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8,597 Senior Backend jobs

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

8.6K jobs
Vinted Backed by AccelBacked by Lightspeed
16 views 16 hours ago

Senior Backend Engineer, VGo Network

Open 57d HybridEuropeSenior
Lithuania
Kaunas

Senior Backend Engineer building scalable backend services and APIs for Vinted Go’s logistics network, working with Ruby, Go, AWS, MySQL, Elasticsearch and Redis, handling carrier integrations, routing, and service reliability.

AI API Api Design AWS Elasticsearch +4 skills
5K – 7K € / mo
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Vinted Backed by AccelBacked by Lightspeed
16 views 16 hours ago

Senior Backend Engineer, Quality Engineering

Open 91d HybridEuropeSenior
Lithuania
Kaunas

Build and maintain automated testing frameworks and quality metrics for Vinted’s platform, using Go, Kotlin, Kafka, and BigQuery to ensure reliable software across Europe’s largest second-hand marketplace.

AI Automation BigQuery CI/CD Go +5 skills
5K – 7K € / mo
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Vinted
5 views 16 hours ago

Senior Backend Engineer, Buyer

New HybridEuropeSenior
Lithuania
Kaunas

Brief info about Vinted Our mission is to make second-hand the first choice, and we're looking for people who want to help us get there. Every day, we work together to help our members buy and sell pre-loved clothing…

AI Analytics Automation CI/CD E-commerce +12 skills
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Vinted Backed by AccelBacked by Lightspeed
13 views 16 hours ago

Senior Backend Engineer II, Agent Platform

Open 21d HybridEuropeSenior
Lithuania
Vilnius

Senior backend engineer owning complex parts of Vinted's internal AI agent platform (Agent Platform), building the agent runtime end to end: sandboxes, agent identity/permissions, memory, and MCP integrations with tools like BigQuery and GitHub. Works on Kubernetes and AWS, likely in Python, Ruby, Go, or Rust, and mentors engineers.

Agentic AI AI Ai Enablement Atlassian Authentication +13 skills
7K – 9K € / mo
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The Trade Desk
15 views 17 hours ago

Senior Software Engineer, Backend - Infra/Platform, VenturaOS

Open 78d North AmericaFull-timeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Bellevue

Build and operate the cloud infrastructure and Kubernetes platform powering VenturaOS, a Smart TV operating system, including compute, networking, identity, GPU/ML-serving, and end-to-end telemetry for a global adtech company.

Accessibility AI Analytics Authentication Automation +28 skills
137K – 252K $
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Avito
17 hours ago

Старший бэкенд-разработчик в команду «Анонимайзер»

New CISSenior
Russia
Москва

О команде: Наша команда развивает платформу анонимизации, которая на базе текстовых моделей определяет наличие персональных данных в тексте и помогает их обезличивать. Какие задачи вас ждут: развивать платформу…

Machine Learning Python
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Squarespace Backed by AccelBacked by Index Ventures
24 views 17 hours ago

Senior Software Engineer Backend, Database

Open 49d HybridEuropeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
Ireland
Dublin

Senior backend engineer on Squarespace's Databases team (Infrastructure Foundations) in Dublin, maintaining and scaling core backend infrastructure such as MongoDB, CockroachDB, and Kafka on GCP, and building automation and tooling. Hybrid role: 3 days in the Dublin office, 2 days from home.

AI Automation Cloud CockroachDB E-commerce +7 skills
93K – 143K €
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ДИТ
17 hours ago

Программист 1С (гибрид)

New HybridCISSenior
Russia
Москва (Крестьянская застава)

Департамент информационных технологий создает и развивает цифровые проекты, которые делают столицу комфортнее, а жизнь горожан — удобнее и мобильнее. Для системы управления столицей технологии — это незаменимый…

1C REST SOAP
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ДИТ
17 hours ago

Ведущий Java-разработчик (гибридный формат работы)

New HybridCISContractSenior
Russia
Москва (Курская)

Департамент информационных технологий Москвы создает и развивает цифровые проекты, которые делают столицу комфортнее, а жизнь горожан — удобнее и мобильнее. Для системы управления столицей технологии — это незаменимый…

CI/CD DevOps Git GitLab Grafana +20 skills
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Gong.io
18 views 17 hours ago

Senior Backend Engineer (Python)- Application Infrastructure

New HybridMENASenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Israel
Tel Aviv

Senior backend engineer building the core Python infrastructure behind Gong's revenue AI platform — shared libraries, frameworks, and high-scale microservices. Day to day: distributed and event-driven systems, data stores (PostgreSQL, MongoDB, OpenSearch, Redis, Kafka, SQS), observability, and CI/CD.

AI API Api Design Asyncio Automation +20 skills
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Fastly
24 views 17 hours ago

Senior Backend Software Engineer (APIs)

Open 52d HybridNorth AmericaContractSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Denver, CO, San Francisco, CA

Designs, ships, and owns public-facing APIs and backend services in Go for Fastly's Security Products Console (Next-Gen WAF, DDoS protection, Bot Management) — from design docs through rollout and on-call — while mentoring engineers and using AI coding agents daily.

Agile AI API Api Design CI/CD +12 skills
181K – 217K $
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Gong.io
27 views 17 hours ago

Senior Backend Engineer - AI Framework (Python)

Open 123d HybridMENASenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Israel
Tel Aviv

Senior backend engineer on Gong's new AI Framework team, building the internal platform that lets all Gong teams design, evaluate, deploy, and operate AI agents at scale. Day-to-day work spans agentic orchestration and runtime systems, evaluation and quality frameworks, observability and guardrails, and developer-facing APIs/SDKs — primarily in Python with some Java integration.

Agentic AI AI Ai Enablement API Cloud +8 skills
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America Digitalia
2 views 17 hours ago

Senior .NET Backend Engineer - Remote LATAM

New UKFull-timeSenior
United Kingdom

Senior .NET backend engineer working fully remote from LATAM for a fiscal (tax) software company. Day to day: building secure, high-performance APIs and payment-gateway integrations using Clean Architecture/CQRS on AWS, with MySQL, Dapper/EF Core and Redis/SQS/RabbitMQ. Full time, paid in USD.

API AWS Clean Architecture CQRS .NET +4 skills
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Earnix
38 views 17 hours ago

Senior Backend Engineer

Open 58d HybridEuropeSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
France
Paris

Earnix is hiring a Backend Engineer in Paris to design, build, and document secure, scalable microservices and APIs for its pricing and underwriting platform, integrating LLM and agentic AI capabilities. Day-to-day work centers on TypeScript/Python backend development, cloud-native deployment on Azure/AWS, and containerized infrastructure with Docker, Kubernetes, and ArgoCD.

Agentic AI AI Analytics API Argo CD +17 skills
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OneSpan
14 views 17 hours ago

Senior Backend Engineer

Open 29d HybridEuropeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Barcelona

Senior Backend Engineer on OneSpan's Barcelona-based backend team, owning end-to-end delivery of digital identity and anti-fraud platform features. The stack is Java with Spring Boot, SQL databases, and AWS services on Kubernetes; the role also involves mentoring engineers and coordinating across teams.

AWS Fintech Java Kubernetes SaaS +2 skills
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Digital Outsource Services
1 views 17 hours ago

Senior Software Engineer (Back-end)

New AfricaSenior
South Africa
Cape Town

Senior backend engineer at Super Group's Digital Outsource Services in Cape Town, building, deploying and maintaining online gaming platform services in C#/.NET with REST APIs, microservices, SQL Server, Docker, CI/CD and cloud (AWS/Azure/GCP), while mentoring junior engineers and ensuring quality, scalability and SLAs.

Agile Angular API AWS Azure +27 skills
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Placements24
17 hours ago

Senior backend software engineer

New AfricaSenior
South Africa
Durban

Senior backend engineer at a software development house in Durban, designing and building scalable enterprise server-side applications, REST APIs and microservices, managing SQL/NoSQL databases, and integrating third-party services. Core stack includes Java/Python/C#, cloud platforms (AWS/Azure/GCP), and message queues like Kafka and RabbitMQ.

Agile API AWS Azure Cloud +13 skills
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Placements24
17 hours ago

Senior software engineer - backend

New AfricaSenior
South Africa
Polokwane

Senior backend engineer joining an established team in Polokwane to design, build, and maintain scalable backend services and APIs, optimize performance and databases, and mentor junior engineers. Stack spans modern backend languages (Java, Python, Go, Node.js), cloud platforms (AWS/Azure/GCP), Docker/Kubernetes, and CI/CD.

API AWS Azure CI/CD Cloud +7 skills
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Placements24
17 hours ago

Senior backend developer (python/django)

New HybridAfricaSenior
South Africa
Upington

Senior backend developer designing, building, and maintaining scalable Python/Django systems and RESTful APIs in Upington, South Africa, on a hybrid schedule. Works with relational databases (PostgreSQL/MySQL), optimizes performance and security, joins code reviews and architecture discussions. Requires 5+ years of backend experience.

API AWS Azure Cloud CSS +10 skills
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3MT GALICIA GLOBAL SERVICES, S. L.
17 hours ago

Desarrollador Backend Java Senior – Hybrid Y Crecimiento

New HybridEuropeSenior
Spain

Senior Java backend developer joining an international project in A Coruña, building microservices and REST APIs with Spring Boot and relational databases. Permanent contract in a hybrid work setup, with B2 English required.

API Java Microservices REST Spring
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