Senior Backend Engineer - Ruby

At Easyship, we are transforming the logistics landscape for eCommerce. Our comprehensive cloud-based shipping platform equips businesses of all sizes with the essential tools to expand globally. We are committed to fostering seamless borderless commerce, and we take pride in being the trusted partner for diverse small business owners, crowdfunding initiativ…

Join Aizen as a Backend Software Engineer!At Aizen, we aim to simplify and amplify the power of Artificial Intelligence (AI). Our comprehensive platform efficiently manages the AI pipeline—from data ingestion and orchestration to model training, deployment, and monitoring—allowing businesses to concentrate on what truly counts: creating and scaling exceptional AI solutions without the complexities.Founded to combat cumbersome AI workflows and disjointed solutions that obstruct AI adoption, Aizen has become the trusted partner for a diverse range of clients, from budding startups to Fortune 500 companies. By revolutionizing the way AI is constructed, deployed, and managed, we are making AI more accessible and impactful than ever before. If you are passionate about developing innovative technologies, tackling real-world challenges, and collaborating with a world-class engineering team, we would love to connect with you.About Our TeamAizen is built by a group of seasoned entrepreneurs with extensive experience in data storage, distributed systems, and real-time AI architectures. Having previously built and scaled technology companies—some achieving over $1B in exits—our team is well-versed in what it takes to develop a leading product and organization. We have designed Aizen to streamline the AI pipeline, enhance performance, and ensure AI is genuinely accessible to enterprises of all sizes.About the RoleAs a Backend Software Engineer at Aizen, you will play a pivotal role in constructing and refining the infrastructure that underpins our end-to-end AI platform. You will create scalable backend services, APIs, and data processing pipelines, facilitating smooth AI deployment and real-time inference. Whether you are an entry-level engineer eager to learn or a senior engineer prepared to design high-performance distributed systems, this position offers a chance to work on innovative AI infrastructure, enhance backend efficiencies, and shape the future of enterprise AI.Key ResponsibilitiesBackend & API Development – Design and enhance scalable backend services and high-performance APIs to support real-time AI applications, model inference, and data orchestration.Data Processing & Infrastructure – Develop and optimize large-scale data pipelines, ETL processes, and storage solutions, ensuring seamless integration between AI workflows and backend systems.System Performance & Reliability – Establish monitoring, logging, and incident response protocols to guarantee high availability and reliability of systems.

We are seeking an enthusiastic and skilled Senior Backend Engineer to join our dynamic team at Veza, where you will be instrumental in shaping, developing, and sustaining the features of our innovative Access Security product. You will work in close collaboration with various cross-functional teams to deliver robust and scalable solutions that adapt to our customers' evolving requirements. This is a fantastic opportunity to make a significant impact in a high-growth startup while leveraging cutting-edge technologies in Identity and Access Management.

About MeshAt Mesh, we are on a mission to revolutionize the way consumers transact by enabling payments and receipts in any asset class. With trillions of dollars in tokenized assets that remain largely untapped for daily commerce, Mesh is stepping in to bridge this gap. We are committed to making cryptocurrency payments reliable, user-friendly, and widely accepted. By integrating a robust orchestration engine with a seamless consumer application, we aim to unlock liquidity globally. Backed by prominent investors like PayPal Ventures, Paradigm, and Galaxy Ventures, we are laying down the infrastructure for the future of the global economy. Be a part of our journey!OverviewWe are seeking a Senior Backend Engineer to contribute to the architecture and development of the world’s first global crypto payments network. In this position, you will engage across the full technology stack, from backend systems to user-facing applications, influencing key technical decisions and shaping the future of digital finance. You will collaborate closely with cross-functional teams, including engineering, product, and design, to lead the development of secure, streamlined, and scalable financial solutions. As a senior technical leader, you will be instrumental in defining system architecture, mentoring fellow engineers, and impacting product strategy. We are particularly excited to connect with candidates based in Bangalore, where you will work intimately with our core team to foster our engineering culture from the ground up.

Join SurveyMonkey, the premier platform for surveys and forms, designed for businesses and adored by users. With a blend of powerful features and user-friendly design, we cater to a variety of needs, from customer experience to employee engagement, market research, and more. Our platform integrates research expertise with AI technology, making it feel like you have a team of expert researchers at your fingertips.Trusted by millions, from startups to Fortune 500 companies, SurveyMonkey empowers teams to collect insights that foster informed decision-making, create exceptional experiences, and drive business success. Learn more at surveymonkey.com.What We’re Looking ForWe are on the lookout for a dynamic Backend Software Engineer II to become part of the SurveyMonkey team. This role is ideal for someone passionate about code quality and system architecture. You will be instrumental in designing and maintaining the backend systems that power our multi-tenant SaaS platforms. As a member of the GFB Digital Team, you will elevate the high-performance services that fuel our growth and ensure our robust systems scale efficiently while remaining optimized for performance.Your ResponsibilitiesLead features from architectural planning through implementation, deployment, and monitoring, ensuring production-ready code.Develop and maintain backend services and APIs that manage engineering complexity while meeting timely business demands.Modernize existing systems and optimize database performance across Relational (MySQL/PostgreSQL) and NoSQL (MongoDB) databases.Enhance CI/CD pipelines and utilize Observability tools (Open Telemetry) to improve deployment workflows and troubleshoot production issues efficiently.Cultivate a culture of technical excellence through code reviews, writing tests, and collaborating with fellow engineers to maximize team potential.

Zeta Global seeks a Senior Backend Engineer to join the Software Engineering team in Bangalore, India. This role centers on building and maintaining a distributed CRM platform that supports multichannel marketing. The team works closely with product managers and other engineers to shape the technical direction and unify data from digital interactions, all with the aim of improving marketing ROI. Key responsibilities Design and build backend services for a distributed CRM platform Develop and maintain high-throughput systems that handle large-scale data Collaborate with team members to define and deliver on the product roadmap Address challenges related to system performance, redundancy, and concurrency Requirements Extensive experience with distributed systems and cloud architecture Demonstrated skill in designing and developing scalable, high-performance backend systems Interest in tackling issues around performance, redundancy, and concurrency Location This position is based in Bangalore, India.

Role overview Consuma is looking for a Senior Backend Engineer to join as a founding team member in Bengaluru. This role centers on designing and scaling distributed infrastructure that powers AI and data products. The work involves building backend systems capable of handling high volumes of data and supporting advanced solutions. What you will do Create backend architecture for distributed, high-throughput systems Scale infrastructure to enable AI and data-driven product features Shape technical decisions and direction as part of the early engineering team Location This position is based in Bengaluru, Karnātaka, India.

NIRA is looking for a Senior Backend Engineer based in India to help build and maintain backend systems that support the company’s products. This position focuses on creating backend solutions that deliver strong performance and reliability for end users. What you will do Develop and maintain backend systems to support product features and business requirements Collaborate with product managers and fellow engineers to design scalable solutions Ensure backend services respond efficiently to requests from the front end Requirements Strong understanding of backend technologies and frameworks Proficiency in programming languages such as Java, Python, or Go Experience working with cloud services and APIs This role offers the chance to contribute to projects that shape NIRA’s systems and support the company’s growth.

Company Introduction At Coupang, our mission is to astonish our customers. We know we've succeeded when we hear them say, “How did we ever live without Coupang?” Driven by a commitment to simplify shopping, dining, and everyday living, we are revolutionizing the multi-billion-dollar e-commerce sector from the ground up. As one of the fastest-growing e-commerce companies, we have built a formidable reputation as a trustworthy leader in South Korean commerce. We combine the innovative spirit of a startup with the robust resources of a large global public company. This unique blend allows us to maintain our rapid growth and continuously launch new services. Here, we embrace an entrepreneurial mindset, constantly seeking opportunities to spearhead new initiatives and innovations. At Coupang, you will witness personal, team, and company growth every single day. Our commitment to crafting the future of commerce is tangible. We constantly push the limits of what’s achievable to address challenges and redefine traditional trade-offs. Join Coupang today and help create extraordinary experiences in a high-tech, always-on, and hyper-connected world. Role Overview We are on the lookout for a Senior Staff Backend Engineer with extensive knowledge of the dynamics of large-scale microservices and practical expertise with Service Mesh. You will play a crucial role in designing the architecture and guiding the team to deliver a cutting-edge platform that supports all of Coupang’s services. The Gateway Services team is responsible for constructing Coupang’s infrastructure layer through a distributed microservices architecture, facilitating seamless inter-service communication. Key components of this infrastructure include service discovery, load balancing, traffic resiliency, traffic management, failure recovery, and observability paradigms. Your responsibilities will include: Developing and implementing enterprise-wide fine-grained traffic control. Utilizing a centralized management plane for managing policies and observability. Collaborating with cross-functional teams to enhance system performance and reliability.

Lead Software Engineer – BackendJoin our dynamic Data Layer team at Zeta Global, where we're at the forefront of data innovation. As a Lead Software Engineer, you will play a pivotal role in developing and maintaining our Zeta Identity Graph platform, which aggregates billions of behavioral, demographic, environmental, and transactional signals to enhance people-based marketing strategies.Your key responsibilities will include:Ingesting extensive identity and event data from our clients and partners.Facilitating seamless data transfers across various systems.Ensuring the integrity and health of our datasets.Designing and expanding our data infrastructure for easy access and complex analyses.Utilizing technologies such as Python, Spark, Airflow, Snowflake, Hive, Scylla, Django, and FastAPI, you will maintain data quality and accuracy while collaborating with Data Engineers, Analysts, and Product Managers to optimize data models and workflows. Furthermore, you will engage with our DevOps team to enhance our data infrastructure.Participate in architecture discussions, influence the roadmap, and take ownership of new projects while being available for on-call rotation in your respective time zone.

We are seeking a talented Backend Software Engineer to join our dynamic team!Demonstrated experience with a prominent consumer-facing website or service.Proficient in PHP development, including debugging and performance analysis across the full software development lifecycle.Skilled in using MySQL for database management and query optimization.Experience with real-time web applications and event-driven architectures such as Node.js or jQuery.Familiarity with NoSQL and distributed databases like Cassandra or Redis.Ability to build scalable, performance-oriented services utilizing caching techniques and systems like Memcache.Comfortable working with search engines such as Solr or ElasticSearch.Understanding of NGINX and Apache web servers.Knowledgeable in RESTful paradigms to develop APIs for our frontend services and mobile applications.A passion for product development, empathy for users, and a desire to make a significant impact.Strong database design and query writing skills, with a focus on performance and efficiency.Solid engineering principles and a clear understanding of data structures and algorithms.Familiarity with service-oriented architecture, microservices, and distributed systems.Responsible for ensuring the quality of solutions developed within the team.Ability to troubleshoot and debug support issues and code autonomously.Maintain a strong technical understanding of the products being developed.A proven track record of delivering innovative solutions in algorithm development.Join us in shaping the future of food discovery!

About Modulr Finance Modulr Finance is a rapidly growing fintech company focused on embedded payments. With a strong presence in the UK and Europe, Modulr is building solutions that power some of the most innovative payment experiences in the industry. Role Overview The Backend Software Engineer role is based in Pune. This position works within a cross-functional team to address complex technical challenges in the payments space. The work goes beyond routine tasks, offering the chance to make a real impact as Modulr continues to expand. What You Will Do Collaborate with colleagues from different disciplines to design and build backend systems for embedded payments Contribute to projects that drive the growth and reliability of Modulr’s platform Engage with challenging problems, focusing on solutions that support Modulr’s mission in the fintech sector Gain hands-on experience in a high-growth, cooperative environment Who We’re Looking For Engineers who enjoy experimenting and innovating Individuals ready to work in a collaborative, growth-focused culture People motivated by solving real-world problems in payments technology

Join our innovative team at Finvest as a Senior Backend Engineer, where you will be instrumental in driving the development of our flagship product, an AI-powered wealth management platform. As one of the founding members, your expertise will significantly influence our product and engineering culture.Key ResponsibilitiesLead the development of Finn, our first AI-driven wealth management solution.Design, develop, and maintain the backbone of the Finvest platform, focusing on wealth management, trading, and processing global financial data.Create and manage integrations with external data providers and financial services.Collaborate with frontend developers and the founding team to deliver outstanding AI-centric user experiences.QualificationsProficient in Node.js/TypeScript, Python, PostgreSQL, and AWS.Demonstrated experience as a backend engineer, particularly in financial services, trading platforms, or data-centric applications.Strong problem-solving skills related to performance optimization and a proactive approach to preventing issues.Adept at building new systems from the ground up, thriving in a startup environment, and scaling projects from inception to execution.

Join Paytm as a Technical Lead in our Backend Engineering team! We are looking for a skilled professional to oversee our backend development processes, ensuring optimal performance and scalability of our systems. You will lead a team of talented engineers, driving innovation and excellence in our backend architecture. Collaborate with cross-functional teams to design and implement solutions that enhance our platform's capabilities.

Role overview Grab Holdings Inc. seeks a Senior Backend Software Engineer based in Bangalore. The main focus is on developing and supporting backend systems that power Grab’s platform and services. What you will do Design and build backend software that can scale as the business grows Maintain and improve existing backend systems to ensure reliability Work closely with teams from different disciplines to deliver effective solutions Help create systems that enhance the user experience and support daily business needs

At Weave (NASDAQ: WEAV), our mission is to revolutionize the patient experience by equipping healthcare practices with the essential tools to operate more efficiently and foster meaningful connections with their patients. With a rapidly expanding customer base of over 30,000, Weave’s comprehensive platform streamlines every aspect of healthcare interactions, from scheduling and payments to communication and review management, allowing healthcare professionals to concentrate on what truly matters: exceptional patient care.In the role of Senior Backend Engineer, you will become an integral part of a dynamic, high-trust team dedicated to innovating healthcare technology. Collaborating closely with colleagues across the U.S. and India, you will design and implement robust, scalable backend systems that empower vital features within our platform. Your contributions will extend beyond API development; you will help shape architectural decisions, drive impactful outcomes, and enhance the daily operations of over 30,000 healthcare practices.If you are passionate about customer-centric solutions, driven by curiosity, and aligned with our core values: Think creatively. Stay hungry. Do the right thing. Care more. The customer is everything., you will thrive in our environment.We invite you to join us in transforming healthcare with purpose-driven initiatives and a talented team by your side.This position is fully remote for candidates based in India.Reports to: Manager of EngineeringKey ResponsibilitiesDesign, develop, and maintain scalable backend services and APIs leveraging Go (Golang) microservices.Lead the technical architecture initiatives and ensure long-term system viability by proactively addressing scaling and maintenance requirements.Work collaboratively with cross-functional teams, including product, design, and frontend developers, to launch high-impact features.Engage in system design reviews, propose and implement robust solutions, and contribute to Weave’s overarching engineering strategy.Ensure the quality, reliability, and observability of your code throughout the development lifecycle.Plan and execute projects from conception to completion, demonstrating strong ownership and a results-oriented mindset.Mentor colleagues and junior engineers, sharing expertise and promoting best practices.QualificationsMinimum of 5 years of backend engineering experience with modern programming languages including Go, Java, Python, and Ruby.Proficient in designing and developing microservices architectures and RESTful APIs.Strong understanding of database technologies and data modeling.Experience with cloud services (AWS, Azure, GCP) and container orchestration (Docker, Kubernetes).Excellent problem-solving skills and a collaborative mindset.

About zaimlerIn a rapidly evolving landscape of artificial intelligence, zaimler is poised to redefine the foundational infrastructure that powers future AI systems. Our mission is to bridge the gaps in enterprise data, which is often disjointed and lacks a cohesive structure, leading to the shortcomings of most AI applications today. By transforming from simple copilots to fully autonomous agents, we are creating a revolutionary context infrastructure that empowers AI with the ability to reason over complex datasets.Our innovative platform automatically uncovers domain knowledge, establishes meaningful relationships, and equips AI agents with the semantic understanding necessary to function with unmatched precision and scalability. Envision knowledge graphs that facilitate real-time inference, specifically designed for systems that require reasoning, not just data retrieval.Founded by industry veterans Biswajit Das and Sofus Macskassy, zaimler is composed of a small, talented team at the seed stage, collaborating with major enterprises across sectors such as insurance, travel, and technology. If you’re excited about building the infrastructure that will support the next decade of AI innovation, we invite you to join our journey.About the RoleWe are seeking a skilled Backend Engineer with extensive experience in microservices architecture to become a vital part of our pioneering team in Bengaluru. The ideal candidate will possess a strong background in developing and managing distributed backend systems.In this pivotal role, you will be instrumental in the design, implementation, and scaling of the core microservices that power our AI and data platform. Your responsibilities will include defining service boundaries, constructing robust APIs, and ensuring seamless communication across our ingestion, extraction, and knowledge graph systems.As an early engineer in our Bengaluru office, you will not only shape the technical foundations of our team but also contribute to fostering a collaborative and innovative culture. You will work closely with our counterparts in San Mateo to architect the next generation of AI infrastructure.

Join 6sense as a Senior Backend Software Engineer and play a pivotal role in designing and developing high-performance backend systems. You will leverage your expertise in software development to deliver innovative solutions that drive business outcomes. Collaborate with cross-functional teams to enhance our product offerings and ensure scalability and reliability in our systems.

Join BitGo, the premier provider of digital asset infrastructure, known for our innovative solutions in custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our inception in 2013, we have been committed to empowering clients to navigate the digital asset landscape securely. With a robust global presence and an extensive network of Trust companies, BitGo caters to thousands of institutions and millions of retail investors globally. As the cornerstone of the digital economy, we process a significant share of Bitcoin transactions and stand as the largest independent custodian and staking provider worldwide. Discover more at www.bitgo.com.We are seeking a Backend Engineer E3 to join our Financing Team, playing a vital role in developing new features and applications for our enterprise clients. This is a unique opportunity to be part of the inaugural team at BitGo's India office, collaborating with talented engineers, product managers, and security specialists.

About Us:Paytm is at the forefront of mobile payments and financial services in India. As a pioneer in the mobile QR payments revolution, we develop innovative technologies designed to empower small businesses with seamless payment and commerce solutions. Our mission is to integrate half a billion Indians into the mainstream economy through technological advancements.About the Role:In the role of Engineering Manager, you will be pivotal in crafting detailed design structures, implementing best coding practices, and leading a dynamic team of developers to ensure successful project delivery. Your responsibilities will encompass design, architecture, and hands-on coding.Requirements:We seek candidates with 9 to 12 years of technical development experience, including 5+ years in providing technical leadership to high-performance teams. You will closely collaborate with business and product teams to analyze requirements, guide design and architecture decisions, and influence technology choices in partnership with architects and leadership. Your role will involve building robust, scalable, highly available systems leveraging Microservices Architecture with Java and Spring Boot. You will also enhance engineering and operational excellence by identifying and crafting the right solutions for observability and manageability. Keeping the tech stack updated to optimize for scale, cost, and performance is crucial, as is the migration of workloads to public cloud environments. A proactive attitude is essential to thrive in our fast-paced environment. Additionally, you will serve as a thought leader and mentor on technical, architectural, and design matters, while proactively identifying architectural weaknesses and proposing effective solutions.Preferred Qualification: Bachelor's or Master's Degree in Computer Science or a related field.Skills for Success:Proficiency in Java, RDBMS, messaging systems like Kafka/RabbitMQ, caching technologies such as Redis/Aerospike, Microservices, and AWS is essential. You should have a strong background in scaling, performance tuning, and optimization at both API and storage layers, alongside being a hands-on leader and problem solver with a commitment to excellence.Why Join Us:Join us to make a meaningful impact while enjoying a vibrant work culture. We challenge and encourage you to engage in work that is impactful for you and those we serve. If you believe in the transformative power of technology for people's lives, we would love to have you on our team. Our success is rooted in the collective energy and commitment of our people to our customers, and that will always be our guiding principle.