Full Stack Application Engineer Jobs

About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe. Working at Wolt isn’t always easy, but it’s definitely exciting. Here you’ll learn more, build more, and ship more than in most other companies. You’ll be challenged a lot, but also have a lot of fun on the way. So, if you’re a self-starter with drive and entrepreneurial spirit, this could be the ride of your life. As a Software Engineer in Global Retail, you'll shape how customers discover, browse, and buy retail products - apparel, beauty, electronics, auto parts and more - across Wolt, DoorDash and Deliveroo. Retail is a large growth opportunity for the business, and our mission is to be the most trusted and magical way to shop the brands and local stores customers love. You'll play a key role in making that real - from product discovery through to shopping experience in the apps millions of people use every day. You’ll join an evolving area where we are replacing and improving parts of the existing consumer apps, building specific retail journeys within large-scale B2C applications. This means working in a complex environment where multiple teams own different parts of the same app, and where strong technical judgment is needed to create consistency, quality and speed across teams. What You’ll Do As an engineer in our group, you’ll work on production-level microservices in Kotlin and Go, helping shape how Retail succeed with Wolt. You’ll have opportunities to: Design, build, and scale reliable systems that power Retail experiences. Work across the full development lifecycle – from business logic and testing to cloud infrastructure and data streaming. Collabo

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Engine DataModel team, you will own and innovate on the foundational components that form the backbone of the Roblox platform. In the Roblox Engine, the DataModel is a tree-like structure that is analogous to a scenegraph in other 3D engines. This role will report to the engineering manager and will be based out of our HQ in San Mateo, CA in a hybrid model 3 days a week (Tuesdays to Thursdays). Our team owns: The core structures and systems are used to build the DataModel and interact with it. The C++ reflection bindings that form the Engine’s Luau API surface and let creators interact with the DataModel. We’ve built custom codegen tooling to generate the C++ for these reflection bindings and other related structures. DataModel serialization … and much more! You will: Develop engine code that performs well for all user-created games on the Roblox platform. Build the core systems and data structures used in the Roblox engine, working with other teams to find universal solutions. Take ownership of projects throughout their full lifecycles. Execute code that performs well on all the devices Roblox supports—from desktop clients to mobile phone clients to con

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team The Platform Sales team works with B2B Software Platforms to help them facilitate payments for their customers using our Stripe Connect product. Software Platforms, also known as B2B Indirect, are software platform businesses who serve other businesses. Platforms already using Stripe include Shopify, Lightspeed and Mindbody. As a key member to the Stripe Platforms team, you will manage and elevate relationships with a named account list while identifying new growth opportunities and ways Stripe can exceed expectations. If you’re motivated, smart, persistent, and a great teammate, we want to hear from you! What you’ll do As an Account Executive (New Business), you will create partnerships between Stripe and the most innovative and fastest-growing software platforms in the world by helping them to understand how Stripe’s online commerce infrastructure can make payments a competitive advantage for their businesses. Responsibilities Directly manage and nurture a named account list and develop account plans for winning and expanding business with upper middle market and enterprise companies Build and maintain key relationships with C-level executives, while orchestrating the right executive touch points as well Contribute to shaping our platform partnership strategy and building repeatable processes and scaled engagement models Develop outbound strategies to create and nurture opportunities Own the full sales cycle from lead to close for upper middle market

Figma is growing our team of passionate creatives and builders on a mission to make design accessible to all. Figma’s platform helps teams bring ideas to life—whether you're brainstorming, creating a prototype, translating designs into code, or iterating with AI. From idea to product, Figma empowers teams to streamline workflows, move faster, and work together in real time from anywhere in the world. If you're excited to shape the future of design and collaboration, join us! We are looking for a Small Business Account Executive to join our team of high performing Account Executives. Figma is growing and moving fast. Our next team member will have an agile, dynamic mindset, be comfortable embracing change and a true team-player. You won’t be alone! Figma has an incredible team and you’ll work closely with other groups including Support, Design, Engineering, Product Marketing, Customer Success, and Community. You will report directly to our SMB Sales Manager who is also based in London. This is a full time role with hybrid working from our London office. What you'll do at Figma: Focus 100% on new customer acquisition, this is primarily an outbound driven role Prioritise your regional EMEA accounts, outbound prospect and build a strong pipeline Manage a 360 deal cycle and exceed targets Own sales activity and monthly revenue forecasting in Salesforce Work to develop and circulate best practices in a collaboration first environment We’d love to hear from you if you have: SDR/BDR experience in a pure outbound function AE closing experience Strong written prospecting and verbal communication skills Proven track record of success in your prior roles Competitive, adaptable, ambitious, collaborative and curious mindset Experience with Salesforce, Outreach and Sales Navigator While it’s not required, it’s an added plus if you also have: Passionate about design At Figma, one of our values is Grow as you go. We believe in hiring smart, curious people who are e

Forward was founded in 2013 by four Stanford Ph.D.s, building the industry's first network digital twin: a mathematically accurate model of the production network. It's the foundation for autonomous networking, giving engineers and AI agents the ability to know the impact of every change before it touches production. That founding instinct still defines how we work. We're accurate and evidence-driven, relentless about clarity, and we'd rather be certain than comfortable, building a groundbreaking platform that transforms how teams run and secure networks across every major cloud and vendor environment. Global leaders like Goldman Sachs, PayPal, S&P Global, IBM, and Dell trust Forward, alongside fast-growing enterprises and government agencies, realizing an average of $14.2 million in annual benefits, according to IDC. Backed by top-tier investors, including A. Capital, Andreessen Horowitz, Goldman Sachs, MSD Partners, Omega Venture Partners, Section 32, and Threshold Ventures, and headquartered in Santa Clara, we're most proud of our team: curious people who'd rather build what doesn't exist than accept how things have always been done. Forward is currently seeking a Java Backend Software Engineer to work as part of our Apps - Server team. The work will involve developing our web server, REST APIs, and product core by writing clean and solid code that interacts with our other services and components. Responsibilities include: Developing new product features that leverage the network model to help users: visualize their network, understand how it behaves, see how it has evolved, answer specific questions, and plan changes Designing the data model for new product features Proposing and implementing REST APIs to support the Forward web application and to publish to customers Constructively reviewing product designs, technical design documents, and code changes Requirements: At least 5+ years of full lifecycle software development experience Expertise in Java (versi

Who we are At Fluxon, we believe that how you build matters as much as what you build. We help businesses navigate their most important technology decisions with confidence, and take responsibility for seeing them through. Founded by ex-Googlers and startup veterans, we’re proud to partner with teams behind some of the most ambitious products, including Google, OpenAI, Anthropic, Walmart and Stripe. Our work spans strategy, design, and engineering — often in complex, AI-driven environments — where clarity, speed and quality are the standard. We use AI intentionally, applying it only where it adds real value and expands what’s possible. Care shapes everything we do. Inside Fluxon, you’ll find a global, remote-first team of experienced builders, who are curious, kind and serious about their craft. We’re building a place where people can take ownership, solve problems that matter and do work they’re proud to stand behind. If you want to do your best work alongside people who care as much as you do, you’ll feel at home here. About the role You are an architect for quality with the vision to define and build QA processes for any sort of app. You can work at any company in the world, but you choose us because you want to use your versatility and "nose for bugs" to solve new and interesting challenges. You are a champion of quality on multi-disciplined teams, blending a deep understanding of user experience with a technical approach to breaking systems. You are a thought partner to developers and product managers — someone who doesn't just find bugs but identifies systematic gaps. You are brilliant yet humble; a doer with high integrity who takes ownership of quality and enjoys a full life outside of work. If this sounds like you, we would love to chat! Note: This position is fully remote and open to candidates based anywhere in Poland or Portugal. Key responsibilities Define and evolve the end-to-end QA strategy and processes for entire products, determining the mos

In a nutshell: IDEO Shanghai is in search of a Visual Communication Designer/Graphic Designer who will guide, inspire and move both teams and clients using the craft of Graphic Design. Why is this role important for IDEO’s work? Graphic Designer makes the biggest impact to solving complex challenges by helping to bring ideas to life visually. We count on them to art direct and deliver good design. Once here you will: Be called upon to work on a wide range of things: brand identities and full brand implementation, graphics for retail spaces, packaging, workbooks and publications, rapid prototypes for consumer testing, illustrations of business ecosystems, exhibition graphics, user interfaces and even rolling your sleeves up to help create beautiful presentation decks. Work seamlessly with people come from diverse backgrounds to tackle complex challenge (including but not limited to Industrial Designer, Design Researcher, Business designer and Interaction Designer); Go out in the field and build empathy with users through activities like observing the life of a cosplay model and riding a car with a professional race car driver; What does IDEO offer you? IDEO is a place unlike any other. It’s a place where you can solve diverse, complex challenges for our clients or the organization, alongside thoughtful, intelligent individuals who lead with curiosity, empathy, and optimism. Sure we work hard, but we also intentionally craft moments that allow our community to pause, create, and connect. We encourage our community to bring their whole selves to work, respect the need for work-life balance, and allow for autonomy in the design process and your career. IDEO has been in China for over a decade and our mission is to create new value by enabling enlightened leaders to answer the right questions and to tackle systemic challenges. These can range from working with ambitious Chinese enterprises, multinationals and enterprising entrepreneurs on challenges to

About Us: AI needs a new infrastructure layer. We're building it at Modal. Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the window to build the layer underneath it is open right now. Our customers include category-defining companies like Ramp , Cognition, DoorDash, and Suno. They rely on Modal for instant GPU access, sub-second container starts, and native storage, so it's simple to serve low-latency inference, fine-tune models, and access production-ready sandboxes at scale. We've passed $1B in annualized run rate, up 15x from a year ago. In October 2026 we raised a $750M Series D led by Accel at a $15.75B valuation. Our team includes creators of popular open-source projects (e.g., Seaborn , Luigi ), academic researchers, international olympiad medalists, and experienced engineering and product leaders with decades of experience. The Role: We’re hiring an Enterprise Account Executive to accelerate Modal’s growth with the world’s most innovative AI companies. This is a high-impact role where you’ll own the full sales cycle—from building pipeline to closing large, strategic enterprise deals. You’ll partner directly with our founders, engineering, and product teams to help customers harness Modal’s infrastructure to train, deploy, and scale AI applications. You’ll be expected to operate as a builder: developing new relationships, shaping our GTM motion, and serving as the voice of the customer inside Modal. The ideal candidate is both technically curious and commercially driven—equally comfortable in a room with C-level executives and with machine learning engineers. In this role, you will: Drive new business by generating pipeline, negotiating, and closing complex enterprise deals Build deep, trusted relationships with technical and e

Perplexity is looking for an Applied AI Engineer to design, build, and iterate on cutting-edge agents powering our core experience in Perplexity Computer. Working in this mission critical team, you will develop frontier context layer applications - fulfilling the curiosity of millions of users across the globe. Key Responsibilities Apply state-of-the-art ML and LLM techniques to solve problems spanning: Personalization (LLM memory, context summarization, retrieval and ranking); Contextual recommendations and Monetization applications Build frontier agent capabilities on top of Perplexity Computer Build auto research harness for both offline and online techniques, designing experiments and metrics that provide deep insight into quality and impact. Own the entire model lifecycle from research to production: data analysis, modeling, evaluation, offline/online A/B testing, and iterative improvement and build autonomous harness for agent squad to explore different problem spaces. Collaborate cross-functionally with engineers, PMs, data scientists, and designers to ensure our AI drives meaningful product improvements. Stay at the forefront of ML/AI innovation by evaluating and incorporating emerging research and algorithms into the product lifecycle. Preferred Qualifications 5+ years experience building and shipping robust AI products for large-scale, user-facing or data-driven products. Strong software engineering skills (Python, production-quality codebases, collaborative development) and experience using agentic coding tools for large scale parallel developments. In-depth experience with the full AI lifecycle: data analysis, rigorous evaluation, and ongoing monitoring/improvement. Proven collaborator and communicator; excels in high-velocity, cross-functional teams. Curious, driven by end-user/product impact, and passionate about advancing the state of applied ML and AI. BS, MS, or PhD in Computer Science, Engineering, or related field (or equivalent experience). Bonus

About the role: We are looking for a talented and experienced University Recruiter, Contractor based in San Francisco to join our team and participate in the hiring process from beginning to end. You’ll be working directly with our hiring partners, recruiters and candidates to create a personal and positive recruiting experience. You will: Support Scale’s University Recruiting strategy: assist with the hiring process for our Internship and New Grad programs. Manage the full-cycle recruiting strategy and process including, but not limited to, sourcing, screening, interview process, closing and more. Understand what makes a great profile for our University roles and drive strategic sourcing and candidate engagement strategies to build strong and diverse pools of candidates. Cultivate relationships with students across partnered universities and develop positive relationships with faculty, staff, and student organizations as part of a well-researched recruiting strategy. Collaborate closely with various leaders across the organization in understanding and meeting their intern and new grad hiring needs. Work from the San Francisco office 3x per week. You have: 4+ years of full-cycle university recruiting experience in a fast-paced, high-growth environment, managing high-volume hiring. Experience in managing/leading all aspects of recruiting strategy for hard-to-fill, competitive positions. Passionate about campus recruiting and strong believer in bringing early career talent to Scale. Excellent verbal and written communication skills. Excellent negotiation tactics, and market knowledge. You have the ability to work with multiple departments, including remote teams, and build strong personal networks across our complex organization. Proven ability in attracting and sourcing both passive and active candidates (aka future graduates) across Bachelors, Masters, and PhD programs. Utilizing data to perform analysis, garner insights, and set goals. A flexible, adapt

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Senior Red Team Operator Job Type: Full Time Location: Hybrid (onsite 1/x week) -Washington D.C. Clearance Requirements: None Travel: Up to 10% ABOUT THE TEAM SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. Your successes will be supported by our diverse team of experienced, technical talent. WHAT YOU'LL DO Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). Develop and use custom tools and methods to evade detection and maintain stealth during engagements. Collaborate with blue and purple teams to improve detection, response, and overall security posture. Document findings and deliver clear, actionable reports to technical and executive stakeholders. REQUIRED QUALIFICATIONS US Citizen with the ability to obtain a Public Trust clearance. CRTO certification. CRTL, OSEP, OSCE, OSEE, GXPN, and/or GPEN are preferred, but not required. Extensive Red Team Experience: Minimum 6 years of hands-on technical red te

Atlas Search is a multi-cloud service that allows users to execute complex full text and vector search queries using the MongoDB Query Language . Our users are free to focus on relevance and data retrieval instead of the machinery needed to search data at scale. Our team is building the cloud-based distributed systems software responsible for the lifecycle of search indexes including: data ingestion, index building, partitioning, performance, availability, and backup management. Our product is quickly gaining traction with customers and we are making core architectural improvements that you will contribute to. We are looking to speak to candidates who are based in San Francisco, CA for our hybrid working model. Successful candidates will have the following qualities: 2+ years of hands-on experience designing, building, testing, and maintaining industrial-strength backend software in a complex codebase Experience developing distributed systems and multithreaded applications Experience with at least one modern statically typed programming language, and interest in working with Java Excellent verbal and written technical communication skills and enthusiasm for collaborating closely with colleagues A growth mindset and the desire to learn quickly through taking on challenges, reflecting on outcomes, and incorporating feedback A strong sense of ownership over their work, from initial design all the way through maintaining code in production You will: Contribute to the design, implementation, and support of projects that improve the scalability of Atlas Search to make using it a seamless experience for even the largest workloads Work with a collaborative team that prioritizes sound technical decision-making and building systems that our customers love and that we are proud of as engineers Have the opportunity to lead projects and own subsystems Provide input on the team’s roadmap and help determine the architecture of our system Success measures: In 3 months you’ll have a

Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across the globe, and Lifted, which provides a purpose-built solution for enterprise organizations to source, contract, manage, and pay talent across the full spectrum of contingent work. From Fortune 100 enterprises to entrepreneurs, businesses rely on Upwork Inc. to find and hire expert talent, leverage AI-powered work solutions, and drive business transformation. With access to professionals spanning more than 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and more, the Upwork family of companies enables businesses of all sizes to scale, innovate, and transform their workforces for the age of AI and beyond. Since its founding, Upwork Inc. has facilitated more than $30 billion in total transactions and services as it fulfills its purpose to create opportunity in every era of work. Learn more about the Upwork Marketplace at upwork.com and follow on LinkedIn , Facebook , Instagram , TikTok , and X ; and learn more about Lifted at go-lifted.com and follow on LinkedIn . We are seeking a Senior Director of Corporate Development who is passionate about M&A, investments and shaping the long-term strategy of a category-defining company. This senior role will help set, influence and implement inorganic growth opportunities through creative idea generation and disciplined execution, lead and manage the full deal lifecycle—identifying, evaluating and structuring M&A and investments as well as integrating acquisitions—and partner closely with the executive team to ensure each transaction can unlock innovation, accelerate growth and drive long-term shareholder value. This role

About the Team The Commerce Platform team at Meesho drives end-to-end growth, strategy, and operational excellence across key verticals: - User Growth: Scales the full lifecycle funnel—from acquisition and activation to retention—ensuring sustainable user growth and engagement across the platform. - Marketplace: Focuses on strengthening the seller ecosystem and improving selection quality to create a robust and reliable marketplace experience. - Category: Identifies high-potential segments, launches and scales new categories, and drives assortment expansion to meet evolving customer demand. - Mall: Builds a trusted branded destination for quality-conscious users, enhancing the platform’s premium and branded shopping experience. - Pricing: Ensures competitiveness and affordability, enabling the platform to deliver strong value for customers while maintaining marketplace health. - Content Commerce: Powers content-led discovery through creator ecosystems and inspiration-driven shopping journeys that drive engagement, trust, and conversion. Together, these verticals identify whitespace opportunities, launch and scale new initiatives, and continuously optimize the user lifecycle through data-backed decisions. Operating in a fast-paced, high-ownership environment, the team combines structured problem-solving with rapid execution to deliver meaningful impact. If you’re excited about building for Bharat, this role offers both strategic depth and hands-on impact. About the Role As a Senior Manager, you will function as a high-impact leader responsible for driving strategic initiatives that contribute directly to our GMV, NMV, and expansion of our user, seller, and creator base. You will own end-to-end problem-solving for critical workstreams, managing both demand and supply-side challenges while ensuring operational excellence. This role requires high fungibility, as you will navigate various sub-organizations to implement programs that make the platform more lucr

As a Customer Success Manager, you will proactively drive new product attachment and effective strong relationships across our existing customer base through on-boarding, up-selling and cross selling. You’ll advocate for the customer internally and focus on a positive customer experience. Interactions are rooted in relationship-management, first and foremost, while also advocating for growth opportunities. Customer Success Managers follow a well-defined methodology that helps them identify the customer's unique needs and clearly convey the value of the Datadog product. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Partner with the sales team to ensure smooth transition and onboarding experience Proactively build relationships with customers to create mutual trust Successfully carry-out the full-sales cycle for any growth opportunities in existing customer accounts Act as advisor to customers to ensure they’re leveraging the Datadog solution effectively Monitor and identify usage trends to uncover renewal risks and promote greater adoption rates Collaborate cross-functionally across internal Datadog teams (Support, Product, Finance, and Legal) Who You Are: A strong communicator with excellent attention to detail Motivated by building long-term and long-lasting relationships Driven by the opportunity to make a visible impact with your work 5-7 years of experience in a customer account facing role Customer-minded, always aiming to provide the most value possible Excited by working in an ever-evolving and fluid solution focused environment Experienced in negotiating contract terms and overcoming pricing objections without direct guidance for up-sell and cross sell activities Datadog values people from all walks of life. We understan