Backend Developer Intern Jobs

Join Delphi - Where Innovation meets transformation At Delphi, we believe in creating an environment where our people thrive. Our hybrid work model empowers you to choose where you work—whether it's from the office, your home, or a mix of both—so you can prioritize what matters most. We are committed to supporting your personal goals, family, and overall well-being while driving transformative results for our clients. We welcome exceptional talent from anywhere across the globe. Interviews and onboarding are conducted virtually, reflecting our digital-first mindset. Rooted in the region, we specialize in delivering tailored, impactful solutions in Data, Advanced Analytics and AI, Infrastructure, Cloud Security, and Application Modernization. Whether it’s enabling predictive analytics , transforming operations with automation, or driving customer engagement with intelligent platforms, we are the trusted partner for organizations ready to embrace a smarter, more efficient future. We are seeking a versatile and accomplished Senior Full Stack Developer who thrives at the intersection of elegant user experiences and powerful backend systems. This role is for a technical polyglot who can architect complete solutions—from React-powered interfaces to AI-driven Python backends—and lead teams in building cohesive, production-ready applications that deliver exceptional value to our clients. The ideal candidate is equally comfortable crafting performant Next.js applications and designing scalable FastAPI services. You'll be the technical bridge between frontend and backend teams, ensuring seamless integration, consistent best practices, and end-to-end delivery excellence across our consulting engagements. Architect and deliver full-stack solutions using React/Next.js on the frontend and Python/FastAPI on the backend Build responsive, accessible React applications that consume and visualize data from Python-based APIs and services Develop robust

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. We are seeking a highly motivated Software Engineer II with strong experience in test automation to contribute to Developer Productivity, with a focus on Test Platform Engineering. The Test Infra team empowers developers to efficiently write, run, analyze, and maintain automated tests. The team’s goals include expanding testing capabilities; building and maintaining testing frameworks; optimizing test orchestration; improving post-run reporting; ensuring the performance and reliability of CI pipelines; introducing AI-driven solutions to enhance developer productivity; and promoting best practices for test automation across the organization. As a Software Engineer II in Test Platform Engineering, you will play a key role in building and evolving the core testing infrastructure that supports engineering productivity across the organization. Your work will have a direct impact on how hundreds of engineers develop, validate, and deliver high-quality software. You will focus on designing and maintaining scalable, reliable, and developer-friendly frontend and backend test automation solutions, as well as CI pipelines, enabling teams to deliver changes with confidence and receive fast, actionable feedback. You will collaborate closely with the Engineering Manager and the team in Europe to continuously improve quality. Affirm is growing fast and we want you to enable us to scale our products to 10x and beyond through building world-class systems that enable Affirm in its mission to provide honest financial products that improve lives. What You'll Do: Own, improve, and maintain integration and E2E test automation frameworks, alon

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. We are seeking a highly motivated Software Engineer II with strong experience in test automation to contribute to Developer Productivity, with a focus on Test Platform Engineering. The Test Infra team empowers developers to efficiently write, run, analyze, and maintain automated tests. The team’s goals include expanding testing capabilities; building and maintaining testing frameworks; optimizing test orchestration; improving post-run reporting; ensuring the performance and reliability of CI pipelines; introducing AI-driven solutions to enhance developer productivity; and promoting best practices for test automation across the organization. As a Software Engineer II in Test Platform Engineering, you will play a key role in building and evolving the core testing infrastructure that supports engineering productivity across the organization. Your work will have a direct impact on how hundreds of engineers develop, validate, and deliver high-quality software. You will focus on designing and maintaining scalable, reliable, and developer-friendly frontend and backend test automation solutions, as well as CI pipelines, enabling teams to deliver changes with confidence and receive fast, actionable feedback. You will collaborate closely with the Engineering Manager and the team in Europe to continuously improve quality. Affirm is growing fast and we want you to enable us to scale our products to 10x and beyond through building world-class systems that enable Affirm in its mission to provide honest financial products that improve lives. What You'll Do: Own, improve, and maintain integration and E2E test automation frameworks, alon

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Software Engineer II (Frontend) - Customer Developer Observability We believe that our customers' success is our success, and that starts with an effortless integration experience for our customers and partners. We move fast, we own our work from end to end, and we're committed to making our technology intuitive and powerful for the developers and their AI agents who build on it. The mission of the Developer Observability team is to deliver a product suite that provides this clarity, empowering customers with not only the necessary troubleshooting insights but also the guidance to implement industry best practices and ensure their integrations are continuously optimized for future innovation. Sounds exciting? Keep reading! What you’ll do: Be part of a full-stack team of Frontend, Backend and Data engineers who like to balance robust design with lean development, by validating concepts with minimal effort and then being able to shift to highly reliable systems You will be primarily working on the user interfaces for the team using Vue.js to help us scale our business by providing the best possible user experience for users of our product You will be responsible for the full life cycle of your developments. This includes architecture, communicating with stakeholders to understand requirements (product owners, product desig

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong product-market fit and world-class investor support. We’re scaling fast and defining a new category in real time. The work is ambitious, the bar is high, and the opportunity for growth — personal, professional, and financial — is unmatched. Our team moves fast, takes ownership, and is deeply committed to the mission — operating with intensity, staying close to our customers, and pushing each other for excellence. We live by three values: Decisiveness, Simplicity, and Job's Not Finished. We act quickly on clear judgment over perfect information, we believe simplicity is what scales, and we're never satisfied with where we are. If you want to do the best work of your career alongside people who share that drive, we'd love to build with you. At Harvey, the future of professional services is being written today — and we’re just getting started. Role Overview As a Backend Platform Engineer at Harvey, you will help build and operate the cohesive backend platform that all our services run on. In this mid-to-senior level role, you’ll design and implement shared frameworks and libraries that abstract common concerns, improve developer experience, and raise the baseline for reliability and performance across all teams. Your mission aligns with our platform charter: create “a shared foundation that enables product teams to ship reliable, observable, and performant experiences quickly and safely.” By centralizing common work, you’ll let product engineers focus on shipping features rather than re-inventing the wheel. This is a high-impact role where the code you write and the systems you build will amplify the productivity and qual

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. As a Staff SSD Firmware Engineer at Micron Technology, Inc., you will build groundbreaking high-performance controller firmware for volatile and non-volatile memory systems. You will assist in the evaluation, creation, build, bench testing, debugging, and failure analyzes of firmware for new high-performance memory controllers and Solid State Drives (SSD) that will improve performance, while reducing power, latency and SoC (System on Chip) complexity for the target sectors. You can expect to partner multi-disciplinary Engineers seek multi-functional product development issues. You will triage failures, file bug reports, and help the development teams with isolating issues. 6-15 Years in SSD/Storage Firmware Development would be a strong plus. Strong firmware design and debug experience using assembly and C programming. Knowledge of NAND flash, SSD flash translation layer, wear leveling, garbage collection. Knowledge on backend SLC, MLC, QLC concepts in the architecture of solid-state drives (SSDs) and flash memory. Knowledge of mass storage interfaces such as SATA, SAS, NVMe (optional but strong plus). Knowledge of configuring and debugging issues from the usage of register settings of ASICs in an SoC and embedded firmware dev environment High level of skill in problem recreation and trapping, and in identifying performance critical algorithms for optimization. Strong skill in ARM development tools and IDE such as Eclipse Ability to scope and esti

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE As a Software Engineer on our team, you will drive core middleware innovation that unifies and scales Everpure’s™ industry-leading FlashArray and FlashBlade storage platforms. Acting as a key technical anchor, you will own critical backend infrastructure end-to-end while collaborating with cross-functional global engineering teams to deliver high-performance, six 9s reliable systems. You will modernize system architectures, build unified management layers, and extend core capabilities into public cloud environments without impacting customer uptime. If you thrive on individual code ownership, value deep craftsmanship, and want to directly shape enterprise-grade data infrastructure, this role offers an exceptional platform for your impact. WHAT YOU’LL DO Build Unified Middleware Services: Develop high-throughput, multi-threaded Java and Spring-based middleware components that bridge FlashArray and FlashBlade platforms into a seamless enterprise management layer. Maintain REST API Infrastructure: Implement and refine multi-versioned REST API specifications, developer workflows, and SDKs to support reliable data delivery across CLI, GUI, and cloud interfaces. Deliver Resilient System Features: Write and test fault-tolerant backend software and algorithms end-to-end to maintain six 9s reliability standards across mission-critical systems and public cloud integrations like AWS Cloud Block Store. Refactor &a

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Company Description: Okta is an integrated identity and mobility management service. Built from the ground up in the cloud, Okta securely and simply connects people to their applications from any device, anywhere, at anytime. Okta integrates with existing directories and identity systems, as well as thousands of on-premises, cloud and mobile applications, and runs on a secure, reliable and extensively audited cloud-based platform. More than 5,000 customers, including Adobe, Allergan, Chiquita, LinkedIn, MGM Resorts International, Shire Pharmaceuticals and Western Union, use Okta to improve employee productivity, increase supply chain efficiency and revenue and improve compliance. The thousands of enterprises and cloud vendors, as well as the millions of people using Okta, are the foundation of the industry's fastest growing IT network for the cloud and mobile world. Okta is backed by premier venture capital firms Andreessen Horowitz, Greylock Partners, Khosla Ventures and Sequoia Capital. To learn more about Okta, visit: https://www.okta.com . Position Description: Okta Engineering is looking for a Software Engineer Manager to help us scale and increase velocity. You will be driving and perfecting our vision of Continuous Delivery, increasing the velocity and productivity of engineering. You will work with a wide range of stakeholders and partners, including Engineers, Architects, Operations, Program Management, and Quality. We have a gre

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Company Description: Okta is an integrated identity and mobility management service. Built from the ground up in the cloud, Okta securely and simply connects people to their applications from any device, anywhere, at anytime. Okta integrates with existing directories and identity systems, as well as thousands of on-premises, cloud and mobile applications, and runs on a secure, reliable and extensively audited cloud-based platform. More than 5,000 customers, including Adobe, Allergan, Chiquita, LinkedIn, MGM Resorts International, Shire Pharmaceuticals and Western Union, use Okta to improve employee productivity, increase supply chain efficiency and revenue and improve compliance. The thousands of enterprises and cloud vendors, as well as the millions of people using Okta, are the foundation of the industry's fastest growing IT network for the cloud and mobile world. Okta is backed by premier venture capital firms Andreessen Horowitz, Greylock Partners, Khosla Ventures and Sequoia Capital. To learn more about Okta, visit: https://www.okta.com . Position Description: Okta Engineering is looking for a Software Engineer Manager to help us scale and increase velocity. You will be driving and perfecting our vision of Continuous Delivery, increasing the velocity and productivity of engineering. You will work with a wide range of stakeholders and partners, including Engineers, Architects, Operations, Program Management, and Quality. We have a gre

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Are you looking to solve challenging engineering problems impacting Enterprise customers with 10,000+ employees? How about building a platform that contributes to mission-critical projects such as launching a rover to Mars, reducing carbon footprint by launching energy-efficient warehouses, launching critical life-saving medicines in International markets, or planning a brick-and-mortar store deployment? The Smartsheet Portfolio Management Pillar is looking for curious and passionate Frontend and Fullstack Software Engineers. You will help us build enterprise-grade applications within the Portfolio Collaborative Work Management space, an area that grew 4x year-over-year. Our applications manages three areas that serve our customers: A feature-rich config management tool that allows power users the ability to create their business processes; A fast and reliable orchestration engine that runs millions of distributed transactions per day; A global management service that alters the attributes of Project assets and ensures the state of the Portfolio is running and updates are managed at-scale. Our Engineering team members are passionate about working on multiple projects using several technologies. We are a self-operating service team and use a diverse set of Frontend (JavaScript, TypeScript, React), Backend (Ruby/Java), and Cloud-native services(AWS). In 2005, Smartsheet was founded on the idea that teams and millions of people worldwide deserve a better way to deliver their very best work. Today, we deliver a leading cloud

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As a Senior Software Engineer on the Stablecoin team within the Developer group, you'll help build and scale Coinbase Custom Stablecoins (CCS), the platform that lets partners launch their own branded, USDC-backed stablecoins on Coinbase's infrastructure. This role sits at the intersection of backend engineering and smart contract development - you'll own the services and onchain contracts that power issuance, reserves, minting and burning, and rewards distribution for a fast-growing roster of partners. What you'll do: Own and evolve the smart contracts that mint, burn, and safeguard custom stablecoin supply, shipping changes in a secure and auditable way. Build and scale backend services that power onboarding, issuance, reserve accounting, and rewards distribution. Partner with product, design, and tech leads to turn the stablecoin roadmap into shipped features every quarter. Drive architectural decisions across the backend and smart contract surface, balancing security, scalability, and speed of delivery. Write high-quality, well-tested code and raise the bar for operational excellence across the team. Required Skills and Experience: 5+ years of experience in software engineering, including designing, building, and operating production backend services. Experience writing, testing, and deploying smart contracts (Solidity or similar EVM languages) in production, ide

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 OKX’s Internal Audit function has an early-stage, working AI-native capability: live dashboards, agentic workflows, and AI-powered apps that let a very small team punch far above its weight. Your job is not to rebuild it at today’s maturity. Your job is to take it to a regulator-grade production standard and well beyond , and to drive AI Enablement across the department. You own the products people touch: the real-time dashboards that drive Chief Audit Executive and board reporting , the computer-assisted audit technique (CAAT) and continuous-monitoring surfaces auditors work from, and the agentic, AI-powered apps that make the team faster, and you get auditors to adopt them. You build on the platform’s runtime and harness rather than reinventing them. We hire on demonstrated building , not on claims or credentials. We expect you to be more capable than the hiring manager in your domain: you will co-own and challenge the tooling strategy, not just implement it. This is a two-person engineering team: you deploy, debug, and hotfix your counterpart’s stack when needed. What You’l

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 OKX’s Internal Audit function has an early but working AI-native capability: a multi-agent platform (Hive Mind), agentic workflows, data pipelines, and AI-enabled tools that let a very small team punch far above its weight. Your job is not to rebuild it at today’s maturity. Your job is to take it to a regulator-grade production standard and well beyond , and to drive AI Enablement across the department. You own the foundation, the agent runtime, and the harness: a resilient cloud platform, the agentic runtime and evaluation harnesses that make agents trustworthy in a regulated setting, and the governed data and AI infrastructure everything else depends on. We hire on demonstrated building , not on claims or credentials. We expect you to be more capable than the hiring manager in your domain: you will co-own and challenge the tooling strategy, not just implement it. This is a two-person engineering team: you deploy, debug, and hotfix your counterpart’s stack when needed. Environment Cloud on AWS or GCP . Claude as the starting point in a deliberately multi-model architecture (Anthropic

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . Agent Verification builds systems that help Coinbase safely ship software in an AI-native development environment. The team develops automated code review, risk and policy evaluation, CI evidence, and merge controls that reduce routine manual work while preserving human judgment for higher-risk changes. As a Senior Software Engineer, you will design and build reliable backend services and integrations across source control, CI/CD, policy systems, and developer workflows. You will lead the adoption of a consistent and observable merge path, partner with Security, Compliance, Infrastructure, and product engineering teams, and improve how software changes are reviewed and shipped across Coinbase. We are looking for an experienced backend or platform engineer who has built distribute

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As a Senior Software Engineer on the Access & Authorization team within the Platform group, you'll help shape the systems customers use to securely access Coinbase. This team builds and operates distributed services at the intersection of security, identity, developer infrastructure, and customer experience. You'll design foundational authentication and authorization capabilities that balance strong security with a simple experience, creating leverage across every Coinbase product and partner integration. What You'll Do: Own end-to-end design, implementation, and operation of capabilities across authentication, OAuth, sessions, tokens, 2FA, account recovery, and edge authorization. Build secure, low-latency Go and gRPC services used across Coinbase's web, mobile, API, and partner experiences, with strong observability, failure testing, and measurable SLOs. Lead technical designs for complex initiatives such as signed authorization tokens, passkeys, biometric recovery, device-aware authentication, and mobile OAuth. Partner with product, security, fraud, and infrastructure teams to balance customer conversion, account protection, regulatory requirements, and engineering constraints. Simplify integration patterns and build self-service tooling that enables product teams to adopt access and authorization capabilities safely at scale. Mentor engineers and raise