Contract Software Engineer – Internal Tools at mach9

About the RoleJoin mach9 as a Contract Software Engineer for Internal Tools, where you will be integral in designing and maintaining systems that enhance our machine learning workflows and overall operational effectiveness. You will take charge of various impactful internal products, including annotation and dataset tracking systems, software for addressing …

At GitLab, we are revolutionizing the DevSecOps landscape with our intelligent orchestration platform. Our mission is to empower organizations to enhance developer productivity, streamline operations, mitigate security risks, and accelerate their digital transformation journey. With over 50 million registered users and a significant number of Fortune 100 companies relying on us, GitLab is trusted to deliver better, more secure software at speed.Our commitment to innovation is mirrored in our work culture. We leverage AI as a fundamental productivity tool, encouraging all team members to integrate AI into their daily tasks, fostering efficiency and innovation. At GitLab, your career can flourish, your ideas can thrive, and every voice is heard. Our high-performance culture, grounded in our values, promotes continuous knowledge sharing, enabling team members to unlock their full potential while collaborating with industry experts to tackle complex challenges. Join us in co-creating the future as we build technologies that redefine software development.Role OverviewAs a Staff Backend Engineer (Python) on the Duo Chat team within AI Engineering, you will spearhead the backend architecture that powers GitLab Duo Chat across our DevSecOps platform. Your role will involve addressing complex challenges in developing reliable, secure, and scalable AI-driven chat workflows, enabling our customers to plan, write, review, and secure code more efficiently and confidently. This is a hands-on technical leadership position where you will set the strategic direction for integrating and evolving large language model providers, such as Google Vertex AI, across Ruby on Rails and Python services, enhance our observability and testing practices, and guide the team through impactful technical decisions amidst ambiguity. In your first year, you will be expected to make pivotal architectural decisions, alleviate technical debt that hampers progress, and assist the team in delivering sustainable improvements in response quality, reliability, and maintainability.

Join Canonical, the leading innovator in open-source software and operating systems, powering global enterprises in technology. Our flagship platform, Ubuntu, is a cornerstone in transformative initiatives across public cloud, data science, AI, engineering advancements, and IoT. We proudly partner with top-tier public cloud providers, silicon manufacturers, and industry leaders across various sectors. With a pioneering spirit in global distributed collaboration, our team consists of over 1,200 talented individuals from more than 80 countries, with minimal office-based roles. We convene in person two to four times a year in exciting locations to strategize and align on our goals.As a founder-led, profitable, and rapidly growing organization, we are on the lookout for a dedicated Golang Software Engineer at any experience level who is committed to high engineering standards, embraces continuous learning, and is eager to apply their skills in meaningful ways. This role offers an incredible chance to work with a variety of popular software systems, integration technologies, and innovative open-source solutions.The Commercial Systems division comprises six collaborative engineering teams that work closely with other technical and business units at Canonical. The services crafted, developed, and maintained by the Commercial Systems unit are essential to Canonical's operations, with Golang forming a crucial component of this ecosystem. We are seeking talented software engineers to join the following teams:The Billing Team designs, develops, and manages a Golang service that provides an efficient and scalable solution for converting metrics into billable amounts, allowing customers to monitor their expenditures with Canonical in real-time, and ensuring accurate and timely billing practices. This service also integrates seamlessly with various engineering, business, and payment systems. This team is ideal for engineers looking to enhance their expertise in billing and payment processing.The Contracts Team develops and operates a Golang service that serves as the definitive source for all customer contracts. This service offers a standardized Configure, Price, Quote (CPQ) capability and organizes signed contracts in a structured format. Integration with other engineering and business systems, including CRMs and accounting software, is also a key feature. This team provides an excellent opportunity for software engineers interested in delving deeper into sales and revenue processes.The Livepatch Team is responsible for creating a service aimed at delivering Linux kernel patches that minimize the exploit window for critical and high-severity vulnerabilities in the Linux kernel, allowing for patching while systems continue to run. The engineering team behind this initiative focuses on performance, security, and the continuous improvement of our infrastructure.

Join Canonical, a trailblazer in open-source software, as a Golang System Software Engineer focusing on Containers and Virtualization. Our flagship platform, Ubuntu, powers innovative enterprise solutions across public cloud, AI, IoT, and more. As part of our LXD team, you will help shape the next-generation private cloud infrastructure, integrating KVM, Ceph, and SDN technologies designed for optimal performance and reliability. This remote role offers the chance to engage in system-level Go programming, manage data modeling, and contribute to a distributed team that values collaboration and proactive communication. Embrace this unique opportunity to influence modern cloud technologies while enjoying a vibrant and supportive team environment.

About UsAt Socket, we empower developers and security teams to accelerate their workflows by eliminating tedious security tasks. Our platform is trusted by thousands of organizations, including industry leaders like Anthropic, xAI, Figma, and Vercel. Experience the love for Socket directly from our users by checking their tweets!Founded by Feross Aboukhadijeh, a veteran open-source maintainer with software downloaded over a billion times monthly, Socket has successfully raised $65M in funding from top-tier investors and industry experts.About the RoleWe are seeking a highly skilled Forward Deployed Engineer with a strong focus on Python to act as a vital technical liaison between Socket and our enterprise clients. In this role, you will leverage your software development skills along with exceptional customer engagement abilities to ensure successful implementations, create custom solutions, and establish the groundwork for our professional services. You will be instrumental in maximizing value for our largest clients and in shaping the future of our technical offerings.This position is fully remote, with a requirement for 20-30% travel for on-site customer engagements.What You'll DoAct as the primary technical consultant and trusted resource for 5-8 enterprise accounts.Develop custom code, scripts, and integrations to address complex customer implementation issues.Lead technical onboarding sessions, training workshops, and provide hands-on implementation guidance.Create tailored SAST rules, CVE rules, and security policies that fit customer environments.Coordinate smooth technical rollouts and integrations in complex enterprise settings.Foster strong relationships with customer engineering teams and security stakeholders.Produce standardized technical documentation, best practices guides, and reusable implementation playbooks.

Join xAI as a Systems Engineering Tutor, where you will play a crucial role in advancing AI technologies by providing expert input and annotations. Collaborate with a dedicated technical team to ensure the successful training of innovative AI systems, while refining tools and solving complex challenges to enhance model performance. This dynamic position requires adaptability and a proactive approach to excel in a fast-paced environment.

________This is an example!________PLEASE NOTE: This position is part of Lever's testing environment and is not intended for applications.Lever, established a decade ago, addresses a fundamental challenge in recruitment: attracting and hiring exceptional talent. We are at the forefront of developing innovative hiring solutions used by industry leaders such as Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to expand their teams. Our commitment to redefining talent acquisition has positioned us as leaders in innovation within our field, and we are eager to welcome talented individuals as we continue to grow. We take great pride in our achievements, including being recognized as the #1 workplace in San Francisco and a top employer nationwide. Our team, the heart of Lever’s success, is our greatest asset, and we are dedicated to investing in our “Leveroos” and our people-first culture.

About nearsure nearsure brings together remote professionals across Latin America. The company values autonomy, open communication, and diversity as guiding principles. Team members enjoy a culture built on trust, not micromanagement. Life at nearsure Fully remote team based in LATAM Opportunities to connect with colleagues and leadership through coffee breaks, tech discussions, and games Support from a dedicated People Care team starting on your first day, including help with time-off requests and wellness check-ins Accounts Management team handles client relationships so you can focus on your work What to Expect nearsure aims to create an environment where well-being comes first and professionals can grow their careers in a supportive setting. The company encourages open communication and values each team member's contributions.

Join Canonical, a trailblazer in open-source software, as an Engineering Manager leading a dynamic team dedicated to optimizing Ubuntu for top-tier cloud partners like Amazon, Microsoft, and Google. In this pivotal role, you will oversee the development, testing, and deployment of base Ubuntu images, ensuring exceptional performance and security for millions of users. Your leadership will drive our mission to deliver superior public cloud VM experiences while maintaining a unified operating environment across various cloud infrastructures. This position offers the opportunity to cultivate a high-performing team, engage with partners directly, and shape the future of cloud technology in an innovative and supportive environment.

Canonical seeks a talented Software Engineer to join our Solutions Engineering team, working remotely from anywhere in the world. As a leading provider of open-source software, we empower enterprises with our widely adopted Ubuntu platform, driving innovation across public cloud, data science, AI, engineering, and IoT sectors. You'll play a pivotal role in transforming open-source IT and DevOps operations, enabling high-performance computing, private cloud, and advanced analytics through infrastructure-as-code. Collaborate closely with our managed infrastructure operations team to refine our products based on real-world experiences while developing Python-based automation tools that simplify operations for users globally. If you are passionate about distributed systems and cloud computing, and eager to work on the cutting edge of software engineering, we invite you to apply.

Senior Manual QA Engineer - Remote / LATAM / Spanish Speakers Required ProfileWe are seeking a highly skilled professional with a minimum of 5 years of experience in manual QA. This role involves designing, executing, and monitoring tests in both agile and waterfall environments, ensuring quality and continuous improvement. Technical SkillsManual testing: analysis, design, and creation of test cases.Execution across various devices and tracking defects until resolution.Types of tests: functional, integration, regression, smoke.Tools: JIRA, Xray, Google Suite (Sheets, Drive, Slides).Methodologies: Agile and waterfall projects. What We OfferEngagement in international projects with multidisciplinary teams.Work under agile methodologies.Work from home.Payment in USD.Contractor engagement model.A collaborative environment with continuous learning opportunities.Are you ready to drive success with us?

Join Uploadcare, a premier file upload and delivery platform that empowers developers globally to manage digital content effortlessly through our advanced suite of APIs. Founded in 2011 by passionate web development and image processing experts, we recognized the challenges of file management and created a scalable, all-in-one solution. Over the last 13 years, Uploadcare has rapidly expanded and proudly serves esteemed clients such as PandaDoc, Buffer, and Zapier.As a proud member of Tiugo Technologies, we are part of a leading suite of API-first platforms dedicated to content creation and digital collaboration, which includes CKEditor, TinyMCE, and ButterCMS. Our tools have facilitated millions of software applications and websites, powering communication and content creation for organizations ranging from Microsoft to NASA. While our name might not always be recognized, our technology is widely used.Discover more about Uploadcare at uploadcare.comYour Role:As a pivotal member of our globally distributed backend team, you will enjoy the freedom to innovate and the support to thrive. Your skills will be crucial in developing and maintaining robust APIs for file uploading and management, ensuring our platform leads in efficiency and reliability.If you are enthusiastic about crafting cutting-edge solutions and excel in a dynamic, collaborative environment, we are eager to connect with you.Key Responsibilities:Design and sustain our file platform to uphold our high standards for performance and reliability.Integrate with third-party services to enhance functionality and user experience.Develop and support APIs for file uploading and management, ensuring efficient and secure data handling.Build infrastructure for webhooks and events to guarantee our platform can efficiently process and respond to external signals.Collaborate closely with fellow developers, product managers, and stakeholders across the organization to meet project goals and contribute to the overall success of our initiatives.

Why Clipboard Exists:At Clipboard, our mission is to empower individuals to ascend the socioeconomic ladder by transforming their extra time and ambition into meaningful career growth and financial opportunities. Our innovative app-based marketplace connects professionals with workplaces, enabling on-demand shift bookings that benefit both parties.About Clipboard:Clipboard is a rapidly expanding Series C company recognized as a leader in the Long Term Care sector, with plans to diversify into additional areas such as Dental Offices and Schools. As a YC Top Company, our global team of over 700 professionals operates remotely, having achieved profitability since 2022. We facilitate millions of shifts annually across the U.S., serving tens of thousands of professionals. Join us in our mission to further expand our impact. Learn more about our vision on our website here.Your Mission: Innovate, Execute, and Deliver ImpactAs a Backend Software Engineer at Clipboard, you will go beyond writing code—you will design solutions that redefine the connection between healthcare professionals and facilities. Collaborating with product managers, designers, and fellow engineers, you will develop impactful features that address real-world challenges. This is a dynamic and ongoing recruitment effort, as we consistently seek talented software engineers to join our growing team.What You’ll Do: Own the Code, Shape the FutureDeliver High-Quality, Scalable CodeCraft performant backend services utilizing Node/NestJS alongside responsive frontend features using React and TypeScript.Utilize MongoDB, Postgres, and Redis to maintain data integrity and optimize performance at scale.Develop Reusable Components and UtilitiesContribute clean, modular code for our web and mobile applications (Ionic/React, Dart/Flutter).Collaborate with the Developer Experience (DevX) team to enhance tools and libraries that increase productivity and streamline workflows.

Role overview Trust Wallet seeks a contract Quality Engineering (QE) Engineer to help maintain and raise the quality of its cryptocurrency wallet products. This fully remote position supports teams and projects around the world. What you will do Work closely with development teams to spot software issues early in the development cycle Create and apply testing strategies that reinforce product reliability Help improve the user experience by ensuring software consistently meets quality standards About Trust Wallet Trust Wallet delivers cryptocurrency wallet solutions to users across the globe.

Join Canonical as a Director of Software Engineering and lead cross-functional teams in a remote-first environment. You will oversee multiple engineering projects, ensuring alignment across diverse teams and time zones. Your leadership will empower engineering managers and staff engineers to excel in building innovative solutions. As part of a visionary company, you will contribute to transforming the tech landscape through open source technologies, making them more accessible, reliable, and secure. We value your expertise in fostering a culture of excellence and high expectations, driving quality, performance, and continuous learning within your teams. Your role will involve collaborating on exciting software products that align with your interests once you advance through the interview process.

Are you a talented software developer eager to tackle real-world challenges with innovative solutions? Join Jobber, where we are on the lookout for a driven Intermediate Software Engineer to enhance our dynamic Software Engineering team.At Jobber, our mission goes beyond just building products; we strive to empower small businesses to succeed by solving their most pressing problems. Our core values—humility, supportiveness, and genuine care—are more than just words; they are integral to our culture. We cultivate a collaborative environment that encourages team autonomy and directly influences the company’s trajectory. Our iterative release process allows us to address technical debt while continuously gathering feedback from our customers to refine their experiences.We prioritize professional growth with abundant onboarding resources, tutorials, hackathons, and mentorship opportunities. Our diverse teams provide a rich ground for learning and collaboration. Our leaders are empathetic, committed to fostering a healthy work-life balance, and dedicated to helping you achieve your career aspirations.The Role:As an Intermediate Software Engineer reporting to the Software Engineering Manager, you will work alongside fellow developers in a Scrum team to create an industry-leading product that supports our customers' success. We seek individuals ready to confront the challenges faced by millions of entrepreneurs and eager to advance their skills while contributing to a cohesive team effort.In this position, you will be committed to producing well-tested, scalable, and organized code. You’ll find opportunities to learn, collaborate, and grow while ensuring the delivery of high-quality solutions.Your Responsibilities:Design, develop, and deliver features that meet customer needs, collaborating with cross-functional teams.Engage closely with senior engineers to clarify requirements and define technical solutions.Write, review, and maintain clean, scalable, and well-documented code.Participate in code reviews to uphold code quality and maintainability.Work with your team to identify and resolve technical challenges.

At plantingspace, we are pioneering an innovative AI system tailored for analysts and scientists, leveraging a revolutionary approach to reasoning and knowledge representation. Our technology surpasses traditional state-of-the-art LLMs by intricately combining algorithms in a symbolic manner, enabling groundbreaking features such as multi-step analysis, transparent reasoning paths, and uncertainty assessment. We envision our applications transforming research and analysis across various fields, including Finance, Strategy Consulting, Engineering, Material Sciences, and beyond.We seek passionate Bayesian Software Engineers equipped with a solid background in Bayesian statistics to contribute to the development of our advanced models and algorithms for statistical inference and machine learning. Your role will involve designing, implementing, and optimizing statistical procedures that can be applied to a diverse range of models, all of which will be integrated within our expansive software system.

Join Acorns, where our mission is to champion the financial well-being of emerging investors, starting with the empowering journey of micro-investing. We achieve this through our core values.Lead With Heart - Inspire yourself and others with compassion, integrity, and determination to transcend previous limits of possibility.Make Bold Decisions - We are pioneers of a new era. Embrace optimism, adventure, and courage as you leap into the future.Always Build Trust - Communicate with honesty and accountability. We are all owners, united as one team.Never Stop Growing - Change is the only constant. Stay curious and relentless in your pursuit of progress.Find a Way - Never settle for less; make the impossible possible.Our values guide our actions, and our mission fuels our passion. Join us in delivering financial wellness for families, empowering everyone with the tools for wealth creation.____________________________________________________________________Software Engineering Intern | AcornsAcorns invites current college juniors (graduating in 2027) to apply for our Software Engineering Internship. This 10-week program will take place during the Summer of 2026.As a Software Engineering Intern at Acorns, you will play a crucial role in translating high-level business requirements into innovative services, systems, and data models that drive our products and features. You'll think critically to design and build components that are performant, scalable, and reliable while balancing technical excellence with real-world business needs.You will work closely with product, mobile, frontend, and QA teams to plan, develop, and launch meaningful features and infrastructure that enhance our cohesive financial products. Our internship emphasizes collaboration and end-to-end ownership, allowing you to lead a dedicated project from conception through delivery. You'll define requirements with stakeholders, design the technical architecture, and implement solutions while being fully integrated into the daily operations of the engineering team.This experience culminates in a company-wide presentation, showcasing your project learnings and contributions.

Join a Dynamic Team Where Art Meets Science!Known is an innovative marketing agency, expertly designed to tackle the unique challenges and seize the unprecedented opportunities facing today's marketers. Our diverse team of over 250 professionals includes PhD-level data scientists, award-winning creatives, skilled strategists, and expert researchers, all working together to create groundbreaking and culturally resonant work. We believe that genuine collaboration between creativity, science, strategy, and technology leads to extraordinary outcomes.Recognized by Ad Age as one of the top agencies in the industry, we are incredibly proud to have been awarded a spot on The Agency A-List for 2024 & 2025 and to be celebrated as Ad Age’s Data & Insights Agency of the Year for three consecutive years. Our partnerships with leading brands across finance, technology, entertainment, media, CPG, real estate, and beyond are the cornerstone of our success, enabling us to receive numerous accolades including Emmys, Clios, Effies, Cannes Lions Awards, and more.At Known, we are committed to hiring the best talent. Being a Knowner means you are a curious innovator, a knowledge-seeker who is dedicated to continuous improvement for our clients, our team, and the world. Our offices across the U.S. are open, and while many team members enjoy a hybrid working model, we embrace a distributed workforce with numerous Knowners working remotely.Now, Let's Focus on You!As a Senior Software Engineer at Known, you will engage in a variety of projects within small, focused teams, allowing you to significantly shape our products, team practices, and the overall technical culture of the organization! Given the project-driven nature of our work, you’ll consistently have the opportunity to learn new skills and master industry-leading technologies. On the backend, you will design and implement distributed systems, API endpoints, event-driven microservices, asynchronous and parallel programming, as well as data pipelines and reporting systems.

Are you a talented software developer ready to tackle real-world challenges with innovative solutions?If so, Jobber is the perfect fit for you! We're seeking Senior Software Engineers to join our dynamic Product Software Engineering team.At Jobber, we focus on building impactful solutions that empower small businesses to thrive. Our guiding principles include humility, support, and genuine care for our customers, which we embody in our daily work. We foster a collaborative culture where teams enjoy autonomy to make decisions and play a pivotal role in shaping the company's trajectory. We prioritize agile development practices, releasing frequently while addressing technical debt, and value direct customer feedback to enhance user experiences.We are committed to the professional growth of our employees, offering extensive onboarding resources, tutorials, hackathons, and mentorship opportunities. Our diverse teams provide the perfect environment for learning and innovation, while our empathetic leadership promotes a healthy work-life balance. Bring your passion and dedication to help us achieve your career aspirations.Potential Teams You Could Join:Subscription Infrastructure: Work on enhancing the billing experience for our customers, streamlining core billing systems, and driving monetization through innovative features like promotions and in-product marketing.Sign Up & Trial: Help small service businesses discover how Jobber can transform their operations, ensuring new users experience those pivotal “AHA!” moments that turn trials into subscriptions.Harbour Foundations: Build the internal framework for an AI-enhanced customer journey, creating systems that empower our teams with actionable insights into every AI-driven interaction for personalized support.Expansion: Focus on developing strategies that drive growth and scalability for our services.