Backend Developer Intern Jobs

ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F , led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE Baseten is seeking talented and experienced Software Engineers to join our Platform team within the Infrastructure organization. As a member of Baseten's Platform Team, you will own the systems that let every engineer at Baseten prove their code works before it reaches production. Our product runs mission-critical AI inference for customers who measure downtime in dollars per second, which means our internal bar for correctness, performance, and failure tolerance has to be exceptional. Your focus is the full testing stack: fast and reliable unit test tooling, integration harnesses that spin up realistic environments on demand, load and performance testing for GPU-backed inference workloads, and resilience testing that deliberately breaks things so our customers never have to find out what happens when a node dies mid-request. This is a builder role with org-wide leverage. You won't be writing tests for other teams — you'll be building the frameworks, harnesses, and feedback loops that make writing good tests the path of least resistance, and you'll set the standards for what "well-tested" means at Baseten. RESPONSIBILITIES Own Baseten's testing strategy end to end — define the standards, the tiers, and the tooling that engineering teams build against. Build and maintain unit, integration, load and performance testing frameworks Design end to end test infrastructure that provisions realistic dependencies on deman

POSITION SUMMARY We are looking for a Full Stack Developer skilled in PHP, Angular, and MariaDB/MySQL to build scalable, secure, and high-performance web applications. Key Responsibilities · Develop and maintain backend services using modern PHP and MariaDB/MySQL. · Build RESTful APIs and integrate them with Angular applications. · Develop responsive UI components using Angular, TypeScript, HTML5, and CSS/SCSS. · Modernize legacy AngularJS components to Angular. · Implement authentication/authorization (OAuth, SAML, JWT, MFA) and follow OWASP security practices. · Work with Docker, Git/GitHub, and CI/CD pipelines. · Monitor and optimize frontend and backend performance (Sentry, CloudWatch). · Participate in Agile/Scrum processes and conduct code reviews. SPECIFIC JOB RESPONSIBILITIES 1. Frontend & UI Orchestration · Cross-Framework Mastery: Develop and optimize complex UIs in Angular (v16+) or React , ensuring seamless state management and responsive design. · T3 Stack Architecture: Lead the development of next-gen features using Next.js , Tailwind CSS , and tRPC for end-to-end type safety. · Modern Tooling: Utilize Vite, Turborepo, and modern CSS patterns to maintain a high-velocity developer experience. 2. Full-Stack & Backend Engineering · Type-Safe APIs: Build and consume GraphQL and REST APIs. Leverage tRPC to eliminate the need for manual API documentation between the frontend and backend. · Polyglot Data Management: * Architect relational schemas and optimize complex queries in PostgreSQL . o Manage unstructured security telemetry and real-time logs in MongoDB . · ORM & Migrations: Use Prisma or Drizzle to manage database interactions with 100% type coverage. 3. AI Integration & Innovation · LLM Implementation: Integr

POSITION SUMMARY The Full Stack Developer is skilled in PHP, Angular, and MariaDB/MySQL to build scalable, secure, and high-performance web applications. Key Responsibilities · Develop and maintain backend services using modern PHP and MariaDB/MySQL. · Build RESTful APIs and integrate them with Angular applications. · Develop responsive UI components using Angular, TypeScript, HTML5, and CSS/SCSS. · Modernize legacy AngularJS components to Angular. · Implement authentication/authorization (OAuth, SAML, JWT, MFA) and follow OWASP security practices. · Work with Docker, Git/GitHub, and CI/CD pipelines. · Monitor and optimize frontend and backend performance (Sentry, CloudWatch). · Participate in Agile/Scrum processes and conduct code reviews. SPECIFIC JOB RESPONSIBILITIES 1. Frontend & UI Orchestration · Cross-Framework Mastery: Develop and optimize complex UIs in Angular (v16+) or React , ensuring seamless state management and responsive design. · T3 Stack Architecture: Lead the development of next-gen features using Next.js , Tailwind CSS , and tRPC for end-to-end type safety. · Modern Tooling: Utilize Vite, Turborepo, and modern CSS patterns to maintain a high-velocity developer experience. 2. Full-Stack & Backend Engineering · Type-Safe APIs: Build and consume GraphQL and REST APIs. Leverage tRPC to eliminate the need for manual API documentation between the frontend and backend. · Polyglot Data Management: * Architect relational schemas and optimize complex queries in PostgreSQL . o Manage unstructured security telemetry and real-time logs in MongoDB . · ORM & Migrations: Use Prisma or Drizzle to manage database interactions with 100% type coverage. 3. AI Integration & Innovation · LLM Implementation: Integrate AI m

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. What You’ll Be Doing Develop and execute OKX’s retail growth strategy for Brazil, aligning local priorities with the company’s broader business objectives. Build and scale growth initiatives across relevant channels, partnerships, product-led programs, community activations, and local campaigns. Lead relationships with influencers and KOLs, from selection and negotiation to campaign execution and performance management. Support local PR efforts, working with global internal teams and external agencies to strengthen brand visibility and reputation. Own the strategy and execution of events, sponsorships, and offline activations that drive awareness, engagement, and user growth. Define KPIs, analyze performance, and translate data into actionable insights that drive measurable business results. Use AI tools to accelerate research, analysis, experimentation, personalization, content workflows, and operational efficiency. Manage multiple workstreams, budgets, partners, and stakeholders in a fast-paced, results-oriented environment. What We Look For In You Minimum of 8 years of experience in Marketing/Growth in fast p

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Join us in Prague and help build the next generation of security products. The Ubiquiti Prague office is looking for a Endpoint Security Software Engineer . Candidates should be prepared to work from our Prague office at least two times per week. Responsibilities: Design and develop endpoint security software Build reliable, high-performance software across modern operating systems Collaborate with engineers across backend, cloud, networking, and frontend Help shape the architecture of new security products Requirements: Proven experience developing endpoint security products (EDR, endpoint protection, endpoint management, or similar) is required Experience building complex software products Strong understanding of operating systems and systems programming Excellent problem-solving skills and engineering judgment Ability to work independently within a high-performing engineering team Professional proficiency in English Benefits: Competitive salary and 5 weeks of vacation per year Discretionary bonuses based on individual performance Flexible working hours, home office Access to all the latest Ubiquiti products and prototypes for home use and tests Top floor office near Andel with terrace and amazing view of Prague Kitchen packed with food, snacks & sodas, meal allowan

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity Interacts with customers to address their inquiries and problems in real-time. Quick responses through live chat and professional, courteous customer service are among your duties. Additionally, following up on help requests usually requires email communication as part of your tasks. What You’ll Be Doing Handling inquiries and issues from global customers in multiple languages through various channels, including email, chat, and voice. Collaborating with internal and external stakeholders, such as product managers and the marketing team, to address complaints and feedback related to websites, products, platforms, and services, etc. Maintaining a strong understanding of company products to effectively communicate with customers in their preferred language. Establishing and nurturing strong relationships with company partners and external stakeholders. Escalating any queries or unresolved issues to Level 2/Supervisors as directed by the operations management when they can not be resolved within standard procedures. W hat We Look Fo

Meet Yubico Yubico is a global leader in identity security and creator of the YubiKey, the original hardware-backed passkey. We are publicly traded on Nasdaq Stockholm; our global footprint includes headquarters in Stockholm, Sweden, Silicon Valley, California; and Singapore. Why Join Our Mission? At Yubico, we are guided by a shared belief that your work matters. We operate under a cultural philosophy of Speed with Integrity , pushing the boundaries of technology to secure the AI frontier—protecting both human and agentic AI interactions—and leading the transition to post-quantum cryptography. In everything we do, we live by our core values: Battle Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges and celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program , offering free open-source repositories , libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners like Google, Microsoft, and Amazon, as well as newer frontiers like OpenAI, we continue to shape a safer digital world while donating security keys to protect vulnerable communities, journalists, and humanitarian groups worldwide through our Secure it Forward program. At Yubico, we offer: Freedom and Flexibility: At Yubico, we want you to be your most productive selves whether you decide to work 100% from home or choose to work hybrid/onsite. The way we balance the fast-paced demands of a high-growth company and sustainability is making rest a priority. Yubico Values: We work to ensure that our employees have an open space to have their voices amplified to create a wo

Meet Yubico Yubico is a global leader in identity security and creator of the YubiKey, the original hardware-backed passkey. We are publicly traded on Nasdaq Stockholm; our global footprint includes headquarters in Stockholm, Sweden, Silicon Valley, California; and Singapore. Why Join Our Mission? At Yubico, we are guided by a shared belief that your work matters. We operate under a cultural philosophy of Speed with Integrity , pushing the boundaries of technology to secure the AI frontier—protecting both human and agentic AI interactions—and leading the transition to post-quantum cryptography. In everything we do, we live by our core values: Battle Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges and celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program , offering free open-source repositories , libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners like Google, Microsoft, and Amazon, as well as newer frontiers like OpenAI, we continue to shape a safer digital world while donating security keys to protect vulnerable communities, journalists, and humanitarian groups worldwide through our Secure it Forward program. The Role Join the team in charge of the infrastructure that supports our engineering teams. Working across Sweden and the US, we build and operate secure, reliable cloud platforms and software delivery systems. You will design and operate shared infrastructure, eliminate toil, and improve the developer experience. Our platform runs on GCP, focused on multi-tenant GKE clusters and managed cloud services.

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. About the Opportunity OKX offers deep liquidity, competitive tiered fee structures, and low-latency infrastructure across spot, perpetuals, and options, built for traders who need scale and speed This is a strategic hire to build and own OKX's HFT/proprietary trading relationships in the Australian market What You’ll Be Doing Providing exposure to digital asset products to your network of traders (proprietary trading groups, high frequency traders, and others), and building this network with OKX's support and resources Developing a strategy to serve traders interested in exposure to digital asset products, including building a pipeline of prospects Managing the sales cycle for traders end-to-end, including working with OKX's: - technical experts to answer product questions; and - business leads to align on commercials for each deal. Taking product feedback from traders, then communicating this internally to support product improvements Negotiating commercial terms with prospects, including fee tier structures, rebates, and liquidity provision incentives Coordinating onboarding of new accounts, including wholesale/sophisticated investor classification, KYC, and legal documentation, working closely with OKX's Compliance an

Meet Yubico Yubico is a global leader in identity security and creator of the YubiKey, the original hardware-backed passkey. We are publicly traded on Nasdaq Stockholm; our global footprint includes headquarters in Stockholm, Sweden, Silicon Valley, California; and Singapore. Why Join Our Mission? At Yubico, we are guided by a shared belief that your work matters. We operate under a cultural philosophy of Speed with Integrity , pushing the boundaries of technology to secure the AI frontier—protecting both human and agentic AI interactions—and leading the transition to post-quantum cryptography. In everything we do, we live by our core values: Battle Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges and celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program , offering free open-source repositories , libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners like Google, Microsoft, and Amazon, as well as newer frontiers like OpenAI, we continue to shape a safer digital world while donating security keys to protect vulnerable communities, journalists, and humanitarian groups worldwide through our Secure it Forward program. The Role: We are looking for a talented IT Support & Services Manager to lead our global IT team. In this role, you will play a critical part in maximizing the team's full potential, ensuring the efficient operation of our Information Technology department, and driving key business objectives. As a hands-on manager, you will focus on executing, optimizing, and maintaining operational workflows. Your

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity Interacts with customers to address their inquiries and problems in real-time. Quick responses through live chat and professional, courteous customer service are among your duties. Additionally, following up on help requests usually requires email communication as part of your tasks. What You’ll Be Doing Handling inquiries and issues from global customers in multiple languages through various channels, including email, chat, and voice. Collaborating with internal and external stakeholders, such as product managers and the marketing team, to address complaints and feedback related to websites, products, platforms, and services, etc. Maintaining a strong understanding of company products to effectively communicate with customers in their preferred language. Establishing and nurturing strong relationships with company partners and external stakeholders. Escalating any queries or unresolved issues to Level 2/Supervisors as directed by the operations management when they can not be resolved within standard procedures. What We Look For

Employee Applicant Privacy Notice Who we are: Shape a brighter financial future with us. Together with our members, we’re changing the way people think about and interact with personal finance. We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world. The Role: We are seeking a highly skilled and experienced Staff Software Engineer to join our Test Platform team. In this role, you will have the opportunity to directly impact the design and architecture of our Developer Platform and tooling that enables SoFi engineers to create and deliver high-quality solutions. You will collaborate and partner with a curious team of engineers to design and deliver solutions that raise the testing and reliability standards for our backend and web applications. This new team will be focused on building a green field project to enable autonomous testing for our AI driven SDLC, leveraging cutting edge technologies to deliver a highly resilient and thorough platform. If you are a seasoned Staff Software Engineer with a passion for building products that just work and enabling developers to build reliable services, and a strong background in distributed systems, we invite you to apply for this exciting and new opportunity. What You’ll Do: Provide technical leadership for initiatives in Testing and Reliability, with a focus on integrating AI-driven automation and autonomous testing practices. Collaborate with product engineering teams to understand requirements and design platform capabilities that are efficient, robust, and developer-friendly. Architect and implement solution

About Supabase Supabase is the Postgres development platform, built by developers for developers. We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. All services are deeply integrated and designed for growth. About the Role We're looking for engineers to join the team building Supabase Lite , a lightweight, TypeScript-native implementation of Supabase. It runs interchangeably on SQLite and Postgres and ships a PostgREST and Auth compatible API, so applications written against @supabase/supabase-js work as-is. It exists because AI builders and platform partners need a database they can give to every prototype without the cost or the wait: sub-second provisioning, a footprint small enough to run inside a sandbox, and an upgrade path to full Supabase when an app graduates to production. This is a role with a lot of agency. Small team, working product, patterns still to be set - you'll own large areas end to end and make real decisions from day one. What You'll Be Responsible For In this role, you'll: Grow API compatibility with the Supabase client, keeping behavior faithful to hosted Supabase and backed by conformance tests Bring more of the Supabase stack to SQLite Build and harden the path for upgrading a project from Supabase Lite to full Supabase Own the developer experience end to end: the CLI, local tooling, and docs Build and harden the hosted offering on a scale-to-zero, near-zero-cost footing, kept loosely coupled so the implementation can be swapped without a rewrite Work directly with design partners and turn real-world migration and integration friction into a sharper product Engage with the open-source community and contribute back to the broader Supabase stack. You Might Be a Good Fit If You Have substantial backend or full-stack experience with strong fluency in TypeScript, and have built or contributed to a backend system, framework, or developer platform before Are a strong generalist,

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity The FP&A Manager will support the end-to-end close lifecycle for our San Jose operations, driving accuracy and efficiency across journal entry preparation, reconciliations, and analysis. This role serves as a key pillar in the finance department, supporting critical month-end and year-end close activities while ensuring strict compliance with internal policies and tax regulations. As a proactive problem-solver, you will not only manage cross-functional queries and audit documentation but also identify strategic opportunities to automate workflows and streamline close processes within a fast-paced, complex organizational environment. What You’ll Be Doing Reporting directly to the Global Head of Finance, the Senior Manager FP&A will own the company's financial roadmap — from the annual operating plan and rolling forecasts to investor-grade scenario models and capital markets presentations. Critically, this person will also serves as the primary financial content author for investor-facing materials and investor engagement, working alongside the Global Head of Finance, CFO, and CEO to articul

Meet Yubico Yubico is a global leader in identity security and creator of the YubiKey, the original hardware-backed passkey. We are publicly traded on Nasdaq Stockholm; our global footprint includes headquarters in Stockholm, Sweden, Silicon Valley, California; and Singapore. Why Join Our Mission? At Yubico, we are guided by a shared belief that your work matters. We operate under a cultural philosophy of Speed with Integrity , pushing the boundaries of technology to secure the AI frontier—protecting both human and agentic AI interactions—and leading the transition to post-quantum cryptography. In everything we do, we live by our core values: Battle Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges and celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program , offering free open-source repositories , libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners like Google, Microsoft, and Amazon, as well as newer frontiers like OpenAI, we continue to shape a safer digital world while donating security keys to protect vulnerable communities, journalists, and humanitarian groups worldwide through our Secure it Forward program. At Yubico, we offer: Freedom and Flexibility: At Yubico, we want you to be your most productive selves whether you decide to work 100% from home or choose to work hybrid/onsite. The way we balance the fast-paced demands of a high-growth company and sustainability is making rest a priority. Yubico Values: We work to ensure that our employees have an open space to have their voices amplified to create a wo