Source Job

$175,000–$200,000/yr
US Unlimited PTO

  • Design, build, test, and deploy across Gravity's payments infrastructure including gateway services, device integrations, transaction processing, and supporting systems, owning problems end-to-end.
  • Manage and evolve AWS infrastructure through infrastructure-as-code, maintaining security posture and best practices, while participating in incident response and documentation.
  • Make collaborative architectural decisions, pragmatically address technical debt, and conduct useful code reviews that catch issues and teach domain context to build a resilient team.

20 jobs similar to Senior Software Engineer

Jobs ranked by similarity.

Global

  • Design, build, and maintain scalable backend services and APIs for compliance, data, and payment products.
  • Collaborate cross-functionally to translate business needs into technical solutions and take ownership of end-to-end projects.
  • Ensure code quality, reliability, and security through best practices and mentor junior engineers to foster technical excellence.

Finalis builds core infrastructure for private capital markets. The company offers a 100% remote, diverse, and inclusive environment with a focus on career growth through structured programs.

$96,245–$120,307/yr
Canada

  • Develop, test, and deploy applications for internal use.
  • Collaborate with teammates via peer reviews and pair programming.
  • Support internal users and ensure system uptime.

Twilio is shaping the future of communications by delivering innovative solutions to businesses and empowering developers worldwide. They are dedicated to remote-first work with a strong culture of connection and global inclusion, with locations around the globe.

Global Unlimited PTO

  • Building secure-by-default libraries and templates for engineers.
  • Reviewing designs for authentication, data exposure, and abuse cases.
  • Improving developer workflows and CI/CD guardrails to catch issues early.

Loancrate simplifies home-buying for lenders and borrowers. They are a remote team that has enabled customers to power >$85 billion in new home loans with a belief in collaboration and open communication.

US Unlimited PTO

  • Own and drive business-critical product areas.
  • Design, build, and operate scalable, high-performance backend services.
  • Lead projects and collaborate with Product, Design, QA and other engineers.

Jobgether uses an AI-powered matching process to ensure applications are reviewed quickly, objectively, and fairly against the role's core requirements. The system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company.

$172,000–$203,000/yr
US Canada

  • Take ownership of the Fondue cashback and incentives product, evolving its underlying architecture and driving technical standards for scaling.
  • Independently design and execute solutions for distributed systems, implement AI-first coding practices, and decouple monolithic dependencies.
  • Architect and maintain scalable REST APIs, collaborate cross-functionally with finance and support, and improve system resilience by eliminating single points of failure.

Postscript provides an SMS marketing platform for ecommerce brands to manage subscriber lists, messaging, customer service, and drive sales. It's a 100% remote organization with over 250 employees, backed by top investors like Greylock and Y Combinator, and fosters a high-growth, autonomous, and passionate culture.

$169,000–$265,000/yr
US Canada Europe Unlimited PTO

  • Ensure high reliability, low latency, and correctness for Lithic's transaction processing interfaces and related services
  • Lead delivery of new capabilities across authorization, clearing/settlement, disputes, and network integration surfaces
  • Own and evolve the infrastructure supporting physical network peering with card network partners, ensuring connectivity, failover, and capacity meet reliability requirements

Lithic is a modern card issuing and processing platform empowering ambitious financial companies to build the future of payments. They are a team of 160+ across 26 states and 7 countries, headquartered in New York City.

Global 6w PTO

  • Collaborate with teams and stakeholders to design effective solutions, considering trade-offs between timelines, resources, and quality.
  • Implement technical solutions with DevOps practices, deploy to production, monitor systems, and resolve incidents involving AWS infrastructure and AI providers.
  • Continuously improve system stability, reduce technical debt, introduce new technologies, and maintain CI/CD pipelines and code quality tooling.

Social Discovery Group unites millions of users on dozens of social discovery products to solve loneliness and transform virtual intimacy into the new normal. It is an international team of over 1000 digital nomads and professionals, recognized as a Great Place to Work, with a culture that encourages remote work across global locations.

$91,250–$102,200/yr
Canada 4w PTO

  • Collaborate to develop high-quality software designs and architecture
  • Maintain and advance micro-services and APIs
  • Take ownership of mid-level projects and deliver quality work independently

Velora helps nonprofit organizations thrive by offering a suite of tools for fundraising, donor management, financial tracking, and communications. They are a unified company formed by Aplos, Raisely, and Keela, with a focus on making nonprofit work easier and more impactful.

$160,000–$180,000/yr
US 4w PTO

  • Design and build secure, scalable AWS infrastructure using tools like Terraform and CDK.
  • Own networking architecture including VPCs, routing, VPNs, and implement comprehensive observability and CI/CD systems.
  • Collaborate with product and security teams to integrate logs into SIEM, manage incidents, and develop operational runbooks.

Imagine Pediatrics is a pediatrician-led, technology-enabled medical group that provides virtual-first and in-home medical, behavioral, and social care for children with complex medical needs. The company is guided by core values centered on putting children first, earning trust, and embracing diverse perspectives to support their mission.

$160,000–$220,000/yr
Americas Unlimited PTO 12w maternity 12w paternity

  • Own technical integration delivery for priority customers — from first API call through production scale
  • Write TypeScript/Node.js code to build, customize, and debug integrations with payments systems, cloud platforms, and third-party APIs
  • Debug complex real-world issues live with customers — crawling edge cases, data pipeline failures, infra constraints

Firecrawl is the easiest way to extract data from the web. Developers use them to reliably convert URLs into LLM-ready markdown or structured data with a single API call. They are a small, fast-moving, technical team building essential infrastructure for the AI era, having hit 8 figures in ARR and 100k+ GitHub stars in just over a year.

Mexico Brazil 4w PTO

  • Own edge governance and traffic analysis using Cloudflare, monitoring for threats and implementing real-time countermeasures.
  • Lead the vulnerability management program, including triaging third-party researcher reports and coordinating fixes between external researchers and internal engineering teams.
  • Design and execute proactive offensive security strategies, including internal penetration tests focused on real-world attack paths and business logic flaws.

Donorbox is a leading fundraising platform and donor management system for nonprofit organizations. The company is a profitable, bootstrapped, and fully distributed team of about 150 people based in over 16 states and 23 countries, known for building trusted products and being recognized as a great place to work.

Global 5w PTO

  • Maintain and develop UW's insurance products through collaboration with product managers and engineers.
  • Modernize technology for managing task queues, enhance agent scripts, and perform migrations to internal infrastructure.
  • Automate billing processes, improve customer communications, and develop new features in microservices with monitoring.

UW is on a mission to simplify utilities by providing energy, broadband, mobile, and insurance services all in one place with a single bill. It's a growing remote-first company with a people-first culture, offering flexible work arrangements and aiming to double in size.

US

  • Design and ship production-grade features across the full stack.
  • Build and evolve AI-powered agentic workflows that automate complex billing decisions.
  • Architect resilient integrations with dental insurance carriers and practice management systems.

Wisdom blends industry expertise with advanced technology to make dental practices work better. Coming from a fresh $21M Series A round of funding, we are looking for exceptional candidates to help us build a category-defining company.

US

  • Design and implement integration patterns for connecting external healthcare and ERP systems to internal services using Kotlin/Python.
  • Build secure and reliable containerized backend services on GCP, ensuring data flows comply with healthcare regulations like HIPAA.
  • Collaborate with Data Engineering and external partners on API design, monitoring, and troubleshooting to maintain integration layer reliability.

Prolaio is a healthcare technology company focused on creating a connected data platform for precision cardiology to improve patient care and outcomes. It operates as a collaborative, science-focused startup aiming to make heart care more effective and efficient.

$140,000–$210,000/yr
US 3w PTO

  • Think product-first - own outcomes and ensure work delivers customer impact.
  • Design, build, and ship features end-to-end, from definition through production.
  • Use AI as a core part of your workflow - writing specs, generating code, and critically evaluating outputs.

Digible is a digital marketing company founded in 2017, providing solutions for the multifamily industry with their predictive analytics platform, Fiona. They pride themselves on a collaborative, transparent, and authentic culture, and has been recognized as a Top Workplace in Colorado.

Global

  • Support the underlying infrastructure to fight financial crime.
  • Work with a small, passionate, and experienced team.
  • Influence the overall architecture and hosting strategy.

Hummingbird is a remote-first company united by the mission of fighting financial crime. They are customer-obsessed and love building SaaS products, with a culture that values diverse opinions and supports employees.

Brazil

  • Develop and maintain scalable, reliable, and secure services using Golang, with exposure to JVM-based technologies, deployed on AWS.
  • Own the delivery of clean, efficient, testable, and well-documented code aligned with the squad’s technical strategy and business goals.
  • Design and implement scalable microservices architectures, evaluating trade-offs related to performance, reliability, and maintainability.

Pismo provides a comprehensive processing platform for banking, card issuing, and financial market infrastructure, helping customers innovate and build next-generation banking and payment solutions. Pismo has 500+ employees located in more than 10 countries and joined Visa in 2024.

US 6w PTO

  • Build and roll out new features with your team, iterating based on results.
  • Drive projects from initial ideation to operational deployment.
  • Analyze, design, and build modular solutions for complex challenges.

Jobgether is a platform helping candidates find the right job. They use AI-powered matching to ensure every application is reviewed quickly, objectively, and fairly against the core requirements.

Global

  • Design and build event processing services and pipelines on AWS serverless.
  • Write production-quality Golang and/or Python code with comprehensive testing and observability.
  • Own services end-to-end: development, deployment, monitoring, incident response, and SLA adherence.

Pismo provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo's 500+ employees are located in more than 10 countries around the world.

US Unlimited PTO

  • Own LINQ’s payments product, including the Worldpay for Platforms payfac-as-a-service integration and district-facing payment functionality in LINQ Connect.
  • Build deep expertise in K-12 payments to reduce district complexity, setting clear priorities by balancing near-term improvements with long-term platform investments.
  • Partner with engineering, payment operations, and other teams to ensure successful delivery, while acting as the voice of the district through regular customer engagement.

LINQ provides a cloud-based software platform that integrates finance, HR, nutrition management, and payments to help K-12 school districts operate more efficiently. The company serves 30% of U.S. school districts, has a team-focused culture, and is committed to trust, excellence, and collaboration.