Source Job

$160,000–$220,000/yr
US

  • Architect, design, and implement backend services including our core API.
  • Write code mostly in Scala and promote technical design standards.
  • Continuously improve product architecture and build tools for the platform.

Scala TypeScript PostgreSQL GraphQL AWS

20 jobs similar to Software Engineer (Senior-Staff)

Jobs ranked by similarity.

Brazil

  • Design, develop, and optimize high-performance backend systems using Scala and functional programming.
  • Build and maintain cloud-native applications on AWS and GCP with robust data pipelines.
  • Collaborate with multidisciplinary teams to deliver reliable, secure, and scalable solutions.

Jobgether is an AI-powered job matching platform that connects candidates with opportunities. The partner company focuses on building scalable, cloud-native applications and modern data processing solutions.

$160,000–$230,000/yr
US

  • Build backend services, APIs, and data layers powering product domains like outreach automation, payments, reporting, and analytics.
  • Own data modeling, ETL, and vendor SDK integrations while contributing to React frontend and internal tooling.
  • Partner with Product throughout the development lifecycle, author technical specs, and contribute to CI/CD and development infrastructure.

Pearly is a B2B SaaS and payments company serving over 2,500 dental offices. They are scaling rapidly with a hyper-modern stack and a focus on shipping impactful capabilities.

$170,000–$190,000/yr
US Unlimited PTO

  • Own and evolve the backend systems powering Foodsmart's platform, designing and building scalable APIs and data infrastructure.
  • Collaborate with front-end engineers and product teams to ensure end-to-end quality and strong product outcomes.
  • Debug and optimize system performance, establishing development practices like code reviews and comprehensive testing.

Foodsmart is a Foodcare platform that combines personalized nutrition care with food benefits to improve health outcomes while lowering costs. Backed by a $200M investment from TPG's Rise Fund, the company serves over 3 million members and is committed to making nutritious food accessible and affordable.

$175,000–$250,000/yr
North America

  • Design and build scalable, secure backend services using C# and TypeScript, with expertise in PostgreSQL, Docker, Kubernetes, and AWS.
  • Mentor junior engineers and collaborate with cross-functional teams to define requirements and deliver platform solutions.
  • Stay current with emerging technologies, optimize system performance, and implement security best practices.

Later is an AI-powered influencer marketing platform that helps brands create campaigns by combining real creator relationships and data-driven insights. The company is trusted by leading enterprise brands and fosters a culture of inclusion, ownership, and continuous learning.

$180,000–$200,000/yr
US

  • Design and build scalable backend services and APIs.
  • Develop integrations with healthcare and financial systems.
  • Build reliable, observable data ingestion and processing pipelines.

This healthcare AI startup builds products that help providers navigate reimbursement landscapes using machine learning and AI. It has assembled an exceptional technical team and is fast-growing.

US Unlimited PTO

  • Own transaction processing platform infrastructure for signing and settlement flows, including service design and operational health.
  • Design data models, API contracts, and retry/backoff logic; write RFCs relied on by Banking and Blockchain engineers.
  • Define production readiness with SLOs, alerting thresholds, and runbooks; lead incident response and postmortems.

The Cari Network builds blockchain-based payment systems for real-time digital money movement across finance and digital assets. As a pre-launch startup, we are creating new financial infrastructure bringing cash on chain through tokenization.

Europe Poland

  • Design, build, and maintain highly performant, low-latency APIs and distributed microservices handling identity, authorization, user profiles, and product configurations.
  • Own features end-to-end: partner with Product to shape requirements, through system design, implementation, and production monitoring.
  • Build reusable internal tooling, ensure high-quality observability, and advocate for engineering best practices across the organization.

Backstory helps companies understand the state of their revenue business by analyzing trillions of sales activities and millions of deals. Headquartered in San Francisco and backed by Y Combinator, Andreessen Horowitz, and Lightspeed, the company is a top 20 percent Inc 5000 firm and a regular leader in G2 categories.

$165,000–$185,000/yr
US

  • Design, build, and operate reliable, scalable backend services and data pipelines.
  • Work across our cloud infrastructure (AWS) to ship and run production systems.
  • Improve the performance, reliability, and observability of the systems you own.

Allocate is transforming private market investing by enabling RIAs and family offices to seamlessly discover, model, and manage their private market exposure. They are a company that values world-class client experience, challenges convention, and embraces continuous improvement and meritocracy.

$100,000–$200,000/yr
Europe Global

  • Design, build, and ship production features across Vallor's TypeScript stack.
  • Own backend services, APIs, integrations, and serverless infrastructure on AWS.
  • Work directly with enterprise customers to translate needs into product capabilities.

Vallor is building an enterprise-ready AI coworker for procurement, legal, and sales teams that integrates with existing systems to automate contract review, negotiation, and compliance. It is an early-stage company with an 11-person team and a highly AI-native engineering culture.

$140,000–$200,000/yr
USA

  • Design, develop, and operate ledger and payments services for accurate crypto and fiat money movement.
  • Build scalable APIs and data models to support new transaction types while ensuring correctness and auditability.
  • Partner with cross-functional teams and mentor teammates to deliver production-grade code.

Gemini is a global crypto and Web3 platform founded by the Winklevoss twins, offering secure crypto products in over 70 countries. The publicly traded company emphasizes building diverse teams and fostering an open, fair, and secure cryptoeconomy.

US Unlimited PTO

  • Design and build scalable cloud-based products, including mobile and web applications, that improve the implant supply chain.
  • Contribute to technical architecture, code quality, and testing standards while collaborating with Product, Engineering, and other teams.
  • Develop and maintain REST APIs and integrations, troubleshoot production issues, and stay current with emerging technologies.

Casechek innovates the implant supply chain to bring transparency to patient care costs by automating workflows for vendor-supported surgical procedures. The team is highly collaborative, self-motivated, and values diversity, curiosity, and long-term growth.

Global

  • Build and scale backend services in TypeScript on AWS Lambda, backed by PostgreSQL and Hasura GraphQL.
  • Own the data model and API surface, including schema design, migrations, and permissions.
  • Implement logic for global payouts, tax validation, and 1099 generation.

We handle payments and compliance for the creator economy. We have moved over $1.5 billion to more than 100,000 creators in 180+ countries and maintain a small, senior team.

Mexico

  • Drive the design and implementation of new features, creating high-quality, maintainable code.
  • Collaborate and mentor other engineers while working cross-functionally with teams.
  • Debug production issues across services infrastructure and multiple levels of the stack.

EarnIn builds products that deliver real-time financial flexibility for those living paycheck to paycheck, allowing access to earnings without mandatory fees or credit checks. The company has a world-class leadership team and funding partners like A16Z, Matrix Partners, and DST, with a healthy core business and rapid growth.

$114,300–$139,700/yr
UK

  • Design, develop, test, monitor and maintain backend services for our systems.
  • Build clean, efficient, and well-documented APIs for web and mobile applications.
  • Write high-quality, maintainable code with a focus on reliability, scalability, and performance.

Midnite is a next-generation sports betting and gaming platform built for a new wave of players. With over 400,000 players and a high-performance team, we operate at pace with high ownership and constant iteration.

$140,000–$220,000/yr
US

  • Develop frontend and backend features for Akash Console
  • Build and maintain public APIs and SDKs for partners
  • Work on automated tests and CI/CD automation

Akash Network is developing the world’s first decentralized cloud computing marketplace, enabling any data center to become a cloud provider by offering unused compute cycles. They are a remote-first, distributed team of open source and blockchain developers from leading technology companies.

Switzerland 5w PTO

  • Design and develop hyperscaling solutions for third-party systems to enhance platform extensibility.
  • Build and refine API interfaces and service communications for scalability and clarity.
  • Collaborate across teams and mentor fellow engineers through code reviews and pair programming.

Frontify’s brand platform helps teams organize digital assets, collaborate on projects, and create engaging campaigns. They empower thousands of marketers and designers at companies like Uber and Microsoft, with a culture built on creativity, collaboration, and inclusion.

US

  • Lead design and implementation of backend services for large-scale, data-rich healthcare applications.
  • Drive architecture decisions for integrations with third-party data sources and APIs.
  • Mentor engineers and elevate engineering standards through design reviews and operational excellence.

Omada Health is reverse engineering healthcare delivery in America, focusing on chronic conditions like obesity, diabetes, and hypertension. They are a publicly traded company (Nasdaq: OMDA) that has served over two million members and employ a virtual-first model with human-led care teams.

Global

  • Work on challenging software engineering tasks across backend, full-stack, infrastructure, and systems.
  • Review, debug, improve, and explain code across different technical environments.
  • Design or evaluate practical solutions involving APIs, databases, services, and deployment workflows.

Our client is a rapidly growing, venture-backed AI company that helps shape intelligent systems by combining human expertise with machine learning. With over $40 million in funding and a global network of experts, they build human intelligence infrastructure for the AI economy.

$176,000–$253,000/yr
US Unlimited PTO

  • Partner with product and clinical teams to turn vision into shipped product, owning architecture end to end for new member- and care team-facing experiences.
  • Apply broad technical judgment across languages and systems, using modern engineering and AI-assisted tools to quickly evaluate tradeoffs and guide delivery.
  • Set the quality bar with clean, well-tested, scalable code and mentor other engineers to remove ambiguity and ship fast.

Omada Health is reverse engineering the way healthcare is delivered in America, focusing on chronic conditions between doctor visits. They have served over two million members across 2000+ employers and health plans and are a certified Great Place to Work.

  • Design and build scalable backend services for high-volume financial transactions and rewards platforms.
  • Own full feature delivery across core systems including payments, rewards, account services, and partner integrations.
  • Collaborate with frontend and mobile engineers to support end-to-end feature development.

HMBL is a talent partner and executive search solution that partners with innovative tech companies. The company values transparency, overcommunication, and continuous improvement, leveraging AI to acquire top technical talent.