דרושים » תוכנה » Senior Backend Engineer - Collective

Required Senior Backend Engineer - Enterprise Solutions
Want to tackle complex technical challenges and craft innovative solutions? As a Senior Backend Engineer, you will play a pivotal role in revolutionizing how companies understand their customer interactions. You will develop scalable systems, work with cutting-edge technologies, and collaborate with teams across the organization to solve high-impact problems.
As a Senior Backend Engineer, you will:
Design and implement scalable, high-performance backend services and APIs using Java, Spring Boot, and cloud technologies.
Develop and maintain complex systems that run at scale in production environments.
Explore and integrate new technologies, APIs, and methodologies, including AI and ML capabilities.
Collaborate with internal teams (Product, GTM, and R&D groups) and external stakeholders to develop tailored solutions.
Be a part of a unique special forces team responsible for providing solutions to high profile customers with requirements that our product does not currently meet.
Rapidly switch between different areas of responsibility and technical stacks, contributing to multiple products and teams.

Required Senior Backend Engineer
As a Senior Backend Engineer, you'll dive into complex technical challenges, craft innovative solutions, and play a pivotal role in our mission to revolutionize the way companies understand their customer interactions. We're seeking a Java professional who can leverage their deep knowledge to drive our backend development to new heights.
You will be responsible for:
System Design and Development: Lead the design and implementation of backend services and APIs using Java technologies, ensuring scalability, reliability, and performance.
Problem-Solving: Analyze and solve complex technical challenges across the stack, from architecture to implementation.
Collaboration: Work closely with Product Managers, UX designers, and Frontend Engineers to deliver features that meet user needs and business goals.
Ownership: Take ownership of features throughout their lifecycle, from initial concept to deployment and maintenance.

We are looking for a Senior Full Stack Engineer with a backend orientation who excels at solving complex challenges and is passionate about building robust and scalable systems. In this role, you will work closely with a talented team of developers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.
As a senior engineer, you will focus on backend development while contributing to frontend implementation as needed. You will take full ownership of your projects, from concept to deployment, in a fast-paced and highly collaborative environment, while also mentoring team members and driving technical excellence.
Our Technology Stack:
Node.js, React Native, Redux, ReactJS, Scala, Play, Microservices, AWS, Docker, Kubernetes, MongoDB, Redis, PostgreSQL, Spark, Elasticsearch, Kafka, and more.
Responsibilities:
Backend Development: Design, implement, and maintain backend systems that process and analyze large-scale data.
Full Stack Contribution: Develop features end-to-end, integrating both frontend and backend functionality.
Build scalable, efficient, and secure backend services using Node.js and other technologies.
Collaborate with the Data Science team to integrate advanced algorithms into backend systems, driving data-driven products.
Partner with Product Managers and Experience Designers to brainstorm, strategize, and execute features and improvements.
Ensure architecture and systems are reliable, maintainable, and scalable for future growth.
Lead by example, mentoring junior engineers and contributing to code reviews.
Continuously evaluate and adopt cutting-edge technologies to improve system performance and engineering practices.

We are seeking an experienced Senior Backend Engineer with a passion for tackling complex challenges across a diverse range of technologies. Your role will involve a deep commitment to software design, code quality, and performance optimization. As part of our Engineering team, your mission will be to empower critical infrastructure by enabling the detection, investigation, and response to complex attacks and data breaches on their networks.
As a Senior Backend Engineer, you will take a lead role in developing the backend infrastructure to efficiently handle, process, and store massive volumes of data. Your expertise will play a crucial part in building a scalable, high-performance backend system that serves as the foundation for other services within the platform. Additionally, you will be responsible for translating intricate requirements into meticulous and actionable backend designs.
Responsibilities
Be a significant part of the development of backend infrastructure to efficiently handle, process, and store vast volumes of data.
Architect and build a scalable, high-performance backend system that supports various services within the platform.
Translate intricate requirements into meticulous backend design plans, maintaining a focus on software design, code quality, and performance.
Collaborate with cross-functional teams to implement backend and data-handling techniques.
Apply your expertise to create robust backend solutions.
Leverage your proficiency in cloud platforms such as AWS, GCP, or Azure to drive strong backend engineering practices.
Demonstrate strong debugging skills, identifying issues such as race conditions and memory leaks within the backend system. Solve complex backend problems with an analytical mindset and contribute to a positive team dynamic.
Bring your excellent interpersonal skills to foster collaboration and maintain a positive attitude within the team.

we are looking for a Senior Backend Engineer to join our ERP group and help power the financial infrastructure of thousands of businesses. This is a high-impact role in an AI-first company, where backend engineering meets intelligent automation. Youll be building robust, scalable systems that integrate with top ERP platforms-ensuring seamless data flows and operational excellence.
As part of a team that embeds AI in every layer of our product and operations, youll contribute directly to cutting-edge financial technology solutions used by 1,600+ customers. Your code wont just run-itll think smarter.
What You Will Do:
Champion AI-First Development: Leverage relevant development tools like Cursor, Codex, Copilot, and agent-based frameworks to accelerate development and optimize integrations.
Engineer Seamless Integrations: Design and implement stable, resilient, high-performance connections between and 70+ leading ERP systems, forming the backbone of our AI-driven procure-to-pay platform.
Own What You Build: Take full responsibility for features from ideation through production-ensuring reliability and performance at scale.
Think at Scale: Architect solutions that serve a rapidly growing user base with resilience, speed, and future-proof flexibility.
Innovate Relentlessly: In our fast-paced, AI-powered environment, youll continuously evolve backend systems, experimenting with new patterns and tech to enhance system intelligence.
Solve Complex Puzzles: Navigate ERP integration challenges with creativity and precision-where every obstacle is an opportunity to innovate.
Be Customer-Obsessed: Partner closely with Product, Support, and QA to ensure your work translates to tangible customer impact.

Were looking for a Principal Software Engineer with a builders mindset and a passion for innovation to join our AI Security team at BigID.
Youll play a key role in shaping how organizations adapt and secure their use of AI, working on new initiatives from the ground up. The ideal candidate is a hands-on technical leader who thrives in ambiguity, brings deep backend expertise, and influences cross-team architecture and product direction.
This is a unique opportunity to work on cutting-edge AI Security initiatives in a fast-paced, high-ownership environment.
What Youll Do:
Design scalable, secure solutions to complex technical challenges
Build backend services and infrastructure from the ground up
Drive architectural and technological decisions across products
Collaborate closely with cross-functional teams and mentor engineers
Review design and code to uphold high engineering standards
Explore new technologies and bring innovative ideas into production

We are seeking a Senior Backend Platform Engineer to join our core engineering team and lead the development of scalable, high-performance backend systems. In this role, youll design and optimize platform services that power large-scale applications. Youll collaborate with cross-functional teams to ensure our systems are robust, efficient, and future-ready.
Your ownership will include:
Design, develop, and maintain backend services, APIs, and microservices.
Optimize performance, scalability, and reliability across the platform.
Collaborate with frontend engineers, DevOps, and product teams to deliver seamless integrations.
Implement best practices in backend architecture, security, observability, and automation.
Work with cloud-native technologies and distributed systems (e.g., Kubernetes).
Develop and maintain CI/CD pipelines for smooth deployments and testing.
Troubleshoot performance issues and resolve production incidents.
Write clean, maintainable, and well-documented code, and participate in code reviews.

Were looking for a Senior Backend Data Engineer to design and optimize high-performance infrastructure capable of handling massive data volumes. In this role, youll lead backend development, architect scalable data pipelines, and ensure seamless data processing. Your expertise in distributed systems and performance optimization will drive innovation, transforming intricate security challenges into efficient, resilient solutions.
Responsibilities
Be a significant part of the development of backend infrastructure to efficiently handle, process, and store vast volumes of data.
Architect and build a scalable, high-performance backend system that supports various services within the platform.
Translate intricate requirements into meticulous backend design plans, maintaining a focus on software design, code quality, and performance.
Collaborate with cross-functional teams to implement backend and data-handling techniques.
Apply your expertise to create robust backend solutions.
Leverage your proficiency in cloud platforms such as AWS, GCP, or Azure to drive strong backend engineering practices.
Demonstrate strong debugging skills, identifying issues such as race conditions and memory leaks within the backend system. Solve complex backend problems with an analytical mindset and contribute to a positive team dynamic.
Bring your excellent interpersonal skills to foster collaboration and maintain a positive attitude within the team.

Were hiring a Machine Learning Engineer to accelerate AI-driven innovation across our B2B SaaS product and the broader organization.
This is a hands-on, end-to-end development role where you'll lead the implementation of ML/LLM-based solutions that boost operational efficiency and deliver exceptional product experiences. As an AI-First company, we embed AI across every department and workflowyou'll be at the heart of this transformation.
You will collaborate closely with product managers, engineers, and stakeholders to identify impactful AI opportunities, build state-of-the-art systems, and scale them across the organization.
What You Will Do:
AI-First Development: Design and implement POCs and production-ready ML/LLM solutions that address real-world business problems.
End-to-End Execution: Own projects from research through deployment, including model training, evaluation, integration, and monitoring.
Tool Evaluation: Stay current with state-of-the-art ML/LLM tools and frameworks (e.g., LangChain, Hugging Face Transformers, TensorFlow, PyTorch) and recommend their application.
Collaboration: Partner with engineering, product, and operations teams to embed AI into user-facing features and internal workflows.
System Integration: Build scalable microservices and APIs to deliver AI capabilities across the product.
Operationalization: Contribute to DevOps practices for CI/CD, observability, and ongoing optimization of AI models.
Strategic Reporting: Communicate progress and insights directly to senior management.

the original API Security vendor pioneering the market as the first vendor in 2018. Since then we have exhibited hyper-growth in a number of customers, threats stopped, and revenue. We saw API security as the security battleground of the future years ago as APIs started to form the foundation of the application innovation needed to drive business success today. Across banks, retail and transportation, IoT, autonomous vehicles, and smart cities, every modern app depends on APIs. Attackers realize APIs are the conduits to all sorts of valuable data and services within the year, APIs are predicted to be the number one application threat vector. Without secure APIs, businesses cannot rapidly innovate. has delivered the only patented solution to discover all APIs and their exposed data, stop API attackers, and provide remediation details for dev teams to write more secure APIs.
At Salt, were passionate about what we do. We work as a team and embrace new ideas, wherever they come from. We also enjoy all the benefits of a startup environment, including quickly seeing the results of your work, making an outsized impact on our company, and solving diverse challenges.
Want to make a big difference? We encourage you to apply!

Why join us NOW
APIs form the foundation of the application innovation needed to drive business success today. Across banks, retail and transportation, IoT, autonomous vehicles, and smart cities, every web and mobile app depends on APIs. Without secure APIs, businesses cannot innovate rapidly. has delivered the only patented solution to identify and prevent API attacks, using Big Data and AI to thwart this top threat to businesses today.
We are backed by the best investors in the world (YCombinator, S-Capital, Tenaya, Sequoia, Capital G, and more) and recently achieved a $1.4B valuation.
Were at a unique sweet spot in a startups lifecycle - the demand from customers is huge, yet our team is small and super high quality.
We are growing fast, and the opportunity window to join as a member of the core team is closing.
Our organizational structure is constantly evolving to meet our business needs, creating many opportunities for growth.

About the position
Our engineering team is made of strong, all-around players. We work across the full lifecycle of our solutions from researching capabilities in GCP, Azure, and AWS to building and testing systems in Go and deploying them in client environments. We develop solutions for API-capable platforms, integrate with third-party services, and extend them with our own add-ons. Quality is key we test thoroughly to ensure stability and reliability in real-world deployments.
Salts engineers are curious, independent, and focused on delivering well-crafted, impactful software.
To learn more about R&D, tap here!

Why should I join your team?
Meaningful work that directly impacts client production systems
Diverse and high-impact work across multiple cloud platforms and APIs
True ownership of full solution lifecycle from research to deployment
Fast learning and skill growth through varied and evolving tech challenges
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