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We’re looking for a Senior Developer with Salesforce integration experience to join our growing engineering team. This isn’t a traditional Salesforce development role. Instead, you’ll focus on integrating Salesforce with a complementary platform we’re building using .NET and AWS—what we call our “sidecar system.”
You’ll help us connect systems, scale integrations, and guide our internal team through the best practices of building with Salesforce from the outside in—using its APIs and platform features without deeply customizing it.
Design and implement robust integrations between Salesforce and our .NET/AWS-based sidecar system.
Work on authentication, performance, scalability, and event-driven integration patterns across systems.
Leverage Salesforce APIs (REST, Bulk, Streaming) to access and sync data without over-customizing the platform.
Collaborate with platform architects to ensure data integrity, security, and performance across our ecosystem.
Build resilient pipelines that can handle real-world scale and complexity (retries, fallbacks, monitoring).
Document and teach integration strategies, enabling internal developers to maintain and extend integrations confidently.
Establish patterns, reusable components, and shared knowledge to reduce tech debt and accelerate development.
Hands-on experience integrating with Salesforce (not necessarily as a Salesforce developer).
Strong backend development experience, ideally with .NET (C#).
Solid knowledge of cloud infrastructure and event-driven architecture (preferably in AWS: SNS, SQS, Lambda, EventBridge, etc.).
Familiarity with Salesforce authentication flows (OAuth 2.0) and API limits.
Understanding of performance and scaling considerations when working with 3rd-party platforms like Salesforce.
Proven ability to write clear documentation and mentor developers on integration approaches.
Experience with tools like Salesforce Workbench, Postman, or Salesforce CLI.
Exposure to CI/CD pipelines and monitoring tools in a microservices environment.
Familiarity with Salesforce data models (e.g., Accounts, Opportunities) and access patterns.
We’re executing an ambitious technical vision that brings together best-in-class platforms in a flexible, loosely coupled architecture.
You’ll be part of a collaborative and forward-thinking team, where your ideas and patterns will shape how we build and scale.
We value people who are both builders and teachers—those who care about long-term maintainability as much as technical excellence.
Ready to build something great with us? We’d love to hear from you.
At Arnia, we are a diverse and passionate team of software development engineers, quality assurance engineers, business analysts, system administrators, and managers, united by our shared dedication to creating high-quality software solutions and delivering exceptional services to our valued customers and partners.
We believe in customer satisfaction as being the single most important goal we want to achieve in everything we do. But we also believe that we can reach this goal while having fun at work, making friends, and enjoying working together. We have game evenings, nights out and team building events to help us know each other better and spend quality time together. Also, we have a flat organization, with no unnecessary hierarchies and where you reach the management easily.
In Arnia you will meet very skilled software engineers with rich academicals background, with passion for innovation and continuous education, self-driven and oriented toward results. At the same time, they are people with high sense of humour, fun and informal, that value friendship, trust and a nice working environment.
Excellence is achieved step by step, it is a journey we always take together as a team and as a modern organization.
We recognize the value of each individual, we value diversity and we support your development career – your success is our success! We take pride in helping our people to develop their career, continuously improving their skills and their technical knowledge and to fully reach their own development goals.
People are different, they are coming from various cultures and are motivated by different things:
We recognize people’s diversity and we try to meet everyone’s goals.
Arnia encourages you to pursuit your own interests, projects and ideas – passion can turn small things into big things – we want to be part of your own individual success. Let us know your ideas and your personal interests and we will find a way to support you.
Not the least, we have class A offices, located in Piata Victoriei – Europa House building, next to the metro stations and to other transportation means. It is very easy to get to work and you will enjoy the quality and the lifestyle of our offices.
And if you like all these, why don’t you join us?
Whatever role you choose to pursue in our organization, as long as it aligns with our company goals and values, we will support you all the way. We provide for each employee:
Also, you will have the chance to mentor other people, to contribute to their growth and to help them with their career development. As a family, we support each other to achieve our best potential and to contribute better to the organization success.
In Arnia we need more than just excellent software engineers – we need highly skilled technical leaders, business analysts, and managers. And they are usually found within our own organization – they are people who showed great skills as individual contributors and choose to follow a leading role. Growing as a leader requires the development of specific skills, such as: people management, social awareness, self-awareness and leadership vision. If you are up to the challenge, we will support you and we will provide the best opportunities to show your talent and dedication.
And if you choose to be a full-time individual contributor, you will get the chance to develop your engineering skills, enrich your technical knowledge and promote to senior levels – it’s up to you and us to find together the best path for your career.
I joined the Arnia team in 2011 on the XpressEngine project (PHP based CMS, most popular in South-East Asia) and now I’m leading the team that develops our own CMS, Karybu. Also, our PHP team is involved in a lot more projects on different technologies ranging from Magento to WordPress and from Zend Framework to Symfony2.Dan D., PHP Tech Lead @ Arnia
