Source Job

$112,000–$157,000/yr
US 3w PTO 8w maternity 8w paternity

  • Implement and maintain network delivery solutions for MCG Data Science SDKs, focusing on deployment, security, auth, and observability.
  • Work closely with teammates to understand integration contracts, implement to spec, and surface early blockers.
  • Provide expert code reviews and technical mentorship, and design solutions on modern infrastructure.

Python Golang Backend Development Distributed Systems API Integration

20 jobs similar to Senior Software Development Engineer

Jobs ranked by similarity.

US Unlimited PTO

  • Design and build scalable backend systems, APIs, and data pipelines
  • Own services end-to-end from architecture, development, deployment, to operation
  • Mentor junior engineers and contribute to a strong engineering culture

We transform vulnerability intelligence by helping security teams act faster with more confidence. We have a transparent, collaborative culture with a small, smart, and supportive team built on over two decades of cybersecurity experience.

Canada Unlimited PTO

  • Design and develop scalable backend services for AI-powered product capabilities.
  • Build and optimize retrieval pipelines, search infrastructure, and cloud-native services.
  • Collaborate with cross-functional teams to deliver customer-focused solutions.

Our partner is building AI-powered knowledge systems. They are a rapidly growing technology company with a collaborative and remote-friendly culture.

$164,200–$229,900/yr
United States Unlimited PTO

  • Work cross-functionally with product, design, and engineering to build novel products and features.
  • Contribute to the full development cycle: technical design, development, test, experimentation, analysis, and launch.
  • Continuously learn and improve technical and non-technical abilities.

Reddit is a community of communities built on shared interests, passion, and trust, hosting authentic conversations daily. With 100,000+ active communities and approximately 126 million daily active unique visitors, it's one of the internet's largest information sources and emphasizes remote-friendly culture.

$120,000–$160,000/yr
US

  • Design, develop, and maintain scalable web applications, APIs, and backend services for client engagements.
  • Work across a variety of languages and frameworks, including Ruby on Rails, React, Node.js, Rust, Python, Java, and Go.
  • Architect pragmatic solutions, lead client demos, and contribute to internal best practices and thought leadership.

NextLink Labs is a fast-growing technology firm helping companies build, scale, and secure software applications. As a remote-first company with team members across the country, they maintain a collaborative and inclusive work environment.

US

  • Troubleshoot complex code and client integrations to identify bugs, performance bottlenecks, and configuration issues.
  • Collaborate with Engineering to escalate and prioritize product gaps, bugs, and client feedback for improvement.
  • Build internal tools, scripts, and dashboards to enhance support efficiency and monitor API health proactively.

Zerohash is the leading crypto and stablecoin infrastructure platform, enabling banks and fintechs to offer digital asset services without building blockchain infrastructure. Founded in 2017, the company has raised over $280 million in funding and is trusted by major financial brands, guided by principles of independence, passion, and collaboration.

$200,000–$260,000/yr
US Unlimited PTO

  • Lead and grow a team of backend/platform engineers building systems that power core products.
  • Drive execution across planning, prioritization, and delivery with a focus on reliability and scalability.
  • Own the technical direction of backend services and APIs, ensuring systems are secure, performant, and maintainable.

SentiLink provides innovative identity and risk solutions for institutions and individuals. We are a rapidly growing company backed by top investors, with offices across the US and India, and a culture of collaboration and ownership.

$105,850–$113,150/yr
Canada

  • Design, build, and maintain secure, scalable backend services, databases, and APIs that support our products.
  • Lead technical direction, design discussions, and coordinate delivery across multiple systems.
  • Collaborate with Product, Operations, and other engineering teams to deliver reliable software.

Tucows Domains is the world's largest wholesale domain registrar, responsible for maintaining the health, neutrality, and openness of the domain name system (DNS). As part of Tucows, one of the world's largest Internet companies, they have over 1,000 employees from over 20 countries and embrace a people-first, remote-first culture.

US 3w PTO

  • Develop and maintain backend services and AI-driven systems using Golang, PHP, and AWS.
  • Collaborate with designers and PMs to deliver secure, stable, and elegant solutions.
  • Mentor team members, review code, and influence architectural decisions.

Subsplash builds The Ultimate Engagement Platform™ for churches, Christian ministries, non-profits, and businesses. With 290+ team members, we are family-owned, mission-driven, and committed to humility, innovation, and excellence.

Ireland

  • Design and develop backend services using Python and Go to support experiment platform APIs.
  • Build scalable APIs, data models, and developer tools to simplify research workflows.
  • Collaborate with cross-functional teams to deliver solutions aligned with evolving technical needs.

This role is with a partner company focused on AI research infrastructure. The team is remote-first, international, and emphasizes engineering quality and ownership.

$116,960–$146,200/yr
US

  • Design and build robust, scalable backend systems and APIs across Twilio Segment's data platform.
  • Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture.
  • Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes.

Twilio provides real-time communications and data solutions that help companies and developers worldwide build better customer experiences. With thousands of employees globally, they foster a remote-first culture focused on diversity, equity, and inclusion.

US

  • Diagnose and resolve customer-reported issues quickly, from investigation through durable fix.
  • Deliver high-quality engineering work that improves platform reliability and directly addresses customer needs.
  • Partner closely with Customer Success to align on technical solutions and maintain backend systems, APIs, and data pipelines.

VulnCheck is The Exploit Intelligence Company, delivering structured exploit intelligence for exploitation prevention. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a team of cybersecurity experts.

Canada

  • Define technical strategy for your team on a year-long scale, tying it to critical business projects.
  • Collaborate across teams in product development, ensuring technical sustainability and managing trade-offs.
  • Foster a culture of quality and ownership through code review standards, design advocacy, and mentorship.

Affirm is a financial technology company that offers buy now, pay later services without hidden fees. They are a remote-first company with a global engineering team, focused on honest and friendly credit.

US Unlimited PTO

  • Design, architect, and implement AI-powered backend systems that automate and optimize software development workflows.
  • Identify friction points across the engineering lifecycle and transform them into scalable, reliable automation solutions.
  • Collaborate with globally distributed engineering teams to share tooling, best practices, technical roadmaps, and reusable solutions.

Global 4w PTO

  • Develop and maintain backend services and APIs in Go
  • Design and optimize PostgreSQL schemas and queries for high-volume data
  • Build reliable orchestration and integration layers across internal and third-party systems

Oneleet is a security and compliance platform that helps companies build, manage, and monitor cybersecurity programs and achieve compliance standards such as SOC 2 and ISO 27001. Having raised a $33 million Series A, we are rapidly growing with a team of experienced security professionals and a culture of autonomy and impact.

Global

  • Build the world's fastest APIs delivering globally resilient access to blockchain nodes.
  • Implement customer management, control, and billing systems.
  • Scale systems for data ingestion, storage, and query capabilities.

Validation Cloud is an AI platform powering Web3 finance, delivering products across Data x AI, Staking, and Node API, trusted by billions in staked assets. Backed by over $20M in venture funding, it has a world-class team spanning San Francisco, New York, London, and beyond.

Spain

  • Design and launch backend systems at scale using Python or Kotlin.
  • Collaborate with product management, design, and analytics to define technical plans and articulate constraints.
  • Foster a culture of quality and ownership through code reviews, design standards, and tech talks.

Affirm is reinventing credit to make it more honest and friendly, offering consumers the ability to buy now and pay later without hidden fees. The company is a global fintech with a remote-first culture, known for its agile and fast-paced environment, serving over 20 million users.

$148,500–$192,000/yr
US

  • Build and enhance scalable Golang microservices for eligibility, coverage, billing, and client-facing systems.
  • Automate operational workflows to reduce manual data handling and improve data accuracy.
  • Design self-service tools for finance, operations, and client teams to manage processes independently.

Virta Health aims to reverse metabolic disease in one billion people using technology, personalized nutrition, and virtual care. It is a well-funded startup with over $350 million raised from top-tier investors, partnering with health plans, employers, and government organizations.

UK

  • Resolve customer-reported issues quickly and thoroughly, from investigation through to a durable fix.
  • Diagnose complex, ambiguous problems across services and data pipelines, tracing them to root cause.
  • Deliver high-quality engineering work that improves the platform and directly addresses customer needs.

VulnCheck delivers structured exploit intelligence on what is actively weaponized in the wild, purpose-built for data lakes, ETL pipelines, automation, and AI workflows. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a team of cybersecurity experts.

US Unlimited PTO

  • Design, build, and test APIs and services that power RoadieXD, Roadie's cross-dock solution.
  • Develop internal and customer-facing tools in React to enable cross-dock operations to scale efficiently.
  • Partner with Engineering, Product, and Operations to solve complex logistics challenges and influence technical direction.

Roadie is a logistics and delivery platform that helps businesses manage complex retail delivery needs. A UPS company with over 310,000 independent drivers nationwide, it focuses on scalability and flexibility in a fast-paced environment.

$209,700–$273,775/yr
US

  • Regularly unblock challenges in the software development cycle from design to launch.
  • Solve complex architecture challenges and set architectural standards on new projects.
  • Mentor junior engineers and lead code reviews across teams.

Atlassian provides team collaboration and productivity software, helping teams organize, discuss, and complete their work. With over 10,000 employees globally, the company fosters a culture of innovation, autonomy, and open communication.