Senior Backend Developer - Node.js

At TextNow, we believe that communication should be accessible to everyone. We are pioneering a new way for individuals to connect, merging simplicity, intelligence, and affordability. Our team is composed of innovative builders who leverage technology to empower millions of users with cost-effective communication solutions every day.As a Backend Software Developer, your role will extend beyond mere service creation; you will be instrumental in shaping the systems, architecture, and tooling that underpin our services. Our Technical Staff members are expected to blend leadership with hands-on coding to maximize opportunities for impact. The ability to think strategically while also engaging with intricate details is essential. You will take technical ownership of pivotal backend domains and collaborate across mobile, web, and data to develop systems that are faster, smarter, and more reliable.AI and automation are integral to our development processes. You'll utilize these technologies to expedite development, enhance performance, swiftly identify and resolve issues, and continuously elevate the standard for backend development excellence.We are seeking Technical Staff members at various levels (intermediate/senior/staff+). Whether you're a seasoned developer ready to lead complex systems or an early-career developer eager to advance, we will tailor your title and responsibilities according to your experience and impact.This position promises to create significant impact at scale. You will influence how TextNow constructs and manages its backend systems, employing AI and automation to streamline development, enhance decision-making, and provide seamless experiences for millions of users globally.

Join Smile Digital Health as an Intermediate Backend Developer. In this pivotal role, you will collaborate with engineering teams to design, implement, and maintain key components of our innovative platform. This position offers the opportunity for autonomy, allowing you to contribute throughout the entire development lifecycle—from requirements analysis to final delivery. As you grow in this role, you will deepen your technical expertise, preparing you for future senior-level responsibilities.

About Us:At Atolio, we pride ourselves on being a fully remote and well-funded startup, founded by industry veterans from Splunk and PagerDuty. Our mission is to revolutionize access to organizational knowledge, making it instantly available across various applications, services, and platforms. As an early-series startup, we leverage advanced machine learning and AI to tackle some of the most intricate challenges in enterprise search, including indexing, retrieval, and multi-cloud scaling (AWS, GCP, Azure). Our collaborative culture, state-of-the-art tools, and extensive benefits create an environment where innovation and creativity flourish.About the Role:In the capacity of a Senior Backend Engineer, you will be instrumental in developing distributed backend services deployed in Kubernetes across AWS, GCP, or Azure, facilitating enterprise-grade applications integrated with services like Okta. You will also be responsible for constructing scalable, cloud-native systems using Golang. This role is perfect for those who excel in dynamic, uncertain environments, enjoy tackling intricate infrastructure and systems challenges, and possess excellent communication skills in a fully remote setting.Your Responsibilities Will Include:Designing, building, and maintaining high-performance, cloud-native backend services using Golang within a modern microservices architecture.Utilizing a profound understanding of computer science principles, including algorithms, data structures, operating systems, and distributed systems to address complex, real-world challenges.Deploying and managing services in Kubernetes across AWS, GCP, or Azure, with an emphasis on reliability, observability, and performance.Integrating with enterprise systems and security protocols, including SSO/IdP providers like Okta, to facilitate large-scale deployments.Leading projects from inception to execution.Overseeing the architecture and design of new product features and services.Collaborating across teams to define technical requirements, design architecture, and deliver impactful solutions in a fast-paced startup environment.Working across the stack as needed, particularly at the intersection of backend services and other infrastructure layers.What We Seek:A solid grasp of core computer science principles, including algorithms, data structures, operating systems, distributed systems, networking, and concurrent programming.5+ years of experience in designing, implementing, and maintaining highly scalable cloud-native applications.

At Affirm, we are revolutionizing the credit landscape, making it more transparent and user-friendly. Our mission empowers consumers with the flexibility to buy now and pay later, free from hidden fees and compounding interest.Our Engineering team is the backbone of Affirm’s mission, dedicated to crafting reliable, high-performance, and scalable solutions that impact every aspect of our business. Whether we’re developing innovative payment methods, ensuring our platforms meet industry-leading scalability, or creating seamless customer service experiences, we focus on tackling complex challenges with exceptional engineering prowess.About the TeamThe Growth Platform Engineering team is responsible for building the essential systems and tools that drive user acquisition, engagement, and lifecycle growth at Affirm. Our platform facilitates personalized communications, intelligent experimentation, and scalable services that enable customers to discover and embrace Affirm’s offerings.We work in close collaboration with Product, Data Science, and Experience teams to design APIs, event-driven services, and experimentation frameworks that reach millions of customers across numerous merchants. The work of this team directly influences customer interactions with Affirm and fuels our long-term growth strategy.Your ResponsibilitiesLead your team in achieving quarterly goals by navigating ambiguity and solving complex, open-ended problems while ensuring team support throughout project delivery.Collaborate with product management, design, and analytics during the product development lifecycle, participating in ideation, clarifying technical constraints, and making informed decisions that account for risks and trade-offs.Proactively identify and advocate for solutions to project, process, technology, or business challenges.Oversee the operations and availability of your team’s artifacts by establishing and tracking metrics, escalating issues when necessary, and supporting ongoing maintenance and on-call responsibilities.Promote a culture of quality and ownership within your team by setting and enhancing code review and design standards, and advocating for these practices through documentation and technical presentations.Mentor and develop team talent by providing constructive feedback and leading by example.Qualifications We SeekA minimum of 4 years of experience in designing, developing, and launching scalable backend systems using programming languages such as Python or Kotlin.

About MegaportAt Megaport, we redefine the technology landscape. As the global frontrunner in Network as a Service (NaaS), we have revolutionized how businesses connect with cloud services, data centers, and each other. Proudly listed on the Australian Stock Exchange, we partner with renowned tech giants such as Amazon, Microsoft, Google, Oracle, and IBM. With our headquarters in Brisbane and a diverse team of over 400 professionals across Asia-Pacific, Europe, and the Americas, we foster a collaborative, supportive, and genuinely enjoyable work environment.Our Team CultureOur team consists of innovative problem solvers, creative thinkers, and dedicated engineers who are passionate about technology. Here, culture is not merely a decorative poster; it is an ethos where collaboration supersedes hierarchy, curiosity drives our progress, and every voice is valued. While we take our goals seriously, we manage to keep a light-hearted spirit. Our global vision requires seamless teamwork across time zones, and we trust our colleagues to deliver outstanding results without compromising our core values. Most importantly, our customers are at the heart of everything we do.We are dedicated to enhancing diversity in the tech industry and encourage applicants from all walks of life. If you’re enthusiastic about this opportunity, we urge you to apply, even if you don't meet every requirement.Your RoleAs a Senior Backend Software Engineer, you will be a respected leader within our engineering team. Your passion lies in creating products that delight customers. You will take full ownership of your work, adeptly managing technical debt while enhancing user experience and adding innovative features. You will thrive in an environment that embraces cutting-edge technology and offers a platform to share your expertise among like-minded individuals in a no-ego team. Join us at Megaport, where technology is at our core and where we work in an exciting domain.

At TextNow, we champion the belief that communication is a fundamental right for all. As a pioneer in redefining connectivity, we blend simplicity, intelligence, and accessibility to empower millions of users every day. Our innovative team of builders leverages technology to make communication more affordable and impactful.As an iOS Software Developer, you'll do more than just develop applications; you'll significantly influence the systems, architecture, and tools that enable their creation. Our Technical Staff members blend leadership with hands-on coding, driving high-impact opportunities. The ability to think strategically while also engaging with intricate details is essential.You will take technical ownership of critical mobile domains, collaborating across mobile, backend, and data teams to deliver faster, smarter, and more reliable products. Embracing AI and automation is central to our development process. Your role will involve utilizing these technologies to accelerate development, enhance performance, rapidly identify and solve issues, and continually elevate the standards of mobile development excellence.We are looking for Technical Staff members at various levels (intermediate/senior/staff+). Whether you are a seasoned developer prepared to lead complex systems or an emerging developer eager to grow, we will tailor your title and scope to align with your experience and impact.This position is about making a significant impact at scale. You will influence how TextNow constructs and operates its systems in an AI-first environment, where intelligent tools are integrated into the daily engineering workflow. Leveraging AI is not merely encouraged; it is an expectation. From design and architecture to implementation, testing, debugging, documentation, and operational analysis, you will actively employ AI tools to enhance velocity, improve code quality, and make informed technical decisions. We offer a comprehensive suite of AI-powered development tools and workflows to support you in continually evolving your approach to foster efficiency, clarity, and product excellence across the organization.

About Range Group Range Group supports professional travel advisors with technology and 24/7 support. The company manages $4.5 billion in annual travel sales and believes travel advisors make every trip better. Range Group also dedicates 10% of group profits to social impact through the Range Foundation, funding exploration, education, cultural projects, and crisis support worldwide. Location and Work Arrangement This role is based in Canada. For those near Toronto, the position is hybrid with two days each week at the office (2 Queen St. E). Candidates outside commuting distance may work from home. Role Overview The Senior Software Developer (Backend or Full-stack) joins a team focused on TripArc's ADX platform. This booking tool supports thousands of travel advisors across North America. While another team builds the next-generation platform, this pod keeps existing features evolving, making them faster, more reliable, and better aligned with user needs. This position suits a senior developer who enjoys backend challenges. Work changes from sprint to sprint: one cycle might refine payment flows, another could improve always-on service, and the next might focus on optimizing performance under heavy usage. The scope is broad, and priorities shift as needs arise. What You Will Do Enhance and maintain features on the ADX platform used daily by travel advisors Investigate issues, propose solutions, and scope tasks with Product and QA teams Deliver code that goes directly into production Work without waiting for detailed specifications, take initiative to solve problems See the direct impact of your work in how advisors use the platform How the Team Works Developers at Range Group use AI coding tools such as GitHub Copilot, Claude, or Cursor as a regular part of their workflow. These tools help speed up development and improve code quality, alongside thorough code review and testing. Experience with AI-assisted development is important for success in this role. Who Should Apply Senior developers with strong backend or full-stack experience Those comfortable with changing priorities and varied technical challenges People who work well with minimal direction and enjoy collaborating across teams Developers who have mastered AI-assisted coding tools

Join our client, a leading global media and technology organization that links individuals to their passions. With a reach of nearly 900 million worldwide, we connect people to their interests—be it finance, sports, shopping, gaming, or news—through reliable products, content, and technology that enrich their everyday lives.As a prominent provider of email services, we dispatch over 4.5 billion emails daily and are consistently recognized for our high-quality mobile applications. Our mail services are crucial to our long-term growth strategy.About the Role:We are in search of a skilled Backend Java Developer to join our team, contributing to one of the foremost mail platforms globally. Currently, we are engaged in migrating our core mail services to a cloud-agnostic environment, necessitating the transfer of all applications, code, platforms, and infrastructure to the cloud, while optimizing and modernizing them for future scalability.About You:You are dedicated to advancing your skills and prioritize high-quality application development utilizing modern technology stacks and cloud environments. You will take joy in constructing the next generation of communication products across web and mobile platforms. Your focus will be on driving tasks to completion, collaborating to achieve shared goals, analyzing scenarios and potential edge cases, learning from leadership, and comprehending the broader impact of your contributions.If you aspire to be part of a world-class team of enthusiastic professionals and industry experts who value code quality, architecture, design, and user experience, all while enjoying camaraderie, we would love to hear from you.Tasks and Deliverables:Design, develop, and sustain Java-based applications on cloud platforms.Oversee the migration of Java applications and core mail services.Identify and implement optimizations, re-architect infrastructure as needed.Integrate with existing DevOps and CI/CD pipelines/environments.Enhance future maintainability of the platform and its associated tools.Design and implement solutions that fulfill business needs while ensuring scalability, security, and reliability.Collaborate with cross-functional teams to develop and deploy complex applications on AWS/GCP.Lead and mentor fellow engineers during the design and development process.

Important Notice on Application and Interview Integrity: Please be aware that impersonating someone else during the application or interview process to assist that person in obtaining employment at Precisely Software Incorporated ("Precisely") is illegal. Any fraudulent actions identified by Precisely may lead to the rejection of your application, rescinding of an offer, or termination of employment, along with potential legal consequences. At Precisely, we lead the way in data integrity, empowering businesses to make informed decisions based on reliable data. Our unique blend of software, data enrichment products, and strategic services enables us to help our customers enhance revenue, reduce costs, and mitigate risks. We serve over 12,000 global organizations, including 95 of the Fortune 100. Our team of 2,500 employees is driven by four core values: Openness, Determination, Individuality, and Collaboration. We prioritize career development and offer ample opportunities for growth and community building. Our remote-first culture embraces diversity and spans 30 countries, with offices on over five continents. Join us at this exciting time at Precisely!This position is 100% remoteRole Overview:As a Senior Software Developer, you will contribute to the design and development of microservices within a hybrid-cloud architecture, specifically under Precisely’s Data Integrity Suite. Your role will involve extensive collaboration with architects, UX specialists, product managers, and fellow developers to deliver robust solutions. You are expected to be hands-on and well-versed in the latest technologies.Key Responsibilities:Assume end-to-end technical ownership of product featuresEngage in unit-level design, coding, unit testing, integration testing, and participate in the complete software development life cycle (SDLC)Lead and participate in technical design discussions, providing constructive feedback and suggestionsCollaborate effectively with cross-functional teams to achieve project goals

Join Kepler as a Senior Backend Software Developer and contribute to innovative software solutions that drive our mission forward. In this role, you will collaborate with cross-functional teams to design and implement robust backend systems. Your expertise will be crucial in optimizing performance, enhancing scalability, and ensuring security in our applications.

Role Overview Robinhood Markets, Inc. is seeking a Backend Software Developer in Toronto, Canada. This role focuses on building and improving backend systems that support the trading platform. What You Will Do Design and implement backend systems for the trading platform Work with teams across engineering, product, and design to add and refine features Optimize system performance and support scalability as the platform grows

Join Affirm's dynamic Consumer Engineering team as a Senior Backend Software Engineer. In this remote role, you will play a pivotal part in designing and implementing scalable backend services that enhance user experience and drive business growth. Collaborate with cross-functional teams to deliver high-quality solutions and take ownership of significant projects that impact our customers.

*Remote - Canada*About Us:At Thanx, we are redefining loyalty and guest engagement for restaurants. Our innovative platform empowers regional and national restaurant brands to maximize customer lifetime value through user-friendly lifecycle marketing automation and cutting-edge loyalty tools that prioritize access, status, and personalization over traditional discounts. With our proprietary credit card tokenization technology, we significantly enhance the volume and accuracy of purchase data, which is integral to our CRM suite. Our web-based and app-based ordering solutions achieve industry-leading conversion rates and foster repeat purchases. Recognized in Nation’s Restaurant News as one of the most influential innovators in food service on the 2020 Power List, we are driven by a commitment to excellence.With over $30 million raised from prestigious investors such as M33 Growth, Ribbit Capital, and Sequoia Capital, our success is rooted in a culture that attracts top talent nationwide. We take pride in our strong employee retention, internal promotion track record, and impressive alumni network. Our core cultural values—Think Boldly, Execute Reliably, Focus on What Matters, Say 'Thanx' Genuinely, Encourage Diverse Perspectives, and Lead, Virtually—are essential to our achievements.

Join Affirm as a Senior Backend Software Engineer specializing in Merchant Advocacy. You will be responsible for designing, developing, and maintaining robust backend systems that support our merchant partners. Collaborate with cross-functional teams to implement solutions that enhance merchant experiences and ensure seamless integration of our payment solutions.

Role overview This Senior Backend Software Engineer position at Affirm focuses on continuous delivery for financial technology products. The role centers on building and maintaining backend systems that directly impact the user experience. The work involves designing scalable solutions that support Affirm's offerings. What you will do Develop and improve backend systems with a focus on reliability and scalability Collaborate with engineering, product, and design teams to deliver new features Use continuous delivery practices to streamline deployment and strengthen system stability Offer ideas and solutions that align with business objectives Location This is a remote role open to candidates based in Canada.

Role Overview Optro is hiring a Senior Software Engineer I focused on AI Governance. This remote position is open to candidates across Canada. The role centers on building AI solutions that meet internal governance policies and industry standards. What You Will Do Develop and improve AI systems with a strong focus on compliance and responsible practices Work closely with team members to ensure projects align with governance requirements Apply technical expertise to solve complex problems in AI development Who We’re Looking For Experience building AI or machine learning solutions Familiarity with governance policies or standards related to AI Strong problem-solving skills and attention to detail Comfort working remotely with a distributed team Location This is a remote role based in Canada.

** Remote - Canada **About Us:At Thanx, we pride ourselves on being a premier loyalty and guest engagement platform for restaurants. Our innovative tools empower both regional and national restaurant brands to enhance customer lifetime value through intuitive lifecycle marketing automations and personalized loyalty solutions that prioritize access and status over traditional discounts. Our cutting-edge credit card tokenization technology significantly boosts the accuracy and volume of purchase data at the heart of our CRM tools, while our app and web ordering experiences achieve top-tier conversion and repeat purchase rates. Recognized by Nation’s Restaurant News as one of the 50 most influential innovators in food-service in the “2020 Power List”, Thanx has attracted over $30M in investments from highly esteemed venture capital firms, including M33 Growth, Ribbit Capital, and Sequoia Capital. Our culture, characterized by core behaviors such as Thinking Boldly and Encouraging Diverse Perspectives, has enabled us to attract top talent, resulting in exceptional employee retention and a strong internal promotion record.

Why join Valtech? We are an experience innovation company, serving as a trusted partner to some of the world's most renowned brands. We provide our team with ample opportunities for growth, a culture driven by values, international career prospects, and the chance to help shape the future of experiences.The opportunityAt Valtech, you will find an environment that fosters continuous learning, encourages meaningful impact, and promotes professional growth. Whether you are pioneering innovative digital solutions, challenging conventional thinking, or creating the next generation of customer experiences, your contributions will play a vital role in transforming industries.

Join Centari as a Senior Backend Software Engineer!At Centari, we revolutionize high-stakes dealmaking by unlocking the power of private deal data. Our innovative deal intelligence platform is paving the way for a new era in law and finance, transcending mere automation to embrace data-driven decision-making. Our proprietary Deal Reasoning Engine converts complex documents into actionable insights, equipping global deal teams with the knowledge needed to negotiate effectively.We foster a diverse team of attorneys, financial experts, and engineers within a hybrid, cross-cultural environment. Our mission is supported by esteemed enterprise AI investors, including GTMfund and industry veterans such as Jeremy Kranz and Andy Appelbaum.We thrive on complexity as it breeds innovation. If you're a proactive builder who excels in ambiguous situations and embraces radical ownership, we want to connect with you!For more details, visit centari.com or follow us on LinkedIn.