Source Job

$70,200–$81,000/yr
Europe

  • Architect, build, and own full-stack software platforms supporting enterprise infrastructure and operations teams.
  • Lead technical design of systems that ingest, process, analyze, and expose infrastructure and operational data at scale.
  • Develop backend services, APIs, and web interfaces with advanced search and usability tailored for technical users.

C# Python Go SQL Kubernetes

20 jobs similar to New Senior Staff Software Engineer

Jobs ranked by similarity.

US

  • Design and build scalable backend services and APIs for LaunchDarkly's Experimentation product.
  • Own backend components from discovery through monitoring and continuous improvement.
  • Collaborate with cross-functional teams to translate customer needs into reliable technical solutions.

LaunchDarkly is a feature management platform that helps developers release software faster and safer. The company fosters a collaborative, respectful, and inclusive culture with a focus on team empowerment.

EMEA

  • Design highly scalable, mission-critical market data provider services.
  • Maintain good software quality and test coverage, and participate in code reviews.
  • Troubleshoot incidents and reported bugs.

Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. The company is backed by $400 million in funding and has a diverse team of 400+ members across multiple countries.

$200,000–$350,000/yr
US

  • Design, build, and operate production software systems.
  • Own significant technical projects from architecture through deployment.
  • Develop scalable services, APIs, infrastructure, and internal tooling.

The company builds sophisticated infrastructure and software systems. It is a rapidly scaling technology company that values ownership and technical excellence.

Global Unlimited PTO

  • Architect and implement backend services in Go, designing APIs and distributed systems that scale reliably.
  • Ensure performance, resilience, and fault tolerance in production environments.
  • Collaborate with product, frontend, and infrastructure teams to deliver features from concept to launch.

Aries.com is the first open-source brokerage for active traders, and Finance.dev provides developer infrastructure for trading products. They are a dynamic team that values urgency, initiative, and engineering excellence, operating with a hybrid company model hiring everywhere.

Poland

  • Own and deliver quarterly goals for your team, guiding engineers through ambiguity to solve open-ended problems.
  • Collaborate with product management, design, and analytics to articulate technical constraints and make risk-aware decisions.
  • Foster a culture of quality and ownership by setting code review and design standards, and developing talent through feedback and guidance.

Affirm is a financial technology company that provides buy now, pay later solutions, aiming to make credit more honest and friendly. It is a publicly traded company with a remote-first culture and a global team, emphasizing employee well-being and growth.

United States Canada UK Ireland Poland

  • Design and develop backend features end-to-end, from technical design through production rollout.
  • Architect and implement backend changes supporting long-term scalability, reliability, and maintainability.
  • Investigate production workloads to identify and resolve scalability bottlenecks, including database access and concurrency issues.

Jobgether is a platform that uses AI-powered matching to connect candidates with job opportunities. They process applications and share top-fitting candidates with hiring companies, with a focus on efficiency and data privacy.

US

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Support peers and stakeholders in the product development lifecycle by collaborating with product management, design, and analytics.
  • Foster a culture of quality and ownership by setting code review and design standards, and developing talent on your team.

Affirm is a financial services company that provides buy now, pay later financing without hidden fees or compounding interest. They have millions of customers and thousands of merchant partners, and foster a culture of honesty, trust, and innovation.

Global

  • Own technical design and execution for major products, systems, and engineering initiatives.
  • Build scalable, reliable systems across backend, frontend, APIs, databases, and infrastructure.
  • Drive architecture decisions and turn ambiguous product problems into clear technical solutions.

KIRA built the first mobile-first insurance platform in 2019 and is now the leading insurance platform in Southeast Asia. They have teams across the world with over 20 nationalities, fostering a culture of innovation and passion.

$175,000–$250,000/yr
US Canada

  • Design and build scalable, secure backend services using C# or TypeScript with cloud infrastructure on AWS, Docker, and Kubernetes.
  • Collaborate with product managers and cross-functional teams to define requirements and deliver platform solutions, mentoring junior engineers.
  • Stay current with emerging technologies and contribute to long-term platform vision, ensuring reliability, security, and performance.

Later is an AI-powered influencer marketing platform that helps brands choose creators and manage campaigns. With over a decade of proprietary data and trusted by major brands like Nike and Wayfair, the company fosters a culture of innovation and collaboration.

Global Unlimited PTO 18w maternity 12w paternity

  • Own features end-to-end, from design through implementation and iteration.
  • Design and build backend systems in Go with REST/gRPC APIs for entitlements and policies.
  • Provide technical leadership and mentorship to senior and mid-level engineers.

Chainguard provides hardened, secure, and production-ready builds of open source software. It is venture-backed by leading investors and serves Fortune 500 enterprises like Anduril, Canva, and OpenAI.

Global 26w maternity 4w paternity

  • Define long-term technical strategy aligned with global business goals.
  • Govern distributed architectures for scalability and high availability in cloud environments.
  • Provide technical leadership, mentorship, and influence across multiple teams and stakeholders.

Blip is a global technology company and leader in conversational commerce in Latin America, offering SaaS solutions that connect businesses with customers via digital channels like WhatsApp and Instagram. They have over 1,000 employees with offices in Brazil, Mexico, and Spain, and a culture guided by evidence-based decisions, experimentation, and strong autonomy in agile teams.

Portugal

  • Own and evolve the core platform, including data model, APIs, and services.
  • Design and build backend systems for portfolio intelligence, including data aggregation and analysis at scale.
  • Build and maintain integrations with customer tools and make architectural decisions for growth.

Dragonboat provides an AI platform for Strategic Product and Portfolio Management, trusted by enterprises globally. It is a venture-backed, fast-growing SaaS startup with remote teams in Portugal and the US.

$200,000–$350,000/yr
US

  • Work directly with customers to understand technical requirements and build production solutions.
  • Develop integrations, APIs, and internal tooling to accelerate platform adoption.
  • Own projects from technical discovery through deployment and iteration.

A fast-growing technology company building advanced AI-powered infrastructure and products for enterprise customers. The company operates in a fast-paced, ambiguous environment and values high ownership and customer focus.

Spain

  • Take end-to-end ownership of backend features from refining requirements to delivering robust production-ready solutions.
  • Evolve the system core, APIs, and data layer to optimize performance, scalability, and reliability under demanding workloads.
  • Balance fast product increments with sustainable technical architecture.

Genestack is tackling the underlying computational and scientific challenges of bioinformatics to provide researchers with software tools that streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research. Their platform is deployed at leading pharmaceutical, agricultural, and consumer goods companies, as well as leading academic institutions, and they are continuing to grow.

US

  • Lead the evolution of backend architecture, focusing on refactoring and optimizing data pipelines.
  • Drive development of next-generation distributed data storage and processing systems.
  • Design clean, expressive interfaces for data consumers including web applications, analytics, and AI.

Spain

  • Lead delivery of quarterly goals for the Recoveries team, guiding engineers through ambiguity and ensuring support.
  • Collaborate with product management, design, and analytics to define technical constraints and make risk-aware decisions.
  • Foster a culture of quality and ownership by setting code review standards and mentoring team members.

Affirm is reinventing credit to make it more honest and friendly, offering buy now pay later services without hidden fees. They are a remote-first company with a culture of quality and ownership, providing competitive benefits and supporting employee growth.

US

  • Take end-to-end ownership of features from requirement through design, implementation, testing, deployment, and post-release stability.
  • Deliver across the full stack including Angular frontend, .NET/C#/Python backend, and PostgreSQL/SQL Server data.
  • Mentor less experienced engineers and participate meaningfully in code review to raise the bar.

RegScale is a continuous controls monitoring (CCM) platform that helps organizations automate and scale their security, risk, and compliance programs. We are at an inflection point, transitioning from startup execution to a disciplined, enterprise-ready engineering organization, building the team to get us there.

$152,800–$259,200/yr
Americas Unlimited PTO

  • Lead cross-cutting initiatives and drive modular backend architecture to improve scalability and developer velocity.
  • Set standards for APIs, testing, security, and operability while mentoring engineers and shaping technical direction.
  • Own production systems, participate in on-call, and lead AI-assisted engineering workflows with quality and safety guardrails.

GitLab is the intelligent orchestration platform for DevSecOps, helping organizations increase developer productivity and improve operational efficiency. With over 50 million users and trust from more than 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values, continuous knowledge exchange, and AI integration.

Poland

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Collaborate with product management, design, and analytics to articulate technical constraints and partner on decisions.
  • Foster a culture of quality and ownership by setting or improving code review and design standards.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. They are a remote-first company with a culture of inclusion, offering comprehensive benefits and growth opportunities.

Global

  • Design, build, and ship reliable software for AI-powered scientific workflows.
  • Build scalable backend services, APIs, data pipelines, and integrations with laboratory instruments and enterprise systems.
  • Own projects end to end from technical design through implementation, deployment, monitoring, and iteration with customers.

Expert Intelligence is building the AI decision layer for analytical laboratories. We are a growing startup with a team of engineers and scientists, working on hard problems at the intersection of AI and science.