senior backend developer

Lifted (an Upwork Company) is seeking a Senior Backend Engineer to design, build, and maintain backend platforms and services operating at scale. You will collaborate with engineering, data science, product, design, and business partners to deliver reliable, high-quality software using AI-assisted coding tools. Enterprise experience is strongly preferred....

EXIT83 Consulting, Inc. is seeking a Senior Go Backend Engineer to build the backend for a new real-time transportation product. You will design and implement core services, ingest data via webhooks, store in PostgreSQL on AWS, and expose robust APIs that drive a live vehicle-tracking map. You will work closely with product and engineering, make pragmatic...

StoneX Group Inc. is hiring a senior software engineer to design, build, and operate scalable backend services for LATAM markets. You will own features end-to-end, build integrations with exchanges and data providers, and drive data pipelines for regulatory reporting. The role requires cloud experience (AWS/Azure), Docker/Kubernetes, and strong API design...

DexCare is seeking a Senior Back End Engineer, Tech Lead to expand the DexCare platform. You will drive architecture, define API standards, and mentor engineers across the team, interfacing daily with product managers and architects. You will build and scale core services, work with AWS, Kubernetes, and Docker, and contribute to AI-driven backend...

CI&T is seeking a Senior .NET Engineer to join our team and build complex backend software solutions. You will collaborate with a multicultural team across Brazil, Colombia, the UK, and the USA, delivering robust services with .NET and SQL Server.All communication is in English as we drive AI-enabled software and modern CI/CD workflows. The role emphasizes...

Minka builds real-time payment infrastructure with a cloud-hosted ledger. The Senior Software Engineer role splits between the ledger and integrations teams, using TypeScript on Node.js with PostgreSQL and Kubernetes.The position involves taking work from the backlog, designing it with the team, building with tests, deploying to production, and monitoring...

A software solutions company based in Colombia is seeking a Senior .NET Developer to design and develop scalable, cloud-based backend systems. The ideal candidate will have strong skills in C#, .NET technologies, and Azure services, along with a passion for building impactful software. This role offers the flexibility of remote, on-site, or hybrid work,...

Mercado Libre, líder en comercio electrónico y servicios financieros en América Latina, busca un Software Engineer Backend para Applied Capabilities. Diseñarás APIs escalables y sistemas de backend que manejan alto tráfico, con enfoque en rendimiento y seguridad, aplicando principios SOLID y TDD.Trabajarás en un entorno híbrido, colaborando con Data...

Softtek busca un Ingeniero/a de software senior para liderar el desarrollo backend con C# y .NET en un entorno Azure, diseñando APIs REST seguras y de alto rendimiento. Se valoran prácticas DevOps/CI/CD, pruebas automatizadas y experiencia con Kafka para integraciones de eventos.El rol es híbrido en Bogotá, con disponibilidad para 1-2 días en oficina y...

AgileEngine is seeking a Senior Backend Engineer in Colombia to design and maintain backend systems for a high-scale consumer dating platform. The role involves working with Kotlin and AWS, mentoring junior engineers, and integrating AI-powered development tools. Candidates should have over 5 years of software engineering experience, particularly in backend...

BairesDev is seeking a Staff Backend Engineer – Python to join a 100% remote team delivering scalable backend services used by global clients. You will shape architecture, own features end to end, and mentor teams across the portfolio.The ideal candidate has 8+ years of backend experience, deep Python skills, and strong cloud and data-store knowledge...

Proxify is looking for a Senior Python AI Engineer in Colombia to design and develop backend systems and APIs for AI-powered applications. The ideal candidate should have over 5 years of experience in Python, proficiency in deep learning frameworks like PyTorch or TensorFlow, and experience with LLMs. Responsibilities include building and optimizing AI...

OKTOPAYMENTS in Colombia is seeking a Senior Software Engineer to design, develop, and maintain our next-generation payment platform. You will work on distributed systems, Java-based microservices, and high-volume transaction processing, collaborating with product, security, and other engineering teams.The ideal candidate has 7+ years in backend development,...

A technology company in Colombia is seeking a Senior Backend Engineer to design and develop scalable backend services using Java and Spring Boot. This position requires at least 4 years of experience in backend development and a strong foundation in RESTful API design. The role involves collaborating with cross-functional teams to ensure high-quality...

CI&T is hiring a Senior .NET Engineer to join a multicultural team spanning Brazil, Colombia, the UK, and the USA. You will design, build, and maintain backend services with C#, ADO.NET, and SQL Server, and craft SOAP and REST APIs. All communication is in English.You will own API design, implement CI/CD workflows, review code, and mentor juniors while...

Darwoft busca un Software Engineer Java Senior con mentalidad de owner para evolucionar microservicios críticos en un entorno Cloud Native. Se priorizará la escalabilidad, disponibilidad y alta calidad técnica, apoyándose en IA para optimizar el ciclo de delivery.El rol exige más de 5 años en backend con Java y Spring Boot, experiencia en AWS y...

Lifted (an Upwork Company) is seeking a Senior Backend Engineer to design, build, and maintain backend platforms and services operating at scale. You will collaborate with engineering, data science, product, design, and business partners to deliver reliable, high-quality software using AI-assisted coding tools. Enterprise experience is strongly preferred....

Blackfluo.ai is seeking a Senior Full-Stack Developer with a strong backend focus on Python to drive design and development of web and mobile applications. You will primarily work on backend development (70%) with Python and Django/FastAPI, PostgreSQL, Redis, and cloud infrastructure (AWS), while contributing to frontend tasks (30%) using React and React...

DexCare is seeking a Senior Back End Engineer, Tech Lead to expand the DexCare platform. You will drive architecture, define API standards, and mentor engineers across the team, interfacing daily with product managers and architects.You will build and scale core services, work with AWS, Kubernetes, and Docker, and contribute to AI-driven backend capabilities...

Pearl Talent is seeking a Senior Backend Engineer to scale our data infrastructure for healthcare policy data. You will own end‑to‑end data pipelines, build LLM workflows, and improve scraper reliability while guiding part‑time and offshore engineers. This is a fully remote role with EST overlap and collaboration with US/EU clients. You will design...