Source Job

• Design, develop, and maintain core OTA services including booking flows and reservation management.
• Build and optimize integrations with third-party travel suppliers and payment gateways.
• Architect scalable, distributed systems capable of handling high-volume transactions.

Casago is a vacation rental company where great people create exceptional experiences. They've grown into a trusted industry leader delivering genuine hospitality, valuing contributions, investing in growth, and giving the opportunity to make a real impact.

• Design, implement, and maintain highly scalable backend services written in Scala.
• Collaborate closely with engineers, data scientists, and product managers to define requirements and deliver impactful features.
• Contribute to system architecture, performance optimization, and fault tolerance improvements.

Appodeal is a US-based product company with a global presence, specializing in mobile app monetization. They foster diversity, collaboration, and innovation in their team of talented professionals around the world.

• Support features and architecture designed to keep our billing systems modern and flexible.
• Build new features and work to scale our platform and architecture.
• Build tooling and automation to fine tune our delivery process as you grow into a service oriented specialist.

Millions of people already rely on Calendly's products, and they're still in the midst of their growth curve—it’s a fantastic time to join them.

• Take technical ownership for Coursera's Payments platform, building and scaling a checkout & payment experience for consumers.
• Contribute to service architecture, product API development, and data modeling.
• Collaborate with cross-functional product, design, engineering, and services teams to ensure a thorough and thoughtful end-to-end implementation journey for payment features

Coursera was launched in 2012 by Andrew Ng and Daphne Koller with a mission to provide universal access to world-class learning.

• Maintain and improve the Ruby on Rails application used by learners, coaches, and staff.
• Develop and maintain integrations with systems such as Salesforce and Canvas.
• Participate in planning and design discussions for upcoming systems and integrations.

Merit America is a national nonprofit that creates pathways to family-sustaining careers for Americans stuck in low-wage work. They focus on fast, flexible solutions built for working adults, combining online learning with coaching to help learners connect with employers. Merit America is on a mission to build a scalable pathway for workers to join the middle class through merit.

• Drive the design & implementation of new features and/or re-architect existing systems.
• Design & deliver robust microservice integrations via REST/gRPC APIs.
• Collaborate and mentor other senior engineers while providing thoughtful guidance using code, design, and architecture reviews.

EarnIn builds products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck.

• Design, implement, and maintain integrations between internal apps and external platforms.
• Proactively monitor and troubleshoot integration issues to ensure uptime and performance.
• Automate workflows that reduce manual data processing across systems.

Wing is seeking elite talent to join M32 AI (backed by top-tier Silicon Valley VCs), dedicated to building agentic AI for SMB's globally.

• Take ownership of critical services that keep our systems secure, scalable, and lightning-fast.
• Build and deliver high-quality internal tools, SDKs, and shared services.
• Write clean, tested, and thoughtfully designed code.

Rula aims to create a world where mental health is no longer stigmatized or marginalized, but rather is embraced as an integral part of one's overall well-being.

Strengthen the real estate MLS data platform squad. Build robust data pipelines and backend services. Own the end-to-end architecture for MLS and property data.

Luxury Presence is the leading digital platform revolutionizing the real estate industry for agents, teams, and brokerages.

• Build the foundations that power our AI Agents at scale, designing systems for reliability, performance, and change.
• Use modern AI tools in your daily work to explore designs, scaffold code, generate tests, and document decisions.
• Expected to have solid engineering skills - clear contracts, readable code, strong test suites, observability, and maintainable architectures.

At Zowie, we’re revolutionizing how businesses interact with their customers by creating a future where AI Agents handle 100% of customer interactions.

Lead teams in the development of our integrated marketing platform and have a direct impact on the success of our company. Work with large data sets and have exposure to modern tech stacks React, Typescript, Ruby on Rails, GraphQL, Golang and more. Lead the teams responsible for building and evolving the core platforms that power StackAdapt’s products and engineering organization.

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.

Join the Streaming team to power Attentive's backbone of messaging and personalization. Help shape the future of the streaming architecture, moving to modern platforms. Influence how quickly Attentive can experiment, personalize, and scale across millions of devices and billions of events.

Attentive is the AI marketing platform for 1:1 personalization redefining the way brands and people connect.

• Build and scale Jane’s Booking platform, shaping how millions access care each month.
• Collaborate with Product, Design, and other functions to produce features that delight customers.
• Ensure accuracy, security, and ownership of AI-assisted work, aligning with engineering principles.

Jane is a team that's all about fostering growth, spreading delight, and serving our healthcare community by simplifying the lives of healthcare practitioners.

Design, build, and maintain scalable, reliable services that power high-volume software solutions. Take ownership of features from end-to-end across the software development lifecycle, including infrastructure, observability, and production operations. Write clean, production-grade code, focusing on maintainability, test coverage, and system resilience.

Rithum is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences.

Looking for a software/systems engineer with experience in building, testing, delivering enterprise cloud native software. Will have a lead role on an Agile development team and an ownership of Casebook Platform code repositories. Collaborate with design and product teams which includes client-facing delivery and implementation of the Casebook Platform.

At Casebook PBC, our software makes people’s lives better.

Shape product strategy & vision for Global Hotel’s distribution platform. Lead product discovery processes with channel manager partners and internal extranet stakeholders. Translate business requirements into technical specifications together with engineering teams.

At lastminute.com, we live for the holidays. We are the European Travel-Tech leader in Dynamic Holiday Packages.

As a Senior Staff Software Engineer, you'll provide technical leadership and drive meaningful impact across systems and teams. You will help shape and deliver scalable, secure, and cohesive partner-facing platform capabilities. You will focus on improving partner onboarding, integration experiences, and the long-term health of the partner platform.

NMI enables our partners with choice, and challenges the one-size-fits-all approach to payments.

• Architect and implement the next-generation compute platform.
• Tackle complex scalability challenges to meet the demand of Addepar’s exponential growth and global expansion.
• Focus on code quality, performance, and building high-scale systems.

Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients.

Serve as the technical owner for complex enterprise accounts. Build trusted relationships with IT, architects, and operations stakeholders. Architect and oversee scalable, secure, observable API integrations.

PAR Technology Corporation has been a leader in restaurant technology, empowering brands worldwide to create lasting connections with their guests.

Write reliable, secure, and scalable code for Lithic's products with minimal tech debt. Own projects from planning to launch, keeping stakeholders informed and aligned along the way. Engage in design discussions and collaborate across teams to build well-reasoned solutions.

Lithic creates card issuing and payment infrastructure for technology companies that just works.