backend developer

Remote work, Russia · $4000 · More than 10 years of experience · Intermediate

go, backend, linux, php, highload, blockchain

Backend, go, PHP, Highload, Linux, MongoDB, Docker, SQL, NoSQL, BlockChain


Senior Software Engineer

Kyiv · $3500 · 3 years of experience · Upper Intermediate

I am a result-oriented full-stack software developer. I have got three years of experience in commercial development. I have worked on the implementation of a highly configurable web-based application without a single point of failure. Designed and wrote microservices in Java, Golang programming languages. Using GCP, AWS, and other computing cloud platforms to deliver solutions. Implemented an information security framework that states that organizations should not trust any entity inside or outside of their perimeter at any time. It provides the visibility, and IT controls needed to secure, manage, and monitor every device, user, app, and network being used to access business data. It also involves on-device detection and remediation of threats. I have developed a platform for the efficient processing of massive data in real-time. Reduced processing time of web requests and SQL queries applying a cache.

Spring, Java, Maven, Hibernate, Git, SQL, Microservices, Design Patterns, Docker, Linux, Jira, Netflix OSS, Gradle, Elasticsearch, IntelliJ IDEA, Machine Learning, OOP, REST, RxJava, BigData, Test driven development, Play Framework, Kibana, Jenkins, Kubernetes, Kafka, PostgreSQL, Spring Boot, JavaScript, Helm, Google Cloud Platform, Angular, Golang, Shell, Redhat, Algorithms, Azure Cloud, Cassandra, RabbitMQ, AWS, Mac OS;, Functional programming, Natural Language Processing, Neural Network, Crypto Algorithms, Networking, Parallel Programming , Asyncronous Programming, TypeScript, Apache Spark, Hadoop, C language

Contribute to open-source projects like Ignite, Spring, Kubernetes.

I like flexible working hours, but dislike idle talk and useless meetings that steal our time. I have claims to micromanagement and hate hypocrisy and falsehood.


Golang software engineer

Kharkiv · $3000 · 4 years of experience · Intermediate

Work at financial sector: creating microservices for work with outside financial markets. Project - UKB Markets (Simcord LLC) Creating blockchain based on go-ethereum official code base. Project - Bit Trade (Simcord LLC)

Golang, Docker, Git, Linux, REST API, Microservices, go, Kubernetes, PostgreSQL, Redis, gRPC, Jira, SQL

Implement containerization of applications using docker. Kubernetes implementation for application container management

* friendly staff * high salary * interesting projects


Golang developer/Node.js/Angular/React

Lviv · $2000 · 3 years of experience · Intermediate

Freelancer about 3+ years

HTML, CSS, JavaScript, JSON, C#, MongoDB, Node.js, Bootstrap, OOP, Python, Selenium WebDriver, Wordpress, XML, REST API, Git, CSS3, Web Development, Golang/Go, React, Docker, Microservices, gRPC, PostgreSQL, Angular, MySQL, TypeScript, Linux

Also I have experience as daytrader on USA stock market + algo trading development.

Freelancer style, startups. Most preferred remote positions for now.

3 June

Backend Software Engineer / Architect / Team Lead / Golang

Remote work, Ukraine · $5000 · 8 years of experience · Pre-Intermediate

Designed and led the development of such projects: - trading binary options platform - investment social network with wide financial statistics. The general key features of the investment social network (without common) were: - It was able to connect to several trading platforms at once and give the user full trading statistics on his accounts - Some customers had the opportunity to invest in the accounts of other customers and receive a share of the profit from the accounts in which they invested. I led a small development team consisting of no more than three developers. Both projects were designed according to the principle of microservice architecture. In projects, containerization (Docker) of components was actively adopted. Apache Kafka was used in the social network project. It made easier to implement component scaling and balance traffic between them. To collect, store financial raw data, and obtain aggregated results, the clickhouse column database was used. It made easier to collect data and reduce the amount of data stored. Some services were written in Golang, some in Python, there was also a piece of legacy code written in PHP. Until DevOps engineer joined the team my duties included also installing and configuring workflows - gitlab, youtrack, Jenkins, chat.

Golang, Kafka, gRPC, Docker, Microservices, ELK, ClickHouse, MySQL, PostgreSQL, Distributed Systems, Linux, Redis, SOLID, OOP, Clean Architecture, Protobuf, PHP7, PHP, bash, MariaDB, Reindexer, Prometheus, Apache Kafka, Docker Compose, Consul, Nginx, Envoy, Open Policy Agent, Fluentd, ejabberd, Git, AGILE/SCRUM, Youtrack, Jenkins, GitLab CI

Backend Software Engineer with 8+ years experience in software development. 3+ years as a Backend Team Leader/Architect. I will provide an optimal way to achieve business goals, maintaining a balance between business requirements and modern technology. Understanding workflows and principles of an Agile development methodology will allow more efficient distribution of the workload among team members.

Development of distributed and high availability systems.

3 June

Senior Software Engineer

Kharkiv · $4500 · More than 10 years of experience · Pre-Intermediate

• Experience of over 18+ years. System and application programming. Microservices. High-load. Development of heavy-fault-tolerant systems. Development of cross-platform applications. Development of network applications. Big Data. • Excellent knowledge of GO, JAVA, C/C++, PHP, C#, Perl. Knowledge of JavaScript, Shell Programming, MySQL, PostgreSQL, Redis, RabbitMQ, Docker. Working with OS Windows, Linux, FreeBSD. Implementation of Distributed and Client-Server Application. • Very active team member. Purposeful. Full of ideas. Hardworking. Able to work as a part of a team and alone. Good sense of humor, communicative. • Hobby – Skeet shooting (1 rank), Paintball (Ukrainian championship and Ukrainian Cup), Model aircraft (helicopters and quadcopter. Assembly, projecting, flights FPV), CrossFit

Golang, Git, PostgreSQL, Linux, Docker, MySQL, JavaScript, Redis, Microservices, SQL, go, JSON, Python, OOP, RabbitMQ, Nginx, Kubernetes, Java, docker, ElasticSearch, Memcached, Backend, C , Regex, Jira, Golang/Go, PHP, Node.js, BlockChain, Solidity, JAVA 8 , Spring, Spring Boot

I want to work in an interesting project and grow as a professional

3 June

Software Engineer 

Kyiv, Dnipro · $3500 · 4 years of experience · Intermediate

Golang, Linux, HTML, CSS, JavaScript, Solidity, Ethereum, Bitcoin, gRPC, WebSockets, Zabbix, Nginx, REST API, SQL, NoSQL, Python, Node.js, ClickHouse

3 June

Senior Golang Developer

Kyiv, remote, relocate · $4500 · 8 years of experience · Upper Intermediate

Summary of Qualifications: I have over 7 years of experience of software development and leading IT projects activities. During that time, I have participated in more than 6 projects of various size and complexity. Have strong experience in various programming languages and technologies. Most of my expertise is development of Golang and PHP and Node.js applications including back-end and front-end parts of application, issue detection and resolving. On most of the projects, I have performed design, development and team leading activities. I have strong understanding of the object-oriented concepts, design patterns. I have been involved in several major long-term projects, which gave me strong experience in various areas of software design and development. On most of the projects I took part in were handled with Scrum. Therefore, I have experience and good understanding of this methodology. I also have strong technological knowledge and experience in JavaScript, maintaining relational databases. I am always open to new and accepting the challenges with interest and enthusiasm. I have very good skills in problem solving. I am open-minded and goal-oriented. I have active teamwork attitude and quick learning ability. Skills: Programming Languages/Technologies • Golang • Python 2.7 • Php • Lua • Java(for myself) • JavaScript/HTML/CSS • Typescript DBMS • MySQL • PostgreSQL • Clickhouse • Cassandra • Mssql Methodologies • Agile, Scrum • Test Driven Development • Behavior Driven Development Search Engines • Sphinx • Elasticsearch Operating Systems • Mac OS X • Microsoft Windows 95/98/2000/XP/7/8/10 • CentOS, Ubuntu Frameworks • React.js • Echo • React Native • Backbone.js • Underscore.js • Angular.js • Knockout.js Application/Web Servers • Nginx • Apache Development Tools • Goland • Intellij IDEA • VIM Testing Tools • GoConvey • Ginkgo Tools • Jira • Confluence

Memcached, MongoDB, PostgreSQL, RabbitMQ, ReactJS, JavaScript, Golang, Docker, REST API, GraphQL, Kubernetes, Google Cloud, AWS, GRPC

I want to work in an interesting project and grow as a professional

2 June

Backend Developer

Moscow · $4000 · More than 10 years of experience · Upper Intermediate

2018 November - Present: Software Development Team Lead at Mafin Mafin is an online car insurance company. My role at Mafin is to design backend architecture, developing PoC, investigating new technologies, seeking their pros and cons, leading the team & developing the project from scratch to a production-ready state, and handling all the other duties of being a team leader like code reviewing and task planning. Go(golang) Kubernetes Kafka CQRS/ES gRPC Camunda(BPMN engine) Docker OpenTracing(Jaeger) Redis restapi 2016 November - 2018 November: Senior Software Developer at New Cloud Technologies New Cloud Technologies is a software company focusing on GoogleDocs-like solutions for private clouds. My responsibilities were designing the architecture of indexing and searching, backend development, code reviewing, introducing new practices to the company like unit-testing and autotesting. 2014 December - 2016 November: Software Development Team Lead at Sputnik Web Portal Sputnik is a web portal that puts together a bunch of social-oriented services. Some of my duties were designing the architecture of email service from scratch, assembling a new team, leads the team ahead by the thorny path full of new technologies and unexpected challenges. 2013 March - 2014 November: Senior Software Developer at Amustware Amustware was a startup that created parental control solutions based on linguistic analysis. 2009 December - 2013 March: Software Development Team Lead at Acronis 2006 August - 2009 December: Senior Software Developer at Acronis 2005 March - 2006 Jule: Senior Software Developer at Informzaschita 2002 March - 2005 Jule: Lead Software Developer at Ulyanovsk State University

Golang, Docker, Linux, Git, REST API, Microservices, go, Redis, Kubernetes, gRPC, JSON, OOP, docker, Kafka, Protobuf, Distributed Systems, Continuous Integration, Team leading, GoLang, Unit Testing, C++, Camunda, Microservices architecture, CQRS/ES, TDD, SOLID

Software Developer with strong expertise in backend development and enterprise solutions. - I keep the balance between new cutting-edge stuff and time-proved solutions - Unit-testing, TDD, SOLID, KISS - all of them are my best friends - I enjoy learning and sharing new knowledge with teammates

2 June

Golang Developer 

Remote work, Russia · $4000 · More than 10 years of experience · Advanced/Fluent

-- - online travel agency - с нуля до $20 миллионов в год (проект закрылся из-за COVID-19). -- - сделано много разного интересного. -- - Streaming Search Engine. -- - сделали MVP за месяц - инвестор счастлив, отдали проект локальной команде в Торонто. -- - рекоммендательная система для бизнес-путешественников (клиенты - HSBC, Airbus, Rolls Royce. Microsoft, Linkedin). -- AirGateway - перевернули рынок авиабилетов (new distribution capability) -- Etix Everywhere - smart data centers -- Golang - 4+ years -- Revel / Gorilla / Gin / QOR / Echo / Web.Go / Goji / BeeGo -- Clean architecture, design patterns, concurrency patterns, TDD. -- Perl - 15+ years (including Mojolicious, Dancer, Coro, AnyEvent) -- MySQL, MongoDB, PostgreSQL -- Redis, Memcached, Tarantool, Consul -- ELK (ElasticSearch, LogStash, Kibana) -- TICK (Telegraf, InfluxDB, Chronograf, Kapacitor) -- Apache, Nginx -- Git flow / Github / Gitlab -- gRPC / REST / GraphQL -- Vagrant -- Docker, Microservices -- Kubernetes / Helm -- Postman / Swagger -- AWS (Amazon Web Services), GCP (Google Cloud Platform) -- Agile / Scrum / Kanban / Waterfall

Golang, MySQL, Nginx, Redis, Sphinx, Ubuntu, Git, PostgreSQL, Tarantool, ElasticSearch, Memcached, MongoDB, REST API, RHEL, SOAP, SVN, vagrant, gRPC, ProtoBuf, Jira, Scrum, Agile, Gorilla, Revel, Echo, Beego, GraphQL, Consul, Microservices, Microservices architecture, Kubernetes, Docker, Postman, Swagger

Интеграция нового поставщика в систему бронирования отелей за три дня (импорт/экспорт, поиск, заказ, отмена и т п), когда клиент ждал минимум за 21. Мы поспорили и выиграли 18000 фунтов (по 1000 за каждый день, оставшийся до 21). Если бы сделали за 21+ день - проиграли бы по 1000 за каждый день задержки.

Интересные задачи. Возможность удаленной работы.

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