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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.

Python Scala Microservices Databases API Design

20 jobs similar to Senior Software Engineer — XCore

Jobs ranked by similarity.

Ireland

  • Design, develop, and maintain Python-based APIs and microservices for a global workforce management platform.
  • Collaborate with product managers, designers, and engineers across remote cross-functional squads.
  • Contribute to architecture, documentation, and continuous improvement of secure, scalable backend systems.

Our partner is a platform enabling companies to hire and manage talent across borders with ease. It is a fast-growing, remote-first engineering organization with collaborative squads across time zones.

Europe

  • Design, build, and operate backend services for the workflow orchestration engine and automated decisioning pipeline.
  • Deliver key orchestration features such as multi-method flow execution, branching logic, and webhook integrations.
  • Improve production-critical system resilience through backpressure handling, idempotency, and end-to-end monitoring.

Veriff is an AI-powered identity verification platform that uses advanced image recognition, facial verification, and behavior analysis to verify users online. The company has a diverse global team backed by investors including Accel and Y Combinator, with employees across the US, UK, Spain, and Estonia.

India

  • Design, implement, and maintain microservices using Python, Go, and Java.
  • Build and scale cloud-based software products, online services, and data pipelines for millions of transactions.
  • Collaborate on security, reliability, and automation while supporting testing and troubleshooting.

Ocrolus helps lenders automate workflows with an AI platform that processes nearly one million credit applications monthly with over 99% accuracy. Trusted by 400+ customers including Better Mortgage and SoFi, it is a fast-growing, remote-first team of builders and problem solvers.

Europe

  • Design, build, and maintain backend services, REST APIs, databases, and big data pipelines that power customer-facing insights and analytics.
  • Implement and maintain near-real-time stream-based data processing pipelines in collaboration with batch-oriented data refresh workflows.
  • Scale data processing and insights generation pipelines to handle growing volumes of activity data while managing infrastructure costs.

Backstory helps companies understand the state of their revenue business by answering questions that span customer interactions, sales activity, pipeline health, and deal execution. Headquartered in San Francisco, CA, Backstory is backed by Y Combinator and top investors, and is listed in the top 20 percent of Inc 5000 companies.

US Unlimited PTO

  • Architect and implement scalable, performant, and secure software solutions for backend distributed platforms.
  • Provide technical leadership, write clean code, and conduct code reviews to ensure best practices.
  • Collaborate cross-functionally with product managers, designers, and engineers to translate business requirements into technical specifications.

Dave is a financial app that builds products to level the financial playing field for Americans who are financially vulnerable or living paycheck to paycheck. As a public fintech company, it offers a digital financial platform with products like ExtraCash and is focused on creating accessible credit options.

Poland

  • Design, build, and maintain scalable systems for synthetic identities, test data seeding, and load testing.
  • Evolve testing strategy toward scalable component, integration, and contract testing.
  • Build platform capabilities for safer, repeatable load testing and improve test signal quality.

Affirm is reinventing credit to make it more honest and friendly, offering buy now, pay later without hidden fees. As a growing fintech company, it fosters a remote-first culture with a focus on developer productivity and reliable systems.

Global

  • Design, develop, and maintain RESTful APIs and microservices using Python and cloud technologies on AWS.
  • Integrate third-party solutions like Pindrop and support contact center transformation initiatives including Amazon Connect.
  • Implement CI/CD pipelines, set up monitoring and observability, and contribute to infrastructure automation using CloudFormation and Terraform.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for large enterprises and startups. The company retains nearly 1,000 full-time professionals, operates in 25 countries, and has a culture of Relentless Performance with a 99% project success rate since 1989.

Canada Unlimited PTO 12w maternity 12w paternity

  • Design and implement scalable, high-performance data pipelines to ingest and transform data from a variety of sources.
  • Build and maintain APIs that enable flexible, secure, and tenant-aware data integrations with external systems.
  • Implement observability, monitoring, and alerting to track data freshness, failures, and performance issues.

Northbeam is building the world's most advanced marketing intelligence platform for top eCommerce brands, providing powerful attribution modeling and customizable dashboards. The company is experiencing rapid growth with a strong product-market fit and a remote-friendly culture.

Global

  • Collaborate with cross-functional teams to design and implement backend services and APIs.
  • Develop and optimize microservices for high-performance distributed systems.
  • Implement RESTful APIs and server-side logic using Python and FastAPI.

Nagarro helps to transform, adapt, and build new ways into the future through a forward-thinking, agile, and caring mindset. We are 18,000+ experts across 38 countries, forming a Nation of Nagarrians, ready to help our customers succeed.

US

  • Design and implement complex software systems and integrations with minimal oversight.
  • Mentor junior and mid-level engineers through code reviews, design discussions, and pairing sessions.
  • Participate in on-call rotations and drive improvements in monitoring, alerting, and system reliability.

EasyPost is a YC unicorn founded in 2012 that makes shipping simple for businesses from startups to Fortune 500 with a developer-friendly REST API. The company is rapidly growing with a scrappy, fast-moving culture and a team of builders and problem-solvers.

Global

  • Design and optimize scalable APIs and distributed services for mission-critical fraud detection technology.
  • Investigate complex technical issues through root cause analysis and performance testing.
  • Collaborate cross-functionally to deliver robust, production-ready solutions while mentoring junior engineers.

The hiring partner company builds high-performance backend systems for real-time fraud detection technology used by organizations worldwide. The engineering team is globally distributed and values technical excellence, autonomy, and knowledge sharing.

US Unlimited PTO 8w maternity 7w paternity

  • Build, deploy, and monitor ChowNow's backend applications using Python and cloud infrastructure.
  • Collaborate with cross-functional teams to design and deliver high-quality features with emphasis on observability, security, and scalability.
  • Drive continuous improvement in development processes, CI/CD, and system architecture to support a growing platform.

ChowNow is a restaurant technology platform that helps independent restaurants manage their digital dining experience, including online ordering, branded websites, and marketing. The company supports over 20,000 restaurants across North America and has been recognized as a 'Best Place to Work' with a strong focus on employee experience.

US 12w maternity 12w paternity

  • Design and develop scalable backend services and APIs for the Customer Data Platform and AI ecosystem.
  • Build secure, high-performance service layers on top of PostgreSQL, Snowflake, and other enterprise data platforms.
  • Partner with Data Engineering and ML Ops teams to support model serving, data products, and operational data systems.

National Debt Relief is a leading debt settlement organization that helps consumers overcome overwhelming debt. They have helped over 450,000 people settle over $10 billion of debt and foster a team-oriented environment with growth opportunities and employee mentorship programs.

US Unlimited PTO

  • Craft streamlined user flows and build robust APIs for bank administrators and customers.
  • Write clean, thoroughly documented, and well-tested code with emphasis on error handling and edge cases.
  • Provide technical guidance and code reviews, raising the bar for teammates.

Alkami provides a digital sales and service platform for U.S. banks and credit unions. Founded in 2009, it is a fast-growing SaaS company with a culture recognized as Best Place to Work in Fintech and Best Company Culture.

Germany France Switzerland 6w PTO

  • Collaborate with cross-functional teams to design and implement backend services and APIs using modern technologies.
  • Develop and optimize microservices for high-performance distributed systems and streamline real-time data processing.
  • Implement RESTful APIs and server-side logic using Python and FastAPI, and deploy containerized applications in cloud environments.

Nagarro is a digital product engineering company that builds products, services, and experiences that inspire, excite, and delight. With 18,000+ experts across 39 countries, we have a dynamic and non-hierarchical work culture.

India

  • Collaborate with global teams and client stakeholders to design scalable solutions aligned with business objectives.
  • Build and deliver high-quality backend services using agile practices like TDD and CI/CD.
  • Take ownership of infrastructure automation, deployment pipelines, and production support for mission-critical systems.

Our partner builds complex, large-scale systems for enterprise and public sector clients. They emphasize agile practices, continuous delivery, and a collaborative engineering culture.

Romania Poland

  • Design, develop, and maintain backend services for the Aggregation Platform, enabling seamless integrations between game providers and operators.
  • Build and enhance API-first solutions that support scalable, high-performance, and business-critical systems.
  • Develop secure, maintainable, and high-quality code while following engineering best practices.

Software Mind develops solutions that make an impact for companies around the globe. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

US

  • Break down larger projects into individual tasks and deliver them in multiple phases with collaboration.
  • Support the product development lifecycle by partnering with product management, design, and analytics on risks and trade-offs.
  • Support operations and availability by creating and monitoring metrics and participating in on-call efforts.

Affirm is reinventing credit to make it more honest and friendly, offering buy now, pay later solutions. The company has a remote-first culture and employs thousands, focusing on transparency and inclusivity.

Poland

  • Design and implement high-performance microservices in Java/Spring Boot and maintain event-driven integrations using Apache Kafka.
  • Take full ownership of features end-to-end, work directly with business stakeholders, and write clear technical documentation.
  • Mentor team members, hold the bar on code quality through reviews and CI/CD, and proactively address technical debt.

InPost Group is an innovative European out of home deliveries company, revolutionizing parcel delivery through intelligent lockers. With over 10,000 employees worldwide and a market capitalization of about $5 billion, it is one of the largest out of home delivery providers in Europe, committed to sustainable and efficient solutions.

United States

  • Lead architectural design and technical strategy for backend systems and microservices.
  • Design robust versioned REST APIs powering cross-platform web and mobile applications.
  • Evolve database models and cloud infrastructure on GCP using Terraform, Docker, and Kubernetes.

Vida is a virtual, personalized obesity care provider that uses evidence-based treatment to help patients manage obesity and related conditions. Trusted by Fortune 100 companies and major payers, Vida fosters a diverse and inclusive culture focused on innovation and employee growth.