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Salary
≈ $18k – $43k per year (Estimated)
Location
In office (Bengaluru, Helsinki)
Seniority
Senior · 4+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Feb 6, 2026.

Overview
Company
Impact
Profile match
ReOrbit is a Finnish space company founded in 2019 and headquartered in Helsinki. It builds software-defined satellites with autonomous networking between spacecraft. The company delivers platforms for commercial and institutional missions.

ReOrbit is looking for a Senior Digital Twin Software Engineer to join the ReOrbit team and support the software campaigns for our current satellite product lines UKKO, SILTA and future missions.

It's an exciting chance to join a dynamic start-up, with the opportunity to make a real impact, to reach our goal of pushing the boundaries of space data transfer. 

Responsibilities

  • Co-design and implement networked digital twin software systems.

  • Build telemetry, messaging, networking layers.

  • Develop simulation and system-control components.

  • Implement distributed and real-time system components.

  • Co-own technical architecture and platform direction.

  • Rapidly prototype, iterate, and ship features.

  • Write clean, testable, production-oriented code.

Skills and Requirements

  • Bachelors or Masters degree in Physics, Computer Science, Sofware Engineering or similar.

  • Strong (4+ yrs) experience in simulation sofware development including system architecture, code review, CI/CD pipelines, software testing and V&V.

  • Strong capability in object-oriented C++ for developing simulators.

  • Knowledge of integrating hardware and software in the loop.

  • Experience developing high fidelity, high frequency, real-time software solutions.

  • Self-motivated and driven, with a proven ability to develop and analyse independent projects.

What does ReOrbit do?

ReOrbit builds the foundation for the next generation of space applications by transforming satellites into truly intelligent, interconnected platforms, defined by software. Our satellite design philosophy revolves around the idea that satellites must network, communicate with each other and thus improve mission efficiency. How can this be achieved? Thanks to a flexible software-first architecture, where all these aspects are dealt with upfront in the mission concept, as integrated functionalities.

ReOrbit’s top-notch team of software engineers and system architects develop in-house software, procure hardware from the best-in-class suppliers, and seamlessly integrate the components to create flexible and secure satellites. Today, we are a rapidly growing company building a very strong multidisciplinary team to support our activities. We are headquartered in Helsinki, Finland with a subsidiary in Bariloche, Argentina.

Working at ReOrbit

At ReOrbit, we are focused on building a strong team as we believe nothing can be accomplished without innovative, humble and curious minds working together on a common goal. We’re all about fostering an inclusive, dynamic environment where equality and diversity are our strength. 

We offer

  • Challenging but rewarding environment - you will thrive if you are always reflecting on how to make things better. Your ideas will be heard.

  • Ambitious and supportive network of people, who are motivated to change the space industry, bringing expertise from both classic and new space.

  • Benefits such as lunch vouchers, events, parties, occupational health care and additional health insurance - but most importantly a possibility to be a part of a unique and diverse team, connected by similar mindset and sense of humor. 

  • We like to spend time together! You can choose activities whichever is to your liking - runOrbit, climbOrbit; become ping pong or board games champion.

  • We support relocation and integration into Finnish society, find some experiences about relocation here.

Please, submit your application as soon as possible - we are excited to hear from you and can’t wait to discover your unique skills and experiences.

The Company may require a security clearance for certain positions. Any such security clearance will be conducted in accordance with applicable law and the Company's relevant policies

For agencies: We do not accept unsolicited CVs for our open vacancies. Any CV sent to our team unsolicited will reserve us the right to pursue a candidate without obligation to the sender. All candidate submissions must be conducted through our official channels and in accordance with our terms of engagement.

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