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8,618 Senior Backend jobs

Senior backend engineering roles owning server-side systems and APIs.

8.6K jobs

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8,618 jobs Posted Sort

Senior Backend Engineer, Nitro

New RemoteWorldwideSenior

Senior Backend Engineer on Offchain Labs' Nitro team, building the core distributed-systems infrastructure powering Arbitrum, the leading Ethereum scaling solution — focusing on performance optimization, security, and scalability. Requires production experience in a concurrency-capable language (Go, C++, or Rust); remote-first global role (not performable in CA or CO).

Blockchain C++ Distributed Systems Ethereum Rust +1 skills

Backend Java Developer(Senior)

New On-siteAPACSenior

Role & responsibilities Location: Mohali, Punjab Experience: 5+ Years Budget: Up to 26 LPA Notice Period: Immediate Joiners Only Work Mode: 5 Days Work From Office Shift Timing: 7:30 AM 3:30 PM (JST Time Zone) Company…

Agile API Argo CD Authentication CI/CD +20 skills

1.5M – 2.8M INR

Senior Backend Developer (m/w/d)

New EuropeSenior

Job Description Bei der KEOZ GmbH entsteht großartige Software dort, wo Menschen, Vertrauen und gemeinsames Wachstum im Mittelpunkt stehen. Als Software Solutions Partner und Tochterunternehmen der S-Markt & Mehrwert…

Żabka Polska Sp. z o.o.

Senior/Mid Node.js Backend Developer

New EuropeContractSenior

Green Hive Technology, the software house in Żabka Group, is hiring a Mid/Senior Node.js Backend Developer to design, build and maintain scalable microservices in Node.js/TypeScript, develop GraphQL APIs, integrate PostgreSQL, Redis and Kafka, and write TDD tests in an agile product team, on a B2B contract with offices in Warsaw and Poznań.

API Data Science Docker Gdpr Generative AI +11 skills

Żabka Polska Sp. z o.o.

Senior/Mid Node.js Backend Developer

New EuropeContractSenior

Mid/Senior Node.js Backend Developer at Green Hive Technology, the software house of Żabka Group, designing and maintaining scalable Node.js/TypeScript microservices with GraphQL, PostgreSQL, Redis and Kafka for the Żappka app and other digital products. B2B contract with offices available in Poznań and Warsaw.

API Data Science Docker Gdpr Generative AI +11 skills

dm Polska i dmTECH Polska

Senior Backend Software Engineer z j. niemieckim (B2B)

New HybridEuropeContractSenior

Senior backend engineer (B2B contract) building retail/e-commerce systems for dmTECH, the tech arm of the dm drugstore chain — store support, e-commerce, supply-chain automation, product/price/payment systems. Java/Kotlin, Spring, GCP, Docker; hybrid in Wrocław or remote. Requires Polish, German (B2/C1), and English.

AI API AWS CI/CD Docker +16 skills

130 – 170 PLN / hr

dm Polska i dmTECH Polska

Senior Backend Developer (Python) z j. angielskim lub niemieckim – Customer Service Management (B2B)

New HybridEuropeContractSenior

Senior Python backend contractor (B2B) on dmTECH's Customer Service Management team, building and maintaining AI-powered customer support tools for the dm drugstore chain. Daily work: FastAPI microservices, LLM/ML integration and model serving, PostgreSQL/BigQuery, Docker and GitLab CI/CD on GCP. Hybrid in Wrocław or 100% remote.

API Bash BigQuery CI/CD Cloud +21 skills

140 – 180 PLN / hr

7 IDEAS CORPORATION

Senior Backend Developer (Golang)

New On-siteAPACSenior

Vadhana, Bangkok

Build and scale backend services and Golang APIs for Thaimart.com, an e-commerce marketplace platform based near BTS Thong Lo in Bangkok — designing databases, improving performance and reliability, and working closely with Product, QA, Frontend, and Business teams in Agile development.

Agile API E-commerce Go REST

57K – 85K THB / mo

Senior Backend Engineer (Blockchain & Trading Infra)

New RemoteAPACContractSenior

Hong Kong SAR China

Hong Kong Island

Senior Backend Engineer at Star Global in Hong Kong building low-latency, high-throughput core trading and blockchain financial infrastructure — order routing, fund movement, wallet integrations, clearing, settlement, and disaster recovery. Stack centers on Go (deep Java/Rust/C++ engineers open to switching are welcome), with custody tech like MPC and HD wallets.

AI C++ Fintech Java Rust +1 skills

70K – 100K HKD / mo

Senior Java Backend Developer - Spring Boot/Hibernate

New On-siteAPACSenior

Senior Java backend developer (8-12 yrs) who designs, builds, and maintains enterprise-grade microservices and REST APIs with Java 17/21, Spring Boot, and Hibernate on Oracle DB, including performance tuning, testing, code quality tooling, and production support. Onsite in Hyderabad 5 days a week.

Agile API AWS Bash Cassandra +26 skills

Desenvolvedor Backend Kotlin - Sênior

New RemoteLATAMFull-timeSenior

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Desenvolvedor Backend Kotlin – Sênior based in Brazil. As a Senior Backend Kotlin…

AI API API Gateway Api Security Authentication +32 skills

Senior Backend Developer (Java/Spring Boot, Agentic LLMs)

New RemoteEuropeSenior

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Developer (Java/Spring Boot, Agentic LLMs) based in Germany. As a…

Agentic AI AI API Automation AWS +30 skills

飞猪-后端高级开发工程师-演赛

1、负责演出/赛事核心交易与服务链路（抢票、出票、退改签、场次编排）的架构设计与研发，保障大型活动开售瞬间的系统稳定性。 2、主导高并发场景下的技术方案：热点场次秒级十万级 QPS 的抢票系统、库存超卖防控、排队削峰、降级容灾预案。 3、负责票务防黄牛体系设计与电子票核销链路。 4、参与大型演出/赛事活动的技术保障（如大促式开售、热门赛事直播互动），制定容量规划与应急预案，担任现场技术值班负责人。…

Kafka MySQL Redis

senior backend developer

New EuropeSenior

Senior backend developer with the Dutch Police's Team Digitale Opsporing in Driebergen, building operational software on a state-of-the-art data platform that directly supports evidence-gathering in investigations of serious and organized crime. Works in an agile team using multiple languages, Linux, databases, Docker/Podman and Git, and mentors other developers.

Agile API C# Django Docker +5 skills

5K – 7K € / mo

hermeneutic research sg pte. ltd.

Senior Backend Engineer

Senior backend engineer building high-performance, cloud-native systems in Go for a trading firm's real-time data ingestion and low-latency trading pipelines. Designs distributed services, owns production reliability and observability with on-call duty, and works closely with trading, infrastructure, and data teams.

Agentic AI AI API Api Design Automation +35 skills

Agrotis agroinformática

Desenvolvedor Back End Java SR

New On-siteLATAMSenior

Analisar soluções com base em requisitos e protótipos previamente fornecidos pelo o time de UX. Modelar dados e codificação de API's em monolitos e microserviços Java que processam regras de negócio complexas de uma…

Senior Software Engineer (Backend)

Open 57d Europe, UKSenior Licensed NL sponsor

Senior backend engineer on Navan's AI-first team in Berlin, architecting and scaling backend services for a next-generation corporate expense platform — including global commerce, payments, ledgers, policy automation, and accounting integrations. Core stack is Java/Spring Boot on AWS with microservices and AI-driven features.

AI API Api Design AWS Cloud +7 skills

Sr. Software Engineer, Backend

Open 64d North AmericaSenior Licensed NL sponsor

Navan is seeking a Senior Backend Engineer to design and scale high-performance, distributed microservices for their global travel and expense platform. The role involves leading technical architecture, optimizing system reliability, and collaborating across teams using technologies like Java, Python, Go, or Node.js.

Agentic AI AI API Backbone.js Data Pipelines +10 skills

113K – 252K $

Senior Backend Software Engineer, Flights

Open 137d North AmericaSenior Licensed NL sponsor

Senior Software Engineer at Navan in New York builds and scales the company's global flight booking platform using Java, Spring Boot, and cloud services.

AI API Api Design AWS Cloud +4 skills

113K – 252K $

Desenvolvedor(a) backend sênior | apis, integrações & ia | remoto | pj

New RemoteLATAMSenior

Senior backend developer (remote, PJ contract through VONBZ, allocated to a client) building integrations between internal systems, partners and ERPs via APIs, webhooks and queues, plus process automation and applied AI (LLM agents, natural-language data queries) for a customer-loyalty tech company. Stack: Node.js/TypeScript, Python, Java or C#, SQL, AWS.

Airflow API AWS Claude Code Clean Architecture +20 skills