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Yaroslav M., Scala Software Engineer with Cloud & Data Engineering skills

Ternopil, Ukraine
Last Updated: 4 Jul 2023

- Professional engineer with proven ability to develop efficient solutions for complex problems, including cloud and Data projects; - Microservice architecture expertise Lightbend Reactive Architecture, Infrastructure as Code expertise in AWS CloudFormation, CI/CD (Gitlab, AWS CodePipeline), Cloud expertise - AWS; -Engineer with the ability to develop efficient solutions for complex problems, including cloud projects, AWS Services (Amazon Quicksight, EC2, S3, Glue), Databricks, Kinesis; - API development RESTful, Swagger, GraphQL, API Gateway, Microservice architecture expertise - Commercial experience in IT since 2013; - Lightbend Reactive Architecture, Infrastructure as Code expertise in AWS CloudFormation, CI/CD (Gitlab, AWS CodePipeline); - System level programming, OOP and OOD, functional programming; Stress on profiling and optimizing code, writing reliable code; - System-level programming, OOP and OOD, functional programming; - Profiling and optimizing JVM code; - Experience with product documentation and supporting products; - Upper-intermediate English; - Available ASAP.

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Amazon Web Services (AWS)

Amazon Web Services (AWS)

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Pravasan S., Expert Automation QA / Lead

London, United Kingdom
Last Updated: 4 Jul 2023

- Worked on leading positions with central high street banks/fin-tech firms like BAML-UK, ICBC-Standard Bank-UK, Fidelity, and Prudential. - Worked in Major Asset Classes like Commodities, Money Market, Equities, Equities Derivatives, Risk-IT, Market Operation, Financial Markets, Fixed Income - Domain Knowledge: Banking, FX, Asset allocation, Fixed Income, Regulatory reporting MiFID, Treasury, Insurance, Annuities, Mutual Funds, Retirement Services, Finance, ERP, CRM, Security, Networking, Gaming - 15+ years of commercial experience with Java and 5+ years of commercial experience automating with Appium. First experience in the banking sector was acquired in 1999. Since the beginning of 2000, has working experience in banking and finance. - A delivery-focused hands-on expert test professional with over 20 years of solid experience in providing test solutions to multi-million-dollar projects with an emphasis on automation and CI. - Certified Agile Scrum Practitioner - ISEB / ISTQB Certified Software Test Professional - Fluent English

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Appium   5.5 yr.


Java   15 yr.

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Maria Lapko
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Only 3 Steps to Hire JVM Engineers

Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Meet Carefully Matched Talents
Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.
Validate Your Choice
Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Welcome to Upstaff

Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

Yaroslav Kuntsevych

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Henry Akwerigbe
Henry Akwerigbe
This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management. There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more. It gets even better because many projects even allow full remote from anywhere! Nice job to the Upstaff Team 🙌🏽.
Vitalii Stalynskyi
Vitalii Stalynskyi
I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog. When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly. Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.
Владислав «Sheepbar» Баранов
Владислав «Sheepbar» Баранов
We've been with Upstaff for over 2 years, finding great long-term PHP and Android projects for our available developers. The support is constant, and payments are always on time. Upstaff's efficient processes have made our experience satisfying and their reliable assistance has been invaluable.
Roman Masniuk
Roman Masniuk
I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!
Yanina Antipova
Yanina Antipova
Хочу виразити велику подяку за таку швидку роботу по підбору двох розробників. Та ще й у такий короткий термін-2 дні. Це мене здивувало, адже ми шукали вже цілий місяць. І знайдені кандидати нам не підходили Це щось неймовірне. Доречі, ці кандидати працюють у нас і зараз. Та надать приклад іншим працівникам. Гарного дня!)
Наталья Кравцова
Наталья Кравцова
I discovered an exciting and well-paying project on Upstaff, and I couldn't be happier with my experience. Upstaff's platform is a gem for freelancers like me. It not only connects you with intriguing projects but also ensures fair compensation and a seamless work environment. If you're a programmer seeking quality opportunities, I highly recommend Upstaff.
Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in. Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

Hire JVM Developer as Effortless as Calling a Taxi

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FAQs about JVM Development

How do I hire a JVM developer? Arrow

Are you desperately looking for a JVM developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the JVM Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find JVM developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the JVM guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff JVM developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating JVM candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire JVM developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched JVM Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet JVM engineers in person. Make the right call. Bring a new JVM developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote JVM engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their JVM skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire JVM developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire JVM developers. Upstaff has a network of vetted and tested JVM developers. Here, you can hire web developers for a few simple coding tasks with JVM.

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Table of Contents

How and where is JVM used?

  • Microservices communication: Event-driven architectures
  • Big Data processing: Apache Spark
  • Web development: Spring Boot applications
  • Container orchestration: Kubernetes deployments
  • Real-time data processing: Apache Kafka
  • Android app development: Kotlin programming
  • Machine learning: Apache Mahout algorithms
  • Financial services: High-frequency trading systems
  • Internet of Things: Sensor data analytics
  • Cloud computing: Serverless computing platforms

Compare Junior, Middle, Senior, and Expert/Team Lead JVM Developer roles

Seniority NameYears of ExperienceResponsibilities and ActivitiesAverage Salary (USD/year)
Junior0-2 years
  • Code debugging
  • Implementing small features
  • Assisting in testing
Middle3-5 years
  • Developing new features
  • Optimizing code
  • Participating in code reviews
Senior6-8 years
  • Architecting complex systems
  • Mentoring junior developers
  • Leading project development
Expert/Team Lead9+ years
  • Setting technical direction
  • Overseeing project delivery
  • Collaborating with stakeholders

Quick Facts about JVM.

  • Back in the day when Java Virtual Machine (JVM) was born.
  • Many cool projects like Android apps rely heavily on JVM.
  • You need to have a decent grasp of Java to tackle JVM.
  • Kotlin is currently the hottest companion to JVM.
  • Did you know? JVM can run multiple programming languages!

TOP JVM Related Technologies

  1. Spring Boot (Pivotal Software, 2013)
  2. Apache Kafka (Apache Software Foundation, 2011)
  3. JUnit (Erich Gamma, Kent Beck, 2000)
  4. Gradle (Hans Dockter, 2007)
  5. Vert.x (Tim Fox, 2012)

What are top JVM instruments and tools?

  • JVisualVM: Tool for monitoring, troubleshooting Java applications – Released by Oracle in 2004
  • VisualVM: Visual tool integrating several JDK software tools – Released by Oracle in 2008
  • Java Mission Control: Perf analysis tool for HotSpot JVM – Released by Oracle in 2013
  • Java Flight Recorder: Profiling and diagnostics tool – Released by Oracle in 2013
  • Async Profiler: CPU and memory profiler – Released by Nitsan Wakart in 2016
  • AppDynamics: APM tool for monitoring Java applications – Released by AppDynamics in 2008
  • JavaMelody: Monitoring tool with low overhead – Released by JavaMelody in 2005
  • Stackify Prefix: Lightweight profiler for Java – Released by Stackify in 2015
  • YourKit Java Profiler: Java profiler for CPU and memory – Released by YourKit in 2003
  • JProfiler: Java profiler for performance analysis – Released by ej-technologies in 2001

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Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Maria Lapko
Global Partnership Manager