Contract: Senior Backend Engineer - Snowflake Data Platform

Join Upwork, the world’s leading work marketplace, where we empower a diverse range of clients from innovative startups to over 30% of Fortune 100 companies. Our platform fosters collaboration between companies and talented professionals, unlocking their full potential.Last year, our vibrant community of skilled professionals facilitated over $3.8 billion wo…

At River, we are on a mission to establish the most reliable financial institution, empowering individuals to take charge of their financial futures through Bitcoin—an incorruptible digital currency. We envision a future where each person has Bitcoin savings, and every business incorporates Bitcoin into their financial portfolio. Our focus is on designing and developing user-centric products that facilitate the buying, selling, securing, and utilization of Bitcoin.We are seeking a highly skilled Staff Software Engineer who is proficient across the entire web stack and has a proven track record in building and maintaining large-scale production systems. In this leadership role, you will set a high standard for quality, mentor junior engineers, and contribute to our innovative engineering team. Our technology stack includes Elixir, React, and PostgreSQL.River is rapidly expanding and has successfully raised over $50 million from prestigious investors, such as Goldcrest, Kingsway, Polychain, M13, DG, and Valor. We are committed to transparency, having publicly shared our financials and proof of reserves, allowing clients and employees to verify our business's strength and growth.

Our MissionAt Speechify, we are driven by a powerful mission: to eliminate the barriers that reading can impose on learning. With over 50 million users, our innovative text-to-speech solutions transform various reading materials—PDFs, books, Google Docs, news articles, and websites—into audio format, allowing users to enhance their reading speed, comprehension, and retention.Our suite of text-to-speech products includes applications for iOS, Android, Mac, a Chrome Extension, and a Web App. Recently, we were honored with the title of Chrome Extension of the Year by Google and received Apple’s 2025 Design Award for Inclusivity.Our dynamic team of nearly 200 professionals operates entirely remotely, collaborating from around the globe. We are proud to have experts from diverse backgrounds, including Amazon, Microsoft, Google, Stanford's PhD programs, and high-growth startups like Stripe, Vercel, and Bolt, as well as numerous founders of successful companies.

Join Our Mission-Driven TeamAt Great Minds, we are a dynamic and rapidly growing organization established by educators in 2007. As a for-profit Public Benefit Corporation, we are committed to ensuring that every student has access to meaningful and challenging educational content. We also believe that teachers deserve effective and intuitive tools designed for the realities of modern classrooms.Our team develops high-quality, research-based curricula in math, science, and English Language Arts (ELA) that are crafted in collaboration with educators. Our materials are tailored to meet real classroom needs and are focused on achieving sustainable student outcomes.Our Innovative ProductsOur renowned products—Eureka Math, Wit & Wisdom, PhD Science, Geodes, and the recently introduced Arts & Letters ELA—are trusted by thousands of schools and districts across the nation.Eureka Math is the leading math curriculum in the U.S., balancing conceptual understanding, procedural fluency, and real-world application.Wit & Wisdom® and Arts & Letters ELA™ anchor our reading strategies with content-rich, grade-specific instruction that integrates literature, history, and the arts, all grounded in reading science. Geodes® enhances our reading suite with decodable texts that connect phonics and meaningful content to promote early literacy.PhD Science is a hands-on K-5 science program that ignites curiosity and fosters a lasting understanding of scientific concepts.Our programs reflect a shared commitment to high expectations, joyful rigor, and deep respect for both educators and students.Our Vision for the FutureGreat Minds is entering an exciting new phase of growth and product maturity. We are dedicated to creating more interconnected, customer-focused experiences throughout the entire educator journey—from curriculum development to professional learning and comprehensive support.Our long-term goal is to become a true partner in educational impact, not just by delivering curriculum, but by supporting educators in achieving significant outcomes at scale.Job PurposeA Senior Staff Engineer will lead...

Join our innovative team at Qdrant as a Senior Software Engineer specializing in Cloud Platform Infrastructure. In this role, you will leverage your expertise to design, develop, and optimize cloud solutions that enhance our infrastructure capabilities. Collaborate with cross-functional teams to deliver robust and scalable software solutions that meet the dynamic needs of our users in the EMEA region.

ABOUT AFRICAN LEADERSHIP UNIVERSITY At the African Leadership University (ALU), we are not just an academic institution; we serve as a launchpad for Africa’s future leaders. Our mission is ambitious: to cultivate ethical, entrepreneurial changemakers who will influence the continent's trajectory. Through an innovative curriculum, experiential learning, and a dynamic pan-African community, we empower our students to confront complex challenges, integrate diverse perspectives, and devise solutions that create significant, lasting change. We do not merely teach; we foster adaptable, globally minded problem-solvers equipped to navigate uncertainty, innovate from the ground up, and guide Africa into a thriving 21st century. ALU is officially registered in Rwanda as The African Leadership University and in Mauritius as the African Leadership College of Higher Education (ALCHE). Each entity holds individual accreditation from the Council of Higher Education in Rwanda and the Higher Education Commission in Mauritius. The ALU School of Business (ALUSB) is the driving force behind our education in business, leadership, and entrepreneurship across both campuses. We are committed to creating a secure yet open environment that ensures the safety of students, staff, and visitors while respecting individual rights and safeguarding responsibilities. OUR WORK CULTURE The ALU Team operates in markedly different ways than traditional academic bureaucracies. We approach education from first principles, empowering individuals to design, test, and implement innovative ideas while collaborating closely to create transformative learning experiences. We are deeply passionate about our students and excited by the challenge of building something entirely new. The African Leadership University is dedicated to ensuring the safety and well-being of all students in our care. As part of this commitment, we maintain a comprehensive safeguarding policy that outlines our Zero-tolerance approach to any safeguarding violations. ROLE OVERVIEW ALU is currently undergoing a significant transformation to scale its platforms and integrate its technological ecosystem. This role is vital for establishing structure, promoting best practices, and enhancing the delivery pipeline across multiple teams. We are looking for a Lead Salesforce Platform Engineer and Enterprise Architect to spearhead the architectural execution and evolution of ALU’s digital ecosystem, with Salesforce as the primary system of engagement and orchestration. The ideal candidate will thrive in a hands-on role while influencing architectural decisions, deploying automation at scale, and implementing modern engineering practices such as CI/CD, testing, and code quality.

About Us:At Ethena Labs, we are pioneering the development of an innovative suite of digital dollar products that aim to revolutionize the way money functions in the digital age.Our flagship product, USDe, is a synthetic dollar backed by digital assets, utilizing a cutting-edge delta-neutral hedged basis strategy to maintain its stability. Remarkably, this product has grown from inception to $15 billion in just 18 months.In addition to USDe, we are excited to introduce iUSDe, tailored specifically for traditional financial institutions, equipped with essential compliance features that allow them to engage with the crypto-native rewards our protocol generates in a seamless manner.We have also partnered with BlackRock to develop USDtb, a fiat-backed GENIUS compliant stablecoin that has successfully scaled to approximately $2 billion.Moreover, we provide a whitelabel stablecoin solution, enabling any application, blockchain, wallet, or exchange to launch their own stablecoin using Ethena's robust infrastructure.Through these initiatives, Ethena Labs is not merely developing financial products; we are constructing the essential infrastructure for a more transparent, efficient, and interconnected global financial ecosystem.The Role:As the Head of Platform Engineering, you will lead the transformation of our scalable, secure, and high-performance platform, driving the underlying infrastructure that supports our dynamic startup environment. Reporting directly to the CTO, you will manage a focused team of 1-2 Senior/Intermediate DevOps Engineers and take comprehensive ownership of our platform strategy, ensuring that it aligns with our business objectives and empowers our engineering teams.You will remain actively involved in the technical aspects of the role, contributing as a staff or principal-level engineer, coding, designing architecture, and addressing complex technical challenges. Collaboration with engineering leads and senior colleagues across the organization will be essential to advance strategic initiatives, promote business growth, and deliver measurable value. Your mission includes enhancing our infrastructure, proactively removing bottlenecks, and fostering a world-class DevOps culture.

Engineering Manager - Core Platform (Forward Deploy)Role OverviewJoin our dynamic team as an Engineering Manager, where you'll spearhead the development of our core platform. Your leadership will shape the technical backbone that enables all enterprise deployments, focusing on creating scalable and reusable infrastructure.This position is centered on both product and platform strategy. You will champion engineering excellence, set high standards and practices, and architect systems that empower our delivery teams. Collaborating closely with Product, Architecture, and client-facing engineering teams, you will ensure our platform evolves to meet the growing needs of enterprises.About A.TeamA.Team is an innovative AI Systems Integrator partnering with Fortune 500 Consumer Packaged Goods and Retail brands. We are developing Assemble, an intelligent AI platform that revolutionizes how enterprise teams collaborate and operate.As we transition from bespoke client solutions to a robust platform model, this role is pivotal in laying the technical groundwork for our next growth phase.Your ResponsibilitiesLeading Platform EngineeringOwn and manage the roadmap and delivery of Assemble's core platform capabilities.Design and implement a scalable infrastructure encompassing data pipelines, knowledge management, agent orchestration, and enterprise integrations.Guide architecture decisions that align immediate delivery goals with the long-term scalability of the platform.Ensure the platform’s reliability, security, and performance at an enterprise scale.Championing Engineering ExcellenceEstablish and uphold engineering standards, development best practices, and code quality across the organization.Lead technical design reviews and architecture discussions to foster innovation.Cultivate an AI-native engineering team by integrating AI into workflows and practices.Mitigate technical debt while ensuring timely project delivery.Develop comprehensive documentation and promote knowledge-sharing practices.Build CI/CD pipelines, testing frameworks, and enhance developer tooling for improved productivity.Team Leadership and DevelopmentLead, mentor, and nurture a team of skilled platform engineers.Conduct one-on-one meetings, performance assessments, and career development discussions.Foster a collaborative and innovative team culture that drives success.

Hello! I’m Abhik, Co-Founder and VP of Engineering at Ashby. We are on the lookout for a driven and innovative full-stack software engineer who is passionate about addressing customer needs and making strategic long-term contributions to our evolving software products.At Ashby, you will experience the best of both worlds: the dynamic and empowering environment of a startup combined with the stability and scalability of a growth-stage company. Enjoy the autonomy to create product specifications, influence design decisions, and develop solutions in an environment that minimizes meetings. You will work on a platform that serves tens of thousands of daily users who rely on your contributions and are excited about upcoming features.We proudly serve prominent clients like Notion, Linear, Shopify, and Snowflake. Our impressive growth metrics, including a multi-million ARR and over 100% year-over-year growth with minimal churn, position us as industry leaders. We're eager to share more insights about our success during our conversation.You may have seen our job posting before as we are consistently expanding our team—we're projected to double in size this year! We're brimming with innovative ideas to enhance Talent Acquisition through software and are venturing into new product domains. Rest assured, we review every application and strive to respond within 3-4 days, often sooner.Role Overview and Work CultureOur engineering culture is designed to foster innovation and ownership, reminiscent of the environments where we thrived as individual contributors. I began my career developing software for the Visual Effects industry, where I learned the importance of understanding user needs and collaborating closely with stakeholders. This experience shaped my approach to product management, design, and agile development without the constraints of excessive meetings.Here at Ashby, we encourage creativity and provide our engineers with the autonomy and responsibility to drive meaningful change. We focus on problem-solving rather than merely ticket resolution, which cultivates an atmosphere ripe for innovation.

Are you passionate about making an impact but don’t see a position that fits your skills right now? We invite you to submit an open application! At 90seconds, we continuously seek talented individuals who are eager to contribute to our innovative journey.

Phantom is revolutionizing the way millions manage their finances with our cutting-edge money application. We seamlessly integrate everything users need to spend, manage, and grow their wealth into one accessible, intuitive platform. By harnessing the power of cryptocurrency, Phantom delivers all the benefits of modern finance while eliminating unnecessary complexities.With a steadfast commitment to security and user-friendly design, Phantom empowers users with robust financial tools that are both powerful and easy to navigate. Our relentless focus on speed and user experience has propelled us to a community of over 20 million users, securing the top position in the Google Play Store finance category and consistently ranking among the Top 50 apps across all categories, alongside the most recognized consumer technology brands globally.Key ResponsibilitiesKubernetes Management: Oversee and optimize Kubernetes clusters on AWS EKS, ensuring maximum reliability, performance, and security.Infrastructure Automation: Design, implement, and manage Infrastructure-as-Code solutions (Terraform/Pulumi) for efficient infrastructure provisioning.Performance Enhancement: Continuously monitor and enhance system performance, scalability, and resource efficiency.Blockchain Management: Set up and maintain crypto nodes across diverse blockchains to support seamless wallet operations.Database Optimization: Scale and optimize database infrastructures to effectively manage terabytes of blockchain data.System Reliability: Proactively enhance system uptime and observability using advanced tools like Datadog and OpenTelemetry.Team Collaboration: Collaborate closely with backend and product teams to support feature development and system scalability.

Join Canonical, a trailblazer in open source software and operating systems, as we redefine the cloud networking user experience. Our flagship platform, Ubuntu, powers transformative enterprise solutions in sectors like public cloud, AI, data science, and IoT. Serving a diverse clientele that includes top public cloud and silicon providers, Canonical is a pioneer in global distributed collaboration, boasting over 1200 employees across 75+ countries and a flexible remote work culture. We gather in dynamic locations worldwide two to four times a year to align on strategic initiatives.As a Senior UX Design Engineer at Canonical, you will play a crucial role in shaping how developers and operations teams interact with cloud networking infrastructure. Your mission will be to create intuitive, powerful, and engaging user experiences that simplify complex networking concepts. You'll lead the UX vision for our cloud portfolio, which includes MAAS, MicroCloud, and Ubuntu Server networking, helping to visualize network topologies and streamline configuration processes.

Don't see a fitting position?We encourage you to submit your application documents regardless!

Canonical, a global leader in open-source software, is seeking a Senior Software Engineer specializing in Identity Management. In this role, you will enhance and modernize our identity management solutions, focusing on authorization and access control across our enterprise offerings. You will be instrumental in developing features that directly impact the user experience of Canonical's products and services. This position involves collaboration with a distributed team, technical leadership, and hands-on software development using Go (Golang) and Python. Join us in redefining identity management for cutting-edge technologies such as public cloud, AI, and IoT.

Please note: This position is FULLY remote, but applicants must reside within the European region to effectively collaborate with our team, peers, and internal stakeholders. We welcome applications from anywhere in Europe, but please ensure you are physically located within this region.Hostaway is a leading SaaS scale-up revolutionizing the vacation rental industry. We provide innovative solutions and maintain strategic partnerships with industry giants like Airbnb, VRBO, and Booking.com, allowing us to effectively compete and thrive. Our customer-centric values drive consistent results that foster growth, learning, and innovation for our team and clients.As a profitable, high-growth company, we are proud to be the first unicorn in the short-term rental Property Management System sector . Join us during this exciting phase of our journey! Discover more about our recent achievements and valuation here.About the Role:Hostaway is on the lookout for a dynamic and driven Staff Backend Engineer to join our Core team. This team is crucial for integrating with our primary partners (Online Travel Agencies). These integrations are vital to our customers’ daily operations, enabling seamless connectivity between their properties and major booking platforms. If you have experience working with similar tools that manage large volumes of data and interact with complex APIs, you will be an excellent addition to our team! As a Staff Engineer, you will lead the technical evolution of your domain, ensuring a comprehensive understanding of architectural challenges and strategies for resolution over time.Collaboration with the domain’s Product Manager is essential. While the PM focuses on the what, you will be their counterpart responsible for determining the how. Your ability to delve deep into the technical aspects will be invaluable.

At Speechify, our mission is to eliminate barriers to learning through innovative technology.With over 50 million users, Speechify transforms the way individuals consume content by converting text – from PDFs to Google Docs to websites – into engaging audio experiences. Our award-winning suite of text-to-speech products, including iOS, Android, Mac applications, Chrome Extension, and Web App, empowers users to read faster, retain more, and enjoy a richer learning experience. Recently recognized as the Chrome Extension of the Year by Google and awarded the 2025 Design Award for Inclusivity by Apple, we are committed to delivering exceptional value to our users.Our team of nearly 200 talented professionals operates in a fully remote environment, bringing together experts from top-tier companies like Amazon, Microsoft, and Google, as well as thought leaders from esteemed institutions like Stanford and high-growth startups like Stripe and Vercel.Role OverviewAs a pivotal member of our Platform team, you will be responsible for architecting and maintaining our backend services, which encompass payment solutions, analytics, subscription management, innovative product development, text-to-speech functionality, and external API integrations. This role is perfect for individuals who thrive in dynamic settings, possess strategic thinking capabilities, and are passionate about crafting user experiences that delight and engage.We embrace a flat organizational structure that empowers every team member to demonstrate leadership through technical excellence and impactful results. Strong work ethic, effective communication, and a relentless drive for success are essential qualities we seek in our candidates.Our interview process involves multiple technical assessments, with a goal of completion within one week.

At voltairegroup, we are continually on the lookout for passionate talents, regardless of your specialty.While we primarily recruit in Bidart (Pays Basque), France, we also have openings in various other locations as well as internationally, particularly in the USA, Canada, the United Kingdom, and Germany.

At GuidePoint Security, we are dedicated to delivering top-tier cybersecurity expertise, solutions, and services that empower organizations to make informed decisions while minimizing risks. Our comprehensive three-tiered approach to evaluating security postures and ecosystems enables leading organizations, including Fortune 500 companies and U.S. government entities, to effectively identify threats, optimize resources, and implement tailored solutions to mitigate risks.Role OverviewAs a Senior Application Security Consultant within our Strategic Services team, you will provide a wide range of strategic Application Security services, including Application Threat Modeling, Application Architecture Reviews, and AppSec/DevSecOps Program Assessments. This role offers an excellent opportunity to engage with clients across diverse industries and contribute significantly to enhancing their security postures.Joining our elite team, you will be responsible for conducting engagements, maintaining effective communication with clients, delivering detailed reports, and providing actionable remediation guidance. Additionally, you'll play a vital role in refining our service offerings in alignment with emerging threats and evolving client needs.We are particularly interested in candidates who have transitioned from software development into the realm of application security, possessing hands-on coding experience and a comprehensive understanding of secure software development practices.

AAX is continually seeking outstanding talent to join our dynamic team.Even if our current openings do not perfectly match your qualifications, we encourage you to submit a speculative application.We value specific skills and experiences, but we are equally interested in exceptional individuals whose aspirations and values align with those of AAX.

Join Liatrio as a Principal Application Modernization ArchitectLiatrio is a distinguished consulting firm dedicated to helping enterprises accelerate software delivery with improved safety and efficiency. Our approach combines engineering delivery with people enablement, driving Application Modernization and DevOps transformations across diverse sectors, including finance, healthcare, and defense.Role OverviewWe are seeking an experienced leader who has a strong background as an Enterprise Architect, Strategic Architect, Field CTO, or similar roles. This individual should be passionate about modern enterprise architecture practices and committed to empowering clients through knowledge transfer, coaching, and skill development.As a Principal Application Modernization Architect, you will play a pivotal role in shaping Liatrio's strategic direction, overseeing the technical roadmap of significant engagements, and nurturing client relationships as a trusted advisor. Internally, you will collaborate with executive and senior leadership as we scale our operations. You will be responsible for ensuring the quality of code architecture and guiding multiple workstreams to technical success.Ideal Candidate TraitsOur team members embody a blend of the following qualities:- Eagerness to learn and grow- Commitment to open communication and transparency- Collaborative spirit, sharing responsibilities across teams- Proficient in navigating challenging conversations- Passion for solving intricate interpersonal, technical, and business challenges- Ability to recognize limitations and offer constructive solutions- Empathy and consideration for colleagues and clients alike