Leadspace is the leading Customer Data Platform for B2B Sales & Marketing

Required skills

— 4+ years of experience with server-side Java 8
— Practical experience with Message Broker (ideally Kafka)
— Practical experience - No SQL - (ideally Redis)
— Understanding of microservice architecture, design patterns, experience with making decisions about architecture, building a chain of services, understanding concepts of current solution on a candidates project
— Practical experience with SQL
— English level at least Upper Intermediate (good speaking)
— Good communication skills (ability to win over interlocutor)
— Leadership experience (at least 3 team members)
— Ability to negotiate

Nice to have:

Strong testing methodology (Integration tests and automation)
Practical experience with Code Review
Practical experience with Docker

We offer

It’s a full-time position 🕑

— Office or remote is your choice
— Regular technology events and workshops
— Paid sick leave
— 4 weeks of paid vacation
— Medical insurance package
— Corporate library
— Paid English classes
— Office relax zone
— Fun events for all team members
— Friendly and professional team
— Providing all the necessary staff that you need for the productive workday


We are looking for a backend tech lead, with a strong backend engineering background to join the Engineering team and help us build the future of our B2B SaaS products suite, providing customers with real-time, AI-based data, scores and insights.

You will need to demonstrate:
— Experience in software design and architecture
— Strong understanding of distributed software concepts
— Ability to understand in the details the company’s main business and how is it being used by the customers
— Experience in implementing clean code and best practices
— Excellent communication skills, needed in mentoring of engineers
— Agility — requirements will always change and the code should be flexible enough for modification, but also simple as much as possible

Project description

Leadspace is revolutionizing the B2B Sales and Marketing space. We are leading the field in applying advanced artificial intelligence and predictive modeling to solve common go-to-market challenges. Leadspace’s unique Customer Data Platform (CDP) helps companies access and understand social, web, intent, structured and unstructured data at the individual and company levels, score leads against ideal customer profiles, and integrate seamlessly into sales and marketing automation applications such as Salesforce, Marketo and Eloqua.

Based in San Francisco, Austin, and Israel, Leadspace is trusted by more than 150 B2B brands, including 7 of the 10 largest enterprise software companies. Major Leadspace customers include Microsoft, SAP, HP Enterprise and RingCentral


INSART is a FinTech & Java Engineering company.

We can build a FinTech and/or Java-based software product from scratch or support & re-engineer current solution using microservices and service oriented approach.

We cover full SDLC and all layers of software system architecture.

Established in 1993, INSART has headquarters in New York, the United States, and software engineering and R&D labs in Kharkiv and Kyiv, Ukraine.

Nowadays, INSART is a mature and remarkably qualified team that offers a host of advantages any one of which can become mission-critical in making your software project a success.

Currently, INSART employs a team of 50+ eminently qualified IT professionals. As a favorably located employer, we are fully positioned to augment any of our project teams whenever required. Typically, an INSART project team consists of 5 to 15 software developers and QA engineers, a team lead and a project manager.

You can learn more about INSART at www.INSART.com

FinTech expertise:
- Online Payment Systems & Payment Processing
- Wealth Management & Robo-advisors
- Lending & Fundraising
- Trading Platforms & Algorithms
- Insurances & InsurTech
- Online Security
- Blockchain & Cryptocurrencies
- Big Data Analytics

Technologies by system architecture layers:
- Backend/Server: Java EE, Spring, Hibernate, JBoss, Tomcat, WebLogic, Tapestry, Faces, EJB
- Frontend/Web: JavaScript, Angular.js, Ember.js, React.js, Backbone.js, REST, HTML5, CSS3
- SQL DBs: PostgreSQL, MySQL, Oracle, MS SQL Server, IBM DB2
- NoSQL DBs: MongoDB, Couchbase, Neo4j
- Big Data: Spark, Hadoop, Hazelcast, Kafka, Elasticsearch
- Data Science & Analytics: R, Python, C++, OLAP, MatLab
- Mobile: Android Java, iOS Objective-C, Cordova, JavaScript, HTML5, CSS3
- Embedded: C/C++, Embedded Linux
- Cloud: Amazon AWS, Heroku

Company website:

DOU company page:

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