Greenhouse ·
contractIngeniero Senior de Software (núcleo de comunicaciones)
Affirm · Remote Poland
Affirm opera en el sector de tecnología financiera, ofreciendo soluciones de pago transparentes que permiten a los consumidores pagar sus compras a plazos. Como Ingeniero Senior de Software dentro del equipo de Núcleo de Comunicaciones, serás responsable de construir y mantener la infraestructura que gestiona mensajería de clientes de alto volumen en entornos multi‑región y multi‑inquilino. Tus responsabilidades diarias incluirán diseñar servicios backend resilientes, gestionar integraciones con proveedores y garantizar la fiabilidad y escalabilidad de las plataformas de comunicación. Trabajarás estrechamente con los equipos de producto, seguridad e ingeniería para definir objetivos técnicos, mejorar la observabilidad del sistema y gestionar respuestas a incidentes mediante una rotación de guardia. Este puesto es ideal para un ingeniero backend con experiencia en sistemas distribuidos, infraestructura en la nube y desarrollo de API. Se requiere un candidato capaz de manejar complejas decisiones técnicas, mentorizar a los miembros del equipo y promover altos estándares de calidad de código y excelencia operativa. Es indispensable el dominio de lenguajes como Python o Kotlin y experiencia con AWS, Kubernetes y gestión de bases de datos para tener éxito en este rol remoto bajo contrato.
Education
- Level: Bachelor's degree
Key Skills
Notes
['On-Call Rotation']
Experience required
5-5 years experienceAbout the Role Senior Backend Engineer for the Communications team, responsible for shaping multi‑region, multi‑tenant infrastructure, APIs, and vendor integrations that enable high‑volume customer messaging. Responsibilities Own and deliver quarterly technical goals for the Communications area. Design and evolve reliable backend services for messaging infrastructure, including orchestration, delivery, preferences, templates, and observability. Collaborate with product, design, analytics, security, and engineering partners throughout the product lifecycle. Implement and operate resilient integrations with external messaging vendors. Identify and solve scalability, developer experience, and operational resilience issues. Support service availability through SLOs, alerting, incident response, and on‑call rotation. Mentor team members, provide feedback, and lead technical direction. Requirements 5+ years of software development or engineering experience. Proficiency in modern programming languages such as Python or Kotlin. Experience building highly available distributed systems using AWS, MySQL, DynamoDB, and Kubernetes. Experience designing multi‑region, multi‑tenant platforms with strong isolation and scalability. Experience integrating with third‑party communications or messaging vendors. Ability to define technical plans and deliver significant features with extensible design. Strong verbal and written communication skills. Eligibility
Skills for this role
Required skills
Also mentioned in the listing
| Role | Senior Software Engineer (comms Core) |
|---|---|
| Company | Affirm |
| Location | Remote Poland |
| Type | contract |
| Compensation | Not disclosed |
| Posted | 2026-10-19 |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
Before you apply
0/4Ingeniero Senior de Software (núcleo de comunicaciones) at Affirm: frequently asked questions
- Who can apply for the Ingeniero Senior de Software (núcleo de comunicaciones) role at Affirm?
- The listing asks for Bachelor's degree; 5-5 years of experience.
- What skills does the Ingeniero Senior de Software (núcleo de comunicaciones) role require?
- The listing highlights Python, Kotlin, AWS, MySQL, DynamoDB, Kubernetes. Show each of these in a project or past role on your resume.
- What is the salary for this role?
- Affirm has not stated compensation in the listing. Check the original posting or ask during the application process.
- Is the Ingeniero Senior de Software (núcleo de comunicaciones) position remote, hybrid or onsite?
- The listing marks this role as remote, with Remote Poland as the location.
- What is the application deadline?
- Affirm has not listed a fixed deadline, so apply early in case the opening is filled.
- How do I apply for the Ingeniero Senior de Software (núcleo de comunicaciones) role?
- Use the Apply button on this page. It opens the original listing on job-boards.greenhouse.io, where you submit your application with the company.
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