Source Job

Spain 5w PTO

  • Own architecture-level decisions for complex, integration-heavy systems.
  • Build scalable, automated products that turn manual commercial processes into efficient workflows.
  • Contribute to frontend development with React and TypeScript when needed.

Python AWS Serverless Event-Driven Architecture Distributed Systems

10 jobs similar to Staff Full Stack Engineer - Sell Side Engine

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Global 5w PTO

  • Own architecture-level decisions on integration-heavy systems connecting Origination & New Products to Rosso, Data, and Billing.
  • Ship the first new product category live and generating qualified pipeline within 6 months.
  • Solve the tendering automation problem that limits quote volume, and contribute to productising the manual pricing process.

Tem is rebuilding the global energy transaction infrastructure, making electricity buying, selling, and pricing transparent and fair. They have raised a $75 million Series B and are scaling internationally with a remote, flexible culture.

Europe 5w PTO

  • Build and operate Python/Django services for repairs, payments, messaging, notifications, and fraud prevention.
  • Work in cross-functional product teams using AI-assisted, spec-driven development from design through delivery.
  • Ensure reliability and data integrity through automated testing, observability, security, and incident response.

Plentific is a property technology platform for housing providers, local authorities, and contractors in the UK and Germany. We are a growing London-headquartered team working across Europe to expand the platform and integrate AI.

Germany 5w PTO

  • Own the backend and data-heavy systems behind the Pricing API for a modern energy transaction platform.
  • Lead architectural decoupling, set engineering standards, and influence technical direction across teams.
  • Ensure pricing reliability through monitoring, alerting, and explainability for live incidents.

They build a modern energy transaction platform focused on pricing infrastructure for real energy contracts. The team is remote-first, collaborative, and embraces AI-assisted engineering workflows to increase productivity.

Spain

  • Develop and maintain fullstack features using React (frontend) and Python (backend)
  • Work within a microfrontend architecture and contribute to its evolution
  • Build and integrate microservices ensuring scalability and performance

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Latin America

  • Design and build new features for the Django backend that powers the consumer dashboard and B2B platform.
  • Improve performance and reliability of Celery and RabbitMQ pipelines and integrate third-party services like Stripe and WorkOS SSO.
  • Own features end-to-end, including production debugging and code review with a small backend team.

Optery helps people get their personal data off broker sites. It's a fully remote, small startup headquartered in the San Francisco Bay Area, where engineers work directly with the founders.

Europe 5w PTO

  • Build and own the Pricing API behind RED, ensuring fast, correct, and explainable pricing for real energy contracts.
  • Lead extracting pricing logic into a clean service boundary and design detection, alerting, and incident escalation that protect customers.
  • Raise engineering standards through design reviews, pairing, and multi-agent workflows across the Pricing squad.

Tem builds AI-native infrastructure to make electricity buying, selling, and pricing transparent and fair. Backed by a $75M Series B, we are a remote-first team serving thousands of business customers and scaling globally.

Europe

  • Guide architectural decisions across products, reviewing solutions from internal teams and vendors.
  • Establish shared engineering standards and modernise legacy systems for reliability and cost-effectiveness.
  • Define guardrails for production LLM systems and collaborate with teams on Kubernetes and cloud infrastructure.

INFUSE is a technology company that develops software products, including AI and LLM-based solutions, across a large engineering landscape. Its software department spans 500+ repositories and fosters a remote-first culture with access to cutting-edge AI tools and human-centric values.

US

  • Own critical platform domains and shape architectural direction for a small team of staff engineers.
  • Design scalable, secure, and cost-efficient AWS-native distributed systems with deep backend and cloud expertise.
  • Lead cross-functional technical initiatives, align stakeholders, and mentor senior engineers to raise engineering standards.

Agiloft is a leading provider of data-first contract lifecycle management (CLM) software that helps organizations manage the end-to-end contract process. It is a growing, vibrant company with a strong focus on employee experience, diversity, and inclusion, supporting multiple Employee Resource Groups and offering flexible benefits.

Brazil

  • Design and implement resilient, scalable, and cost-efficient enterprise applications using AWS serverless and containerized services.
  • Develop solutions with AWS Lambda, Step Functions, ECS/EKS Fargate, and incorporate Generative AI via Bedrock, RAG, and guardrails.
  • Create contract-first APIs, event-driven architectures, and apply security best practices with IAM, RBAC, and observability tools.

Our partner is a major financial-services environment undergoing strategic cloud transformation initiatives. They are modernizing enterprise applications using AWS services and AI-enabled engineering practices in a collaborative, inclusive workplace.

Global

  • Own features end-to-end: prototype, architect, build, test, deploy, and support production services.
  • Build and scale backend services and APIs in Python powering Monte Carlo's agent trust platform.
  • Design distributed systems and data pipelines while shipping React frontends where needed.

Monte Carlo is the agent trust platform that unifies data and agent observability to monitor, troubleshoot, and improve production AI systems. Founded in 2019 and backed by leading investors, the company is remote-first and recognized as a best workplace.