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Senior Software Engineer - Backend

HybridNorth AmericaInternshipSenior

Senior backend engineer on Hinge Health's Financial Systems team, designing and operating revenue-critical billing and financial infrastructure (billing flows, payer integrations, financial data movement) using Golang, gRPC, AWS, Postgres, Redis, and Temporal. Hybrid role based in the San Francisco office with three in-office days per week.

AI API Automation AWS Ccpa +17 skills

158K – 238K $

Senior Backend Engineer (Elixir)

RemoteNorth AmericaFull-timeSenior

Nabu Casa is hiring a full-time Elixir backend engineer to build and operate Home Assistant Cloud services — including authentication, subscriptions, and payments — on its Cloud & Infrastructure team. It's a fully remote role (Americas/Europe) centered on Elixir and TypeScript, with hands-on production operations responsibilities.

Authentication Automation CAD Cloud Elixir +8 skills

105K – 129K CAD

ALLEGIS GROUP SINGAPORE PRIVATE LIMITED

Senior C#/.NET Backend Engineer - Cloud-Native (AWS/EKS)

Builds and maintains cloud-native backend trade platforms in C#/.NET on AWS (EKS) for a team supporting financial operations across multiple products, delivering features and BAU support with minimal supervision while partnering with business stakeholders and using modern tooling, including AI-assisted development.

AI Cloud Cloud Native C# .NET

BINARY TECHNOLOGY DEVELOPMENT PTE. LTD.

Senior Java Backend Engineer – Distributed Systems & Infra

Designs, upgrades, and maintains backend infrastructure for large-scale distributed systems in Singapore — tuning performance and troubleshooting incidents while shipping clean, maintainable code. Core stack is Java and Spring with MySQL and NoSQL databases; the role targets engineers with 10+ years of development experience.

Java MySQL NoSQL Spring

Desarrollador Backend Senior Java (Remoto)

RemoteEuropeSenior

Senior Java backend developer (remote, Madrid-based posting) who designs and maintains Java microservices. Day to day involves Spring Boot services on Kubernetes/GCP, reactive programming with Project Reactor, Kafka messaging, and NoSQL stores, using DDD and hexagonal architecture. Requires 6–8 years of Java microservices experience.

GCP Java Kafka Kubernetes Maven +3 skills

Software Engineer II and/or Senior Software Engineer - Backend

Open 49d On-siteNorth AmericaSenior

Build and scale Azure Monitor’s globally distributed backend systems for telemetry collection, storage, and AI-assisted observability at hyperscale.

Agentic AI AI Analytics Anomaly Detection API +22 skills

102K – 202K $

Senior Python Backend Engineer — AI-Driven, End-to-End Ownership

Lead backend engineer at EdgeTier owning delivery end-to-end — designing and architecting core product changes, writing high-quality Python, and mentoring junior engineers, while helping shape how the team builds with AI coding tools.

Mindbox Sp. z o.o.

Senior Software Development Engineer in Test (Backend)

HybridEuropeContractSenior

Mindbox is hiring a Senior SDET (Backend) to build scalable automated testing systems for a digital banking project. Day to day involves Java-based test automation integrated into CI/CD, performance and security testing, BDD, and testing distributed microservices, with a hybrid setup in Warsaw.

Agile Automation AWS BDD CI/CD +5 skills

Grupo Tecdata Engineering

Senior Backend Java

Senior backend developer building Java microservices with Spring Boot and advanced Kafka (4+ years) on-site in Galicia, Spain. Also works with JPA, testing (TDD/BDD), software design and databases, with mandatory participation in a rotating 24/7 on-call duty roughly one week every 3-4 months.

BDD Java JPA Kafka SaaS +2 skills

Senior Java Back-End Developer

RemoteEuropeFull-timeSenior

Outstaffed senior Java developer building scalable backend microservices for an AI-powered QA/testing platform while working directly with an international client's team. Core stack: Java, Spring Boot, Kafka, MongoDB, SQL, AWS, Kubernetes, Docker, with Angular awareness.

Agile AI Angular API Automation +19 skills

Senior Back-end Software Engineer

Hybrid back-end Java engineer role in Belfast with a global technology organisation, designing, building and maintaining large-scale Java services and APIs for mission-critical enterprise platforms, including CI/CD automation and cloud-based production support. Salary up to £60k plus bonus and benefits.

Agile API Argo CD Automation AWS +15 skills

Ontrac Solutions

Sr. Software Engineer – Backend Engineering (Core) / Integrations

RemoteNorth AmericaContractSenior

Senior backend engineer on a contractor program building a state government professional licensing and regulatory compliance platform on Google Cloud. Day-to-day work: Java 21/Spring Boot event-driven microservices on Cloud Run, PostgreSQL/AlloyDB persistence, Pub/Sub event flows, and external integrations over REST, SOAP, and SFTP.

API Api Security BigQuery BPMN CI/CD +17 skills

Backend-разработчик Bitrix (Middle+/Senior)

On-siteCISSenior

Bquadro is hiring a Middle+/Senior backend developer to build server-side functionality on the Bitrix platform from its Saint Petersburg office (remote not offered). The posting lists only a net monthly salary from 120,000 RUB and provides no detailed duties or requirements.

from 120K RUB / mo

Senior Node.js Backend Engineer - AWS & Scalable APIs

RemoteMENASenior

United Arab Emirates

Deel is hiring a Senior Backend Engineer to build scalable services and robust, secure APIs for its global payroll and HR platform, working in a remote-first, globally collaborative team. Core stack: Node.js, TypeScript, PostgreSQL, and AWS.

API Node.js PostgreSQL TypeScript

Rullion Limited

Senior Backend Developer

UKContractSenior

Six-month (extendable) contract Senior Backend Developer role with a UK sustainable energy provider, hired via recruiter Rullion. Day to day you build serverless, cloud-native backends with Python and AWS in an agile team using pair programming, code reviews and TDD. Hybrid, 37 hrs/week with one day in London.

Agile API AWS Cloud Git +5 skills

Senior Software Engineer, Backend (Partner Merchant Interface)

RemoteNorth AmericaInternshipSenior

Senior backend engineer on Affirm's Partner Merchant Interfaces - Integration team, building and maintaining the APIs that partners and merchants (including Amazon and Stripe) use to integrate with Affirm's BNPL platform. Day-to-day involves designing, shipping, and operating distributed backend services using Python or Kotlin on AWS, MySQL, and Kubernetes — remote within Canada.

API AWS Distributed Systems Kotlin Kubernetes +2 skills

153K – 213K CAD

Senior Software Engineer, Backend (Partner Merchant Interface)

RemoteNorth AmericaInternshipSenior

Senior backend engineer on Affirm's Partner Merchant Interfaces - Integration team, building and running the APIs that merchants and partners (like Amazon and Stripe) use to integrate with Affirm. Day-to-day work involves designing, developing, and launching distributed backend services at scale using Python or Kotlin, with AWS, MySQL, and Kubernetes.

API AWS Distributed Systems Kotlin Kubernetes +2 skills

173K – 255K $

Senior Software Developer Back-end (Java)

HybridEuropeSenior

We are looking for a Senior Software Developer Back-end (Java) to deliver scalable and high performing solutions (microservices) to support the AUTODOC business needs. You will drive our migration from a legacy…

API Automation Cloud Docker GCP +13 skills

Senior Back End Developer

Open 35d RemoteNorth AmericaFull-timeSenior

Builds backend services and retrieval pipelines for CoLab’s AI-powered engineering knowledge platform, focusing on search, data architecture, and scalable systems to power intelligent design insights.

Agentic AI AI API Cloud Cloud Native +11 skills

j-labs software specialist

Senior Backend Developer (Java / Kotlin)

RemoteEuropeSenior

O projekcie Dołączysz do zespołu rozwijającego kluczowy system wspierający logistykę lądową w Europie. To rozwiązanie, które każdego dnia obsługuje przepływ przesyłek, integruje dziesiątki systemów i przetwarza ogromne…

AWS Docker Grafana Java Jest +10 skills