Source Job

US

  • Design, develop, and maintain microservices for a provider-facing web portal.
  • Collaborate with product managers and designers on technical decisions and design implementation.
  • Support software through the full lifecycle, from ideation to release, including code reviews, QA, and compliance.

NodeJS TypeScript React AWS GraphQL

20 jobs similar to Senior Software Engineer, Portal Application

Jobs ranked by similarity.

Argentina 18w maternity 12w paternity

  • Design and implement scalable multi-tenant backend services and APIs.
  • Work with Node.js, TypeScript, MongoDB, GraphQL, Apollo, AWS, and Kafka.
  • Lead projects and mentor junior engineers in a remote-first, agile environment.

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences. It is a growing, privately held company with a culture that values grit, speed, and craft, and it is expanding with a new office in Buenos Aires.

$140,000–$180,000/yr
US

  • Design, build, test, and deliver reliable, scalable software across the full stack.
  • Drive technical direction and architecture for key product areas and platform systems.
  • Mentor engineers at all levels through code reviews, technical guidance, and professional development.

WithMe, Inc. delivers technology-powered amenities like automated printing and coffee solutions to clients and guests. It is a profitable, remote-first company operating nationwide and recognized among the fastest-growing private US companies for three consecutive years.

$160,990–$207,729/yr
Canada

  • Build full stack features end to end, from design through deployment and production support, with a focus on reliability and scalability.
  • Partner with Product and Design to shape scope, surface technical trade-offs, and provide credible estimates.
  • Raise the engineering bar through code reviews, mentoring, and shared standards while participating in on-call rotation.

Topstep builds the products funded traders and internal teams use every day, including trader-facing web experiences, account flows, payments, and internal tooling. The company fosters a collaborative, camera-on culture with a mix of fully remote and hybrid work, and encourages taking time off.

  • Design, build, and ship full stack features for our digital health platform.
  • Own major parts of the codebase and lead project execution with cross-functional teams.
  • Write clean, tested, high-performance code while elevating engineering standards.

Nourish is an AI-native digital health system that matches patients with dietitians, physicians, medications, lab testing, and AI agents for insurance-covered care across all 50 states. Founded four years ago, it has completed millions of appointments, tripled yearly, and raised $215M, fostering a high-bar, no-ego culture.

Hungary

  • Design and build well-architected TypeScript features end to end for AML services, including case management and admin panel.
  • Lead team-level design reviews, write design docs, and challenge requirements that don’t add up.
  • Take part in on-call rotation, debug complex cross-system issues, and mentor engineers to raise the bar.

SEON is the command center for fraud prevention and AML compliance, helping thousands of companies stop fraud and reduce risk. The company is fast-growing, partnering with digital brands like Revolut, Wise, and Bilt.

$169,000–$185,000/yr
US Unlimited PTO 20w maternity 12w paternity

  • Lead technical design and delivery of integrations and API products.
  • Work hands-on with engineers to build, launch, and operate these products.
  • Establish standards for API contracts, authentication, versioning, and developer experience.

GameChanger builds the first and best place for youth sports experiences, helping families elevate the next generation through sports. They are a remote-first, dynamic tech company based in New York City, solving big challenges in youth sports.

$185,300–$276,000/yr
US Unlimited PTO

  • Lead end-to-end development of product features from design through deployment and ongoing support.
  • Architect and build scalable backend services and APIs using TypeScript/Node.js.
  • Collaborate cross-functionally with Product, Design, CX, and Integrations to deliver customer-facing functionality.

Meadow is a modern payments platform for higher education that simplifies the entire student financial experience. They are a highly ambitious, talented team transforming the $600 billion higher education payments industry.

$160,300–$271,400/yr
US

  • Develop backend services and APIs for robotic fleet and application workflows.
  • Implement unit, integration, and end-to-end tests in CI pipelines with CI/CD and observability.
  • Partner with engineering, design, product, security, and quality teams to deliver compliant solutions.

Intuitive is a global leader in robotic-assisted surgery and minimally invasive care, with technologies like the da Vinci system. It's a team of engineers, clinicians, and innovators making surgery smarter, safer, and more human.

US Unlimited PTO

  • Lead technical design and delivery of scalable banking features for a seamless mobile experience.
  • Set architectural standards for code quality, performance, security, and reliability across services.
  • Mentor engineers and partner with product, design, risk, and compliance to ship high-quality software.

OnePay is an all-in-one consumer fintech platform offering banking, savings, credit, lending, investing, and crypto. It's a fast-moving, mission-driven company backed by Walmart and Ribbit Capital, with a low-ego, inclusive culture.

Ireland

  • Partner with PMs and engineers to design and deliver robust cloud-based solutions on AWS.
  • Build full-stack features with Python, Node.js, React, and TypeScript, owning them from code to production.
  • Apply TDD, clean code, CI/CD, and AI tools to move fast in a fully remote, collaborative environment.

Qualio is a unified quality and compliance management platform helping regulated life-science companies get products to market faster with less risk. The all-remote team spans North America, Europe, and Australia and values iterative development, clean code, and automation.

$87,600–$105,850/yr
Canada

  • Develop and maintain Shopify storefronts, custom applications, and integrations with enterprise systems.
  • Build internal web applications for retail operations, product appraisal, pricing, and event management.
  • Take ownership of existing applications, modernize architecture, and establish engineering standards.

The company operates in e-commerce and retail, using Shopify and enterprise systems to support business operations. It is building an internal software development team, offering a collaborative environment with significant technical ownership.

$97,200–$129,600/yr
Global

  • Own features end-to-end, from customer problem to production, across backend, API, and frontend.
  • Solve complex backend challenges involving tenders, bills of quantities, and large-scale price data.
  • Shape product decisions and collaborate with Product, Design, and Data to ship strategic initiatives.

Cosuno is a fast-growing tech startup revolutionizing the construction industry through a digital platform for tenders and procurement, powered by AI that analyzes millions of price data points. They value diversity, inclusivity, and a collaborative engineering culture with autonomy, transparency, and a strong focus on high-quality software.

US

  • Build customer workflows end to end, spanning data models, APIs, web interfaces, and mobile experiences.
  • Partner with product to shape technical plans, surface risks, and stage delivery in useful increments.
  • Own quality and operations, from tests and feature flags to monitoring and incident response.

Odin is a workforce visibility and compliance platform powering infrastructure projects like AI data centers and clean energy construction. We've grown over 7x from 2024 to 2025, and our team is scaling to meet accelerating demand.

Argentina 18w maternity 12w paternity

  • Design and build Nest.js service scaffolding for new backend services in our next-gen monorepo.
  • Own the deployment story for services on Cloudflare and interoperability with AWS and Kubernetes.
  • Lead migrations of codebases into the monorepo, turning each into a repeatable recipe.

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences. They move fast without sacrificing craft or quality.

$160,000–$170,000/yr
US

  • Partner closely with product and executive leadership to inform and implement company strategy.
  • Drive technical strategy and architecture for the forecasting product across all engineering domains.
  • Champion operational excellence, security, and compliance while mentoring engineering staff.

Endpoint is an interactive response technology (IRT) systems and solutions provider that supports the life sciences industry. Since 2009, the company has grown to have offices across the US, Europe, and Asia, focused on helping sponsors achieve clinical trial success.

US Unlimited PTO

  • Own meaningful parts of the Osano platform end to end, from shaping problems with Product to running solutions in production.
  • Use AI coding agents and automations to explore code faster, ship more, and eliminate repetitive work while ensuring every line is verified.
  • Build with privacy and security by design, mentor other engineers, and take part in on-call rotation and incident response.

Osano is a data privacy platform that helps organizations comply with GDPR, CCPA, and global privacy regulations. It is a fast-scaling B-Corporation with top-tier investors, recognized as a Great Place to Work with 97% employee satisfaction.

$130,000–$170,000/yr
US

  • Design and implement core platform features for IoT device management and DER integration.
  • Drive migration from monolith to microservices, including API development and data modeling.
  • Mentor engineers and collaborate cross-functionally to deliver scalable, high-quality solutions.

EnergyHub empowers utilities and their customers to create a clean, distributed energy future by turning smart thermostats, EVs, batteries, and other devices into virtual power plants. The company offers a collaborative, flexible culture with a focus on climate impact, growth, and employee wellbeing.

$170,000–$230,000/yr

  • Work with customers to identify needs and translate large, ambiguous problems into scoped, testable features.
  • Participate in discovery, solution design, technical implementation, testing, and post-launch iteration across the full stack.
  • Build accessible, observable, and performant software with a focus on user experience and reliability.

Prysm Health is a healthcare technology company building products that improve patient care and clinical workflows. The team emphasizes cross-functional collaboration, user experience, and engineering excellence.

US

  • Develop high-level technical designs and lead discovery activities for medium- to large-scale projects.
  • Design, develop, and maintain RESTful microservices and GraphQL-based APIs with Node.js and React.
  • Implement cloud-native solutions using Azure, Docker, Kubernetes, and CI/CD pipelines.

US

  • Leads backend architecture and system design for Node.js services.
  • Designs and implements complex Node.js and TypeScript features.
  • Provides technical leadership and mentoring to the Node sub-team.

Evry Health is a healthcare technology company building a backend platform for health insurance. It is a remote-first company with a focus on engineering excellence and regulatory compliance.