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Backend Engineer

Backend Engineer

Lead Java Developer (with C background)

IDT Corporation

Belgradecontractlead

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Описание вакансии

We’re looking for a
Senior/Lead Java Developer
with C background
to help us build and scale a cloud PBX solution based on Asterisk.

The team is building a cloud PBX solution based on Asterisk. We expect you to have strong problem-solving skills, be self-motivated, initiative, and responsible.

Your daily duties will include implementing different SIP proxy features using Java/C and Asterisk with respect to high availability and scalability.

Responsibilities:

  • Collaborate with business stakeholders and actively participate in product planning and sprint backlog meetings
  • Take responsibility for the full software development lifecycle, from understanding business requirements through coding, deployment, and maintenance
  • Develop and maintain technical design, architecture, and troubleshooting documentation
  • Demonstrate a technology-agnostic mindset and continuously explore new technologies and approaches
  • Analyze and interpret stack traces, crashes, memory issues, and performance bottlenecks
  • Implement patches, backports, or enhancements directly in Asterisk source code
  • Develop custom modules (C), when needed
  • Work with Linux systems (systemd, networking, tuning, kernel parameters)
  • Work with cloud environments (GCP preferred)
  • Participate in architecture decisions
  • Design and implement Asterisk dialplans

Requirements:

  • Have at least 7+ years of production experience with large-scale deployments
  • Strong hands-on experience with Java
  • Hands-on experience with C
  • Have experience with CI/CD, clouds, Linux & networking
  • Experience with CI/CD tools such as GitHub Actions, Jenkins, ArgoCD, and Maven
  • Proficiency with relational databases, particularly MySQL, including schema design, migrations, and query optimization
  • Have a good level of English (B2 or higher)
  • You are ready to act as the technical lead
  • Can work cross-team with backend developers, infra/DevOps, QA, and product owners
  • Own best practices, code quality, and documentation

We are pleased to offer:

  • Remote work as b2b contractor or on-site/hybrid employment (Belarus-Moldova) work opportunity!
  • Stable job with long-term growth perspective
  • Competitive salary with annual performance review
  • Really good hardware
  • An exciting and challenging job with talented people around
  • Continuous learning and career growth opportunities
  • Compensation for professional training, seminars, and conferences
  • Referral program - get rewarded for helping us grow the team with talented people
  • Company-supported English classes to enhance your professional growth
  • More perks for the Minsk and Chisinau office employees

A few words about us:
IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues.

We are not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.

Net2Phone
is a rapidly growing global provider of unified cloud communications solutions. It solves the problem of cost optimization for businesses in more than 50 countries, providing them with high-quality VoIP services. Net2Phone provides businesses with an integrated communications suite featuring powerful collaboration tools such as voice, messaging, chat, and unlimited domestic and international calling to 23+ countries.

The product was named ‘VoIP Supplier of the Year’ by the Telecom Consulting Group in 2018.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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Backend Engineer

Senior Software Engineer

Rho

Belgradefulltimesenior

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Описание вакансии

About Us
Rho is the modern banking platform built for startups. Open accounts in minutes, issue cards, manage expenses, pay bills, and close the books – all in one connected platform backed by real human support.

Rho is building a modern finance platform that helps businesses manage banking, cards, expenses, bill pay, and accounting workflows in one connected platform.

We're looking for a Senior Software Engineer to help build and scale new financial products from ambiguous opportunity to production-grade systems. This role is for a product-minded backend engineer with strong technical judgment, deep customer curiosity, and the ability to drive complex initiatives across teams, stakeholders, and external partners.

This is a high-ownership role for an engineer who wants to build more than features. You'll help shape new product areas, bring complex financial workflows to life, work directly with cross-functional partners, and grow into broader technical leadership as Rho scales.

You'll work on critical financial workflows and platform capabilities that sit close to how businesses manage money. The work is technically challenging, customer-facing, and often involves regulated systems, operational complexity, and third-party integrations.

What You'll Do

  • Own high-impact projects end-to-end, including our accounting integrations (NetSuite, QuickBooks, Sage Intacct, Xero, Puzzle) that keep customers' books accurate and up to date, from problem definition and technical design through launch, iteration, and operational ownership.
  • Build reliable, scalable backend services that power core accounting and financial workflows, and help us expand into new adjacent product areas as the platform grows.
  • Turn ambiguous product and business problems into simple, durable technical solutions.
  • Develop a deep understanding of our customers' accounting and financial operations pain points, and use that context to make pragmatic product and engineering decisions.
  • Partner closely with Product, Design, Operations, Compliance, and external partners, including accounting software providers and financial data platforms like Plaid and Finicity, to move complex initiatives forward.
  • Make thoughtful technical tradeoffs, with a particular focus on shipping quickly without compromising the reliability of money movement.
  • Raise the engineering bar through clear communication, strong system design, code quality, and mentorship.

What We're Looking For

  • Senior-level experience building production backend systems, APIs, services, or distributed systems.
  • Strong product judgment, customer curiosity, and comfort working through ambiguity.
  • Experience owning projects end-to-end is a plus, but we also value engineers who've built deep expertise in complex systems without owning every stage of the lifecycle.
  • Ability to manage multiple stakeholders and work cross-functionally with non-technical teams.
  • Experience operating in fast-paced, high-growth environments where priorities evolve quickly.
  • A bias toward shipping, learning from users, and continuously improving what you build.
  • Experience with fintech, accounting systems, payroll, payments, banking, compliance-heavy products, or complex integrations is a plus.

Tech we use
Python, Go, GraphQL, PostgreSQL, Docker, Kubernetes, and GCP. Experience with this exact stack is helpful, but not required. We care more about strong engineering fundamentals, product ownership, and the ability to learn quickly.

What We Offer
Our people are our most valuable asset. Base salary may vary depending on relevant experience, skills, geographic location, and business needs.

Benefits

  • Top-notch Private Healthcare Insurance for you and your family members
  • Generous PTO policy
  • Lunch at work
  • Covered costs for parking for onsite staff
  • Learning and development budget
  • Paternity leave
  • Hybrid work environment (with old town Belgrade office)

Diversity is a core value at Rho. We’re passionate about building and sustaining an inclusive and equitable environment for all those involved with our mission, including employees, contractors, candidates, customers and vendors. We believe every member of the Rho community enriches our ability to provide a broad range of ways to understand and engage with the market, identify problems, and drive solutions that align with our mission. We welcome all qualified applications and support each of our Rho’ers with ongoing professional growth opportunities.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Senior Business System Specialist (eFront)

Apex Group Ltd

Belgradesenior

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Описание вакансии

The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.

Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.

That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.

Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.

For our business, for clients, and for you

We’re looking for a talented and motivated Senior Specialist to play a key role in our dynamic team, collaborating closely with business stakeholders to deliver innovative technology solutions. You’ll be working on
eFront Invest
to drive efficiency and success in our global asset management operations.

Your Role:

  • Work directly with business stakeholders to gather and understand requirements, designing customized solutions using eFront Invest.
  • Configure and maintain eFront Invest’s modules and workflows to meet evolving business needs.
  • Develop and enhance custom workflows, reports, and dashboards within eFront Invest using FrontScript.
  • Integrate eFront Invest with other enterprise systems and data sources to streamline processes and enhance functionality.
  • Troubleshoot, resolve, and optimize eFront Invest configurations and custom scripts to ensure high performance and reliability.
  • Contribute to continuous improvement by following agile methodologies, including sprint planning and retrospectives.
  • Provide technical training and guidance to team members.

Skills required:

  • Hands-on experience with eFront Invest configuration, customization, and programming, particularly with FrontScript.
  • In-depth knowledge of eFront Invest standard modules, including but not limited to, investment management, client reporting, accounting, and performance reporting.
  • Expertise in designing and developing custom workflows, reports, and dashboards within eFront Invest.
  • Experience working with FrontScript to automate processes, enhance existing functionality, and create custom integrations.
  • Strong understanding of eFront Invest’s data model and the ability to tailor it to business requirements.
  • Familiarity with eFront Invest’s integration points, including third-party applications and data sources, through APIs or custom-built solutions.
  • Strong analytical and problem-solving skills, with a focus on detail and quality.
  • Excellent communication skills, with the ability to translate complex technical solutions into clear business terms and engage effectively with business stakeholders.
  • Domain knowledge in the Private Markets industry, including relevant business processes and technologies.
  • Strong Leadership qualities and excellent team player.

Disclaimer: Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Software Developer

Faculty of Electrical Engineering, University of East Sarajevo

Belgrade

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Описание вакансии

Radno mjesto

Software Developer

Grana/Djelatnost

Informatika

Institucija

Comtrade d.o.o.

Država

Serbia

Grad/mjesto institucije

Beograd

Web adresa institucije www.comtrade.com

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Senior Business System Specialist

Apex Group Ltd

Belgradesenior

Откликнуться на сайте работодателя

Описание вакансии

The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.

Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.

That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.

Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.

For our business, for clients, and for you

Role Description
We’re looking for a talented and motivated Senior Specialist to play a key role in our dynamic team, collaborating closely with business stakeholders to deliver innovative technology solutions. You’ll be working on
eFront Invest
to drive efficiency and success in our global asset management operations.

Your Role:

  • Work directly with business stakeholders to gather and understand requirements, designing customized solutions using eFront Invest.
  • Configure and maintain eFront Invest’s modules and workflows to meet evolving business needs.
  • Develop and enhance custom workflows, reports, and dashboards within eFront Invest using FrontScript.
  • Integrate eFront Invest with other enterprise systems and data sources to streamline processes and enhance functionality.
  • Troubleshoot, resolve, and optimize eFront Invest configurations and custom scripts to ensure high performance and reliability.
  • Contribute to continuous improvement by following agile methodologies, including sprint planning and retrospectives.
  • Provide technical training and guidance to team members.

Skills required:

  • Hands-on experience with eFront Invest configuration, customization, and programming, particularly with FrontScript.
  • In-depth knowledge of eFront Invest standard modules, including but not limited to, investment management, client reporting, accounting, and performance reporting.
  • Expertise in designing and developing custom workflows, reports, and dashboards within eFront Invest.
  • Experience working with FrontScript to automate processes, enhance existing functionality, and create custom integrations.
  • Strong understanding of eFront Invest’s data model and the ability to tailor it to business requirements.
  • Familiarity with eFront Invest’s integration points, including third-party applications and data sources, through APIs or custom-built solutions.
  • Strong analytical and problem-solving skills, with a focus on detail and quality.
  • Excellent communication skills, with the ability to translate complex technical solutions into clear business terms and engage effectively with business stakeholders.
  • Domain knowledge in the Private Markets industry, including relevant business processes and technologies.
  • Strong Leadership qualities and excellent team player.

At Apex Group, we are committed to creating a diverse and inclusive workplace. In Spain, this includes our obligation under the LGD to ensure that people with disabilities are represented within our teams. If you have a recognised disability (≥33%), we welcome your application and will provide reasonable adjustments throughout the recruitment process.'
Disclaimer: Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

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Lead Java Developer (with C background)IDT Corporation · Serbia

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