Senior Backend Engineer Jobs

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Apollo.io·India·Remote · India

Senior Backend Engineer

Apollo.io is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies and millions of users globally, from rapidly growing startups to some of the world's largest enterprises. Founded in 2015, the company is one of the fastest growing companies in SaaS, raising approxim

close·United States·Remote · United States

Senior Backend Engineer – Communications (USA Only - 100% Remote)

Close moves 7 million minutes of call recordings, millions of sales emails, and a steady volume of SMS through our pipes every month. The Communications team owns that entire surface — and the job got trickier in the last year, because real-time calling is now a real-time AI problem. When a customer

Raya··Remote · Worldwide

Senior Backend Engineer, Core Discovery

Senior Backend Engineers at Raya love building and operating server software and have been recognized as leaders in past roles. The ideal candidate will have had 6+ years of experience and grown within their organization, demonstrating both results and leadership. You will join the Core Discovery te

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Pinwheelapi·United States·New York·On-site

Senior Backend Engineer, Integrations Tooling

**This role is hybrid with 3 days a week in our NYC office.** Pinwheel - Building the future of financial services in partnership with the biggest brands “I love my banking app!” said no one, ever. Pinwheel is on a mission to change that. We believe banks and financial service providers repre

Gremlin·Based In The Us·Remote · Worldwide

Senior Backend Engineer

Today’s complex, fast-paced systems have become a minefield of reliability risks—any of which could cause an outage that costs millions and destroys customer confidence. That’s why high-availability teams use the Gremlin to find and fix ‌reliability risks before they become incidents. Gremlin R

heycar·United Kingdom·London·On-site

Senior Backend Engineer

Since August 2019, we’ve been making it easier for customers to find the right vehicle, and for automotive retailers to sell them. More recently, we’ve been on a journey… In June 2025 we were acquired by Volkswagen Financial Services UK (VWFS UK) and our mission is simple: build the right tech

Gogolook·Taiwan·Taipei·Hybrid

Senior Backend Engineer (Anti-Scam 2B Team)

About us Gogolook is a leading TrustTech company founded in 2012 and listed on the Taiwan Stock Exchange in 2025 under the stock code 6902. With "Build for Trust" as its core value, the company has expanded its business from Asia to Europe and America. Gogolook’s AI technology is built on the world'

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Nahc·Taiwan·Taipei City·On-site

(Senior) Backend Engineer (FinTech / SaaS)

Our client is a fast-growing international technology company building modern fintech and SaaS platforms for the healthcare sector in the US market. Backed by experienced founders, global investors, and a highly entrepreneurial leadership team, the company is focused on transforming operational and

mx51·Australia·Remote · Australia

Senior Backend Engineer

mx51 is a payments-as-a-service solution for banks, non-bank acquirers, and other merchant service providers. We are building a payment platform that allows merchants to accept payments in-store, in-app and online, whilst consolidating all their data on a real-time business management dashboard. As

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Oowlish·Brazil·São Paulo·Remote · Brazil

Senior Backend Engineer (PHP & Laravel)

Join Our Team Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team. As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contrib

Grid·United States·Seattle·On-site

Senior Backend Engineer | On-Site | Seattle

About us Today’s financial system is built to favor those with money. Grid’s mission is to level that playing field by building financial products that help users better manage their financial future. The Grid app lets users access cash, build credit, spend money, optimize their taxes, and lots, lot

newzoo·Netherlands·Amsterdam·On-site

Senior Backend Engineer

Job Title: Senior Backend Engineer Location: Amsterdam, the Netherlands Language: English FTE: Full-time, hybrid (3 days per week in the office) Employment type: Initial fixed-term contract for 12 months. This role starts with a 12-month fixed-term contract, in line with company policy and common Du

projecty·South Africa·Cape Town·Remote · South Africa

Senior Backend Engineer – Global Healthtech (.NET / C#)

Senior Backend Engineer – Healthtech (.NET / C#) Remote (South Africa) | Full-Time | Salary Package: R100,000 – R115,000 per monthIncludes: base salary, employer retirement contribution, monthly medical aid contribution About the Company Our client is a European healthtech startup building modern pr

kcrise·United States·On-site

Senior Backend Engineer (Java)

Prismatic·United States·On-site

Senior Backend Engineer - Platform & Infrastructure

Prismatic is the integration platform that helps B2B software companies build integrations fast and deliver them at scale. We're turning integrations from a bottleneck into a growth driver for hundreds of companies, from high-growth startups to Fortune 500s. Our platform handles everything that brea

kodem·Israel·Tel Aviv·On-site

Senior Backend Engineer

Kodem is the context-based application security platform delivering end-to-end protection from code to runtime. Powered by complete SDLC coverage and Runtime Intelligence™, Kodem accurately determines what really puts you at risk. Security and engineering teams are using Kodem to gain unmatched visi

wuilt·Egypt·Giza·On-site

Senior Backend Engineer

- Role Overview: Lead the development of scalable backend systems and APIs while mentoring team members and driving technical decisions. Work with product teams to deliver robust solutions that meet business needs. - Core Responsibilities: Design and build scalable backend services and APIs Lead tec

Aicrete Corp·San Francisco·Hybrid

Senior Backend Engineer

Job Title: Senior Backend Engineer Location: Hybrid (with options for remote work) Job Type: Full-Time Company Overview: At AICrete, we are committed to revolutionizing the global concrete and construction industry. Leveraging AI, machine learning, computer vision, and sophisticated automation, AICr

proton tehnologies·France·Paris·On-site

Senior Backend Engineer - Platform (Inbox)

About Proton Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VP

close·United States·Remote · United States

Senior Backend Engineer – Agents (USA Only - 100% Remote)

We shipped our first agent, Chloe, in 2026. The Agents team owns the platform underneath: the agent core, the eval and observability layer, the MCP surface that external agents (Claude, ChatGPT, ElevenLabs, n8n) operate Close through, and the orchestration that ties it together. The team is running