Principal System Integration Engineer (Enterprise Systems) - Python

Role Overview The City and County of San Francisco's Department of Technology is hiring a Principal System Integration Engineer focused on enterprise systems with Python expertise. This position leads major integration projects that connect and enhance a wide range of internal systems. What You Will Do Design, develop, and implement integration solutions for…

At Outset, we've revolutionized the research landscape with our innovative AI-driven user interview solutions.Our cutting-edge technology is trusted by global brands such as Hubspot, Microsoft, Uber, and Nestle, enabling them to gain profound qualitative insights about their users with unmatched speed and efficiency.The research sector is a vast ($140B and expanding) domain ripe for transformation. Current industry players are often slow, outdated, and encumbered by costly services—this is where we see our potential.Proudly supported by renowned Silicon Valley investors, Outset successfully raised $30M in a Series B funding round in December 2025—just months after our Series A—led by Radical Ventures with contributions from M12 (Microsoft’s venture arm), 8VC, Y Combinator, and Adverb Ventures.Following a breakout year, our business has surged by 8x as enterprise clients across various sectors embrace our category-defining AI-moderated research as the new benchmark for understanding user behavior.Based in San Francisco’s Financial District, we are a close-knit team of 30, dedicated to serving some of the world’s largest enterprises.

Join Our Dynamic TeamWe are seeking talented software engineers to enhance the productivity of our Workload team. This team is responsible for maintaining the essential components of OpenAI’s training and inference frameworks, as well as executing cutting-edge experiments.About the OpportunityWe are in search of an individual who is passionate about improving the developer experience within OpenAI’s core training and inference frameworks.Your Responsibilities:Optimize development workflows for your fellow engineers.Collaborate with various Workload teams to address specific needs while working with centralized teams that manage different aspects of the development experience.Enhance iteration speed, particularly by improving the Continuous Integration (CI) processes for specific teams.Increase reliability by leading the testing strategies for various components.Tackle the diverse challenges involved in building libraries and systems that will delight our researchers.What Makes You a Great Fit:You are driven by a desire to help others and believe that exceptional teams are built by selfless contributors.You appreciate the significance of developer experience, recognizing that seamless iteration on a simple codebase is crucial.When encountering obstacles, your first instinct is to find solutions to prevent future issues, often following through with code changes.You possess a pragmatic mindset, knowing how to balance perfectionism with the need for progress.You enjoy taking projects from inception to completion, thriving in co-design scenarios where user and system understanding come together.You have a passion for working with Python.About OpenAIOpenAI is a pioneering organization at the forefront of artificial intelligence research and deployment. Our mission is to ensure that artificial general intelligence benefits all of humanity. With a commitment to safety and ethics, we are dedicated to advancing AI technology while ensuring its alignment with human values.

The OpportunityJoin us as a pivotal contributor to ComfyUI, one of the most renowned open-source projects today, and help shape the future of creative tools and workflow engines.Your primary objective will be to design and implement robust software foundations that drive our engineering efforts, including creating clean software abstractions, developing extensible RESTful APIs and Python SDKs, and ensuring high standards of code quality. The impact of your design decisions will significantly influence the project's trajectory, necessitating meticulous attention to detail and strategic thinking.Key Projects You Will Tackle:Creating adaptable abstractions that accommodate future developments, such as the concept of subgraphs within a graph.Crafting scalable data models that thrive in an open-source ecosystem.Introducing innovative core types like VIDEO or 3D.Collaborating with product designers and frontend engineers to deliver user-facing features that seamlessly function in headless environments, as many users utilize ComfyUI as an API service.Ideal Candidate Profile:Proficient in Python with experience in maintaining scalable APIs and SDKs.Consistently writes and reviews code, upholding high-quality standards.Passionate about elegant software design and the principles of clean coding.Bonus: Familiarity with ComfyUI or other node-based workflow tools.Bonus: Strong knowledge of tensors, PyTorch, and the ability to contribute to implementing new models for ComfyUI.About ComfyUIComfyUI is the leading visual AI platform—an open and modular system where users can construct, customize, and automate AI workflows with precision and full control.Unlike conventional AI tools that conceal their mechanisms behind simple prompts, ComfyUI empowers professionals to design their own pipelines, connecting models, tools, and logic visually akin to building blocks.Our platform is utilized by artists, filmmakers, game developers, designers, researchers, VFX studios, and teams from top-tier companies like OpenAI, Netflix, Amazon Studios, Ubisoft, EA, and Tencent—enabling them to transcend presets and truly influence AI creation.

About KiddomKiddom is an innovative educational platform dedicated to fostering student equity and growth by integrating top-tier instructional materials with engaging digital learning experiences. With unparalleled curriculum management tools, Kiddom enables schools and districts to take charge of their curriculum, creating customized learning experiences that cater to the unique needs and aspirations of their communities. Our high-quality curriculum comes equipped with powerful insights for teachers and leaders, driving the ongoing enhancement of instructional strategies, school and district programming, and professional development.The Tooling team at Kiddom is responsible for developing and maintaining the essential systems that empower all engineering teams to produce reliable, scalable, and efficient software solutions. As a Senior Backend Engineer on this team, you will concentrate on crafting backend services, automation frameworks, and internal developer tools that enhance the speed and reliability of our entire platform.Your contributions will significantly influence how Kiddom engineers design, deploy, and monitor systems at scale, with a strong focus on clean, maintainable, and testable code, primarily in Python, with additional opportunities to work with GoLang.

Role Overview:Take charge of the backend infrastructure that drives Mem0's innovative memory platform. You will craft intuitive REST APIs, model data using both relational and graph databases, and manage services in a live environment. When users encounter challenges, you will investigate the root causes, implement solutions, and enhance system robustness—all while working closely with frontend developers and researchers to deliver swift, dependable features.Key Responsibilities:Design & Deploy REST APIs: Establish contracts, manage versioning, authentication, and rate limiting; document migrations thoroughly.Data & Schema Modeling: Work with relational (Postgres) and graph databases (e.g., Neo4j); ensure data integrity and optimize performance.Troubleshoot Customer Issues: Utilize logs, metrics, and traces to identify problems, replicate them, resolve issues, and create preventive measures.Performance Optimization: Enhance SQL performance using EXPLAIN/ANALYZE, indexing, partitioning, pagination, and caching solutions (e.g., Redis).Service Development in Python: Leverage asynchronous programming with FastAPI/Starlette, Django/DRF, Flask, and manage background jobs, queues, and scheduling.Cloud Operations: Containerize applications using Docker, deploy on Kubernetes (EKS), and utilize AWS services (EC2, RDS/Aurora, S3, IAM).Instrumentation: Implement custom metrics, structured logging, and tracing; establish SLOs and alerts using CloudWatch/Prometheus/OpenTelemetry.Collaborative Shipping: Partner with frontend teams and researchers to define APIs and roll out features into production.

Join our dynamic team at Mindlance as a UI Developer. You will play a crucial role in designing and implementing user interfaces that enhance user experience across our innovative web applications. We are looking for creative problem solvers who are passionate about developing intuitive and responsive designs.

Discord is a vibrant platform that connects over 200 million users monthly for a variety of activities, with a significant focus on gaming. With over 90% of our users engaging in gaming, they spend a staggering 1.5 billion hours playing thousands of unique games on Discord each month. Our mission is to enhance the gaming experience by facilitating seamless communication and interaction among players before, during, and after their gaming sessions.We are seeking an experienced Staff Software Engineer to join our dedicated Safety Processing team. This pivotal team is responsible for maintaining trust and safety on Discord by processing signals from user reports and automated systems to identify and eliminate harmful or illegal content. In this role, you will spearhead backend projects, provide architectural insight, and develop scalable systems that effectively protect our users. Your contributions will directly influence the safety of our platform, ensuring that Discord remains a welcoming environment for all. To discover more about our engineering initiatives, visit our engineering blog.

As a UI Developer at 360 IT Professionals, you will play a crucial role in creating dynamic and responsive user interfaces that enhance user experience across our applications. You will collaborate closely with our design and development teams to translate wireframes and prototypes into functional and visually appealing interfaces. Your expertise in front-end technologies will be pivotal in maintaining our standards for quality and usability.

Join Cloudflare as a Developer GTM, where you will have the opportunity to work on exciting projects that enhance our product offerings and improve user experiences. As part of our dynamic team, you will be involved in the development and implementation of innovative solutions that drive our go-to-market strategies.

About Buildkite Buildkite is a leading Continuous Integration platform that is relied upon by top engineering teams worldwide, enabling them to deliver software to over one billion daily users. Job Overview We are seeking a talented Developer Marketing Manager who will transform our marketing strategy into a developer-first demand generation engine. This role involves executing campaigns, programs, and distribution systems that capture attention, generate intent, and advance our pipeline while building trust. You will be the key driver in bringing our narrative to life in the marketplace. Our strategy revolves around signal → proof → distribution → conversion, executed with precision, measurement, and a unique Buildkite perspective. We are looking for candidates who can manage comprehensive campaigns with sophistication and rigor: constructing scalable systems, maintaining quality, and implementing programs that yield tangible commercial results, all while steering clear of generic developer tools marketing tactics. Responsibilities Develop and Execute a Developer-First Demand Engine Oversee campaign execution across key focus areas, from concept through asset planning to launch and iteration. Create initiatives that resonate with developers and buyers alike; ensuring credibility at the top, clarity in the middle, and conversion at the bottom. Establish a consistent rhythm that aligns our Labs (Brand Systems, Developer Voice, Go-to-Market Strategy). Design Campaigns That Serve as Proof, Not Just Marketing Transform Buildkite user experiences into impactful campaigns; showcase customer success, technical insights, and strong viewpoints. Uphold high-quality campaign standards. Avoid strategic drift; if the proof isn't yet available, slow down, refine the scope, and assist in developing what is necessary. Manage the Distribution System Formulate and implement a channel strategy; determine our presence, frequency, effective formats, and what content should be refreshed or retired. Create sustainable amplification strategies that do not depend on last-minute efforts or extreme measures. Approach distribution with an engineering mindset; inputs → controls → outputs → measurement → iteration. Collaborate Closely with Sales Design effective campaign-to-sales alignment; avoid random asset distributions. Co-create essential materials with the Enablement team and ensure campaigns are effectively executed in the field. Align on sales-readiness criteria for each program. Demonstrate commercial acumen in all activities. Clarify the Funnel Provide insights and clarity throughout the marketing funnel.

Join Sonsoft Inc. as a UI/AngularJS Developer, where your creativity and technical skills will help shape the future of our web applications. We are looking for an enthusiastic developer who is passionate about building dynamic user interfaces using AngularJS and has a keen eye for detail.

At Mechanize, we specialize in developing reinforcement learning (RL) environments that empower AI models to execute real-world tasks efficiently. Our mission is to drive the complete automation of the economy, providing innovative solutions to leading AI laboratories. Discover more about our work at mechanize.work.As a Senior Software Engineer at Mechanize, you will contribute to the creation of RL environments that are pivotal in the field of AI model training. Ideal candidates will have 2-5 years of software engineering experience with proficiency in Python programming. Previous experience in machine learning or AI is not a prerequisite.For insights on our interview process, visit: Interview Process at Mechanize.

Join Our Team as a Software Engineer for ComfyUI DesktopAs a vital member of our engineering team, you will play a crucial role in developing ComfyUI Desktop, the native application that brings one of the most esteemed open-source AI projects to millions of users across Windows and macOS. With millions of downloads each month, ComfyUI Desktop is making waves in the AI community.Your goal is to ensure that the initial user experience is nothing short of magical. When a user downloads ComfyUI, you will be the reason it works seamlessly. You will craft a native experience that simplifies a powerful yet complex tool, making it feel intuitive and effortless.Key Projects You Will Work On Include:Creating a smooth installation and onboarding process that sets up Python environments for all supported operating systems and GPUs.Developing a backup system for user files (models, custom nodes) that ensures accessibility across different environments.Implementing management solutions for multiple ComfyUI environments.Integrating the desktop application with ComfyUI Cloud for a hybrid usage experience.You Could Be a Great Fit If:You've successfully delivered a desktop application in the past, demonstrating your ability to get software onto users' machines and maintain its performance.You possess a strong understanding of Python packaging and environment management (conda, venv, pyinstaller, pip), and have dealt with dependency resolution and cross-platform distribution.You have a solid grasp of the desktop application lifecycle, including packaging, code signing, distribution, and auto-updates across Windows and macOS.Bonus: Familiarity with Electron, our current technology stack.Bonus: Experience with ComfyUI or other node-based creative tools.

Join Strala and Revolutionize Insurance!Strala is on a mission to transform the world’s largest industry - insurance. In less than a year, we have achieved a remarkable multi-seven-figure ARR and continue to grow at an impressive rate of 50% month over month. Backed by top-tier investors, including Peter Thiel’s Founders Fund, we are proud to have a team composed of alumni from prestigious institutions like Harvard, Berkeley, and Oxford, along with experienced professionals from renowned firms such as Optiver, AMD, and Palantir.What We're SeekingProblem Solver: You thrive on tackling challenging problems and have a proven history of success.High Agency & Ownership: You take initiative and make things happen, with bonus points if you have experience as a CTO or founding engineer.Proven Builder: You possess at least 2 years of experience in backend development with Python, demonstrating a track record of delivering fast, production-grade code.Core System Design: You will be responsible for our core infrastructure, databases (PostgreSQL, vector DBs), and overall architecture.Cloud Mastery: You are well-versed in REST, GraphQL, GCP, AWS, and Docker.Your First Month at StralaShip from Day 1: You will be deploying to production on your first day and taking full ownership of your code.Ownership: You will create specifications, solve problems, and build features.Solve Every Problem: You will be involved in hiring your next teammate, designing core infrastructure, and scaling the existing codebase.Our ValuesAmbition: We aim to win and strive to be the best.Performance: We value speed, system thinking, and efficiency.Ownership: We take responsibility for problems and work to solve them.Spirit: We foster clarity, optimism, and meritocracy.What We OfferImpact: Shape a company, redefine an industry, and make your code resonate with millions.Intensity: Engage in complex challenges and work alongside exceptional talent.

Who We Are?Postman stands as the premier API platform utilized by over 45 million developers and more than 500,000 organizations, including 98% of the Fortune 500. Our mission is to empower developers and professionals worldwide to construct an API-first environment by simplifying every phase of the API lifecycle and enhancing collaboration—allowing users to develop superior APIs, more efficiently.Headquartered in San Francisco, Postman boasts offices in Boston, New York, Austin, Tokyo, London, and Bangalore, our birthplace. We're a privately held company backed by notable investors including Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Discover more at postman.com or engage with us on X via @getpostman.P.S: We highly recommend reading The "API-First World" graphic novel to grasp the broader vision and mission of Postman.About the RoleWe are on the lookout for an experienced Senior Developer Advocate to join our Developer Relations team, dedicated to assisting developers globally in crafting superior APIs at an accelerated pace. As a trusted technical spokesperson for Postman, you will create engaging content, foster community, and advocate for developer needs within our product ecosystem.This is a highly visible role with significant impact. You won’t just discuss Postman; you will actively engage with APIs, AI agents, and emerging protocols such as MCP, transforming intricate workflows into accessible, inspiring content that resonates with millions of developers.What You’ll DoCreate technical content at scale: Develop tutorials, blog posts, videos, sample projects, and livestreams that illustrate API best practices using Postman and beyond.

At Truework, we are dedicated to fostering trust in every financial interaction. Our flagship product, Truework Income, delivers vital employment and income information essential for mortgage approvals, apartment leases, background checks, and more. We are revolutionizing a $5 billion industry historically dominated by outdated credit agencies, focusing on delivering superior products with exceptional customer service. With a robust handling of hundreds of thousands of income and employment verifications each month, we are continuously expanding our footprint in the mortgage lending and tenant screening sectors.We are seeking a talented Senior Software Engineer to become a key player in our dynamic team! Our Engineering division, though compact, is highly effective, driving over $10 million in annual recurring revenue. We empower our engineers to take on substantial ownership and responsibility—leading projects, collaborating with product managers and clients to define and implement features, and working alongside our sales and marketing teams to launch and scale innovative products and features. You will thrive in an environment that values autonomy and initiative, especially when facing challenges.While most of our projects are backend-focused, we welcome applicants from a variety of roles, including full stack, backend, QA engineers, and SREs, provided they meet our qualifications.

Join our dynamic team at 360 IT Professionals as a .Net Application Developer. You will play a crucial role in designing, developing, and maintaining innovative software solutions that meet our clients' needs. Collaborate with cross-functional teams to ensure the highest quality of software delivery.

Join our innovative team at AfterQuery as a pivotal Fullstack Software Engineer, playing a crucial role in developing data infrastructure that will influence the next generation of frontier models. As one of our first hires, you will take on significant responsibilities, managing projects from inception to completion, allowing you to witness the immediate impact of your work.About AfterQueryAfterQuery is a cutting-edge research lab dedicated to exploring the frontiers of artificial intelligence through innovative datasets and experimental approaches. We serve top-tier foundation model labs and leading AI research facilities.Located in San Francisco, CA, we have secured funding from prestigious investors, including Y Combinator and BoxGroup, along with notable figures from Google DeepMind and Meta GenAI, among others.Our founding team comprises experts from renowned organizations such as Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, and Stanford's AI laboratories.Why You Should ApplyExceptional Growth Potential: As one of the fastest-growing companies from Y Combinator, we aim to redefine industry standards.Founding Position: You will have the opportunity to shape our data infrastructure from the ground up.Equity and Advancement: Competitive salary and equity options, with opportunities to lead and develop an engineering team as we expand.Collaborative Environment: Work alongside a talented founding team with expertise from top firms.Your ResponsibilitiesDesign and scale intricate data capturing workflows across web technologies (Next.js) and desktop applications (Python).Develop and optimize robust data pipelines capable of handling high throughput and significant data loads.Collaborate with the founding team to outline product strategy and deliver features rapidly.Establish engineering best practices and set the foundation for future team expansion.QualificationsStrong proficiency in JavaScript (Next.js) and Python, with proven experience in developing full-stack web applications.Familiarity with serverless architecture and cloud functions for extensive data processing (GCP/AWS).Hands-on experience with storage solutions, caching (Redis), and search capabilities (Elasticsearch).

About tvScientifictvScientific stands as the pioneering CTV advertising platform meticulously designed for performance marketers. By harnessing extensive datasets and advanced scientific methodologies, we automate and refine TV advertising to achieve measurable business results. Our comprehensive solution integrates media buying, optimization, measurement, and attribution into a streamlined platform. Developed by industry veterans with a robust background in programmatic advertising, digital media, and ad verification, our platform offers a reliable CTV performance solution that empowers advertisers to elevate their business.As a Senior Machine Learning Engineer at tvScientific, you will be instrumental in building the machine learning and AI systems that underpin our Connected TV ad-buying platform, focusing on real-time bidding, campaign optimization, and incremental measurement at scale. As an adtech innovator, we are tackling the complex challenge of making CTV advertising quantifiable. Our platform enables advertisers to purchase ads across a diverse CTV ecosystem—including Hulu, Pluto TV, Disney+, HBO Max, and numerous FAST channels—while demonstrating that these ads generate tangible business results.