Source Job

$138,200–$172,700/yr
US

Design, develop, and maintain scalable services that support the diverse activities of a high-throughput laboratory. Develop both front-end and back-end applications Implement and manage CI/CD pipelines using GitLab. Collaborate closely with end-users and product managers to iterate on requirements and deliverables. Optimize architecture and infrastructure on the AWS cloud platform for performance, scalability, reliability, and cost-effectiveness.

Python React TypeScript SQL AWS

20 jobs similar to Senior Software Engineer

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US

  • Develop and maintain the client web application and data-driven user interfaces, ensuring architectural integrity and reliability.
  • Design backend architecture and implement services across AWS Glue, Redshift, DynamoDB, API Gateway, SQS, and Cognito.
  • Collaborate with the Product Manager to translate product requirements into actionable technical specifications.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York. Their team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects.

US 3w PTO

  • Minimum 5 years of related experience in software engineering, or an equivalent combination of education/experience.
  • Proficiency in Python, React and AWS Cloud Build Microservices that connect to NoSQL databases, DynamoDB preferred.
  • Build software components that integrate with a workflow engine and/or ESB to execute asynchronous business processes.

Railroad19 builds custom solutions and provides clients with top tier development services. They are a specialized team of developers and architects with a culture built on hard work and a desire to be thought leaders in the industry, that values your work and gives you the tools you need to succeed, while offering you a work/life balance.

  • Contribute to all phases of product development, from ideation and prototyping to implementation and iteration.
  • Build and evolve both frontend product experiences and backend services that power them.
  • Design reliable and scalable backend services to support new features in production.

Mainstay is the leading market intelligence platform purpose built for buying, managing, and selling homes in the single family rental industry.

US

  • Have experience working in a high-velocity software development organization.
  • Are proficient at building software that both powers and relies on the web.
  • Can build high-quality REST APIs.

Scrunch is a venture-backed startup that helps marketing teams rethink how their products and services are discovered and surfaced on AI platforms. With $26M in funding, they've scaled rapidly and work with over 500 paying brands.

  • Design, develop, and maintain full-stack features using Python on the backend and React with TypeScript on the frontend.
  • Build and evolve backend APIs and services to support complex workflows and integrations.
  • Contribute to system architecture, ensuring scalability, security, and maintainability.

Our client builds digital platforms for local governments, helping modernize public-sector operations with secure, scalable web applications.

Join Zapier’s AI Tasks team, where you’ll own the core AI surfaces that make our customers’ workflows smarter. Collaborate with AI experts, product managers, designers, and platform engineers to bring LLM-native workflows to life. Build and refine user-facing features and interfaces for initiating, monitoring, and guiding agent behavior.

At Zapier, we build and use automation every day to make work more efficient, creative, and human.

$160,000–$200,000/yr
US Unlimited PTO

  • Lead the design of systems for storing and retrieving reactor data and physics results at scale.
  • Architect and own CI/CD pipelines for multiphysics analyses, ensuring reliability, observability, and reproducibility of complex simulations.
  • Develop tools and platforms that enable reactor engineers to visualize, compare, and evaluate reactor designs.

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale, establishing a domestic supply chain for critical radioisotopes, and advancing nuclear fuel recycling to convert nuclear waste into clean energy. It is a fast-moving startup.

$125,600–$157,000/yr
US

  • Collaborate with Product Managers, Designers, and Backend Engineers to design and implement user interfaces.
  • Drive the architecture and design of complex frontend systems using modern frameworks and libraries.
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Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health.

$150,000–$200,000/yr
US

Enhance and extend borrower-facing digital experiences. Write code and build declarative automation on AWS serverless infrastructure. Collaborate with Product Managers and Designers to translate business requirements into technical specifications.

Reach Financial is a financial services provider that is helping people outsmart debt for good by delivering innovative financial products using modern technology and tools.

US

  • Design, develop, and maintain high-quality, scalable web applications and platform services.
  • Build robust backend services and APIs using modern frameworks and cloud-native patterns.
  • Provide architectural direction, evaluate technical trade-offs, and guide long-term platform evolution.

We are seeking an experienced Senior Fullstack Developer who excels in both hands-on engineering and leading projects.

$170,000–$190,000/yr
US Unlimited PTO

  • Build integrations to data sources and stronger bindings to the Flock Software Platform.
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Flock Safety is a safety technology platform, helping communities thrive by taking a proactive approach to crime prevention and security. They are a high-performance, low-ego team driven by urgency, collaboration, and bold thinking.

US Unlimited PTO

Contribute to the development of high-quality, scalable SaaS and cloud-based software solutions. Lead technical initiatives, mentor team members, and drive best practices across the software development lifecycle. Integrate APIs, cloud services, and mobile applications while ensuring security, reliability, and performance.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

$175,000–$200,000/yr

  • Design and implement backend systems, services, and APIs.
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Magnify is the next-generation automation platform for the post-sales experience—we grow revenue and reduce churn for software companies without adding headcount.

$190,000–$200,000/yr
US

  • Collaborate with business stakeholders and technical team to determine requirements.
  • Craft and document architecture designs and implement systems.
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Hometap offers a home equity investment product that provides homeowners with a fast, simple, and straightforward way to access the equity in their home without taking out a loan. They are committed to innovation in the fintech space and have been recognized as a great place to work.

  • Build features and systems with attention to detail and performance.
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  • Engineer not only solutions but also tools to understand the problem.

ClickUp is building the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI.

US Unlimited PTO

  • Design, build, and deliver high-quality features that drive customer and business impact
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Fieldguide is modernizing how cybersecurity, privacy, and financial audits are done by building software that streamlines the work. They are a remote-first company headquartered in San Francisco, CA and value diversity of backgrounds and experiences, and they’re deliberate about building an inclusive, humble, and high-performing culture.

$180,000–$200,000/yr
North America Unlimited PTO

  • Guiding product delivery, leading projects, providing technical guidance in a dynamic environment.
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  • Helping drive a healthy engineering culture within customer teams and inside Fluxon, mentoring engineers.

Fluxon is a product development team founded by ex-Googlers and startup founders, offering full-cycle software development. They partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products.

  • Design and implement foundational patterns and libraries for Python applications.
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  • Instrument observability through tools such as CloudWatch and DataDog to monitor and optimize application performance across multiple environments.

As a leader in aging care innovation, Honor provides the technology, tools, and services that empower older adults to live life on their own terms.

$65,274–$87,032/yr
Europe

  • Replace manual onboarding processes with automated pipelines using CI/CD and cloud tech.
  • Design, build, and deploy production-grade APIs and services within a microservices architecture.
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Mitek is a global leader in digital & biometric identity authentication, fraud prevention, and mobile deposit solutions. They have over 7,500 organizations trusting their platform, advanced image capture solutions in biometric recognition, AI, computer vision and machine learning. At Mitek, teams are more resilient, effective, and innovative. The strength of their organization is deeply rooted in the people who power it.

$115,000–$130,000/yr

Design, develop, and deliver high-quality software iteratively and incrementally. Take ownership of key components and services—from hands-on coding to deployment and monitoring. Mentor and support junior engineers through pairing, code reviews, and knowledge sharing.

Best Egg is a market-leading, tech-enabled financial platform helping people build financial confidence through a variety of installment lending solutions and financial health tools.