Consultant, you’ll help our clients understand, design and implement solutions using graph and semantic technologies, advanced data management and analytics. You’ll also explore how approved AI tools, automation and AI-enabled workflows can improve the speed, quality and insight of delivery, while maintaining appropriate human judgement, review and responsible AI guardrails. You’ll contribute to the continued growth of Capco’s Data & Analytics practice, helping develop our capabilities, talent and thinking around how graph and semantic technologies can create value for financial services organisations. What You’ll Do Design and implement knowledge graph, semantic modelling and advanced data solutions that connect structured and unstructured information. Help clients identify and deliver practical use cases for graph and semantic technologies, advanced analytics and AI. Use approved AI tools and AI-enabled workflows where appropriate to accelerate research, modelling, analysis and delivery, with human-in-the-loop review and validation. Build Capco’s graph and semantic c