Source Job

US

  • Provide deep technical expertise in backend development, code reviews, and architectural discussions.
  • Design, develop, test, and deploy backend software solutions using Node.js and Java.
  • Architect and optimize relational database schemas for high performance and data integrity.

Node.js Java Linux SQL PostgreSQL

20 jobs similar to Voice Backend Software Engineer (Node.js and Java)

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India

  • Develop, test, and deploy code for prototypes and new product features, collaborating on rapid prototyping with modern technologies.
  • Participate in code reviews, documentation, and knowledge sharing while experimenting with AI, machine learning, and emerging technologies.
  • Communicate progress and technical concepts to stakeholders, adapt quickly to feedback, and contribute to continuous improvement of engineering best practices.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers. The company has a remote-first culture with a strong focus on connection and global inclusion.

Europe

  • Develop, evolve, and maintain scalable and high-performance back-end applications using Node.js and ExpressJS.
  • Design and implement robust RESTful APIs and ensure code quality through best practices.
  • Collaborate with cross-functional teams, participate in agile workflows, and troubleshoot complex backend issues.

Devoteam is a global leader in Digital Transformation for leading organizations across EMEA, with a revenue of €652M. They foster a culture of diversity and innovation, employing over 8,000 tech and business experts.

Global

  • Design and develop backend microservices for telecom platform modules including Identity, RBAC, and billing pipelines.
  • Integrate with external carrier APIs, event-driven systems like Kafka, and workflow orchestration tools such as Temporal.io.
  • Collaborate with Frontend Engineers and Business Analysts to define API contracts and participate in CI/CD and code reviews.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for large enterprises. The company retains nearly 1000 full-time professionals, achieves over 99% project success rate, and has more than 30% year-over-year revenue growth.

US

  • Develop, test, and deploy code for prototypes and new product features.
  • Collaborate with team members to solve technical challenges and improve solution design.
  • Experiment with modern tools, frameworks, and emerging technologies.

Twilio shapes the future of communications, delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.

India

  • Design and implement microservices and APIs that handle production traffic with measurable uptime and latency targets
  • Identify and fix performance bottlenecks in code or infrastructure, quantifying the impact of your optimizations
  • Ship features end-to-end from specification through production, including tests, code review, and incident response

Emergence is a thematic holding company backed by the Pritzker Organization focused exclusively on acquiring and scaling category-defining software businesses. They combine operational rigor with a growth equity mindset, driving sustainable ARR growth, profitability improvements, and industry-leading customer outcomes.

LATAM APAC US

  • Design, build, and maintain backend services using Java and/or Kotlin, Spring Boot, and Spring Batch or equivalent JVM batch frameworks.
  • Develop and evolve REST and GraphQL APIs serving internal services and consumer-facing products.
  • Build and tune batch processing pipelines for data-intensive workflows, including ingestion, enrichment, and scheduled jobs.

The company is hiring a Backend Software Engineer to build and maintain scalable backend services supporting high-volume product experiences. This is a hands-on contract role for an engineer who can work with general independence and collaborate with product, design, platform, and engineering teams.

Poland Europe

  • Write readable, scalable, and easy-to-maintain JS/TS code with OOP flavor.
  • Design and modify DB structures, assess long-term impact, and propose alternatives.
  • Maintain continuous client contact, foster relationships, and lead backend best practices.

We are a tech company building cutting-edge solutions with React, Node.js and TypeScript. We work with well-established companies and startups, providing a diverse and challenging environment with a close-knit team of experts.

India

  • Implement and optimize data access patterns for efficient interaction with large-scale data.
  • Monitor, troubleshoot, and tune existing database instances to ensure latencies and operational stability.
  • Develop and maintain reusable frameworks, SDKs, and platform services in programming languages.

HighLevel is an AI-powered business operating system. They give agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale, supporting SMBs across 150+ countries and fostering community-driven growth with over 2,000 team members across 10+ countries.

Canada

  • Own data plumbing and integrations into client systems, connecting databases, APIs, and SaaS tools.
  • Extract, clean, transform, and move data for AI features, including retrieval and agentic workflows.
  • Build and maintain data pipelines using AI coding tools while applying real engineering judgment to messy, real-world integration challenges.

Vosyn is a trailblazing Language Synthesis AI firm that dissolves language barriers and empowers users through innovative AI solutions. The company is at the forefront of a significant IPO endeavor, embodying a unicorn culture of flexibility, continuous improvement, and solution-focused strategies.

Poland Ukraine 4w PTO

  • Take ownership of integrating with third-party APIs and platforms.
  • Responsibility for the backend development direction.
  • Implement constant and rapid changes for A/B tests.

We are a mobile and web application enabling easy and fast purchases of mobile data packages using eSIM technology. We are part of the Genesis ecosystem, a growing team focused on impact and growth.

Norway

  • Design, develop, and maintain cloud-native applications and microservices using Java and Spring Boot.
  • Build intuitive user interfaces with Angular and modern web technologies for a mission-critical platform.
  • Contribute to architectural decisions ensuring high availability, scalability, and disaster recovery.

Everbridge is a global leader in critical communications and enterprise safety solutions, helping governments and organizations protect communities during emergencies. The company employs over 1,500 people across the world, fostering a mission-driven culture focused on saving lives and keeping businesses running.

US

  • Develop and maintain backend services, APIs, and enterprise integration components supporting shared services and mission-critical applications.

VetsEZ is committed to delivering superior value through innovation, agility, and collaboration. We are a company that values diversity and equal opportunity.

Europe

  • Build and maintain backend services, APIs, webhooks, and integration services.
  • Design reliable data flows for assessment, feedback, learner activity, and reporting.
  • Work with PostgreSQL, BigQuery, and modern cloud application infrastructure.

The company is a global EdTech company building a suite of AI-enabled products for students, teachers, and education partners to support better learning outcomes at scale. The size and culture are not specified in the posting.

US

  • Design and implement scalable backend services and APIs for thick client desktop applications.
  • Develop and maintain data processing pipelines for structured and semi-structured data.
  • Optimize backend systems for performance, concurrency, and efficient resource utilization.

Agile Defense provides adaptive innovation to support the nation's most important missions through advanced technologies. The company values its employees as family, fostering a culture defined by the 6Hs: Happy, Helpful, Honest, Humble, Hungry, and Hustle.

Spain

  • Own the Java client and JDBC driver end-to-end: roadmap, API design, performance, release engineering, and partner-facing support.
  • Drive throughput and latency improvements across the client and ClickHouse server.
  • Engage directly with external partners on interoperability, regressions, and roadmap alignment.

ClickHouse is a real-time analytics database company recognized on the 2025 Forbes Cloud 100 list. With over 3,000 customers and 250% year-over-year ARR growth, it is a fast-growing private cloud company on a mission to transform how companies use data.

Latin America

  • Build and maintain clean, efficient, and highly scalable backend services using Java ecosystems and modern frameworks.
  • Optimize big data infrastructure, assisting in the implementation of systems that process, stream, and analyze massive datasets.
  • Own quality assurance by conducting thorough testing of software structures to guarantee high performance and system resilience.

CodeRoad provides end-to-end software development services, helping businesses scale with ideal infrastructure solutions. They operate as a nearshore technology services provider, empowering businesses to thrive in an ever-evolving digital landscape.

India

  • Design, implement, and maintain microservices using Python, Go, and Java.
  • Build and scale cloud-based software products, online services, and data pipelines for millions of transactions.
  • Collaborate on security, reliability, and automation while supporting testing and troubleshooting.

Ocrolus helps lenders automate workflows with an AI platform that processes nearly one million credit applications monthly with over 99% accuracy. Trusted by 400+ customers including Better Mortgage and SoFi, it is a fast-growing, remote-first team of builders and problem solvers.

Global

  • Lead with Technical and Team Excellence.
  • Elevate Team Effectiveness.
  • Strategize and Execute for Impact.

Deel is the all-in-one payroll and HR platform for global teams. They combine HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. Their team of 7,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture .

UK

  • Design, develop, and optimize scalable shared backend services using Java and serverless technologies (AWS Lambda).
  • Design and implement RESTful APIs and event-driven systems, contributing to frontend components as needed.
  • Collaborate with cross-functional teams, mentor junior developers, and maintain CI/CD pipelines for high-quality software delivery.

Turnitin is a recognized innovator in global education, partnering with educators and institutions for over 25 years to develop learning integrity solutions. With over 16,000 academic institutions and team members in 35+ countries, the company fosters a remote-first culture focused on purpose, accountability, and well-being.

US Unlimited PTO

  • Craft streamlined user flows and build robust APIs for bank administrators and customers.
  • Write clean, thoroughly documented, and well-tested code with emphasis on error handling and edge cases.
  • Provide technical guidance and code reviews, raising the bar for teammates.

Alkami provides a digital sales and service platform for U.S. banks and credit unions. Founded in 2009, it is a fast-growing SaaS company with a culture recognized as Best Place to Work in Fintech and Best Company Culture.