Working at Celonis in 2026: The Process Mining Giant Most Engineers Have Never Heard Of

Celonis is the kind of company that confuses most engineers when they first encounter it. Process mining? What even is that? But behind the unglamorous name sits a genuinely important business: Celonis takes the raw event logs from enterprise systems — SAP, Salesforce, ServiceNow, Oracle — and builds a real-time digital twin of how a company’s operations actually work. Not how someone drew it on a whiteboard. How it actually runs, with all the bottlenecks, workarounds, and inefficiencies laid bare.

Founded in 2011 by three Technical University of Munich students — Bastian Nominacher, Alexander Rinke, and Martin Klenk — Celonis essentially created the process mining category. They were named a Leader in the 2026 Gartner Magic Quadrant for Process Intelligence, positioned highest on both axes. The company is valued at $13 billion, employs roughly 3,800 people, and has 182 open roles on our platform. It is, by any measure, a quietly massive operation.

But the employee experience at Celonis is more complicated than the Gartner accolades suggest. A 3.8 Glassdoor rating, repeated restructurings, and compensation that trails market rates paint a picture of a company caught between its Munich startup roots and the demands of being an enterprise giant. Here’s what you need to know.

Celonis at a Glance

The Company Most Engineers Overlook

If you work in AI or developer tools, Celonis probably isn’t on your radar. It doesn’t build chatbots or foundation models. It doesn’t have a flashy consumer product. But it sits at a critical intersection that almost every Fortune 500 company cares about deeply: operational efficiency. Celonis’s platform ingests billions of event records from enterprise systems and uses process mining algorithms to reconstruct exactly how procurement, order-to-cash, accounts payable, and hundreds of other business processes actually execute.

Think of it this way: every time someone creates a purchase order in SAP, approves an invoice, escalates a support ticket, or closes a deal in Salesforce, that action generates an event log. Celonis aggregates millions of these events and reconstructs the actual process flow — revealing that the “3-day approval process” actually takes 11 days because of a manual handoff nobody documented. The platform then uses ML to recommend and automate fixes.

This is not glamorous work. But it’s deeply technical, and the scale is enormous. Celonis processes petabytes of operational data for companies like Siemens, ABB, Uber, and L’Oréal. The engineering challenges — real-time streaming analytics over billions of events, graph-based process discovery algorithms, ML-powered conformance checking — are genuinely interesting if you care about distributed systems and data infrastructure.

Glassdoor Ratings Breakdown

Celonis’s 3.8 overall rating positions it in the lower-middle tier of the 118 companies in our directory. For context, that’s the same as Samsara and below companies like HubSpot (4.2) and Databricks (4.0). But the sub-scores tell a more nuanced story.

The most notable thing here is the gap between Culture & Values (3.9) and Career Opportunities (3.5). Employees genuinely like their colleagues and the mission — the human fabric of the company is strong. But advancement paths are murky, particularly after repeated restructurings that shuffled reporting lines and eliminated entire teams. The 3.5 Career Opportunities score is a warning sign for anyone planning to grow into leadership at Celonis: the runway exists, but it’s not well-marked.

What Employees Actually Say

We analyzed recurring themes across hundreds of employee reviews. The picture that emerges is a company with genuine strengths being undermined by organizational instability.

What employees love

The team culture theme is remarkably consistent. Across hundreds of reviews, the quality of colleagues is the single most cited positive. Celonis attracts smart, driven people who genuinely enjoy working together. The learning culture is also real — multiple employees specifically praise internal mobility programs that let them switch roles without leaving the company. For early-career engineers, this is a meaningful differentiator: you can explore product, data science, and platform engineering without starting over somewhere else.

What could be better

The restructuring theme is the dominant concern. Celonis has gone through multiple rounds of organizational changes in 2024–2025, with reports of the CVG (Customer Value Group) being restructured twice within three months. In early 2026, QA roles were eliminated globally regardless of tenure. These changes aren’t the massive single-day layoffs you see at other tech companies — they’re gradual, rolling restructurings that create persistent uncertainty. Several reviews note that the communication around these changes has been poor, eroding the trust that the strong team culture has built.

The compensation issue is equally persistent. For a company valued at $13 billion, Celonis pays below what engineers can get at comparably-sized companies. This matters more in the US offices than in Munich, where the cost of living is lower and German benefits (30 vacation days, strong healthcare, labor protections) offset the base pay gap. But for US-based engineers comparing offers against Databricks or Snowflake, Celonis consistently comes up short.

Compensation & Benefits

This is the area where Celonis gets the most criticism. Based on employee-reported compensation data, here’s what engineers can expect:

Total compensation for software engineers at Celonis typically ranges from $115k–$155k for mid-level roles and $155k–$250k+ for senior engineers, including base, bonus, and equity. These numbers include Celonis’s performance bonus (typically 10–15% of base) and stock options. The equity component is worth noting: as a private company valued at $13B, the options carry both upside potential and liquidity risk. There’s no public market to sell into until an IPO or secondary event.

For context, a senior software engineer at Databricks ($300k–$500k total comp) or Stripe ($280k–$400k) earns significantly more. Even among European-headquartered companies, Celonis’s US compensation isn’t competitive with peers of its scale. The saving grace is Munich-based roles, where €80k–€120k base is strong for the German market, especially combined with Munich’s quality of life, 30 vacation days, and employer-provided pension contributions.

Benefits include flexible PTO, a learning and development budget, hybrid work arrangements, and standard tech perks. Named a BuiltIn Best Places to Work in 2025, Celonis invests in employee experience — the offices are well-designed, and the Munich headquarters in Maxvorstadt is consistently praised. But the core compensation issue remains a retention risk, particularly for senior engineers with competing offers.

Engineering Culture & Tech Stack

Celonis’s engineering team of 500+ is primarily headquartered in Munich, with the city serving as the R&D center of gravity. The engineering challenges are rooted in processing massive volumes of event data in real time and running computationally expensive graph algorithms to reconstruct process flows.

Core Technologies

The platform backend is primarily Java and Kotlin, with Python for ML workloads and data science. The data processing pipeline leverages Apache Spark for large-scale event log analysis, and the infrastructure runs on Kubernetes. The frontend is React/TypeScript, building the visualization layer that renders complex process maps into something a VP of Operations can actually understand and act on.

What makes the engineering interesting

• Process graph algorithms. The core of Celonis is reconstructing process flows from raw event data. This involves variant analysis (how many different ways does a process actually execute?), conformance checking (how far does reality deviate from the designed process?), and bottleneck detection. These are graph theory problems at massive scale.
• Real-time streaming at petabyte scale. Enterprise customers generate billions of events. The platform must ingest, process, and surface insights in near real-time. This is serious distributed systems work.
• ML-powered automation. Beyond visualization, Celonis increasingly uses machine learning to predict process outcomes and trigger automated interventions — think auto-routing invoices to skip unnecessary approval steps or flagging procurement anomalies before they become problems.
• Direct product impact. With 500+ engineers and a focused product surface, individual engineers have real influence on what ships. You’re not a cog in a 10,000-person machine — your design decisions affect the core product that Fortune 500 companies rely on daily.

The Munich-centric engineering culture carries some of the precision and rigor associated with German engineering traditions. Code review standards are high, architecture decisions are well-documented, and there’s a genuine respect for craft. Several reviews from engineers note that the technical bar in Munich is strong, even if the organizational chaos around them is frustrating.

The Restructuring Problem

No honest assessment of Celonis can skip this topic. The company has undergone repeated organizational restructurings in 2024–2026, and the impact on employee experience has been significant. Unlike the sudden, dramatic layoffs at companies like Stripe (14% in one day) or OpenAI, Celonis’s workforce changes have been gradual and rolling — which in some ways makes them harder to process. There’s no single event to point to, no CEO letter of accountability. Just a slow drip of team changes, role eliminations, and reporting-line shuffles that keeps people on edge.

The CVG restructuring in late 2024 hit particularly hard, with reports of teams being reorganized twice in three months. In 2026, global QA roles were eliminated. Employee reviews consistently cite poor communication from leadership about these changes as the root of frustration. It’s not that the restructurings themselves are unreasonable — growing companies reorganize — but the lack of transparency about the rationale and timeline erodes the trust that Celonis’s strong team culture has built.

If you’re evaluating a Celonis offer, ask your future manager directly: how has this team been affected by recent restructurings? What’s the plan for the next 12 months? The answer will tell you a lot about whether you’re joining a stable team or one that might be shuffled again.

Who Thrives at Celonis

Celonis is a specific fit. Based on the culture signals, employee reviews, and the nature of the work, here’s who tends to do well:

• Engineers who care about enterprise impact. If you want to see your code running inside Siemens or Uber’s operations team — not just serving API requests — Celonis offers a rare kind of product impact. Your work directly changes how billion-dollar companies operate.
• People who value colleagues over cachet. Celonis won’t impress your friends at a dinner party the way “I work at OpenAI” would. But the quality of the people, the team culture, and the collaborative environment are consistently rated among the best. If you optimize for who you work with rather than brand recognition, this matters.
• Career explorers in their first 5 years. The learning culture and internal mobility make Celonis an excellent place to figure out what you want to specialize in. Engineers move into product, data science, and customer-facing roles regularly. The lower compensation is easier to accept when you’re investing in breadth.
• Europeans who want to stay in Europe. Celonis is one of the few $10B+ tech companies headquartered in Europe. For engineers who want competitive (by European standards) compensation without relocating to the US, Celonis is one of the strongest options alongside Helsing, Mistral, and Synthesia.

Celonis is not ideal for engineers who prioritize top-of-market compensation (look at Anthropic or Databricks instead), who need organizational stability above all else, or who want to work on consumer-facing products with immediate user feedback loops. The enterprise sales cycle means that the connection between your code and user impact is real but indirect — measured in operational efficiency gains, not daily active users.

Open Positions at Celonis

Celonis currently has 182 open positions listed on our platform, spanning engineering, data science, product management, and go-to-market roles across Munich, New York, Madrid, and other global offices. The engineering roles are primarily based in Munich, reflecting the company’s commitment to its German R&D headquarters.

For full details on Celonis’s open roles, culture values, and side-by-side comparisons with other companies, visit the Celonis culture profile page.