Source Job

Europe

  • Design and deliver end-to-end solutions across frontend, backend, and infrastructure
  • Modernise targeted parts of the existing stack to reduce technical risk and improve delivery velocity
  • Lead development of new product add-ons with clear commercial value

PHP TypeScript React Node.js AWS

20 jobs similar to SENIOR SOFTWARE ENGINEER

Jobs ranked by similarity.

US

  • Analyze requirements and propose innovative AI-native solutions to technical problems
  • Write clean scalable code
  • Test and deploy features & services

WorkHero is building the AI-powered back office for the skilled trades, starting with the $50B+ HVAC industry. They have exciting traction and just closed a $5M seed round to expand their engineering and product organization, as well as add additional services.

Europe

  • Build with AI tools like Claude Code, Cursor, or GitHub Copilot to change how you approach every problem.
  • Work across the full stack contributing where needed, from debugging integrations to designing agent workflows or refining React components.
  • Shape our AI-assisted development practices, evolving context engineering and discovering new ways to leverage AI tools as they rapidly evolve.

RWS is focused on growing the value of ideas, data, and content by ensuring organizations are understood. The Product & Technology team, with over 500 staff, establishes unified standards and governance practices throughout the company, overseeing the development and maintenance of core applications.

$135,000–$162,000/yr
US

  • Design, build, and maintain backend services using modern dotnet.
  • Implement and evolve APIs (REST and GraphQL) for internal tools, AI agents, and client-facing features.
  • Build event-driven, cloud-native services on AWS.

FirmPilot builds AI-powered systems that automate and scale real-world business outcomes for law firms. It is a young, remote-first company focused on building durable, production-grade software with strong communication, ownership, and shared standards.

Latin America 3w PTO

  • Lead full stack development across AWS hosted services including EC2, S3, Lambda, and Fargate
  • Build, refine, and ship new product features with a focus on performance and user experience
  • Implement regression testing, QA automation, and edge case coverage to maintain product stability

Katapult is a nearshore software development agency that combines the best talent in LATAM with world-class execution and leadership experience, using an AI-first approach to product engineering. Katapult works with PMF+ startups and businesses in the United States, employing a team-augmentation model to become or augment their current product engineering team.

$155,000–$185,000/yr
US

  • Drive the architecture, design, and implementation of a system for managing deployed customer solutions at scale.
  • Lead strategic architectural decisions, help drive alignment, and optimize applications for performance, scalability, and observability.
  • Be AI-forward and curious—investigate, test, and apply emerging technologies to plan, execute, and validate projects.

RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams, enabling faster, smarter and more accurate emergency response. They have a mission-driven, ambitious, and inclusive team where people can innovate, collaborate, grow, and make an impact.

Global

  • Designing and evolving enterprise-grade backend services used directly by customers and partners.
  • Building stable APIs and integrations that support complex workflows without slowing the platform.
  • Improving observability and reliability, using real system and usage data to guide decisions.

Leonardo.Ai builds creative AI tools used by millions of people every day, helping individuals and teams bring ideas to life more easily using AI. Acquired by Canva in late 2024, they have long-term backing and the opportunity to scale globally.

Europe Unlimited PTO

  • Strong team player with a collaborative mindset
  • Partner with team in designing, implementing and delivering effective cloud based solutions - evidenced by timeliness, quality, usability, operational stability, performance, and success of meeting customer requirements/business objectives
  • Ability to maintain a proactive and positive attitude in a fast-paced, changing environment

Qualio is a unified quality and compliance management platform that helps regulated organizations get products to market faster with reduced risk. The Qualio team is all-remote, and currently distributed across North America, Europe and Australia.

$202,617–$202,617/yr
US Canada

  • Co-create the technical architecture, design patterns, and best practices for the AI Application Modernization Factory.
  • Act as a hands-on Principal Engineer, making significant code contributions, performing complex code reviews, and serving as the highest technical escalation point for engineering challenges.
  • Drive the technical strategy for modernizing legacy applications to a cloud-native, microservices, or serverless architecture across major cloud providers (AWS, Azure, GCP).

Banyan Software provides a permanent home for successful enterprise software companies, their employees, and customers. They acquire, build, and grow enterprise software businesses with dominant positions in niche vertical markets and were named the #1 fastest-growing private software company in the US on the Inc. 5000.

US Unlimited PTO

  • Influence the technical direction for infrastructure and platform capabilities that support our rapidly growing AI product suite.
  • Architect and evolve our cloud infrastructure (primarily on AWS) to support current and future products.
  • Mentor and level up engineers across Platform and product teams; review design docs, guide architecture decisions, and model high standards.

Rad AI is on a mission to transform healthcare with artificial intelligence. Our AI-driven solutions are revolutionizing radiology—saving time, reducing burnout, and improving patient care. Rad AI has secured over $140M in funding and our valuation is at $528M.

Latin America

  • Contribute to key architectural decisions and support a large scale re-imagining of our Site Generation and Site Builder Experience
  • Design and build cloud-native APIs, services, and front-end experiences used across our platform to support building Websites
  • Write clean, testable, scalable code across the stack

Luxury Presence is building the AI platform for real estate. Backed by Bessemer Venture Partners and other top investors, they’re a Series C company on track to hit $100M in annual recurring revenue in the next six months.

US

  • Architect, design, and develop proof-of-concepts and early-stage production systems leveraging LLMs, agentic workflows, vector databases, and emerging AI technologies.
  • Build integrations with platforms such as Microsoft Copilot, ChatGPT, and other leading models using APIs, SDKs, and custom toolchains.
  • Create advanced prompts, system instructions, tools, and agent architectures to elevate automation, reasoning, and decision-making across business processes.

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. They have grown from start-up to industry leader by innovating, simplifying, and valuing people and are a subsidiary of PROG Holdings. Prog Tech embodies the modernity and transformational vision that is core to their business evolution.

Europe

  • Design, develop, and maintain high-quality software solutions using Python.
  • Contribute to the design and evolution of scalable and maintainable software architectures.
  • Deploy, operate, and monitor applications in cloud environments (AWS, Azure, or GCP).

Lynx Analytics works on real-world AI and advanced analytics solutions with measurable business impact. They have a collaborative culture that values real outcomes, offering high ownership and rapid learning opportunities.

Global

  • Active participation in all aspects of software solution design, including code structure, deployment architecture, DevOps, automated testing and integration of third party systems in line with our technical strategies.
  • Constructing software at every layer of the stack, from user interfaces, back end services, data repositories, interoperability, infrastructure-as-code, deployment pipelines, automated testing and system monitoring.
  • Actively moving forward the evolution of our code base from C# to Rust.

Propellerhead is a leading software services company that designs, delivers, and maintains large-scale, custom-built digital platforms across a range of technologies. They foster long lasting and trusting relationships with all their clients, and they have worked with a diverse range of commercial, non-profit, and government organisations over our 20 years in the market.

US

  • Build and scale the AI Agent platform.
  • Design and implement APIs, services, and infrastructure.
  • Prototype rapidly and continuously improve system performance.

Podium brings AI Employees to local businesses that turn every conversation into revenue. Trusted by 60,000+ businesses, they have crossed $100M in AI Agent ARR, scaling 300% year-over-year and empowering real business outcomes for their customers.

US Unlimited PTO

  • Lead the design and development of key HireVue platform capabilities
  • Architect scalable, resilient solutions for our enterprise-level chatbot and communication systems
  • Write high-quality, production-ready code and contribute meaningfully across the codebase

Hirevue transforms the way organizations discover, engage, and hire talent by connecting companies and candidates anytime, anywhere. They are the industry leader in science-backed, modern hiring solutions powered by ethical AI and have hosted millions of video interviews.

Europe

  • Design and deliver intelligent, AI-enhanced applications using AWS technologies.
  • Build LLM-driven systems, RAG workflows, and vectorized retrieval architectures within .NET environments.
  • Develop MCP server implementations and orchestrate content-intake pipelines.

Software Mind develops solutions that make an impact for companies around the globe. They build cross-functional engineering teams that take ownership and crave more, so they're always on the lookout for talented people who bring passion and creativity to every project.

Latin America

  • Design and build high-performance, secure, and well-documented code that integrate with an ecosystem of existing services and apps.
  • Diagnose and optimize system bottlenecks, ensuring high availability and low-latency performance across large-scale workloads.
  • Leverage AWS services, Kubernetes and modern DevOps practices to build and deploy production-grade systems at scale.

Marsie connects top-tier engineers from Latin America with leading global teams, embedding experienced engineers into clients’ teams. Their engineers work on complex systems across modern stacks and cloud environments, while enjoying a remote culture built on trust and long-term relationships.

$118,000–$158,000/yr
US Canada UK Unlimited PTO

  • Design, build, and maintain web applications, APIs, backend services, and lambdas for the Loop product line.
  • Solve technical issues for our merchants, partners, and internal teams, with support from more experienced engineers.
  • Develop automated unit and integration tests to ensure code quality and reliability.

Loop provides a commerce operations suite that helps merchants make smarter decisions with every transaction. They have over 5,000 brands using their platform to build businesses that last and balance high levels of empathy with high standards.

US

  • Develop and maintain custom WordPress plugins and themes for Golf applications.
  • Contribute to customer-facing applications built with Next.js and React.
  • Participate in mobile app development using .NET 8 and related technologies.

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. As an independent, publicly traded company, VERSANT brings together powerhouse cable networks with dynamic digital and direct-to-consumer brands.

Europe

  • Contribute to the full development lifecycle from discovery and decomposition to designing, building, and deploying bespoke solutions.
  • Design and develop robust, full-stack software, including front-end, back-end, data integration, cloud infrastructure, and CI/CD pipelines.
  • Work directly with customers to understand their operational challenges and translate them into clear technical requirements.

Planet designs, builds, and operates the largest constellation of imaging satellites in history. They deliver an unprecedented dataset of empirical information via a revolutionary cloud-based platform. They have a people-centric approach toward culture and community and they strive to iterate in a way that puts their team members first and prepares their company for growth.