Staff Software Engineer – Full Stack & GenAI

About Mercari Group Mercari is Japan's largest C2C marketplace, founded in 2013. The company’s mission centers on building a global marketplace where anyone can buy and sell. After becoming Japan’s first tech unicorn before its 2018 IPO, Mercari has focused on expanding internationally and driving innovation. Mercari Group invests in both people and technology, growing its reach from Japan to the U.S. and beyond. The organization has launched new businesses, including Merpay, a mobile payment service designed to help people achieve their goals through a new ecosystem of payments and credit. Today, Mercari Group includes subsidiaries in logistics, B2C platforms, blockchain, and sports team management. The company aims to make its services accessible worldwide. To support this vision, Mercari has established its India Center of Excellence in Bengaluru, Karnataka, seeking talented professionals to help shape its future as a global tech leader. Our Culture Mercari’s mission is rooted in a shared set of values and perspectives. Four core values guide the way teams work together: Go Bold All for One Be a Pro Move Fast The company’s culture also stands on four pillars: Sustainability Diversity & Inclusion Trust & Openness Well-being for Performance Mercari is committed to maintaining this culture as it grows. The team values an environment where people from diverse backgrounds are welcomed and recognized. For more on how Mercari works, see the Mercari Culture Doc. Role Overview: Full Stack Software Engineer Mercari Group is hiring an experienced Full Stack Engineer for its Bengaluru office. This role is open to professionals with 5 to 8 years of experience who are ready to join a collaborative engineering team. The position offers the chance to contribute to products and services used by millions as Mercari expands its global presence. Key Responsibilities The Full Stack Engineer will: Work across the stack to design, build, and maintain scalable web applications Collaborate with team members to deliver high-quality software Contribute to the ongoing improvement of engineering practices Support Mercari’s mission to make its marketplace accessible globally Location Bengaluru, Karnataka, India

Join our team as a Senior Full Stack Engineer for one of Weekday's prestigious clients!Salary range: Rs 3000000 - Rs 4000000 (INR 30 - 40 LPA)Minimum Experience: 4 yearsLocation: BengaluruJob Type: Full-timeIn this influential role, you will take charge of the entire lifecycle of product features, from designing data models to creating engaging user interfaces. You will serve as a vital link between engineering and product, converting intricate enterprise workflows into streamlined, superior experiences. Your focus on user experience will ensure full ownership of verticals while promoting optimal design and functionality.

Anyscale is hiring a Full-Stack Software Engineer focused on Observability for its Bengaluru team. This position centers on building and improving observability features across both front-end and back-end systems, supporting the platform's performance and insight capabilities. Role overview This role involves developing tools that provide real-time analytics and monitoring for users. The work directly supports the scalability and reliability of Anyscale's products, contributing to the overall success of the platform. Collaboration Engineers in this position join a team that values collaboration and innovation. Expect to share ideas and work closely with others to deliver solutions that help users understand and monitor their systems more effectively. Impact Efforts in this role will give users better visibility into system performance and health, making a measurable difference in how Anyscale's services operate and scale.

Join our team as a Junior Full Stack Software Engineer!Salary Range: ₹12,00,000 - ₹20,00,000 per annumWe are seeking a passionate Junior Full Stack Engineer to play a vital role in the development of an innovative SaaS platform specializing in billing automation, revenue recognition, and analytics. In this dynamic position, you will engage in both frontend and backend development, acquiring invaluable experience in creating scalable, production-quality applications. You will work collaboratively with experienced engineers and product teams to deliver features that drive real impact, while progressively evolving into an independent contributor. This opportunity is perfect for individuals who are curious, proactive, and thrive in a fast-paced product environment.Key Responsibilities:Enhance and develop product features across frontend and backend systems.Own small to mid-sized features from design to deployment within your first 6-12 months.Create responsive and user-friendly interfaces using modern frontend frameworks.Develop backend services, APIs, and data processing logic to bolster product functionality.Efficiently manage application data using databases.Implement comprehensive request lifecycles, including data handling and persistence.Collaborate with cross-functional teams to translate product requirements into effective technical solutions.Participate in code reviews, testing, and debugging to maintain high-quality outputs.Contribute to deployment processes and sustain live applications.Continuously learn and adopt best practices in full stack development.

Collaboration Fuels Our Innovation. Join Roku in Revolutionizing Television ViewingAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is on a mission to redefine the way the world experiences television. Our goal is to be the foremost TV streaming platform that seamlessly connects every aspect of the TV ecosystem, bridging consumers with their favorite content, assisting publishers in reaching expansive audiences, and equipping advertisers with unique tools to engage effectively.From your first day with Roku, you will be an integral part of our team. We are a rapidly expanding public entity where every individual plays a crucial role. This is your chance to delight millions of viewers around the globe while gaining invaluable experience across multiple domains. About Our TeamThe Customer Care Engineering team at Roku is dedicated to crafting innovative solutions that transform the support experience for millions of users worldwide. We develop and manage a diverse range of advanced tools and applications, including the Roku Support help center, call center support tools, partner integrations, internal web portals, and a comprehensive suite of web services. Our mission is to empower Roku customers and support teams with streamlined automation, user-friendly self-service tools, and robust troubleshooting capabilities. We are passionate about creating secure, high-performance applications that not only address challenges but also provide an exceptional branded user experience. If you are eager to build impactful, scalable solutions that make a significant difference, you belong with us. About the Role Roku is in search of a proficient and adaptable Full Stack Engineer to become a vital part of our dynamic Customer Care team. In this role, you will be instrumental in developing and enhancing a platform that utilizes web technologies and state-of-the-art generative AI to create top-notch customer care experiences, including intelligent chatbots, agent dashboards, telephony systems integration, and self-service workflow automation.

Join our innovative team at gsstech-group as a Full Stack Software Engineer specializing in Node.js, React.js, and Generative AI integrations. In this role, you will have the opportunity to design and develop scalable digital products while embedding cutting-edge AI capabilities into our applications.Key ResponsibilitiesCreate and maintain scalable web applications utilizing React.js for the frontend and Node.js for the backend.Develop and incorporate GenAI-powered features such as large language models (LLMs), chatbots, and AI workflows into our applications using Node.js.Build and integrate RESTful APIs and microservices to enhance application functionality.Work extensively with AI APIs (e.g., OpenAI, Claude) to integrate them seamlessly into backend services.Collaborate with cross-functional teams including Product Management, UI/UX designers, and Data teams to drive project success.Optimize application performance, scalability, and security through best practices.Contribute to the overall system architecture and design AI solutions that meet business needs.Required Skills & QualificationsProven experience with Node.js and React.js.Hands-on expertise in Generative AI integrations using Node.js, including working with LLM APIs (e.g., OpenAI, Anthropic), prompt engineering, and building AI-driven workflows.Strong understanding of REST APIs and microservices architecture.Proficient in JavaScript (ES6+).Experience working with databases such as MongoDB or PostgreSQL.Familiarity with version control systems like Git and CI/CD pipelines.Preferred QualificationsExperience in the Banking and Financial Services domain.Knowledge of cloud platforms (AWS, Azure, GCP).Familiarity with vector databases, embeddings, or RAG architectures.

Join our innovative team at Nexthink as a Full Stack Software Engineer, where you will play a critical role in developing visual solutions that simplify data investigation and queries for our customers. Utilizing the Nexthink Query Language (NQL), we aim to abstract the complexity of data interaction. Our tools, including a Visual Editor and Rich Data Table, empower users to engage with their data effectively. For advanced queries, we have crafted the NQL Editor based on the Monaco Editor.Our technology stack includes:Java, Micronaut Framework, ReactJS/Typescript, GraphQL, REST API, and gRPC.Design, implement, and validate product features with a focus on quality.Contribute to architectural improvements and development best practices within the team.Collaborate on Level 3 support requests with other team members.Engage in shaping the technology roadmap.Adopt an agile mindset, actively participating in ceremonies and iterative processes.

About SpotOnAt SpotOn, we are more than just a technology provider for restaurants; we empower independent restaurants with the essential tools they need to thrive in a competitive landscape. Our offerings, from our award-winning point-of-sale system to advanced AI-driven profit enhancement tools, are designed to help operators increase profitability, streamline operations, and retain top talent. We pride ourselves on providing solutions backed by dedicated professionals who genuinely care about the success of our restaurant partners.Recognized as the #1 Restaurant POS by G2 (Fall 2025), based on authentic user ratings.Acknowledged as the top-rated point-of-sale (POS) solution for restaurants, bars, retail, and small businesses by Capterra users.Honored with Great Places to Work and Built In’s Best Workplaces awards for consecutive years.We are committed to a fast-paced environment where we prioritize the success of independent restaurant operators, enabling them to pursue their passions. If you are driven to create meaningful change with dedication and enthusiasm, SpotOn is the ideal place for you.Our Financial Services team is focused on developing robust solutions for world-class restaurant point-of-sale and retail systems. We aim to simplify the complexities of running various service models, ensuring high availability and real-time functionality that give our clients a competitive advantage.In the past two years, SpotOn has:Secured $300M in Series F funding, valuing the company at $3.6 billion.Received accolades as a Great Place to Work and Built In’s Best Places to Work.Provided essential support to local businesses through innovative technology to overcome challenges, particularly during labor shortages.This year, our ambitions are even greater as we continue to grow and make a positive impact. We are looking for a Senior Engineer to join our Financial Services team, focusing on the design and development of scalable systems.

Join our dynamic team at gsstech-group as a Full Stack Software Engineer! In this role, you will be responsible for developing and maintaining innovative web applications that drive the success of our clients. You will work closely with cross-functional teams to deliver high-quality software solutions that meet both business and user needs. If you are passionate about technology and eager to tackle complex challenges, we want to hear from you!

Join our innovative team at Nexthink as a Full-Stack Software Engineer with a strong emphasis on backend development. You will play a crucial role in building robust software solutions that enhance workplace experience and transform the way organizations leverage data.Your responsibilities will include collaborating with cross-functional teams, designing scalable architecture, and implementing new features to improve our offerings. If you are passionate about technology and eager to make an impact, we want to hear from you!

Join Acceldata as a Full Stack Staff Engineer, where you will play a pivotal role in developing and enhancing our cutting-edge data solutions. We are seeking a talented engineer who is passionate about building high-quality software and has a solid understanding of both front-end and back-end technologies.

Toast, Inc. builds technology designed for restaurants, with a focus on helping them connect with their guests and grow their business. The Guest Engagement group develops features that support retention, automation, and personalized guest experiences. This team works directly with restaurants to address real-world needs, using AI to enhance both immediate solutions and long-term outcomes. Role overview This Senior Full Stack Software Engineer role centers on guest engagement features for restaurants. The position involves designing and delivering web features that help restaurants foster stronger guest relationships. Team members work in a collaborative environment, emphasizing measurable results and a product-focused mindset. The team values engineers who combine technical expertise with a clear understanding of customer impact. What you will do Build and deliver projects that help restaurants connect with guests, working as part of a cross-functional team. Create scalable, high-performance web features that contribute to restaurant success. Collaborate with Design, Product, and engineering peers to deliver meaningful outcomes. Oversee feature rollouts, gather user feedback, and iterate to improve customer satisfaction. Promote best coding practices and help set high standards for code quality. Apply AI tools to streamline development and support ongoing improvement. Requirements At least 5 years of experience as a Backend or Full Stack engineer, ideally working on consumer-facing or growth-oriented products. Strong frontend development skills, especially with React. Solid knowledge of modern JavaScript or TypeScript, HTML, and CSS. Motivation to create meaningful impact for customers and address practical challenges. Location Bengaluru, Karnataka, India

Join our dynamic team at weekday-1 as a Full Stack Engineer. In this role, you will be responsible for developing and maintaining innovative web applications, ensuring optimal performance and user experience. You will work closely with cross-functional teams to deliver high-quality software solutions.

Join our dynamic team at apna as a Full Stack Software Developer! We are seeking a highly motivated individual with extensive experience in creating scalable web applications. The ideal candidate will excel in both frontend and backend technologies, effectively collaborating with cross-functional teams to deliver robust, production-ready solutions.Key Responsibilities • Design, develop, and maintain scalable web applications utilizing ReactJS for frontend and Golang for backend. • Create responsive, user-centric interfaces leveraging JavaScript, CSS, and SCSS. • Architect and implement RESTful APIs and backend services. • Work closely with product managers, designers, and QA teams to ensure seamless feature delivery. • Write clean, maintainable, and thoroughly tested code. • Engage in code reviews and adhere to engineering best practices. • Troubleshoot, optimize, and enhance application performance.

About the Role Eurofins Scientific is hiring a .NET Full Stack Engineer with a focus on Angular for the Bengaluru office. This role centers on building and supporting software that serves a wide range of clients. The work involves both backend and frontend development, with a strong emphasis on quality and maintainability. What You Will Do Design, develop, and maintain software solutions using .NET and Angular Work closely with team members to deliver features and improvements Contribute to projects that support Eurofins' diverse client base

Join our dynamic team at Abstrab IT Technologies Pvt Ltd as a Senior Full Stack Engineer. In this pivotal role, you will work on exciting projects that leverage cutting-edge technologies. Your expertise will be instrumental in developing scalable web applications and enhancing user experiences.As a Senior Full Stack Engineer, you will collaborate with cross-functional teams, including product management and design, to create innovative solutions. You will also mentor junior developers and contribute to architectural decisions.

Empower Every Identity, from AI to HumanAt Okta, we believe that securing identity is essential to unlocking the full potential of AI. Our mission is to build a trusted and neutral infrastructure that allows organizations to safely navigate this transformative era. We seek proactive problem solvers who are committed to tackling complex challenges with real-world implications. If you share our drive and passion, we invite you to join us.Okta Workflows is an innovative, secure no-code automation platform that enables organizations to seamlessly create identity-centric workflows across cloud applications without needing to write code. Our user-friendly drag-and-drop interface empowers enterprises to automate intricate business processes at scale, boosting productivity, enhancing security, and streamlining IT operations.High-profile clients such as Netflix, MGM, and NTT depend on Workflows to automate critical identity scenarios with agility and reliability. As we expand, we’re focusing on extensibility, developer experience, and performance. Join our team to influence the future of cloud automation and low-code development.

About Gushwork:Gushwork is a rapidly growing AI company supported by leading venture capital firms, including Lightspeed, B Capital, and Beenext, with over $11M raised. We specialize in generating inbound leads for small and medium businesses through innovative AI search engines like Gemini and ChatGPT. Our unique swarm of AI agents enhances website visibility through targeted content strategies.As one of India’s fastest-growing AI companies, we are committed to expanding our client base from 200+ customers to 10x that within the next year. Our dynamic team of 60 passionate and driven professionals is looking for new members who share our mission to make a meaningful impact on the world.Role Overview:If you are excited about the intersection of technology and human impact, we would love to meet you!Our Vision:At Gushwork, we envision a future where software delivers measurable outcomes for our clients. Our hybrid model merges the personal touch of service-oriented companies with the dependability and scalability of cutting-edge software solutions. This approach empowers us to offer unmatched value to our clients, guiding them through the evolving landscape of search engine optimization and digital marketing.

Join Vonage and drive innovation in cloud communications for enterprises globally!Why this role is essential:We are on the lookout for a Staff Engineer / Staff Architect who will deliver comprehensive technical leadership across our Jumper AI / Conversational Commerce platform. This pivotal role encompasses backend systems, frontend architecture, cloud infrastructure, and platform design, with an emphasis on guiding teams in developing Journey Builders, event-driven orchestration engines, commerce and payment platforms, as well as multi-channel messaging systems.You will function at the architecture and system design level, collaborating across diverse teams and domains rather than focusing on a single feature. Success in this role necessitates profound technical judgment, excellent communication abilities, and the capacity to harmonize product speed with the long-term health of the platform.Your primary responsibilities:Define and refine platform architecture encompassing backend, frontend, and cloud infrastructure.Lead the architectural design for intricate systems, including workflow orchestration engines, Journey Builders, commerce, and messaging platforms.Establish architectural principles, patterns, and standards that can scale across teams and products.Provide technical leadership for distributed, event-driven backend systems with high reliability guarantees.Guide frontend architecture for complex, high-scale products, ensuring performance, consistency, and usability.Drive cloud-native design on Google Cloud Platform with an emphasis on scalability, resilience, and operational excellence.Serve as a trusted technical advisor, mentoring senior engineers and influencing technical decisions across teams.