Senior Staff Software Engineer - Backend Development

Join our dynamic team at 360IT Professionals as a Python Developer. We are looking for a passionate individual to contribute to innovative projects that drive our technology forward. The ideal candidate will possess a strong foundation in Python programming, and be eager to tackle challenging problems while collaborating with a talented team.

Join our dynamic team at Sonsoft Inc. as a Java Developer with a focus on UI and Python. This exciting opportunity allows you to leverage your technical skills to build innovative software solutions that enhance user experience. You will work collaboratively with a team of talented professionals in a fast-paced environment, contributing to the full software development lifecycle.

We are seeking a talented Python/Django Developer to join our dynamic team. In this role, you will leverage your expertise in Python and Django to build robust web applications and contribute to our innovative projects. Your responsibilities will include developing server-side logic, ensuring high performance and responsiveness of applications, and collaborating with front-end developers to integrate user-facing elements.As a part of our team, you will have opportunities for professional growth and to work on exciting projects that impact our clients positively.

Location: San Francisco, Bay Area, CAEmployment Type: ContractAbout UsSustainable Talent specializes in providing adaptable workforce solutions, linking elite talent with prominent global enterprises. We collaborate with some of the world's most innovative companies to assist them in expanding their teams with the right expertise. This role is with one of our esteemed high-tech clients, a frontrunner in AI technology and digital transformation, dedicated to leveraging advanced data science and machine learning to address complex issues.About the RoleWe are looking for a Senior Python Developer who will be responsible for developing and optimizing applications that facilitate machine learning and data science projects. You will focus on constructing scalable data pipelines, deploying AI models, and ensuring optimal performance and efficiency in production settings. Close collaboration with data scientists and cross-functional teams will be essential for transitioning research into practical solutions. If you are enthusiastic about AI, cloud technologies, and writing clean, efficient code, this is an exceptional opportunity to engage in groundbreaking innovation.What You’ll DoDevelop and optimize Python-based applications that support data science and machine learning initiatives.Implement and deploy machine learning models utilizing TensorFlow, PyTorch, and Scikit-learn.Design and construct scalable data pipelines to preprocess and transform large datasets for AI/ML applications.Collaborate closely with data scientists to convert research into production-ready ML solutions.Develop predictive analytics and deep learning solutions to enhance business intelligence and decision-making.Ensure model performance optimization and scalability in production environments.Integrate ML models into cloud-based platforms (AWS, GCP, Azure) and microservices architectures.Write clean, efficient, and well-documented Python code adhering to software engineering best practices.Collaborate with cross-functional teams to drive innovation and improve AI-driven products.What We’re Looking For7+ years of software engineering experience with a strong focus on Python development.Proven expertise in machine learning frameworks such as TensorFlow, PyTorch, and Scikit-learn.Experience in developing scalable data pipelines and cloud-based architectures.Strong problem-solving skills and ability to work in a collaborative environment.Excellent communication skills and a passion for AI technologies.

Join our dynamic team at 360 IT Professionals as a Full-Time Python Developer specializing in MySQL and PostgreSQL. We are looking for a passionate developer who thrives in a collaborative environment and is eager to contribute innovative solutions to our projects. You will have the opportunity to work on diverse applications that drive our business forward and enhance our client offerings.

About Scribd:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity. Join our innovative team as we cultivate a universe of stories and knowledge, democratize the sharing of ideas and information, and empower collective expertise through our diverse products: Everand, Scribd, Slideshare, and Fable.This position is an officially approved, open role within our organization.We foster a culture where authenticity and boldness thrive; where discussions lead to commitment as we embrace unexpected challenges; and where every team member is empowered to take initiative with a steadfast focus on our customers.Our workplace structure emphasizes a balance between individual flexibility and community engagement. Through our flexible work initiative, Scribd Flex, employees can collaborate with their managers to design a work style that best suits their needs. Our approach prioritizes intentional in-person moments to strengthen collaboration, culture, and connection. Therefore, occasional in-person attendance is a requirement for all Scribd Inc. employees, regardless of their location.What do we seek in our new team members? We value “GRIT.” The essence of GRIT is the blend of passion and perseverance towards achieving long-term goals. At Scribd Inc., we believe in the immense potential this can unlock and encourage our employees to adopt a GRIT-driven approach to their work. In practical terms, GRIT also serves as an acronym that highlights the standards we uphold: we are searching for candidates who can set and achieve Goals, deliver Results in their responsibilities, contribute Innovative solutions, and positively impact the broader Team through collaboration and attitude.About the Team:The ML Data Engineering team is at the forefront of metadata extraction, enrichment, and content understanding across all Scribd brands. Our team processes hundreds of millions of documents and billions of images, providing high-quality metadata that enhances content discovery and trust for millions of users globally.Operating at scale, our systems manage diverse datasets including user-generated content (UGC), ebooks, audiobooks, and more. We work at the intersection of machine learning, data engineering, and distributed systems, closely collaborating with applied research and product teams to deploy scalable machine learning solutions.

Join our innovative team at crewAI as a Senior Fullstack Engineer. In this pivotal role, you will help propel the crewAI+ platform forward, a robust Ruby on Rails application that integrates Python services. Your expertise in both backend and frontend development will be essential for ensuring seamless functionality and high performance. We are looking for a proactive individual with a solid background in Ruby, Python, and React who thrives in a collaborative, dynamic environment.

About Us:At LangChain, we are on a mission to revolutionize the world of intelligent agents. Our innovative platform empowers developers to transition from initial prototypes to production-ready AI agents that can be trusted by their teams. Originating from widely embraced open-source tools, we have since expanded to offer a comprehensive suite for building, assessing, deploying, and managing AI agents at scale.Today, our tools—LangChain, LangGraph, LangSmith, and Agent Builder—are utilized by teams delivering genuine AI solutions across both startups and major enterprises. Millions of developers rely on LangChain to enhance AI capabilities for companies such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With a successful $125M Series B funding from esteemed investors including IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are in an exciting phase of product development and growth. Every team member has a significant opportunity to influence the technology we create and how we collaborate. At LangChain, your contributions will directly shape the future of AI.About the Role:On-site 5 days/week in San Francisco, CA or Boston, MA (San Francisco preferred)We are seeking a dedicated core maintainer to join our LangChain team. This individual will be instrumental in enhancing and maintaining the LangChain Python package.Enhancing the core abstractions and runtime of the langchain and langgraph packagesImproving our documentationProviding answers to user inquiries and resolving issuesUtilizing langchain to develop example applicationsSuccess Factors for This Role:5+ years of experience in software engineering or applied machine learningExcellent written and verbal communication skills, capable of conveying technical concepts clearly to both technical and non-technical stakeholdersAbility to thrive in a fast-paced environment, viewing unstructured situations as opportunities to identify impactful work and define the company’s future successOwnership mentality, demonstrating a proactive approach to work

Azumo is in search of a passionate Python Fullstack Engineer to join our dynamic team. In this role, you'll be instrumental in crafting and enhancing high-performing, scalable software infrastructures within the realms of AI, NLP, and data-intensive applications.Currently, we are prioritizing candidates located in Latin America to align with our team composition.This opportunity allows you to collaborate with innovative engineers, where you will thrive if you enjoy architecting and developing scalable, high-performance backend systems using Python, React, and frameworks such as Django, Flask, Eve, or FastAPI. You will also connect applications to contemporary cloud technologies.

About Scribd:At Scribd Inc. (pronounced “scribbed”), we ignite human curiosity by fostering a world rich in stories and knowledge. Join our innovative team as we democratize the flow of ideas and information, empowering collective expertise through our diverse product offerings: Everand, Scribd, Slideshare, and Fable.This job posting represents an open and approved position within our organization.We cultivate a culture where authenticity and boldness thrive; where we engage in vibrant discussions and embrace the unexpected; and where every employee is empowered to take meaningful actions with a firm customer focus.Our work structure emphasizes a balance between individual flexibility and community engagement. Through our Scribd Flex program, employees can collaborate with their managers to determine the most effective work style that meets their personal needs. A core principle of Scribd Flex is prioritizing intentional in-person interactions that foster collaboration, culture, and connection. Therefore, occasional in-person attendance is required for all Scribd employees, irrespective of their location.What do we seek in new team members? We hire for “GRIT.” GRIT embodies the blend of passion and perseverance towards long-term goals. At Scribd Inc., we believe in the possibilities this can unlock and encourage our employees to adopt a GRIT-driven approach to their work. In practical terms, GRIT represents our standards: we look for individuals who can set and accomplish Goals, deliver Results in their roles, contribute Innovative ideas and solutions, and positively impact the Team through collaboration and attitude.

At Scribd, Inc., we are dedicated to enhancing human comprehension. Our diverse range of products—including Scribd®, Slideshare®, Everand™, and Fable—empowers billions around the globe to transition from mere access to profound insight, practical application, and mastery.Our CultureWe foster an environment where authenticity and boldness are celebrated. Here, we engage in constructive debates and make commitments, embracing the unexpected as we prioritize our customers’ needs.We believe that optimal performance stems from a balance between individual flexibility and community connection. With Scribd Flex, employees can select their preferred work styles and locations, fostering collaboration through intentional in-person gatherings. All employees are required to attend occasional in-person meetings, regardless of their remote status.We seek team members who embody “GRIT”—a blend of passion and perseverance towards long-term goals. This mindset shapes our approach to work: establishing and achieving Goals, delivering Results, innovating with fresh ideas, and contributing positively to our Team dynamics.Team Overview:Our ML Data Engineering team drives metadata extraction, enhancement, and content comprehension across all Scribd brands. We handle hundreds of millions of documents and billions of images, providing high-quality metadata that enhances content discovery and fosters trust among millions of users worldwide.Operating at an impressive scale, we support a variety of data types, including user-generated content, ebooks, and audiobooks. Our work intersects machine learning, data engineering, and distributed systems, collaborating with product and applied research teams to implement scalable ML and LLM solutions in production.Position Summary:We are on the lookout for a Software Engineer II with extensive experience in developing event-driven, distributed, and scalable systems using Python. In this capacity, you will design and optimize large-scale data and service pipelines on AWS, crucial for Scribd’s content enrichment and metadata systems. You will collaborate closely with cross-functional teams to create reliable and efficient solutions.

Join our dynamic team at 360IT Professionals as a Full Stack Developer. This contract-to-hire position offers you the opportunity to work with cutting-edge technologies, including Python and Django. We are looking for talented developers who are eager to contribute to innovative projects and collaborate in a fast-paced environment.

Truework is looking for a Python Engineer in San Francisco to help build and improve its platform. The work centers on developing scalable features and solutions that support both users and the company’s mission. Role overview This position involves collaborating with a skilled team to design, implement, and refine platform functionality. The focus is on writing clean Python code and contributing to projects that enhance the overall user experience. What you will do Work closely with other engineers to develop and maintain platform features using Python Take part in discussions and planning to ensure solutions are scalable and effective Help improve the experience for users through thoughtful engineering Location This role is based in San Francisco, California.

At Drivetrain, we are dedicated to empowering businesses with our innovative financial planning and decision-making platform, enabling them to scale effectively and achieve their targets with confidence.As a remote-first organization based in the San Francisco Bay Area and founded in 2021 by former Google employees, Drivetrain is on a rapid growth trajectory, supported by esteemed venture capital firms. Remote-friendly: We believe in harnessing the talent of the best minds regardless of location, providing them with autonomy and trust. Open & transparent: We ensure that our team has access to all necessary information to facilitate their best work. Idea-friendly: Our culture encourages the exploration of new ideas, risk-taking, and learning from mistakes, allowing everyone to contribute to positive change. Customer-centric: We adhere to a product-led growth strategy, continuously learning from our customers and collaborating to create outstanding software.About the RoleWe are seeking a skilled Software Development Engineer in Test (SDET) / Senior SDET to evaluate and refine the quality strategy for our projects, which currently encompass a comprehensive automation suite alongside manual testing.In this position, you will be responsible for designing and enhancing automation testing frameworks, as well as developing automation test scripts utilizing Python and JavaScript.

Truework, part of Checkr, Inc., is seeking a Senior Python Engineer to join the team in San Francisco. This position centers on enhancing the verification process for both users and partners by developing secure and dependable Python applications. Role overview The Senior Python Engineer will play a key role in shaping Truework’s verification platform. The focus is on building and maintaining Python-based systems that are both secure and user-friendly, supporting the company's broader mission. What you will do Design, develop, and maintain systems written in Python Work closely with other engineers and team members to launch new features Help ensure the platform remains secure and easy to use Location This role is based in San Francisco, California.

At Composio, we are creating cutting-edge infrastructure that empowers agents to seamlessly connect with the essential tools you rely on for work, such as Github, Gmail, Notion, Salesforce, and more. As a compact team of dedicated engineers, we tackle challenges ranging from context to search, ensuring we deliver the most effective bridge between your agents and the tools they use.This year, we've successfully secured a $25M Series A funding from Lightspeed, alongside contributions from notable angel investors including Guillermo Rauch (CEO of Vercel), Dharmesh Shah (CTO of Hubspot), and Gokul Rajaram. In the first quarter of this year, we achieved a remarkable threefold increase in our annual recurring revenue (ARR), with clients ranging from fellow Y Combinator alumni to companies like Wabi, Glean, and Zoom.Your RoleEnhance the experience of teams leveraging our platform by refining our core APIs and SDK.Design and implement user-friendly interfaces for both frontend applications and SDKs.Take ownership of product development from concept to production.Collaborate closely with customers to foster strong relationships while continuously improving our product.Compose clear and concise documentation for our offerings.

At Scribd, Inc., we are dedicated to enhancing human understanding through our suite of innovative products, including Scribd®, Slideshare®, Everand™, and Fable. Our mission revolves around transforming access into deeper insights and expertise for billions globally.Our CultureWe foster a culture where authenticity and boldness are encouraged; where constructive debates lead to commitment, and where every team member is empowered to prioritize customer needs.We believe that exceptional work emerges from harmonizing individual flexibility with a strong sense of community. Our Scribd Flex program allows employees to select their preferred work style and location, while also emphasizing the importance of intentional in-person interactions to enhance collaboration and culture. All employees are expected to participate in occasional in-person meetings, regardless of their location.We look for team members who embody “GRIT”—the intersection of passion and perseverance towards long-term goals. GRIT serves as a framework for our operations: setting and achieving Goals, delivering impactful Results, contributing Innovative ideas, and building a strong Team through collaboration.Join us at Scribd (pronounced “scribbed”) as we ignite human curiosity and create a world filled with stories and knowledge, democratizing the exchange of ideas and empowering collective expertise.The TeamOur ML Data Engineering team is responsible for powering metadata extraction, enrichment, and content understanding across our platforms.

Role OverviewJoin Flowith as an innovative AI Agent Development Engineer, where you will serve as the "Architect of Intelligence." Your role involves crafting the cognitive frameworks behind our cutting-edge products. You will connect the intricacies of Large Language Models with real-world applications by developing advanced AI Agents. Your mission is to enhance Flowith Agents, evolving static algorithms into dynamic collaborators that can reason, plan, and execute tasks in partnership with our users.Key ResponsibilitiesCore Development of Agents: Create and implement the foundational reasoning logic for Flowith Agents, enabling them to manage complex planning, tool invocation, and long-term memory.Collaboration Frameworks: Design and optimize multi-agent collaboration systems that enable AI to efficiently navigate the Flowith Canvas, interacting seamlessly with various nodes and external APIs.Performance Evaluation & Optimization: Set rigorous benchmarks to evaluate Agent performance, systematically analyzing reasoning failures or "hallucinations" and iterating on prompts and logic to enhance reliability.Integration & Tooling: Develop and maintain tools ("skills") for Agents, expanding their capabilities to interact with web services, databases, and third-party SaaS platforms.Research & Development: Stay at the forefront of AI research—exploring new model capabilities and agentic patterns—and rapidly prototype features that ensure Flowith leads in the AI-native landscape.

Join our client's innovative team as a Founding Full-Stack Engineer.Location: San Francisco (On-site)We are seeking a talented individual with 3 to 10 years of experience in software development, particularly with expertise in Python, Django, Go, and React.This role is perfect for someone looking to make a significant impact at an early-stage startup as we progress from Seed to Series B funding.